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sparc: join the remaining header files 

With this commit all sparc64 header files are moved to asm-sparc.
The remaining files (71 files) were too different to be trivially
merged so divide them up in a _32.h and a _64.h file which
are both included from the file with no bit size.

The following script were used:
cd include
FILES=`wc -l asm-sparc64/*h | grep -v '^     1' | cut -b 20-`

for FILE in ${FILES}; do
  echo $FILE:
  BASE=`echo $FILE | cut -d '.' -f 1`
  FN32=${BASE}_32.h
  FN64=${BASE}_64.h
  GUARD=___ASM_SPARC_`echo $BASE | tr '-' '_' | tr [:lower:] [:upper:]`_H
  git mv asm-sparc/$FILE asm-sparc/$FN32
  git mv asm-sparc64/$FILE asm-sparc/$FN64
  echo git mv done
  printf "#ifndef %s\n" $GUARD                             >   asm-sparc/$FILE
  printf "#define %s\n" $GUARD                             >>  asm-sparc/$FILE
  printf "#if defined(__sparc__) && defined(__arch64__)\n" >>  asm-sparc/$FILE
  printf "#include <asm-sparc/%s>\n" $FN64                 >>  asm-sparc/$FILE
  printf "#else\n"                                         >>  asm-sparc/$FILE
  printf "#include <asm-sparc/%s>\n" $FN32                 >>  asm-sparc/$FILE
  printf "#endif\n"                                        >>  asm-sparc/$FILE
  printf "#endif\n"                                        >>  asm-sparc/$FILE
  git add asm-sparc/$FILE
  echo new file done
  printf "#include <asm-sparc/%s>\n" $FILE                 >  asm-sparc64/$FILE
  git add asm-sparc64/$FILE
  echo sparc64 file done
done

The guard contains three '_' to avoid conflict with existing guards.
In additing the two Kbuild files are emptied to avoid breaking
headers_* targets.
We will reintroduce the exported header files when the necessary
kbuild changes are merged.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Sam Ravnborg 2008-07-17 21:55:51 -07:00 committed by David S. Miller
parent 5e3609f60c
commit f5e706ad88
254 changed files with 17513 additions and 16987 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
include/asm-sparc/Kbuild
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@ -1,22 +1 @@
include include/asm-generic/Kbuild.asm
header-y += apc.h
header-y += asi.h
header-y += bpp.h
header-y += display7seg.h
header-y += envctrl.h
header-y += jsflash.h
header-y += openprom.h
header-y += openpromio.h
header-y += psrcompat.h
header-y += pstate.h
header-y += reg.h
header-y += traps.h
header-y += uctx.h
header-y += utrap.h
header-y += vfc_ioctls.h
header-y += watchdog.h
unifdef-y += fbio.h
unifdef-y += perfctr.h
unifdef-y += psr.h
# dummy file to avoid breaking make headers_install

169
include/asm-sparc/atomic.h
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@ -1,165 +1,8 @@
/* atomic.h: These still suck, but the I-cache hit rate is higher.
*
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
* Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
*
* Additions by Keith M Wesolowski (wesolows@foobazco.org) based
* on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
*/
#ifndef __ARCH_SPARC_ATOMIC__
#define __ARCH_SPARC_ATOMIC__
#include <linux/types.h>
typedef struct { volatile int counter; } atomic_t;
#ifdef __KERNEL__
#define ATOMIC_INIT(i) { (i) }
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
#define atomic_read(v) ((v)->counter)
#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))
#define atomic_inc(v) ((void)__atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)__atomic_add_return( -1, (v)))
#define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v)))
#define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v)))
#define atomic_inc_return(v) (__atomic_add_return( 1, (v)))
#define atomic_dec_return(v) (__atomic_add_return( -1, (v)))
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/* This is the old 24-bit implementation. It's still used internally
* by some sparc-specific code, notably the semaphore implementation.
*/
typedef struct { volatile int counter; } atomic24_t;
#ifndef CONFIG_SMP
#define ATOMIC24_INIT(i) { (i) }
#define atomic24_read(v) ((v)->counter)
#define atomic24_set(v, i) (((v)->counter) = i)
#ifndef ___ASM_SPARC_ATOMIC_H
#define ___ASM_SPARC_ATOMIC_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/atomic_64.h>
#else
/* We do the bulk of the actual work out of line in two common
* routines in assembler, see arch/sparc/lib/atomic.S for the
* "fun" details.
*
* For SMP the trick is you embed the spin lock byte within
* the word, use the low byte so signedness is easily retained
* via a quick arithmetic shift. It looks like this:
*
* ----------------------------------------
* | signed 24-bit counter value | lock | atomic_t
* ----------------------------------------
* 31 8 7 0
*/
#define ATOMIC24_INIT(i) { ((i) << 8) }
static inline int atomic24_read(const atomic24_t *v)
{
int ret = v->counter;
while(ret & 0xff)
ret = v->counter;
return ret >> 8;
}
#define atomic24_set(v, i) (((v)->counter) = ((i) << 8))
#include <asm-sparc/atomic_32.h>
#endif
#endif
static inline int __atomic24_add(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_add\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
static inline int __atomic24_sub(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_sub\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
#define atomic24_add(i, v) ((void)__atomic24_add((i), (v)))
#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v)))
#define atomic24_dec_return(v) __atomic24_sub(1, (v))
#define atomic24_inc_return(v) __atomic24_add(1, (v))
#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0)
#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0)
#define atomic24_inc(v) ((void)__atomic24_add(1, (v)))
#define atomic24_dec(v) ((void)__atomic24_sub(1, (v)))
#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0)
/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif /* !(__KERNEL__) */
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */

165
include/asm-sparc/atomic_32.h 100644
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@ -0,0 +1,165 @@
/* atomic.h: These still suck, but the I-cache hit rate is higher.
*
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
* Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
*
* Additions by Keith M Wesolowski (wesolows@foobazco.org) based
* on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
*/
#ifndef __ARCH_SPARC_ATOMIC__
#define __ARCH_SPARC_ATOMIC__
#include <linux/types.h>
typedef struct { volatile int counter; } atomic_t;
#ifdef __KERNEL__
#define ATOMIC_INIT(i) { (i) }
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
#define atomic_read(v) ((v)->counter)
#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))
#define atomic_inc(v) ((void)__atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)__atomic_add_return( -1, (v)))
#define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v)))
#define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v)))
#define atomic_inc_return(v) (__atomic_add_return( 1, (v)))
#define atomic_dec_return(v) (__atomic_add_return( -1, (v)))
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/* This is the old 24-bit implementation. It's still used internally
* by some sparc-specific code, notably the semaphore implementation.
*/
typedef struct { volatile int counter; } atomic24_t;
#ifndef CONFIG_SMP
#define ATOMIC24_INIT(i) { (i) }
#define atomic24_read(v) ((v)->counter)
#define atomic24_set(v, i) (((v)->counter) = i)
#else
/* We do the bulk of the actual work out of line in two common
* routines in assembler, see arch/sparc/lib/atomic.S for the
* "fun" details.
*
* For SMP the trick is you embed the spin lock byte within
* the word, use the low byte so signedness is easily retained
* via a quick arithmetic shift. It looks like this:
*
* ----------------------------------------
* | signed 24-bit counter value | lock | atomic_t
* ----------------------------------------
* 31 8 7 0
*/
#define ATOMIC24_INIT(i) { ((i) << 8) }
static inline int atomic24_read(const atomic24_t *v)
{
int ret = v->counter;
while(ret & 0xff)
ret = v->counter;
return ret >> 8;
}
#define atomic24_set(v, i) (((v)->counter) = ((i) << 8))
#endif
static inline int __atomic24_add(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_add\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
static inline int __atomic24_sub(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_sub\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
#define atomic24_add(i, v) ((void)__atomic24_add((i), (v)))
#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v)))
#define atomic24_dec_return(v) __atomic24_sub(1, (v))
#define atomic24_inc_return(v) __atomic24_add(1, (v))
#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0)
#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0)
#define atomic24_inc(v) ((void)__atomic24_add(1, (v)))
#define atomic24_dec(v) ((void)__atomic24_sub(1, (v)))
#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0)
/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif /* !(__KERNEL__) */
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */

128
include/asm-sparc/atomic_64.h 100644
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@ -0,0 +1,128 @@
/* atomic.h: Thankfully the V9 is at least reasonable for this
* stuff.
*
* Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
*/
#ifndef __ARCH_SPARC64_ATOMIC__
#define __ARCH_SPARC64_ATOMIC__
#include <linux/types.h>
#include <asm/system.h>
typedef struct { volatile int counter; } atomic_t;
typedef struct { volatile __s64 counter; } atomic64_t;
#define ATOMIC_INIT(i) { (i) }
#define ATOMIC64_INIT(i) { (i) }
#define atomic_read(v) ((v)->counter)
#define atomic64_read(v) ((v)->counter)
#define atomic_set(v, i) (((v)->counter) = i)
#define atomic64_set(v, i) (((v)->counter) = i)
extern void atomic_add(int, atomic_t *);
extern void atomic64_add(int, atomic64_t *);
extern void atomic_sub(int, atomic_t *);
extern void atomic64_sub(int, atomic64_t *);
extern int atomic_add_ret(int, atomic_t *);
extern int atomic64_add_ret(int, atomic64_t *);
extern int atomic_sub_ret(int, atomic_t *);
extern int atomic64_sub_ret(int, atomic64_t *);
#define atomic_dec_return(v) atomic_sub_ret(1, v)
#define atomic64_dec_return(v) atomic64_sub_ret(1, v)
#define atomic_inc_return(v) atomic_add_ret(1, v)
#define atomic64_inc_return(v) atomic64_add_ret(1, v)
#define atomic_sub_return(i, v) atomic_sub_ret(i, v)
#define atomic64_sub_return(i, v) atomic64_sub_ret(i, v)
#define atomic_add_return(i, v) atomic_add_ret(i, v)
#define atomic64_add_return(i, v) atomic64_add_ret(i, v)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0)
#define atomic64_sub_and_test(i, v) (atomic64_sub_ret(i, v) == 0)
#define atomic_dec_and_test(v) (atomic_sub_ret(1, v) == 0)
#define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0)
#define atomic_inc(v) atomic_add(1, v)
#define atomic64_inc(v) atomic64_add(1, v)
#define atomic_dec(v) atomic_sub(1, v)
#define atomic64_dec(v) atomic64_sub(1, v)
#define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0)
#define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c != (u);
}
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
#define atomic64_cmpxchg(v, o, n) \
((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
{
long c, old;
c = atomic64_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic64_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c != (u);
}
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
/* Atomic operations are already serializing */
#ifdef CONFIG_SMP
#define smp_mb__before_atomic_dec() membar_storeload_loadload();
#define smp_mb__after_atomic_dec() membar_storeload_storestore();
#define smp_mb__before_atomic_inc() membar_storeload_loadload();
#define smp_mb__after_atomic_inc() membar_storeload_storestore();
#else
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC64_ATOMIC__) */

97
include/asm-sparc/auxio.h
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@ -1,89 +1,8 @@
/*
* auxio.h: Definitions and code for the Auxiliary I/O register.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_AUXIO_H
#define _SPARC_AUXIO_H
#include <asm/system.h>
#include <asm/vaddrs.h>
/* This register is an unsigned char in IO space. It does two things.
* First, it is used to control the front panel LED light on machines
* that have it (good for testing entry points to trap handlers and irq's)
* Secondly, it controls various floppy drive parameters.
*/
#define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */
#define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */
#define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */
#define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */
#define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */
#define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */
#define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */
/* Set the following to one, then zero, after doing a pseudo DMA transfer. */
#define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */
/* Set the following to zero to eject the floppy. */
#define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */
#define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */
#ifndef __ASSEMBLY__
/*
* NOTE: these routines are implementation dependent--
* understand the hardware you are querying!
*/
extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */
/*
* The following routines are provided for driver-compatibility
* with sparc64 (primarily sunlance.c)
*/
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
#define auxio_set_lte(on) \
do { \
if(on) { \
set_auxio(AUXIO_LINK_TEST, 0); \
} else { \
set_auxio(0, AUXIO_LINK_TEST); \
} \
} while (0)
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
#define auxio_set_led(on) \
do { \
if(on) { \
set_auxio(AUXIO_LED, 0); \
} else { \
set_auxio(0, AUXIO_LED); \
} \
} while (0)
#endif /* !(__ASSEMBLY__) */
/* AUXIO2 (Power Off Control) */
extern __volatile__ unsigned char * auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
#define AUXIO_POWER_OFF 1
#endif /* !(_SPARC_AUXIO_H) */
#ifndef ___ASM_SPARC_AUXIO_H
#define ___ASM_SPARC_AUXIO_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/auxio_64.h>
#else
#include <asm-sparc/auxio_32.h>
#endif
#endif

89
include/asm-sparc/auxio_32.h 100644
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/*
* auxio.h: Definitions and code for the Auxiliary I/O register.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_AUXIO_H
#define _SPARC_AUXIO_H
#include <asm/system.h>
#include <asm/vaddrs.h>
/* This register is an unsigned char in IO space. It does two things.
* First, it is used to control the front panel LED light on machines
* that have it (good for testing entry points to trap handlers and irq's)
* Secondly, it controls various floppy drive parameters.
*/
#define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */
#define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */
#define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */
#define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */
#define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */
#define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */
#define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */
/* Set the following to one, then zero, after doing a pseudo DMA transfer. */
#define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */
/* Set the following to zero to eject the floppy. */
#define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */
#define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */
#ifndef __ASSEMBLY__
/*
* NOTE: these routines are implementation dependent--
* understand the hardware you are querying!
*/
extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */
/*
* The following routines are provided for driver-compatibility
* with sparc64 (primarily sunlance.c)
*/
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
#define auxio_set_lte(on) \
do { \
if(on) { \
set_auxio(AUXIO_LINK_TEST, 0); \
} else { \
set_auxio(0, AUXIO_LINK_TEST); \
} \
} while (0)
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
#define auxio_set_led(on) \
do { \
if(on) { \
set_auxio(AUXIO_LED, 0); \
} else { \
set_auxio(0, AUXIO_LED); \
} \
} while (0)
#endif /* !(__ASSEMBLY__) */
/* AUXIO2 (Power Off Control) */
extern __volatile__ unsigned char * auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
#define AUXIO_POWER_OFF 1
#endif /* !(_SPARC_AUXIO_H) */

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/*
* auxio.h: Definitions and code for the Auxiliary I/O registers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*
* Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
*/
#ifndef _SPARC64_AUXIO_H
#define _SPARC64_AUXIO_H
/* AUXIO implementations:
* sbus-based NCR89C105 "Slavio"
* LED/Floppy (AUX1) register
* Power (AUX2) register
*
* ebus-based auxio on PCIO
* LED Auxio Register
* Power Auxio Register
*
* Register definitions from NCR _NCR89C105 Chip Specification_
*
* SLAVIO AUX1 @ 0x1900000
* -------------------------------------------------
* | (R) | (R) | D | (R) | E | M | T | L |
* -------------------------------------------------
* (R) - bit 7:6,4 are reserved and should be masked in s/w
* D - Floppy Density Sense (1=high density) R/O
* E - Link Test Enable, directly reflected on AT&T 7213 LTE pin
* M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin
* T - Terminal Count: sends TC pulse to 82077 floppy controller
* L - System LED on front panel (0=off, 1=on)
*/
#define AUXIO_AUX1_MASK 0xc0 /* Mask bits */
#define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */
#define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */
#define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */
#define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */
#define AUXIO_AUX1_LED 0x01 /* System LED */
/* SLAVIO AUX2 @ 0x1910000
* -------------------------------------------------
* | (R) | (R) | D | (R) | (R) | (R) | C | F |
* -------------------------------------------------
* (R) - bits 7:6,4:2 are reserved and should be masked in s/w
* D - Power Failure Detect (1=power fail)
* C - Clear Power Failure Detect Int (1=clear)
* F - Power Off (1=power off)
*/
#define AUXIO_AUX2_MASK 0xdc /* Mask Bits */
#define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */
#define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */
#define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */
/* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
*
* PCIO LED Auxio @ 0x726000
* -------------------------------------------------
* | 31:1 Unused | LED |
* -------------------------------------------------
* Bits 31:1 unused
* LED - System LED on front panel (0=off, 1=on)
*/
#define AUXIO_PCIO_LED 0x01 /* System LED */
/* PCIO Power Auxio @ 0x724000
* -------------------------------------------------
* | 31:2 Unused | CPO | SPO |
* -------------------------------------------------
* Bits 31:2 unused
* CPO - Courtesy Power Off (1=off)
* SPO - System Power Off (1=off)
*/
#define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */
#define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */
#ifndef __ASSEMBLY__
extern void __iomem *auxio_register;
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
extern void auxio_set_lte(int on);
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
extern void auxio_set_led(int on);
#endif /* ifndef __ASSEMBLY__ */
#endif /* !(_SPARC64_AUXIO_H) */

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/*
* bitops.h: Bit string operations on the Sparc.
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright 2001 Anton Blanchard (anton@samba.org)
*/
#ifndef _SPARC_BITOPS_H
#define _SPARC_BITOPS_H
#include <linux/compiler.h>
#include <asm/byteorder.h>
#ifdef __KERNEL__
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#ifndef ___ASM_SPARC_BITOPS_H
#define ___ASM_SPARC_BITOPS_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/bitops_64.h>
#else
#include <asm-sparc/bitops_32.h>
#endif
#endif
extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
/*
* Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
* is in the highest of the four bytes and bit '31' is the high bit
* within the first byte. Sparc is BIG-Endian. Unless noted otherwise
* all bit-ops return 0 if bit was previously clear and != 0 otherwise.
*/
static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___set_bit(ADDR, mask) != 0;
}
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___set_bit(ADDR, mask);
}
static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___clear_bit(ADDR, mask) != 0;
}
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___clear_bit(ADDR, mask);
}
static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___change_bit(ADDR, mask) != 0;
}
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___change_bit(ADDR, mask);
}
#include <asm-generic/bitops/non-atomic.h>
#define smp_mb__before_clear_bit() do { } while(0)
#define smp_mb__after_clear_bit() do { } while(0)
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC_BITOPS_H) */

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/*
* bitops.h: Bit string operations on the Sparc.
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright 2001 Anton Blanchard (anton@samba.org)
*/
#ifndef _SPARC_BITOPS_H
#define _SPARC_BITOPS_H
#include <linux/compiler.h>
#include <asm/byteorder.h>
#ifdef __KERNEL__
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
/*
* Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
* is in the highest of the four bytes and bit '31' is the high bit
* within the first byte. Sparc is BIG-Endian. Unless noted otherwise
* all bit-ops return 0 if bit was previously clear and != 0 otherwise.
*/
static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___set_bit(ADDR, mask) != 0;
}
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___set_bit(ADDR, mask);
}
static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___clear_bit(ADDR, mask) != 0;
}
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___clear_bit(ADDR, mask);
}
static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___change_bit(ADDR, mask) != 0;
}
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___change_bit(ADDR, mask);
}
#include <asm-generic/bitops/non-atomic.h>
#define smp_mb__before_clear_bit() do { } while(0)
#define smp_mb__after_clear_bit() do { } while(0)
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC_BITOPS_H) */

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/*
* bitops.h: Bit string operations on the V9.
*
* Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC64_BITOPS_H
#define _SPARC64_BITOPS_H
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
#include <linux/compiler.h>
#include <asm/byteorder.h>
extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
extern void set_bit(unsigned long nr, volatile unsigned long *addr);
extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
extern void change_bit(unsigned long nr, volatile unsigned long *addr);
#include <asm-generic/bitops/non-atomic.h>
#ifdef CONFIG_SMP
#define smp_mb__before_clear_bit() membar_storeload_loadload()
#define smp_mb__after_clear_bit() membar_storeload_storestore()
#else
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
#endif
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
#ifdef __KERNEL__
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
/*
* hweightN: returns the hamming weight (i.e. the number
* of bits set) of a N-bit word
*/
#ifdef ULTRA_HAS_POPULATION_COUNT
static inline unsigned int hweight64(unsigned long w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w));
return res;
}
static inline unsigned int hweight32(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff));
return res;
}
static inline unsigned int hweight16(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff));
return res;
}
static inline unsigned int hweight8(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xff));
return res;
}
#else
#include <asm-generic/bitops/hweight.h>
#endif
#include <asm-generic/bitops/lock.h>
#endif /* __KERNEL__ */
#include <asm-generic/bitops/find.h>
#ifdef __KERNEL__
#include <asm-generic/bitops/ext2-non-atomic.h>
#define ext2_set_bit_atomic(lock,nr,addr) \
test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr))
#define ext2_clear_bit_atomic(lock,nr,addr) \
test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC64_BITOPS_H) */

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#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/mm.h> /* Common for other includes */
// #include <linux/kernel.h> from pgalloc.h
// #include <linux/sched.h> from pgalloc.h
// #include <asm/page.h>
#include <asm/btfixup.h>
/*
* Fine grained cache flushing.
*/
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
extern void smp_flush_cache_all(void);
extern void smp_flush_cache_mm(struct mm_struct *mm);
extern void smp_flush_cache_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
extern void smp_flush_page_to_ram(unsigned long page);
extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
#endif /* CONFIG_SMP */
BTFIXUPDEF_CALL(void, flush_cache_all, void)
BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma, pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
extern void sparc_flush_page_to_ram(struct page *page);
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#endif /* _SPARC_CACHEFLUSH_H */
#ifndef ___ASM_SPARC_CACHEFLUSH_H
#define ___ASM_SPARC_CACHEFLUSH_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/cacheflush_64.h>
#else
#include <asm-sparc/cacheflush_32.h>
#endif
#endif

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#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/mm.h> /* Common for other includes */
// #include <linux/kernel.h> from pgalloc.h
// #include <linux/sched.h> from pgalloc.h
// #include <asm/page.h>
#include <asm/btfixup.h>
/*
* Fine grained cache flushing.
*/
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
extern void smp_flush_cache_all(void);
extern void smp_flush_cache_mm(struct mm_struct *mm);
extern void smp_flush_cache_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
extern void smp_flush_page_to_ram(unsigned long page);
extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
#endif /* CONFIG_SMP */
BTFIXUPDEF_CALL(void, flush_cache_all, void)
BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma, pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
extern void sparc_flush_page_to_ram(struct page *page);
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#endif /* _SPARC_CACHEFLUSH_H */

76
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#ifndef _SPARC64_CACHEFLUSH_H
#define _SPARC64_CACHEFLUSH_H
#include <asm/page.h>
#ifndef __ASSEMBLY__
#include <linux/mm.h>
/* Cache flush operations. */
/* These are the same regardless of whether this is an SMP kernel or not. */
#define flush_cache_mm(__mm) \
do { if ((__mm) == current->mm) flushw_user(); } while(0)
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_cache_range(vma, start, end) \
flush_cache_mm((vma)->vm_mm)
#define flush_cache_page(vma, page, pfn) \
flush_cache_mm((vma)->vm_mm)
/*
* On spitfire, the icache doesn't snoop local stores and we don't
* use block commit stores (which invalidate icache lines) during
* module load, so we need this.
*/
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void __flush_icache_page(unsigned long);
extern void __flush_dcache_page(void *addr, int flush_icache);
extern void flush_dcache_page_impl(struct page *page);
#ifdef CONFIG_SMP
extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
#else
#define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
#define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
#endif
extern void __flush_dcache_range(unsigned long start, unsigned long end);
extern void flush_dcache_page(struct page *page);
#define flush_icache_page(vma, pg) do { } while(0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
unsigned long uaddr, void *kaddr,
unsigned long len, int write);
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, src, len, 0); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, dst, len, 1); \
} while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#ifdef CONFIG_DEBUG_PAGEALLOC
/* internal debugging function */
void kernel_map_pages(struct page *page, int numpages, int enable);
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _SPARC64_CACHEFLUSH_H */

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@ -1,241 +1,8 @@
#ifndef __SPARC_CHECKSUM_H
#define __SPARC_CHECKSUM_H
/* checksum.h: IP/UDP/TCP checksum routines on the Sparc.
*
* Copyright(C) 1995 Linus Torvalds
* Copyright(C) 1995 Miguel de Icaza
* Copyright(C) 1996 David S. Miller
* Copyright(C) 1996 Eddie C. Dost
* Copyright(C) 1997 Jakub Jelinek
*
* derived from:
* Alpha checksum c-code
* ix86 inline assembly
* RFC1071 Computing the Internet Checksum
*/
#include <linux/in6.h>
#include <asm/uaccess.h>
/* computes the checksum of a memory block at buff, length len,
* and adds in "sum" (32-bit)
*
* returns a 32-bit number suitable for feeding into itself
* or csum_tcpudp_magic
*
* this function must be called with even lengths, except
* for the last fragment, which may be odd
*
* it's best to have buff aligned on a 32-bit boundary
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
/* the same as csum_partial, but copies from fs:src while it
* checksums
*
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *);
static inline __wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
{
register unsigned int ret asm("o0") = (unsigned int)src;
register char *d asm("o1") = dst;
register int l asm("g1") = len;
__asm__ __volatile__ (
"call __csum_partial_copy_sparc_generic\n\t"
" mov %6, %%g7\n"
: "=&r" (ret), "=&r" (d), "=&r" (l)
: "0" (ret), "1" (d), "2" (l), "r" (sum)
: "o2", "o3", "o4", "o5", "o7",
"g2", "g3", "g4", "g5", "g7",
"memory", "cc");
return (__force __wsum)ret;
}
static inline __wsum
csum_partial_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *err)
{
register unsigned long ret asm("o0") = (unsigned long)src;
register char *d asm("o1") = dst;
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,2\n\t"
".previous\n"
"1:\n\t"
"call __csum_partial_copy_sparc_generic\n\t"
" st %8, [%%sp + 64]\n"
: "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s)
: "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err)
: "o2", "o3", "o4", "o5", "o7", "g2", "g3", "g4", "g5",
"cc", "memory");
return (__force __wsum)ret;
}
static inline __wsum
csum_partial_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err)
{
if (!access_ok (VERIFY_WRITE, dst, len)) {
*err = -EFAULT;
return sum;
} else {
register unsigned long ret asm("o0") = (unsigned long)src;
register char __user *d asm("o1") = dst;
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,1\n\t"
".previous\n"
"1:\n\t"
"call __csum_partial_copy_sparc_generic\n\t"
" st %8, [%%sp + 64]\n"
: "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s)
: "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err)
: "o2", "o3", "o4", "o5", "o7",
"g2", "g3", "g4", "g5",
"cc", "memory");
return (__force __wsum)ret;
}
}
#define HAVE_CSUM_COPY_USER
#define csum_and_copy_to_user csum_partial_copy_to_user
/* ihl is always 5 or greater, almost always is 5, and iph is word aligned
* the majority of the time.
*/
static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
__sum16 sum;
/* Note: We must read %2 before we touch %0 for the first time,
* because GCC can legitimately use the same register for
* both operands.
*/
__asm__ __volatile__("sub\t%2, 4, %%g4\n\t"
"ld\t[%1 + 0x00], %0\n\t"
"ld\t[%1 + 0x04], %%g2\n\t"
"ld\t[%1 + 0x08], %%g3\n\t"
"addcc\t%%g2, %0, %0\n\t"
"addxcc\t%%g3, %0, %0\n\t"
"ld\t[%1 + 0x0c], %%g2\n\t"
"ld\t[%1 + 0x10], %%g3\n\t"
"addxcc\t%%g2, %0, %0\n\t"
"addx\t%0, %%g0, %0\n"
"1:\taddcc\t%%g3, %0, %0\n\t"
"add\t%1, 4, %1\n\t"
"addxcc\t%0, %%g0, %0\n\t"
"subcc\t%%g4, 1, %%g4\n\t"
"be,a\t2f\n\t"
"sll\t%0, 16, %%g2\n\t"
"b\t1b\n\t"
"ld\t[%1 + 0x10], %%g3\n"
"2:\taddcc\t%0, %%g2, %%g2\n\t"
"srl\t%%g2, 16, %0\n\t"
"addx\t%0, %%g0, %0\n\t"
"xnor\t%%g0, %0, %0"
: "=r" (sum), "=&r" (iph)
: "r" (ihl), "1" (iph)
: "g2", "g3", "g4", "cc", "memory");
return sum;
}
/* Fold a partial checksum without adding pseudo headers. */
static inline __sum16 csum_fold(__wsum sum)
{
unsigned int tmp;
__asm__ __volatile__("addcc\t%0, %1, %1\n\t"
"srl\t%1, 16, %1\n\t"
"addx\t%1, %%g0, %1\n\t"
"xnor\t%%g0, %1, %0"
: "=&r" (sum), "=r" (tmp)
: "0" (sum), "1" ((__force u32)sum<<16)
: "cc");
return (__force __sum16)sum;
}
static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
__wsum sum)
{
__asm__ __volatile__("addcc\t%1, %0, %0\n\t"
"addxcc\t%2, %0, %0\n\t"
"addxcc\t%3, %0, %0\n\t"
"addx\t%0, %%g0, %0\n\t"
: "=r" (sum), "=r" (saddr)
: "r" (daddr), "r" (proto + len), "0" (sum),
"1" (saddr)
: "cc");
return sum;
}
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
__wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
#define _HAVE_ARCH_IPV6_CSUM
static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
const struct in6_addr *daddr,
__u32 len, unsigned short proto,
__wsum sum)
{
__asm__ __volatile__ (
"addcc %3, %4, %%g4\n\t"
"addxcc %5, %%g4, %%g4\n\t"
"ld [%2 + 0x0c], %%g2\n\t"
"ld [%2 + 0x08], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%2 + 0x04], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%2 + 0x00], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%1 + 0x0c], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%1 + 0x08], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%1 + 0x04], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%1 + 0x00], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"addxcc %%g3, %%g4, %0\n\t"
"addx 0, %0, %0\n"
: "=&r" (sum)
: "r" (saddr), "r" (daddr),
"r"(htonl(len)), "r"(htonl(proto)), "r"(sum)
: "g2", "g3", "g4", "cc");
return csum_fold(sum);
}
/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold(csum_partial(buff, len, 0));
}
#endif /* !(__SPARC_CHECKSUM_H) */
#ifndef ___ASM_SPARC_CHECKSUM_H
#define ___ASM_SPARC_CHECKSUM_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/checksum_64.h>
#else
#include <asm-sparc/checksum_32.h>
#endif
#endif

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#ifndef __SPARC_CHECKSUM_H
#define __SPARC_CHECKSUM_H
/* checksum.h: IP/UDP/TCP checksum routines on the Sparc.
*
* Copyright(C) 1995 Linus Torvalds
* Copyright(C) 1995 Miguel de Icaza
* Copyright(C) 1996 David S. Miller
* Copyright(C) 1996 Eddie C. Dost
* Copyright(C) 1997 Jakub Jelinek
*
* derived from:
* Alpha checksum c-code
* ix86 inline assembly
* RFC1071 Computing the Internet Checksum
*/
#include <linux/in6.h>
#include <asm/uaccess.h>
/* computes the checksum of a memory block at buff, length len,
* and adds in "sum" (32-bit)
*
* returns a 32-bit number suitable for feeding into itself
* or csum_tcpudp_magic
*
* this function must be called with even lengths, except
* for the last fragment, which may be odd
*
* it's best to have buff aligned on a 32-bit boundary
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
/* the same as csum_partial, but copies from fs:src while it
* checksums
*
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *);
static inline __wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
{
register unsigned int ret asm("o0") = (unsigned int)src;
register char *d asm("o1") = dst;
register int l asm("g1") = len;
__asm__ __volatile__ (
"call __csum_partial_copy_sparc_generic\n\t"
" mov %6, %%g7\n"
: "=&r" (ret), "=&r" (d), "=&r" (l)
: "0" (ret), "1" (d), "2" (l), "r" (sum)
: "o2", "o3", "o4", "o5", "o7",
"g2", "g3", "g4", "g5", "g7",
"memory", "cc");
return (__force __wsum)ret;
}
static inline __wsum
csum_partial_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *err)
{
register unsigned long ret asm("o0") = (unsigned long)src;
register char *d asm("o1") = dst;
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,2\n\t"
".previous\n"
"1:\n\t"
"call __csum_partial_copy_sparc_generic\n\t"
" st %8, [%%sp + 64]\n"
: "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s)
: "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err)
: "o2", "o3", "o4", "o5", "o7", "g2", "g3", "g4", "g5",
"cc", "memory");
return (__force __wsum)ret;
}
static inline __wsum
csum_partial_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err)
{
if (!access_ok (VERIFY_WRITE, dst, len)) {
*err = -EFAULT;
return sum;
} else {
register unsigned long ret asm("o0") = (unsigned long)src;
register char __user *d asm("o1") = dst;
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,1\n\t"
".previous\n"
"1:\n\t"
"call __csum_partial_copy_sparc_generic\n\t"
" st %8, [%%sp + 64]\n"
: "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s)
: "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err)
: "o2", "o3", "o4", "o5", "o7",
"g2", "g3", "g4", "g5",
"cc", "memory");
return (__force __wsum)ret;
}
}
#define HAVE_CSUM_COPY_USER
#define csum_and_copy_to_user csum_partial_copy_to_user
/* ihl is always 5 or greater, almost always is 5, and iph is word aligned
* the majority of the time.
*/
static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
__sum16 sum;
/* Note: We must read %2 before we touch %0 for the first time,
* because GCC can legitimately use the same register for
* both operands.
*/
__asm__ __volatile__("sub\t%2, 4, %%g4\n\t"
"ld\t[%1 + 0x00], %0\n\t"
"ld\t[%1 + 0x04], %%g2\n\t"
"ld\t[%1 + 0x08], %%g3\n\t"
"addcc\t%%g2, %0, %0\n\t"
"addxcc\t%%g3, %0, %0\n\t"
"ld\t[%1 + 0x0c], %%g2\n\t"
"ld\t[%1 + 0x10], %%g3\n\t"
"addxcc\t%%g2, %0, %0\n\t"
"addx\t%0, %%g0, %0\n"
"1:\taddcc\t%%g3, %0, %0\n\t"
"add\t%1, 4, %1\n\t"
"addxcc\t%0, %%g0, %0\n\t"
"subcc\t%%g4, 1, %%g4\n\t"
"be,a\t2f\n\t"
"sll\t%0, 16, %%g2\n\t"
"b\t1b\n\t"
"ld\t[%1 + 0x10], %%g3\n"
"2:\taddcc\t%0, %%g2, %%g2\n\t"
"srl\t%%g2, 16, %0\n\t"
"addx\t%0, %%g0, %0\n\t"
"xnor\t%%g0, %0, %0"
: "=r" (sum), "=&r" (iph)
: "r" (ihl), "1" (iph)
: "g2", "g3", "g4", "cc", "memory");
return sum;
}
/* Fold a partial checksum without adding pseudo headers. */
static inline __sum16 csum_fold(__wsum sum)
{
unsigned int tmp;
__asm__ __volatile__("addcc\t%0, %1, %1\n\t"
"srl\t%1, 16, %1\n\t"
"addx\t%1, %%g0, %1\n\t"
"xnor\t%%g0, %1, %0"
: "=&r" (sum), "=r" (tmp)
: "0" (sum), "1" ((__force u32)sum<<16)
: "cc");
return (__force __sum16)sum;
}
static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
__wsum sum)
{
__asm__ __volatile__("addcc\t%1, %0, %0\n\t"
"addxcc\t%2, %0, %0\n\t"
"addxcc\t%3, %0, %0\n\t"
"addx\t%0, %%g0, %0\n\t"
: "=r" (sum), "=r" (saddr)
: "r" (daddr), "r" (proto + len), "0" (sum),
"1" (saddr)
: "cc");
return sum;
}
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
__wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
#define _HAVE_ARCH_IPV6_CSUM
static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
const struct in6_addr *daddr,
__u32 len, unsigned short proto,
__wsum sum)
{
__asm__ __volatile__ (
"addcc %3, %4, %%g4\n\t"
"addxcc %5, %%g4, %%g4\n\t"
"ld [%2 + 0x0c], %%g2\n\t"
"ld [%2 + 0x08], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%2 + 0x04], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%2 + 0x00], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%1 + 0x0c], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%1 + 0x08], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"ld [%1 + 0x04], %%g2\n\t"
"addxcc %%g3, %%g4, %%g4\n\t"
"ld [%1 + 0x00], %%g3\n\t"
"addxcc %%g2, %%g4, %%g4\n\t"
"addxcc %%g3, %%g4, %0\n\t"
"addx 0, %0, %0\n"
: "=&r" (sum)
: "r" (saddr), "r" (daddr),
"r"(htonl(len)), "r"(htonl(proto)), "r"(sum)
: "g2", "g3", "g4", "cc");
return csum_fold(sum);
}
/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold(csum_partial(buff, len, 0));
}
#endif /* !(__SPARC_CHECKSUM_H) */

167
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#ifndef __SPARC64_CHECKSUM_H
#define __SPARC64_CHECKSUM_H
/* checksum.h: IP/UDP/TCP checksum routines on the V9.
*
* Copyright(C) 1995 Linus Torvalds
* Copyright(C) 1995 Miguel de Icaza
* Copyright(C) 1996 David S. Miller
* Copyright(C) 1996 Eddie C. Dost
* Copyright(C) 1997 Jakub Jelinek
*
* derived from:
* Alpha checksum c-code
* ix86 inline assembly
* RFC1071 Computing the Internet Checksum
*/
#include <linux/in6.h>
#include <asm/uaccess.h>
/* computes the checksum of a memory block at buff, length len,
* and adds in "sum" (32-bit)
*
* returns a 32-bit number suitable for feeding into itself
* or csum_tcpudp_magic
*
* this function must be called with even lengths, except
* for the last fragment, which may be odd
*
* it's best to have buff aligned on a 32-bit boundary
*/
extern __wsum csum_partial(const void * buff, int len, __wsum sum);
/* the same as csum_partial, but copies from user space while it
* checksums
*
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
int len, __wsum sum);
extern long __csum_partial_copy_from_user(const void __user *src,
void *dst, int len,
__wsum sum);
static inline __wsum
csum_partial_copy_from_user(const void __user *src,
void *dst, int len,
__wsum sum, int *err)
{
long ret = __csum_partial_copy_from_user(src, dst, len, sum);
if (ret < 0)
*err = -EFAULT;
return (__force __wsum) ret;
}
/*
* Copy and checksum to user
*/
#define HAVE_CSUM_COPY_USER
extern long __csum_partial_copy_to_user(const void *src,
void __user *dst, int len,
__wsum sum);
static inline __wsum
csum_and_copy_to_user(const void *src,
void __user *dst, int len,
__wsum sum, int *err)
{
long ret = __csum_partial_copy_to_user(src, dst, len, sum);
if (ret < 0)
*err = -EFAULT;
return (__force __wsum) ret;
}
/* ihl is always 5 or greater, almost always is 5, and iph is word aligned
* the majority of the time.
*/
extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
/* Fold a partial checksum without adding pseudo headers. */
static inline __sum16 csum_fold(__wsum sum)
{
unsigned int tmp;
__asm__ __volatile__(
" addcc %0, %1, %1\n"
" srl %1, 16, %1\n"
" addc %1, %%g0, %1\n"
" xnor %%g0, %1, %0\n"
: "=&r" (sum), "=r" (tmp)
: "0" (sum), "1" ((__force u32)sum<<16)
: "cc");
return (__force __sum16)sum;
}
static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned int len,
unsigned short proto,
__wsum sum)
{
__asm__ __volatile__(
" addcc %1, %0, %0\n"
" addccc %2, %0, %0\n"
" addccc %3, %0, %0\n"
" addc %0, %%g0, %0\n"
: "=r" (sum), "=r" (saddr)
: "r" (daddr), "r" (proto + len), "0" (sum), "1" (saddr)
: "cc");
return sum;
}
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
__wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
#define _HAVE_ARCH_IPV6_CSUM
static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
const struct in6_addr *daddr,
__u32 len, unsigned short proto,
__wsum sum)
{
__asm__ __volatile__ (
" addcc %3, %4, %%g7\n"
" addccc %5, %%g7, %%g7\n"
" lduw [%2 + 0x0c], %%g2\n"
" lduw [%2 + 0x08], %%g3\n"
" addccc %%g2, %%g7, %%g7\n"
" lduw [%2 + 0x04], %%g2\n"
" addccc %%g3, %%g7, %%g7\n"
" lduw [%2 + 0x00], %%g3\n"
" addccc %%g2, %%g7, %%g7\n"
" lduw [%1 + 0x0c], %%g2\n"
" addccc %%g3, %%g7, %%g7\n"
" lduw [%1 + 0x08], %%g3\n"
" addccc %%g2, %%g7, %%g7\n"
" lduw [%1 + 0x04], %%g2\n"
" addccc %%g3, %%g7, %%g7\n"
" lduw [%1 + 0x00], %%g3\n"
" addccc %%g2, %%g7, %%g7\n"
" addccc %%g3, %%g7, %0\n"
" addc 0, %0, %0\n"
: "=&r" (sum)
: "r" (saddr), "r" (daddr), "r"(htonl(len)),
"r"(htonl(proto)), "r"(sum)
: "g2", "g3", "g7", "cc");
return csum_fold(sum);
}
/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold(csum_partial(buff, len, 0));
}
#endif /* !(__SPARC64_CHECKSUM_H) */

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include/asm-sparc/cpudata.h
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/* cpudata.h: Per-cpu parameters.
*
* Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org)
*
* Based on include/asm-sparc64/cpudata.h and Linux 2.4 smp.h
* both (C) David S. Miller.
*/
#ifndef _SPARC_CPUDATA_H
#define _SPARC_CPUDATA_H
#include <linux/percpu.h>
typedef struct {
unsigned long udelay_val;
unsigned long clock_tick;
unsigned int multiplier;
unsigned int counter;
int prom_node;
int mid;
int next;
} cpuinfo_sparc;
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
#define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu))
#endif /* _SPARC_CPUDATA_H */
#ifndef ___ASM_SPARC_CPUDATA_H
#define ___ASM_SPARC_CPUDATA_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/cpudata_64.h>
#else
#include <asm-sparc/cpudata_32.h>
#endif
#endif

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/* cpudata.h: Per-cpu parameters.
*
* Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org)
*
* Based on include/asm-sparc64/cpudata.h and Linux 2.4 smp.h
* both (C) David S. Miller.
*/
#ifndef _SPARC_CPUDATA_H
#define _SPARC_CPUDATA_H
#include <linux/percpu.h>
typedef struct {
unsigned long udelay_val;
unsigned long clock_tick;
unsigned int multiplier;
unsigned int counter;
int prom_node;
int mid;
int next;
} cpuinfo_sparc;
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
#define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu))
#endif /* _SPARC_CPUDATA_H */

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/* cpudata.h: Per-cpu parameters.
*
* Copyright (C) 2003, 2005, 2006 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC64_CPUDATA_H
#define _SPARC64_CPUDATA_H
#include <asm/hypervisor.h>
#include <asm/asi.h>
#ifndef __ASSEMBLY__
#include <linux/percpu.h>
#include <linux/threads.h>
typedef struct {
/* Dcache line 1 */
unsigned int __softirq_pending; /* must be 1st, see rtrap.S */
unsigned int __pad0;
unsigned long clock_tick; /* %tick's per second */
unsigned long __pad;
unsigned int __pad1;
unsigned int __pad2;
/* Dcache line 2, rarely used */
unsigned int dcache_size;
unsigned int dcache_line_size;
unsigned int icache_size;
unsigned int icache_line_size;
unsigned int ecache_size;
unsigned int ecache_line_size;
int core_id;
int proc_id;
} cpuinfo_sparc;
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
#define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu))
#define local_cpu_data() __get_cpu_var(__cpu_data)
/* Trap handling code needs to get at a few critical values upon
* trap entry and to process TSB misses. These cannot be in the
* per_cpu() area as we really need to lock them into the TLB and
* thus make them part of the main kernel image. As a result we
* try to make this as small as possible.
*
* This is padded out and aligned to 64-bytes to avoid false sharing
* on SMP.
*/
/* If you modify the size of this structure, please update
* TRAP_BLOCK_SZ_SHIFT below.
*/
struct thread_info;
struct trap_per_cpu {
/* D-cache line 1: Basic thread information, cpu and device mondo queues */
struct thread_info *thread;
unsigned long pgd_paddr;
unsigned long cpu_mondo_pa;
unsigned long dev_mondo_pa;
/* D-cache line 2: Error Mondo Queue and kernel buffer pointers */
unsigned long resum_mondo_pa;
unsigned long resum_kernel_buf_pa;
unsigned long nonresum_mondo_pa;
unsigned long nonresum_kernel_buf_pa;
/* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */
struct hv_fault_status fault_info;
/* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */
unsigned long cpu_mondo_block_pa;
unsigned long cpu_list_pa;
unsigned long tsb_huge;
unsigned long tsb_huge_temp;
/* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */
unsigned long irq_worklist_pa;
unsigned int cpu_mondo_qmask;
unsigned int dev_mondo_qmask;
unsigned int resum_qmask;
unsigned int nonresum_qmask;
void *hdesc;
} __attribute__((aligned(64)));
extern struct trap_per_cpu trap_block[NR_CPUS];
extern void init_cur_cpu_trap(struct thread_info *);
extern void setup_tba(void);
extern int ncpus_probed;
extern void __init cpu_probe(void);
extern const struct seq_operations cpuinfo_op;
extern unsigned long real_hard_smp_processor_id(void);
struct cpuid_patch_entry {
unsigned int addr;
unsigned int cheetah_safari[4];
unsigned int cheetah_jbus[4];
unsigned int starfire[4];
unsigned int sun4v[4];
};
extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end;
struct sun4v_1insn_patch_entry {
unsigned int addr;
unsigned int insn;
};
extern struct sun4v_1insn_patch_entry __sun4v_1insn_patch,
__sun4v_1insn_patch_end;
struct sun4v_2insn_patch_entry {
unsigned int addr;
unsigned int insns[2];
};
extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch,
__sun4v_2insn_patch_end;
#endif /* !(__ASSEMBLY__) */
#define TRAP_PER_CPU_THREAD 0x00
#define TRAP_PER_CPU_PGD_PADDR 0x08
#define TRAP_PER_CPU_CPU_MONDO_PA 0x10
#define TRAP_PER_CPU_DEV_MONDO_PA 0x18
#define TRAP_PER_CPU_RESUM_MONDO_PA 0x20
#define TRAP_PER_CPU_RESUM_KBUF_PA 0x28
#define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30
#define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38
#define TRAP_PER_CPU_FAULT_INFO 0x40
#define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0
#define TRAP_PER_CPU_CPU_LIST_PA 0xc8
#define TRAP_PER_CPU_TSB_HUGE 0xd0
#define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8
#define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0
#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8
#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec
#define TRAP_PER_CPU_RESUM_QMASK 0xf0
#define TRAP_PER_CPU_NONRESUM_QMASK 0xf4
#define TRAP_BLOCK_SZ_SHIFT 8
#include <asm/scratchpad.h>
#define __GET_CPUID(REG) \
/* Spitfire implementation (default). */ \
661: ldxa [%g0] ASI_UPA_CONFIG, REG; \
srlx REG, 17, REG; \
and REG, 0x1f, REG; \
nop; \
.section .cpuid_patch, "ax"; \
/* Instruction location. */ \
.word 661b; \
/* Cheetah Safari implementation. */ \
ldxa [%g0] ASI_SAFARI_CONFIG, REG; \
srlx REG, 17, REG; \
and REG, 0x3ff, REG; \
nop; \
/* Cheetah JBUS implementation. */ \
ldxa [%g0] ASI_JBUS_CONFIG, REG; \
srlx REG, 17, REG; \
and REG, 0x1f, REG; \
nop; \
/* Starfire implementation. */ \
sethi %hi(0x1fff40000d0 >> 9), REG; \
sllx REG, 9, REG; \
or REG, 0xd0, REG; \
lduwa [REG] ASI_PHYS_BYPASS_EC_E, REG;\
/* sun4v implementation. */ \
mov SCRATCHPAD_CPUID, REG; \
ldxa [REG] ASI_SCRATCHPAD, REG; \
nop; \
nop; \
.previous;
#ifdef CONFIG_SMP
#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
__GET_CPUID(TMP) \
sethi %hi(trap_block), DEST; \
sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \
or DEST, %lo(trap_block), DEST; \
add DEST, TMP, DEST; \
/* Clobbers TMP, current address space PGD phys address into DEST. */
#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST;
/* Clobbers TMP, loads local processor's IRQ work area into DEST. */
#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST;
/* Clobbers TMP, loads DEST with current thread info pointer. */
#define TRAP_LOAD_THREAD_REG(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_THREAD], DEST;
/* Given the current thread info pointer in THR, load the per-cpu
* area base of the current processor into DEST. REG1, REG2, and REG3 are
* clobbered.
*
* You absolutely cannot use DEST as a temporary in this code. The
* reason is that traps can happen during execution, and return from
* trap will load the fully resolved DEST per-cpu base. This can corrupt
* the calculations done by the macro mid-stream.
*/
#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \
lduh [THR + TI_CPU], REG1; \
sethi %hi(__per_cpu_shift), REG3; \
sethi %hi(__per_cpu_base), REG2; \
ldx [REG3 + %lo(__per_cpu_shift)], REG3; \
ldx [REG2 + %lo(__per_cpu_base)], REG2; \
sllx REG1, REG3, REG3; \
add REG3, REG2, DEST;
#else
#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
sethi %hi(trap_block), DEST; \
or DEST, %lo(trap_block), DEST; \
/* Uniprocessor versions, we know the cpuid is zero. */
#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST;
/* Clobbers TMP, loads local processor's IRQ work area into DEST. */
#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST;
#define TRAP_LOAD_THREAD_REG(DEST, TMP) \
TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_THREAD], DEST;
/* No per-cpu areas on uniprocessor, so no need to load DEST. */
#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3)
#endif /* !(CONFIG_SMP) */
#endif /* _SPARC64_CPUDATA_H */

42
include/asm-sparc/delay.h
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@ -1,34 +1,8 @@
/*
* delay.h: Linux delay routines on the Sparc.
*
* Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu).
*/
#ifndef __SPARC_DELAY_H
#define __SPARC_DELAY_H
#include <asm/cpudata.h>
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__("cmp %0, 0\n\t"
"1: bne 1b\n\t"
"subcc %0, 1, %0\n" :
"=&r" (loops) :
"0" (loops) :
"cc");
}
/* This is too messy with inline asm on the Sparc. */
extern void __udelay(unsigned long usecs, unsigned long lpj);
extern void __ndelay(unsigned long nsecs, unsigned long lpj);
#ifdef CONFIG_SMP
#define __udelay_val cpu_data(smp_processor_id()).udelay_val
#else /* SMP */
#define __udelay_val loops_per_jiffy
#endif /* SMP */
#define udelay(__usecs) __udelay(__usecs, __udelay_val)
#define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val)
#endif /* defined(__SPARC_DELAY_H) */
#ifndef ___ASM_SPARC_DELAY_H
#define ___ASM_SPARC_DELAY_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/delay_64.h>
#else
#include <asm-sparc/delay_32.h>
#endif
#endif

34
include/asm-sparc/delay_32.h 100644
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/*
* delay.h: Linux delay routines on the Sparc.
*
* Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu).
*/
#ifndef __SPARC_DELAY_H
#define __SPARC_DELAY_H
#include <asm/cpudata.h>
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__("cmp %0, 0\n\t"
"1: bne 1b\n\t"
"subcc %0, 1, %0\n" :
"=&r" (loops) :
"0" (loops) :
"cc");
}
/* This is too messy with inline asm on the Sparc. */
extern void __udelay(unsigned long usecs, unsigned long lpj);
extern void __ndelay(unsigned long nsecs, unsigned long lpj);
#ifdef CONFIG_SMP
#define __udelay_val cpu_data(smp_processor_id()).udelay_val
#else /* SMP */
#define __udelay_val loops_per_jiffy
#endif /* SMP */
#define udelay(__usecs) __udelay(__usecs, __udelay_val)
#define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val)
#endif /* defined(__SPARC_DELAY_H) */

17
include/asm-sparc/delay_64.h 100644
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/* delay.h: Linux delay routines on sparc64.
*
* Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net).
*/
#ifndef _SPARC64_DELAY_H
#define _SPARC64_DELAY_H
#ifndef __ASSEMBLY__
extern void __delay(unsigned long loops);
extern void udelay(unsigned long usecs);
#define mdelay(n) udelay((n) * 1000)
#endif /* !__ASSEMBLY__ */
#endif /* _SPARC64_DELAY_H */

17
include/asm-sparc/dma-mapping.h
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@ -1,11 +1,8 @@
#ifndef _ASM_SPARC_DMA_MAPPING_H
#define _ASM_SPARC_DMA_MAPPING_H
#ifdef CONFIG_PCI
#include <asm-generic/dma-mapping.h>
#ifndef ___ASM_SPARC_DMA_MAPPING_H
#define ___ASM_SPARC_DMA_MAPPING_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/dma-mapping_64.h>
#else
#include <asm-generic/dma-mapping-broken.h>
#endif /* PCI */
#endif /* _ASM_SPARC_DMA_MAPPING_H */
#include <asm-sparc/dma-mapping_32.h>
#endif
#endif

11
include/asm-sparc/dma-mapping_32.h 100644
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#ifndef _ASM_SPARC_DMA_MAPPING_H
#define _ASM_SPARC_DMA_MAPPING_H
#ifdef CONFIG_PCI
#include <asm-generic/dma-mapping.h>
#else
#include <asm-generic/dma-mapping-broken.h>
#endif /* PCI */
#endif /* _ASM_SPARC_DMA_MAPPING_H */

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include/asm-sparc/dma-mapping_64.h 100644
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#ifndef _ASM_SPARC64_DMA_MAPPING_H
#define _ASM_SPARC64_DMA_MAPPING_H
#include <linux/scatterlist.h>
#include <linux/mm.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
struct dma_ops {
void *(*alloc_coherent)(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
void (*free_coherent)(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle);
dma_addr_t (*map_single)(struct device *dev, void *cpu_addr,
size_t size,
enum dma_data_direction direction);
void (*unmap_single)(struct device *dev, dma_addr_t dma_addr,
size_t size,
enum dma_data_direction direction);
int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
int nhwentries,
enum dma_data_direction direction);
void (*sync_single_for_cpu)(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction);
void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
int nelems,
enum dma_data_direction direction);
};
extern const struct dma_ops *dma_ops;
extern int dma_supported(struct device *dev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 dma_mask);
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
{
return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
}
static inline void dma_free_coherent(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
{
dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
}
static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
size_t size,
enum dma_data_direction direction)
{
return dma_ops->map_single(dev, cpu_addr, size, direction);
}
static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size,
enum dma_data_direction direction)
{
dma_ops->unmap_single(dev, dma_addr, size, direction);
}
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction)
{
return dma_ops->map_single(dev, page_address(page) + offset,
size, direction);
}
static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size,
enum dma_data_direction direction)
{
dma_ops->unmap_single(dev, dma_address, size, direction);
}
static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction)
{
return dma_ops->map_sg(dev, sg, nents, direction);
}
static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction)
{
dma_ops->unmap_sg(dev, sg, nents, direction);
}
static inline void dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction);
}
static inline void dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle,
size_t size,
enum dma_data_direction direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
static inline void dma_sync_single_range_for_cpu(struct device *dev,
dma_addr_t dma_handle,
unsigned long offset,
size_t size,
enum dma_data_direction direction)
{
dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
}
static inline void dma_sync_single_range_for_device(struct device *dev,
dma_addr_t dma_handle,
unsigned long offset,
size_t size,
enum dma_data_direction direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
static inline void dma_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction);
}
static inline void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
static inline int dma_mapping_error(dma_addr_t dma_addr)
{
return (dma_addr == DMA_ERROR_CODE);
}
static inline int dma_get_cache_alignment(void)
{
/* no easy way to get cache size on all processors, so return
* the maximum possible, to be safe */
return (1 << INTERNODE_CACHE_SHIFT);
}
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_is_consistent(d, h) (1)
#endif /* _ASM_SPARC64_DMA_MAPPING_H */

290
include/asm-sparc/dma.h
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/* include/asm-sparc/dma.h
*
* Copyright 1995 (C) David S. Miller (davem@davemloft.net)
*/
#ifndef _ASM_SPARC_DMA_H
#define _ASM_SPARC_DMA_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/vac-ops.h> /* for invalidate's, etc. */
#include <asm/sbus.h>
#include <asm/delay.h>
#include <asm/oplib.h>
#include <asm/system.h>
#include <asm/io.h>
#include <linux/spinlock.h>
struct page;
extern spinlock_t dma_spin_lock;
static inline unsigned long claim_dma_lock(void)
{
unsigned long flags;
spin_lock_irqsave(&dma_spin_lock, flags);
return flags;
}
static inline void release_dma_lock(unsigned long flags)
{
spin_unlock_irqrestore(&dma_spin_lock, flags);
}
/* These are irrelevant for Sparc DMA, but we leave it in so that
* things can compile.
*/
#define MAX_DMA_CHANNELS 8
#define MAX_DMA_ADDRESS (~0UL)
#define DMA_MODE_READ 1
#define DMA_MODE_WRITE 2
/* Useful constants */
#define SIZE_16MB (16*1024*1024)
#define SIZE_64K (64*1024)
/* SBUS DMA controller reg offsets */
#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */
#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */
#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */
#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */
/* DVMA chip revisions */
enum dvma_rev {
dvmarev0,
dvmaesc1,
dvmarev1,
dvmarev2,
dvmarev3,
dvmarevplus,
dvmahme
};
#define DMA_HASCOUNT(rev) ((rev)==dvmaesc1)
/* Linux DMA information structure, filled during probe. */
struct sbus_dma {
struct sbus_dma *next;
struct sbus_dev *sdev;
void __iomem *regs;
/* Status, misc info */
int node; /* Prom node for this DMA device */
int running; /* Are we doing DMA now? */
int allocated; /* Are we "owned" by anyone yet? */
/* Transfer information. */
unsigned long addr; /* Start address of current transfer */
int nbytes; /* Size of current transfer */
int realbytes; /* For splitting up large transfers, etc. */
/* DMA revision */
enum dvma_rev revision;
};
extern struct sbus_dma *dma_chain;
/* Broken hardware... */
#ifdef CONFIG_SUN4
/* Have to sort this out. Does rev0 work fine on sun4[cmd] without isbroken?
* Or is rev0 present only on sun4 boxes? -jj */
#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev0 || (dma)->revision == dvmarev1)
#ifndef ___ASM_SPARC_DMA_H
#define ___ASM_SPARC_DMA_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/dma_64.h>
#else
#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1)
#include <asm-sparc/dma_32.h>
#endif
#define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1)
/* Main routines in dma.c */
extern void dvma_init(struct sbus_bus *);
/* Fields in the cond_reg register */
/* First, the version identification bits */
#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */
#define DMA_VERS0 0x00000000 /* Sunray DMA version */
#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */
#define DMA_VERS1 0x80000000 /* DMA rev 1 */
#define DMA_VERS2 0xa0000000 /* DMA rev 2 */
#define DMA_VERHME 0xb0000000 /* DMA hme gate array */
#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */
#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */
#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */
#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */
#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */
#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */
#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */
#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */
#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */
#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */
#define DMA_RST_BPP DMA_RST_SCSI /* Reset the BPP controller */
#define DMA_ST_WRITE 0x00000100 /* write from device to memory */
#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */
#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */
#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */
#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */
#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */
#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */
#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */
#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */
#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */
#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */
#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */
#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */
#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */
#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */
#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */
#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */
#define DMA_BRST64 0x00080000 /* SCSI: 64byte bursts (HME on UltraSparc only) */
#define DMA_BRST32 0x00040000 /* SCSI/BPP: 32byte bursts */
#define DMA_BRST16 0x00000000 /* SCSI/BPP: 16byte bursts */
#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */
#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */
#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */
#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */
#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */
#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */
#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */
#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */
#define DMA_BPP_ON DMA_SCSI_ON /* Enable BPP dma */
#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */
#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */
#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */
#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */
/* Values describing the burst-size property from the PROM */
#define DMA_BURST1 0x01
#define DMA_BURST2 0x02
#define DMA_BURST4 0x04
#define DMA_BURST8 0x08
#define DMA_BURST16 0x10
#define DMA_BURST32 0x20
#define DMA_BURST64 0x40
#define DMA_BURSTBITS 0x7f
/* Determine highest possible final transfer address given a base */
#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL))
/* Yes, I hack a lot of elisp in my spare time... */
#define DMA_ERROR_P(regs) ((((regs)->cond_reg) & DMA_HNDL_ERROR))
#define DMA_IRQ_P(regs) ((((regs)->cond_reg) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)))
#define DMA_WRITE_P(regs) ((((regs)->cond_reg) & DMA_ST_WRITE))
#define DMA_OFF(regs) ((((regs)->cond_reg) &= (~DMA_ENABLE)))
#define DMA_INTSOFF(regs) ((((regs)->cond_reg) &= (~DMA_INT_ENAB)))
#define DMA_INTSON(regs) ((((regs)->cond_reg) |= (DMA_INT_ENAB)))
#define DMA_PUNTFIFO(regs) ((((regs)->cond_reg) |= DMA_FIFO_INV))
#define DMA_SETSTART(regs, addr) ((((regs)->st_addr) = (char *) addr))
#define DMA_BEGINDMA_W(regs) \
((((regs)->cond_reg |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB))))
#define DMA_BEGINDMA_R(regs) \
((((regs)->cond_reg |= ((DMA_ENABLE|DMA_INT_ENAB)&(~DMA_ST_WRITE)))))
/* For certain DMA chips, we need to disable ints upon irq entry
* and turn them back on when we are done. So in any ESP interrupt
* handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT
* when leaving the handler. You have been warned...
*/
#define DMA_IRQ_ENTRY(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \
} while (0)
#define DMA_IRQ_EXIT(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \
} while(0)
#if 0 /* P3 this stuff is inline in ledma.c:init_restart_ledma() */
/* Pause until counter runs out or BIT isn't set in the DMA condition
* register.
*/
static inline void sparc_dma_pause(struct sparc_dma_registers *regs,
unsigned long bit)
{
int ctr = 50000; /* Let's find some bugs ;) */
/* Busy wait until the bit is not set any more */
while((regs->cond_reg&bit) && (ctr>0)) {
ctr--;
__delay(5);
}
/* Check for bogus outcome. */
if(!ctr)
panic("DMA timeout");
}
/* Reset the friggin' thing... */
#define DMA_RESET(dma) do { \
struct sparc_dma_registers *regs = dma->regs; \
/* Let the current FIFO drain itself */ \
sparc_dma_pause(regs, (DMA_FIFO_ISDRAIN)); \
/* Reset the logic */ \
regs->cond_reg |= (DMA_RST_SCSI); /* assert */ \
__delay(400); /* let the bits set ;) */ \
regs->cond_reg &= ~(DMA_RST_SCSI); /* de-assert */ \
sparc_dma_enable_interrupts(regs); /* Re-enable interrupts */ \
/* Enable FAST transfers if available */ \
if(dma->revision>dvmarev1) regs->cond_reg |= DMA_3CLKS; \
dma->running = 0; \
} while(0)
#endif
#define for_each_dvma(dma) \
for((dma) = dma_chain; (dma); (dma) = (dma)->next)
extern int get_dma_list(char *);
extern int request_dma(unsigned int, __const__ char *);
extern void free_dma(unsigned int);
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
/* Routines for data transfer buffers. */
BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long)
BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long)
#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus)
#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus)
#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus)
#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus)
/*
* mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
*
* The mmu_map_dma_area establishes two mappings in one go.
* These mappings point to pages normally mapped at 'va' (linear address).
* First mapping is for CPU visible address at 'a', uncached.
* This is an alias, but it works because it is an uncached mapping.
* Second mapping is for device visible address, or "bus" address.
* The bus address is returned at '*pba'.
*
* These functions seem distinct, but are hard to split. On sun4c,
* at least for now, 'a' is equal to bus address, and retured in *pba.
* On sun4m, page attributes depend on the CPU type, so we have to
* know if we are mapping RAM or I/O, so it has to be an additional argument
* to a separate mapping function for CPU visible mappings.
*/
BTFIXUPDEF_CALL(int, mmu_map_dma_area, dma_addr_t *, unsigned long, unsigned long, int len)
BTFIXUPDEF_CALL(struct page *, mmu_translate_dvma, unsigned long busa)
BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, unsigned long busa, int len)
#define mmu_map_dma_area(pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(pba,va,a,len)
#define mmu_unmap_dma_area(ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(ba,len)
#define mmu_translate_dvma(ba) BTFIXUP_CALL(mmu_translate_dvma)(ba)
#endif /* !(_ASM_SPARC_DMA_H) */

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include/asm-sparc/dma_32.h 100644
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/* include/asm-sparc/dma.h
*
* Copyright 1995 (C) David S. Miller (davem@davemloft.net)
*/
#ifndef _ASM_SPARC_DMA_H
#define _ASM_SPARC_DMA_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/vac-ops.h> /* for invalidate's, etc. */
#include <asm/sbus.h>
#include <asm/delay.h>
#include <asm/oplib.h>
#include <asm/system.h>
#include <asm/io.h>
#include <linux/spinlock.h>
struct page;
extern spinlock_t dma_spin_lock;
static inline unsigned long claim_dma_lock(void)
{
unsigned long flags;
spin_lock_irqsave(&dma_spin_lock, flags);
return flags;
}
static inline void release_dma_lock(unsigned long flags)
{
spin_unlock_irqrestore(&dma_spin_lock, flags);
}
/* These are irrelevant for Sparc DMA, but we leave it in so that
* things can compile.
*/
#define MAX_DMA_CHANNELS 8
#define MAX_DMA_ADDRESS (~0UL)
#define DMA_MODE_READ 1
#define DMA_MODE_WRITE 2
/* Useful constants */
#define SIZE_16MB (16*1024*1024)
#define SIZE_64K (64*1024)
/* SBUS DMA controller reg offsets */
#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */
#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */
#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */
#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */
/* DVMA chip revisions */
enum dvma_rev {
dvmarev0,
dvmaesc1,
dvmarev1,
dvmarev2,
dvmarev3,
dvmarevplus,
dvmahme
};
#define DMA_HASCOUNT(rev) ((rev)==dvmaesc1)
/* Linux DMA information structure, filled during probe. */
struct sbus_dma {
struct sbus_dma *next;
struct sbus_dev *sdev;
void __iomem *regs;
/* Status, misc info */
int node; /* Prom node for this DMA device */
int running; /* Are we doing DMA now? */
int allocated; /* Are we "owned" by anyone yet? */
/* Transfer information. */
unsigned long addr; /* Start address of current transfer */
int nbytes; /* Size of current transfer */
int realbytes; /* For splitting up large transfers, etc. */
/* DMA revision */
enum dvma_rev revision;
};
extern struct sbus_dma *dma_chain;
/* Broken hardware... */
#ifdef CONFIG_SUN4
/* Have to sort this out. Does rev0 work fine on sun4[cmd] without isbroken?
* Or is rev0 present only on sun4 boxes? -jj */
#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev0 || (dma)->revision == dvmarev1)
#else
#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1)
#endif
#define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1)
/* Main routines in dma.c */
extern void dvma_init(struct sbus_bus *);
/* Fields in the cond_reg register */
/* First, the version identification bits */
#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */
#define DMA_VERS0 0x00000000 /* Sunray DMA version */
#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */
#define DMA_VERS1 0x80000000 /* DMA rev 1 */
#define DMA_VERS2 0xa0000000 /* DMA rev 2 */
#define DMA_VERHME 0xb0000000 /* DMA hme gate array */
#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */
#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */
#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */
#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */
#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */
#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */
#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */
#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */
#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */
#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */
#define DMA_RST_BPP DMA_RST_SCSI /* Reset the BPP controller */
#define DMA_ST_WRITE 0x00000100 /* write from device to memory */
#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */
#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */
#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */
#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */
#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */
#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */
#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */
#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */
#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */
#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */
#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */
#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */
#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */
#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */
#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */
#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */
#define DMA_BRST64 0x00080000 /* SCSI: 64byte bursts (HME on UltraSparc only) */
#define DMA_BRST32 0x00040000 /* SCSI/BPP: 32byte bursts */
#define DMA_BRST16 0x00000000 /* SCSI/BPP: 16byte bursts */
#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */
#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */
#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */
#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */
#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */
#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */
#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */
#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */
#define DMA_BPP_ON DMA_SCSI_ON /* Enable BPP dma */
#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */
#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */
#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */
#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */
/* Values describing the burst-size property from the PROM */
#define DMA_BURST1 0x01
#define DMA_BURST2 0x02
#define DMA_BURST4 0x04
#define DMA_BURST8 0x08
#define DMA_BURST16 0x10
#define DMA_BURST32 0x20
#define DMA_BURST64 0x40
#define DMA_BURSTBITS 0x7f
/* Determine highest possible final transfer address given a base */
#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL))
/* Yes, I hack a lot of elisp in my spare time... */
#define DMA_ERROR_P(regs) ((((regs)->cond_reg) & DMA_HNDL_ERROR))
#define DMA_IRQ_P(regs) ((((regs)->cond_reg) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)))
#define DMA_WRITE_P(regs) ((((regs)->cond_reg) & DMA_ST_WRITE))
#define DMA_OFF(regs) ((((regs)->cond_reg) &= (~DMA_ENABLE)))
#define DMA_INTSOFF(regs) ((((regs)->cond_reg) &= (~DMA_INT_ENAB)))
#define DMA_INTSON(regs) ((((regs)->cond_reg) |= (DMA_INT_ENAB)))
#define DMA_PUNTFIFO(regs) ((((regs)->cond_reg) |= DMA_FIFO_INV))
#define DMA_SETSTART(regs, addr) ((((regs)->st_addr) = (char *) addr))
#define DMA_BEGINDMA_W(regs) \
((((regs)->cond_reg |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB))))
#define DMA_BEGINDMA_R(regs) \
((((regs)->cond_reg |= ((DMA_ENABLE|DMA_INT_ENAB)&(~DMA_ST_WRITE)))))
/* For certain DMA chips, we need to disable ints upon irq entry
* and turn them back on when we are done. So in any ESP interrupt
* handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT
* when leaving the handler. You have been warned...
*/
#define DMA_IRQ_ENTRY(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \
} while (0)
#define DMA_IRQ_EXIT(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \
} while(0)
#if 0 /* P3 this stuff is inline in ledma.c:init_restart_ledma() */
/* Pause until counter runs out or BIT isn't set in the DMA condition
* register.
*/
static inline void sparc_dma_pause(struct sparc_dma_registers *regs,
unsigned long bit)
{
int ctr = 50000; /* Let's find some bugs ;) */
/* Busy wait until the bit is not set any more */
while((regs->cond_reg&bit) && (ctr>0)) {
ctr--;
__delay(5);
}
/* Check for bogus outcome. */
if(!ctr)
panic("DMA timeout");
}
/* Reset the friggin' thing... */
#define DMA_RESET(dma) do { \
struct sparc_dma_registers *regs = dma->regs; \
/* Let the current FIFO drain itself */ \
sparc_dma_pause(regs, (DMA_FIFO_ISDRAIN)); \
/* Reset the logic */ \
regs->cond_reg |= (DMA_RST_SCSI); /* assert */ \
__delay(400); /* let the bits set ;) */ \
regs->cond_reg &= ~(DMA_RST_SCSI); /* de-assert */ \
sparc_dma_enable_interrupts(regs); /* Re-enable interrupts */ \
/* Enable FAST transfers if available */ \
if(dma->revision>dvmarev1) regs->cond_reg |= DMA_3CLKS; \
dma->running = 0; \
} while(0)
#endif
#define for_each_dvma(dma) \
for((dma) = dma_chain; (dma); (dma) = (dma)->next)
extern int get_dma_list(char *);
extern int request_dma(unsigned int, __const__ char *);
extern void free_dma(unsigned int);
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
/* Routines for data transfer buffers. */
BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long)
BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long)
#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus)
#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus)
#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus)
#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus)
/*
* mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
*
* The mmu_map_dma_area establishes two mappings in one go.
* These mappings point to pages normally mapped at 'va' (linear address).
* First mapping is for CPU visible address at 'a', uncached.
* This is an alias, but it works because it is an uncached mapping.
* Second mapping is for device visible address, or "bus" address.
* The bus address is returned at '*pba'.
*
* These functions seem distinct, but are hard to split. On sun4c,
* at least for now, 'a' is equal to bus address, and retured in *pba.
* On sun4m, page attributes depend on the CPU type, so we have to
* know if we are mapping RAM or I/O, so it has to be an additional argument
* to a separate mapping function for CPU visible mappings.
*/
BTFIXUPDEF_CALL(int, mmu_map_dma_area, dma_addr_t *, unsigned long, unsigned long, int len)
BTFIXUPDEF_CALL(struct page *, mmu_translate_dvma, unsigned long busa)
BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, unsigned long busa, int len)
#define mmu_map_dma_area(pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(pba,va,a,len)
#define mmu_unmap_dma_area(ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(ba,len)
#define mmu_translate_dvma(ba) BTFIXUP_CALL(mmu_translate_dvma)(ba)
#endif /* !(_ASM_SPARC_DMA_H) */

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/*
* include/asm-sparc64/dma.h
*
* Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _ASM_SPARC64_DMA_H
#define _ASM_SPARC64_DMA_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <asm/sbus.h>
#include <asm/delay.h>
#include <asm/oplib.h>
/* These are irrelevant for Sparc DMA, but we leave it in so that
* things can compile.
*/
#define MAX_DMA_CHANNELS 8
#define DMA_MODE_READ 1
#define DMA_MODE_WRITE 2
#define MAX_DMA_ADDRESS (~0UL)
/* Useful constants */
#define SIZE_16MB (16*1024*1024)
#define SIZE_64K (64*1024)
/* SBUS DMA controller reg offsets */
#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */
#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */
#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */
#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */
/* DVMA chip revisions */
enum dvma_rev {
dvmarev0,
dvmaesc1,
dvmarev1,
dvmarev2,
dvmarev3,
dvmarevplus,
dvmahme
};
#define DMA_HASCOUNT(rev) ((rev)==dvmaesc1)
/* Linux DMA information structure, filled during probe. */
struct sbus_dma {
struct sbus_dma *next;
struct sbus_dev *sdev;
void __iomem *regs;
/* Status, misc info */
int node; /* Prom node for this DMA device */
int running; /* Are we doing DMA now? */
int allocated; /* Are we "owned" by anyone yet? */
/* Transfer information. */
u32 addr; /* Start address of current transfer */
int nbytes; /* Size of current transfer */
int realbytes; /* For splitting up large transfers, etc. */
/* DMA revision */
enum dvma_rev revision;
};
extern struct sbus_dma *dma_chain;
/* Broken hardware... */
#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1)
#define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1)
/* Main routines in dma.c */
extern void dvma_init(struct sbus_bus *);
/* Fields in the cond_reg register */
/* First, the version identification bits */
#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */
#define DMA_VERS0 0x00000000 /* Sunray DMA version */
#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */
#define DMA_VERS1 0x80000000 /* DMA rev 1 */
#define DMA_VERS2 0xa0000000 /* DMA rev 2 */
#define DMA_VERHME 0xb0000000 /* DMA hme gate array */
#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */
#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */
#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */
#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */
#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */
#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */
#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */
#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */
#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */
#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */
#define DMA_ST_WRITE 0x00000100 /* write from device to memory */
#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */
#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */
#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */
#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */
#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */
#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */
#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */
#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */
#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */
#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */
#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */
#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */
#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */
#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */
#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */
#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */
#define DMA_BRST64 0x000c0000 /* SCSI: 64byte bursts (HME on UltraSparc only) */
#define DMA_BRST32 0x00040000 /* SCSI: 32byte bursts */
#define DMA_BRST16 0x00000000 /* SCSI: 16byte bursts */
#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */
#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */
#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */
#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */
#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */
#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */
#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */
#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */
#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */
#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */
#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */
#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */
/* Values describing the burst-size property from the PROM */
#define DMA_BURST1 0x01
#define DMA_BURST2 0x02
#define DMA_BURST4 0x04
#define DMA_BURST8 0x08
#define DMA_BURST16 0x10
#define DMA_BURST32 0x20
#define DMA_BURST64 0x40
#define DMA_BURSTBITS 0x7f
/* Determine highest possible final transfer address given a base */
#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL))
/* Yes, I hack a lot of elisp in my spare time... */
#define DMA_ERROR_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR))
#define DMA_IRQ_P(regs) ((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))
#define DMA_WRITE_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE))
#define DMA_OFF(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp &= ~DMA_ENABLE; \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
#define DMA_INTSOFF(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp &= ~DMA_INT_ENAB; \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
#define DMA_INTSON(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp |= DMA_INT_ENAB; \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
#define DMA_PUNTFIFO(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp |= DMA_FIFO_INV; \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
#define DMA_SETSTART(__regs, __addr) \
sbus_writel((u32)(__addr), (__regs) + DMA_ADDR);
#define DMA_BEGINDMA_W(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB); \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
#define DMA_BEGINDMA_R(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp |= (DMA_ENABLE|DMA_INT_ENAB); \
tmp &= ~DMA_ST_WRITE; \
sbus_writel(tmp, (__regs) + DMA_CSR); \
} while(0)
/* For certain DMA chips, we need to disable ints upon irq entry
* and turn them back on when we are done. So in any ESP interrupt
* handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT
* when leaving the handler. You have been warned...
*/
#define DMA_IRQ_ENTRY(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \
} while (0)
#define DMA_IRQ_EXIT(dma, dregs) do { \
if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \
} while(0)
#define for_each_dvma(dma) \
for((dma) = dma_chain; (dma); (dma) = (dma)->next)
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* !(_ASM_SPARC64_DMA_H) */

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include/asm-sparc/ebus.h
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/*
* ebus.h: PCI to Ebus pseudo driver software state.
*
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
*
* Adopted for sparc by V. Roganov and G. Raiko.
*/
#ifndef __SPARC_EBUS_H
#define __SPARC_EBUS_H
#ifndef _LINUX_IOPORT_H
#include <linux/ioport.h>
#ifndef ___ASM_SPARC_EBUS_H
#define ___ASM_SPARC_EBUS_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/ebus_64.h>
#else
#include <asm-sparc/ebus_32.h>
#endif
#endif
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct linux_ebus_child {
struct linux_ebus_child *next;
struct linux_ebus_device *parent;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
struct linux_ebus_device {
struct of_device ofdev;
struct linux_ebus_device *next;
struct linux_ebus_child *children;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
struct linux_ebus {
struct of_device ofdev;
struct linux_ebus *next;
struct linux_ebus_device *devices;
struct linux_pbm_info *parent;
struct pci_dev *self;
struct device_node *prom_node;
};
#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
struct linux_ebus_dma {
unsigned int dcsr;
unsigned int dacr;
unsigned int dbcr;
};
#define EBUS_DCSR_INT_PEND 0x00000001
#define EBUS_DCSR_ERR_PEND 0x00000002
#define EBUS_DCSR_DRAIN 0x00000004
#define EBUS_DCSR_INT_EN 0x00000010
#define EBUS_DCSR_RESET 0x00000080
#define EBUS_DCSR_WRITE 0x00000100
#define EBUS_DCSR_EN_DMA 0x00000200
#define EBUS_DCSR_CYC_PEND 0x00000400
#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
#define EBUS_DCSR_EN_CNT 0x00002000
#define EBUS_DCSR_TC 0x00004000
#define EBUS_DCSR_DIS_CSR_DRN 0x00010000
#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
#define EBUS_DCSR_BURST_SZ_1 0x00080000
#define EBUS_DCSR_BURST_SZ_4 0x00000000
#define EBUS_DCSR_BURST_SZ_8 0x00040000
#define EBUS_DCSR_BURST_SZ_16 0x000c0000
#define EBUS_DCSR_DIAG_EN 0x00100000
#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
#define EBUS_DCSR_TCI_DIS 0x00800000
#define EBUS_DCSR_EN_NEXT 0x01000000
#define EBUS_DCSR_DMA_ON 0x02000000
#define EBUS_DCSR_A_LOADED 0x04000000
#define EBUS_DCSR_NA_LOADED 0x08000000
#define EBUS_DCSR_DEV_ID_MASK 0xf0000000
extern struct linux_ebus *ebus_chain;
extern void ebus_init(void);
#define for_each_ebus(bus) \
for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
#define for_each_ebusdev(dev, bus) \
for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
#define for_each_edevchild(dev, child) \
for((child) = (dev)->children; (child); (child) = (child)->next)
#endif /* !(__SPARC_EBUS_H) */

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/*
* ebus.h: PCI to Ebus pseudo driver software state.
*
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
*
* Adopted for sparc by V. Roganov and G. Raiko.
*/
#ifndef __SPARC_EBUS_H
#define __SPARC_EBUS_H
#ifndef _LINUX_IOPORT_H
#include <linux/ioport.h>
#endif
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct linux_ebus_child {
struct linux_ebus_child *next;
struct linux_ebus_device *parent;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
struct linux_ebus_device {
struct of_device ofdev;
struct linux_ebus_device *next;
struct linux_ebus_child *children;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
struct linux_ebus {
struct of_device ofdev;
struct linux_ebus *next;
struct linux_ebus_device *devices;
struct linux_pbm_info *parent;
struct pci_dev *self;
struct device_node *prom_node;
};
#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
struct linux_ebus_dma {
unsigned int dcsr;
unsigned int dacr;
unsigned int dbcr;
};
#define EBUS_DCSR_INT_PEND 0x00000001
#define EBUS_DCSR_ERR_PEND 0x00000002
#define EBUS_DCSR_DRAIN 0x00000004
#define EBUS_DCSR_INT_EN 0x00000010
#define EBUS_DCSR_RESET 0x00000080
#define EBUS_DCSR_WRITE 0x00000100
#define EBUS_DCSR_EN_DMA 0x00000200
#define EBUS_DCSR_CYC_PEND 0x00000400
#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
#define EBUS_DCSR_EN_CNT 0x00002000
#define EBUS_DCSR_TC 0x00004000
#define EBUS_DCSR_DIS_CSR_DRN 0x00010000
#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
#define EBUS_DCSR_BURST_SZ_1 0x00080000
#define EBUS_DCSR_BURST_SZ_4 0x00000000
#define EBUS_DCSR_BURST_SZ_8 0x00040000
#define EBUS_DCSR_BURST_SZ_16 0x000c0000
#define EBUS_DCSR_DIAG_EN 0x00100000
#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
#define EBUS_DCSR_TCI_DIS 0x00800000
#define EBUS_DCSR_EN_NEXT 0x01000000
#define EBUS_DCSR_DMA_ON 0x02000000
#define EBUS_DCSR_A_LOADED 0x04000000
#define EBUS_DCSR_NA_LOADED 0x08000000
#define EBUS_DCSR_DEV_ID_MASK 0xf0000000
extern struct linux_ebus *ebus_chain;
extern void ebus_init(void);
#define for_each_ebus(bus) \
for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
#define for_each_ebusdev(dev, bus) \
for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
#define for_each_edevchild(dev, child) \
for((child) = (dev)->children; (child); (child) = (child)->next)
#endif /* !(__SPARC_EBUS_H) */

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/*
* ebus.h: PCI to Ebus pseudo driver software state.
*
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
*/
#ifndef __SPARC64_EBUS_H
#define __SPARC64_EBUS_H
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct linux_ebus_child {
struct linux_ebus_child *next;
struct linux_ebus_device *parent;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
struct linux_ebus_device {
struct of_device ofdev;
struct linux_ebus_device *next;
struct linux_ebus_child *children;
struct linux_ebus *bus;
struct device_node *prom_node;
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
struct linux_ebus {
struct of_device ofdev;
struct linux_ebus *next;
struct linux_ebus_device *devices;
struct pci_dev *self;
int index;
int is_rio;
struct device_node *prom_node;
};
#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
struct ebus_dma_info {
spinlock_t lock;
void __iomem *regs;
unsigned int flags;
#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001
#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002
/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
* set.
*/
void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
void *client_cookie;
unsigned int irq;
#define EBUS_DMA_EVENT_ERROR 1
#define EBUS_DMA_EVENT_DMA 2
#define EBUS_DMA_EVENT_DEVICE 4
unsigned char name[64];
};
extern int ebus_dma_register(struct ebus_dma_info *p);
extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
extern void ebus_dma_unregister(struct ebus_dma_info *p);
extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
size_t len);
extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
extern unsigned int ebus_dma_addr(struct ebus_dma_info *p);
extern void ebus_dma_enable(struct ebus_dma_info *p, int on);
extern struct linux_ebus *ebus_chain;
extern void ebus_init(void);
#define for_each_ebus(bus) \
for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
#define for_each_ebusdev(dev, bus) \
for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
#define for_each_edevchild(dev, child) \
for((child) = (dev)->children; (child); (child) = (child)->next)
#endif /* !(__SPARC64_EBUS_H) */

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#ifndef __ASMSPARC_ELF_H
#define __ASMSPARC_ELF_H
/*
* ELF register definitions..
*/
#include <asm/ptrace.h>
/*
* Sparc section types
*/
#define STT_REGISTER 13
/*
* Sparc ELF relocation types
*/
#define R_SPARC_NONE 0
#define R_SPARC_8 1
#define R_SPARC_16 2
#define R_SPARC_32 3
#define R_SPARC_DISP8 4
#define R_SPARC_DISP16 5
#define R_SPARC_DISP32 6
#define R_SPARC_WDISP30 7
#define R_SPARC_WDISP22 8
#define R_SPARC_HI22 9
#define R_SPARC_22 10
#define R_SPARC_13 11
#define R_SPARC_LO10 12
#define R_SPARC_GOT10 13
#define R_SPARC_GOT13 14
#define R_SPARC_GOT22 15
#define R_SPARC_PC10 16
#define R_SPARC_PC22 17
#define R_SPARC_WPLT30 18
#define R_SPARC_COPY 19
#define R_SPARC_GLOB_DAT 20
#define R_SPARC_JMP_SLOT 21
#define R_SPARC_RELATIVE 22
#define R_SPARC_UA32 23
#define R_SPARC_PLT32 24
#define R_SPARC_HIPLT22 25
#define R_SPARC_LOPLT10 26
#define R_SPARC_PCPLT32 27
#define R_SPARC_PCPLT22 28
#define R_SPARC_PCPLT10 29
#define R_SPARC_10 30
#define R_SPARC_11 31
#define R_SPARC_64 32
#define R_SPARC_OLO10 33
#define R_SPARC_WDISP16 40
#define R_SPARC_WDISP19 41
#define R_SPARC_7 43
#define R_SPARC_5 44
#define R_SPARC_6 45
/* Bits present in AT_HWCAP, primarily for Sparc32. */
#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
#define HWCAP_SPARC_STBAR 2
#define HWCAP_SPARC_SWAP 4
#define HWCAP_SPARC_MULDIV 8
#define HWCAP_SPARC_V9 16
#define HWCAP_SPARC_ULTRA3 32
#define CORE_DUMP_USE_REGSET
/* Format is:
* G0 --> G7
* O0 --> O7
* L0 --> L7
* I0 --> I7
* PSR, PC, nPC, Y, WIM, TBR
*/
typedef unsigned long elf_greg_t;
#define ELF_NGREG 38
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct {
union {
unsigned long pr_regs[32];
double pr_dregs[16];
} pr_fr;
unsigned long __unused;
unsigned long pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
unsigned char pr_en;
unsigned int pr_q[64];
} elf_fpregset_t;
#include <asm/mbus.h>
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_ARCH EM_SPARC
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB
#define USE_ELF_CORE_DUMP
#ifndef CONFIG_SUN4
#define ELF_EXEC_PAGESIZE 4096
#ifndef ___ASM_SPARC_ELF_H
#define ___ASM_SPARC_ELF_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/elf_64.h>
#else
#define ELF_EXEC_PAGESIZE 8192
#include <asm-sparc/elf_32.h>
#endif
#endif
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke "./ld.so someprog" to test out a new version of
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
/* This yields a mask that user programs can use to figure out what
instruction set this cpu supports. This can NOT be done in userspace
on Sparc. */
/* Sun4c has none of the capabilities, most sun4m's have them all.
* XXX This is gross, set some global variable at boot time. -DaveM
*/
#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
(HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
HWCAP_SPARC_SWAP | \
((srmmu_modtype != Cypress && \
srmmu_modtype != Cypress_vE && \
srmmu_modtype != Cypress_vD) ? \
HWCAP_SPARC_MULDIV : 0)))
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo. */
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
#endif /* !(__ASMSPARC_ELF_H) */

145
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#ifndef __ASMSPARC_ELF_H
#define __ASMSPARC_ELF_H
/*
* ELF register definitions..
*/
#include <asm/ptrace.h>
/*
* Sparc section types
*/
#define STT_REGISTER 13
/*
* Sparc ELF relocation types
*/
#define R_SPARC_NONE 0
#define R_SPARC_8 1
#define R_SPARC_16 2
#define R_SPARC_32 3
#define R_SPARC_DISP8 4
#define R_SPARC_DISP16 5
#define R_SPARC_DISP32 6
#define R_SPARC_WDISP30 7
#define R_SPARC_WDISP22 8
#define R_SPARC_HI22 9
#define R_SPARC_22 10
#define R_SPARC_13 11
#define R_SPARC_LO10 12
#define R_SPARC_GOT10 13
#define R_SPARC_GOT13 14
#define R_SPARC_GOT22 15
#define R_SPARC_PC10 16
#define R_SPARC_PC22 17
#define R_SPARC_WPLT30 18
#define R_SPARC_COPY 19
#define R_SPARC_GLOB_DAT 20
#define R_SPARC_JMP_SLOT 21
#define R_SPARC_RELATIVE 22
#define R_SPARC_UA32 23
#define R_SPARC_PLT32 24
#define R_SPARC_HIPLT22 25
#define R_SPARC_LOPLT10 26
#define R_SPARC_PCPLT32 27
#define R_SPARC_PCPLT22 28
#define R_SPARC_PCPLT10 29
#define R_SPARC_10 30
#define R_SPARC_11 31
#define R_SPARC_64 32
#define R_SPARC_OLO10 33
#define R_SPARC_WDISP16 40
#define R_SPARC_WDISP19 41
#define R_SPARC_7 43
#define R_SPARC_5 44
#define R_SPARC_6 45
/* Bits present in AT_HWCAP, primarily for Sparc32. */
#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
#define HWCAP_SPARC_STBAR 2
#define HWCAP_SPARC_SWAP 4
#define HWCAP_SPARC_MULDIV 8
#define HWCAP_SPARC_V9 16
#define HWCAP_SPARC_ULTRA3 32
#define CORE_DUMP_USE_REGSET
/* Format is:
* G0 --> G7
* O0 --> O7
* L0 --> L7
* I0 --> I7
* PSR, PC, nPC, Y, WIM, TBR
*/
typedef unsigned long elf_greg_t;
#define ELF_NGREG 38
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct {
union {
unsigned long pr_regs[32];
double pr_dregs[16];
} pr_fr;
unsigned long __unused;
unsigned long pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
unsigned char pr_en;
unsigned int pr_q[64];
} elf_fpregset_t;
#include <asm/mbus.h>
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_ARCH EM_SPARC
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB
#define USE_ELF_CORE_DUMP
#ifndef CONFIG_SUN4
#define ELF_EXEC_PAGESIZE 4096
#else
#define ELF_EXEC_PAGESIZE 8192
#endif
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke "./ld.so someprog" to test out a new version of
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
/* This yields a mask that user programs can use to figure out what
instruction set this cpu supports. This can NOT be done in userspace
on Sparc. */
/* Sun4c has none of the capabilities, most sun4m's have them all.
* XXX This is gross, set some global variable at boot time. -DaveM
*/
#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
(HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
HWCAP_SPARC_SWAP | \
((srmmu_modtype != Cypress && \
srmmu_modtype != Cypress_vE && \
srmmu_modtype != Cypress_vD) ? \
HWCAP_SPARC_MULDIV : 0)))
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo. */
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
#endif /* !(__ASMSPARC_ELF_H) */

217
include/asm-sparc/elf_64.h 100644
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#ifndef __ASM_SPARC64_ELF_H
#define __ASM_SPARC64_ELF_H
/*
* ELF register definitions..
*/
#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/spitfire.h>
/*
* Sparc section types
*/
#define STT_REGISTER 13
/*
* Sparc ELF relocation types
*/
#define R_SPARC_NONE 0
#define R_SPARC_8 1
#define R_SPARC_16 2
#define R_SPARC_32 3
#define R_SPARC_DISP8 4
#define R_SPARC_DISP16 5
#define R_SPARC_DISP32 6
#define R_SPARC_WDISP30 7
#define R_SPARC_WDISP22 8
#define R_SPARC_HI22 9
#define R_SPARC_22 10
#define R_SPARC_13 11
#define R_SPARC_LO10 12
#define R_SPARC_GOT10 13
#define R_SPARC_GOT13 14
#define R_SPARC_GOT22 15
#define R_SPARC_PC10 16
#define R_SPARC_PC22 17
#define R_SPARC_WPLT30 18
#define R_SPARC_COPY 19
#define R_SPARC_GLOB_DAT 20
#define R_SPARC_JMP_SLOT 21
#define R_SPARC_RELATIVE 22
#define R_SPARC_UA32 23
#define R_SPARC_PLT32 24
#define R_SPARC_HIPLT22 25
#define R_SPARC_LOPLT10 26
#define R_SPARC_PCPLT32 27
#define R_SPARC_PCPLT22 28
#define R_SPARC_PCPLT10 29
#define R_SPARC_10 30
#define R_SPARC_11 31
#define R_SPARC_64 32
#define R_SPARC_OLO10 33
#define R_SPARC_WDISP16 40
#define R_SPARC_WDISP19 41
#define R_SPARC_7 43
#define R_SPARC_5 44
#define R_SPARC_6 45
/* Bits present in AT_HWCAP, primarily for Sparc32. */
#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
#define HWCAP_SPARC_STBAR 2
#define HWCAP_SPARC_SWAP 4
#define HWCAP_SPARC_MULDIV 8
#define HWCAP_SPARC_V9 16
#define HWCAP_SPARC_ULTRA3 32
#define HWCAP_SPARC_BLKINIT 64
#define HWCAP_SPARC_N2 128
#define CORE_DUMP_USE_REGSET
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_ARCH EM_SPARCV9
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2MSB
/* Format of 64-bit elf_gregset_t is:
* G0 --> G7
* O0 --> O7
* L0 --> L7
* I0 --> I7
* TSTATE
* TPC
* TNPC
* Y
*/
typedef unsigned long elf_greg_t;
#define ELF_NGREG 36
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct {
unsigned long pr_regs[32];
unsigned long pr_fsr;
unsigned long pr_gsr;
unsigned long pr_fprs;
} elf_fpregset_t;
/* Format of 32-bit elf_gregset_t is:
* G0 --> G7
* O0 --> O7
* L0 --> L7
* I0 --> I7
* PSR, PC, nPC, Y, WIM, TBR
*/
typedef unsigned int compat_elf_greg_t;
#define COMPAT_ELF_NGREG 38
typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
typedef struct {
union {
unsigned int pr_regs[32];
unsigned long pr_dregs[16];
} pr_fr;
unsigned int __unused;
unsigned int pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
unsigned char pr_en;
unsigned int pr_q[64];
} compat_elf_fpregset_t;
/* UltraSparc extensions. Still unused, but will be eventually. */
typedef struct {
unsigned int pr_type;
unsigned int pr_align;
union {
struct {
union {
unsigned int pr_regs[32];
unsigned long pr_dregs[16];
long double pr_qregs[8];
} pr_xfr;
} pr_v8p;
unsigned int pr_xfsr;
unsigned int pr_fprs;
unsigned int pr_xg[8];
unsigned int pr_xo[8];
unsigned long pr_tstate;
unsigned int pr_filler[8];
} pr_un;
} elf_xregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \
(x)->e_machine == EM_SPARC32PLUS)
#define compat_start_thread start_thread32
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke "./ld.so someprog" to test out a new version of
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
#define ELF_ET_DYN_BASE 0x0000010000000000UL
#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
/* This yields a mask that user programs can use to figure out what
instruction set this cpu supports. */
/* On Ultra, we support all of the v8 capabilities. */
static inline unsigned int sparc64_elf_hwcap(void)
{
unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR |
HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV |
HWCAP_SPARC_V9);
if (tlb_type == cheetah || tlb_type == cheetah_plus)
cap |= HWCAP_SPARC_ULTRA3;
else if (tlb_type == hypervisor) {
if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
cap |= HWCAP_SPARC_BLKINIT;
if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
cap |= HWCAP_SPARC_N2;
}
return cap;
}
#define ELF_HWCAP sparc64_elf_hwcap();
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo. */
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex, ibcs2) \
do { unsigned long new_flags = current_thread_info()->flags; \
new_flags &= _TIF_32BIT; \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
new_flags |= _TIF_32BIT; \
else \
new_flags &= ~_TIF_32BIT; \
if ((current_thread_info()->flags & _TIF_32BIT) \
!= new_flags) \
set_thread_flag(TIF_ABI_PENDING); \
else \
clear_thread_flag(TIF_ABI_PENDING); \
/* flush_thread will update pgd cache */ \
if (ibcs2) \
set_personality(PER_SVR4); \
else if (current->personality != PER_LINUX32) \
set_personality(PER_LINUX); \
} while (0)
#endif /* !(__ASM_SPARC64_ELF_H) */

394
include/asm-sparc/floppy.h
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@ -1,388 +1,8 @@
/* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver.
*
* Copyright (C) 1995 David S. Miller (davem@davemloft.net)
*/
#ifndef __ASM_SPARC_FLOPPY_H
#define __ASM_SPARC_FLOPPY_H
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/idprom.h>
#include <asm/machines.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
#include <asm/irq.h>
/* We don't need no stinkin' I/O port allocation crap. */
#undef release_region
#undef request_region
#define release_region(X, Y) do { } while(0)
#define request_region(X, Y, Z) (1)
/* References:
* 1) Netbsd Sun floppy driver.
* 2) NCR 82077 controller manual
* 3) Intel 82077 controller manual
*/
struct sun_flpy_controller {
volatile unsigned char status_82072; /* Main Status reg. */
#define dcr_82072 status_82072 /* Digital Control reg. */
#define status1_82077 status_82072 /* Auxiliary Status reg. 1 */
volatile unsigned char data_82072; /* Data fifo. */
#define status2_82077 data_82072 /* Auxiliary Status reg. 2 */
volatile unsigned char dor_82077; /* Digital Output reg. */
volatile unsigned char tapectl_82077; /* What the? Tape control reg? */
volatile unsigned char status_82077; /* Main Status Register. */
#define drs_82077 status_82077 /* Digital Rate Select reg. */
volatile unsigned char data_82077; /* Data fifo. */
volatile unsigned char ___unused;
volatile unsigned char dir_82077; /* Digital Input reg. */
#define dcr_82077 dir_82077 /* Config Control reg. */
};
/* You'll only ever find one controller on a SparcStation anyways. */
static struct sun_flpy_controller *sun_fdc = NULL;
extern volatile unsigned char *fdc_status;
struct sun_floppy_ops {
unsigned char (*fd_inb)(int port);
void (*fd_outb)(unsigned char value, int port);
};
static struct sun_floppy_ops sun_fdops;
#define fd_inb(port) sun_fdops.fd_inb(port)
#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
#define fd_enable_dma() sun_fd_enable_dma()
#define fd_disable_dma() sun_fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
#define fd_free_dma() /* nothing... */
#define fd_clear_dma_ff() /* nothing... */
#define fd_set_dma_mode(mode) sun_fd_set_dma_mode(mode)
#define fd_set_dma_addr(addr) sun_fd_set_dma_addr(addr)
#define fd_set_dma_count(count) sun_fd_set_dma_count(count)
#define fd_enable_irq() /* nothing... */
#define fd_disable_irq() /* nothing... */
#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fd_request_irq()
#define fd_free_irq() /* nothing... */
#if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */
#define fd_dma_mem_alloc(size) ((unsigned long) vmalloc(size))
#define fd_dma_mem_free(addr,size) (vfree((void *)(addr)))
#ifndef ___ASM_SPARC_FLOPPY_H
#define ___ASM_SPARC_FLOPPY_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/floppy_64.h>
#else
#include <asm-sparc/floppy_32.h>
#endif
#endif
/* XXX This isn't really correct. XXX */
#define get_dma_residue(x) (0)
#define FLOPPY0_TYPE 4
#define FLOPPY1_TYPE 0
/* Super paranoid... */
#undef HAVE_DISABLE_HLT
/* Here is where we catch the floppy driver trying to initialize,
* therefore this is where we call the PROM device tree probing
* routine etc. on the Sparc.
*/
#define FDC1 sun_floppy_init()
#define N_FDC 1
#define N_DRIVE 8
/* No 64k boundary crossing problems on the Sparc. */
#define CROSS_64KB(a,s) (0)
/* Routines unique to each controller type on a Sun. */
static void sun_set_dor(unsigned char value, int fdc_82077)
{
if (sparc_cpu_model == sun4c) {
unsigned int bits = 0;
if (value & 0x10)
bits |= AUXIO_FLPY_DSEL;
if ((value & 0x80) == 0)
bits |= AUXIO_FLPY_EJCT;
set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT));
}
if (fdc_82077) {
sun_fdc->dor_82077 = value;
}
}
static unsigned char sun_read_dir(void)
{
if (sparc_cpu_model == sun4c)
return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0;
else
return sun_fdc->dir_82077;
}
static unsigned char sun_82072_fd_inb(int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 4: /* FD_STATUS */
return sun_fdc->status_82072 & ~STATUS_DMA;
case 5: /* FD_DATA */
return sun_fdc->data_82072;
case 7: /* FD_DIR */
return sun_read_dir();
};
panic("sun_82072_fd_inb: How did I get here?");
}
static void sun_82072_fd_outb(unsigned char value, int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 2: /* FD_DOR */
sun_set_dor(value, 0);
break;
case 5: /* FD_DATA */
sun_fdc->data_82072 = value;
break;
case 7: /* FD_DCR */
sun_fdc->dcr_82072 = value;
break;
case 4: /* FD_STATUS */
sun_fdc->status_82072 = value;
break;
};
return;
}
static unsigned char sun_82077_fd_inb(int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 0: /* FD_STATUS_0 */
return sun_fdc->status1_82077;
case 1: /* FD_STATUS_1 */
return sun_fdc->status2_82077;
case 2: /* FD_DOR */
return sun_fdc->dor_82077;
case 3: /* FD_TDR */
return sun_fdc->tapectl_82077;
case 4: /* FD_STATUS */
return sun_fdc->status_82077 & ~STATUS_DMA;
case 5: /* FD_DATA */
return sun_fdc->data_82077;
case 7: /* FD_DIR */
return sun_read_dir();
};
panic("sun_82077_fd_inb: How did I get here?");
}
static void sun_82077_fd_outb(unsigned char value, int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 2: /* FD_DOR */
sun_set_dor(value, 1);
break;
case 5: /* FD_DATA */
sun_fdc->data_82077 = value;
break;
case 7: /* FD_DCR */
sun_fdc->dcr_82077 = value;
break;
case 4: /* FD_STATUS */
sun_fdc->status_82077 = value;
break;
case 3: /* FD_TDR */
sun_fdc->tapectl_82077 = value;
break;
};
return;
}
/* For pseudo-dma (Sun floppy drives have no real DMA available to
* them so we must eat the data fifo bytes directly ourselves) we have
* three state variables. doing_pdma tells our inline low-level
* assembly floppy interrupt entry point whether it should sit and eat
* bytes from the fifo or just transfer control up to the higher level
* floppy interrupt c-code. I tried very hard but I could not get the
* pseudo-dma to work in c-code without getting many overruns and
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
extern char *pdma_vaddr;
extern unsigned long pdma_size;
extern volatile int doing_pdma;
/* This is software state */
extern char *pdma_base;
extern unsigned long pdma_areasize;
/* Common routines to all controller types on the Sparc. */
static inline void virtual_dma_init(void)
{
/* nothing... */
}
static inline void sun_fd_disable_dma(void)
{
doing_pdma = 0;
if (pdma_base) {
mmu_unlockarea(pdma_base, pdma_areasize);
pdma_base = NULL;
}
}
static inline void sun_fd_set_dma_mode(int mode)
{
switch(mode) {
case DMA_MODE_READ:
doing_pdma = 1;
break;
case DMA_MODE_WRITE:
doing_pdma = 2;
break;
default:
printk("Unknown dma mode %d\n", mode);
panic("floppy: Giving up...");
}
}
static inline void sun_fd_set_dma_addr(char *buffer)
{
pdma_vaddr = buffer;
}
static inline void sun_fd_set_dma_count(int length)
{
pdma_size = length;
}
static inline void sun_fd_enable_dma(void)
{
pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
pdma_base = pdma_vaddr;
pdma_areasize = pdma_size;
}
/* Our low-level entry point in arch/sparc/kernel/entry.S */
extern int sparc_floppy_request_irq(int irq, unsigned long flags,
irq_handler_t irq_handler);
static int sun_fd_request_irq(void)
{
static int once = 0;
int error;
if(!once) {
once = 1;
error = sparc_floppy_request_irq(FLOPPY_IRQ,
IRQF_DISABLED,
floppy_interrupt);
return ((error == 0) ? 0 : -1);
} else return 0;
}
static struct linux_prom_registers fd_regs[2];
static int sun_floppy_init(void)
{
char state[128];
int tnode, fd_node, num_regs;
struct resource r;
use_virtual_dma = 1;
FLOPPY_IRQ = 11;
/* Forget it if we aren't on a machine that could possibly
* ever have a floppy drive.
*/
if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) ||
((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) ||
(idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) {
/* We certainly don't have a floppy controller. */
goto no_sun_fdc;
}
/* Well, try to find one. */
tnode = prom_getchild(prom_root_node);
fd_node = prom_searchsiblings(tnode, "obio");
if(fd_node != 0) {
tnode = prom_getchild(fd_node);
fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo");
} else {
fd_node = prom_searchsiblings(tnode, "fd");
}
if(fd_node == 0) {
goto no_sun_fdc;
}
/* The sun4m lets us know if the controller is actually usable. */
if(sparc_cpu_model == sun4m &&
prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
if(!strcmp(state, "disabled")) {
goto no_sun_fdc;
}
}
num_regs = prom_getproperty(fd_node, "reg", (char *) fd_regs, sizeof(fd_regs));
num_regs = (num_regs / sizeof(fd_regs[0]));
prom_apply_obio_ranges(fd_regs, num_regs);
memset(&r, 0, sizeof(r));
r.flags = fd_regs[0].which_io;
r.start = fd_regs[0].phys_addr;
sun_fdc = (struct sun_flpy_controller *)
sbus_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
/* Last minute sanity check... */
if(sun_fdc->status_82072 == 0xff) {
sun_fdc = NULL;
goto no_sun_fdc;
}
sun_fdops.fd_inb = sun_82077_fd_inb;
sun_fdops.fd_outb = sun_82077_fd_outb;
fdc_status = &sun_fdc->status_82077;
if (sun_fdc->dor_82077 == 0x80) {
sun_fdc->dor_82077 = 0x02;
if (sun_fdc->dor_82077 == 0x80) {
sun_fdops.fd_inb = sun_82072_fd_inb;
sun_fdops.fd_outb = sun_82072_fd_outb;
fdc_status = &sun_fdc->status_82072;
}
}
/* Success... */
allowed_drive_mask = 0x01;
return (int) sun_fdc;
no_sun_fdc:
return -1;
}
static int sparc_eject(void)
{
set_dor(0x00, 0xff, 0x90);
udelay(500);
set_dor(0x00, 0x6f, 0x00);
udelay(500);
return 0;
}
#define fd_eject(drive) sparc_eject()
#define EXTRA_FLOPPY_PARAMS
#endif /* !(__ASM_SPARC_FLOPPY_H) */

388
include/asm-sparc/floppy_32.h 100644
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@ -0,0 +1,388 @@
/* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver.
*
* Copyright (C) 1995 David S. Miller (davem@davemloft.net)
*/
#ifndef __ASM_SPARC_FLOPPY_H
#define __ASM_SPARC_FLOPPY_H
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/idprom.h>
#include <asm/machines.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
#include <asm/irq.h>
/* We don't need no stinkin' I/O port allocation crap. */
#undef release_region
#undef request_region
#define release_region(X, Y) do { } while(0)
#define request_region(X, Y, Z) (1)
/* References:
* 1) Netbsd Sun floppy driver.
* 2) NCR 82077 controller manual
* 3) Intel 82077 controller manual
*/
struct sun_flpy_controller {
volatile unsigned char status_82072; /* Main Status reg. */
#define dcr_82072 status_82072 /* Digital Control reg. */
#define status1_82077 status_82072 /* Auxiliary Status reg. 1 */
volatile unsigned char data_82072; /* Data fifo. */
#define status2_82077 data_82072 /* Auxiliary Status reg. 2 */
volatile unsigned char dor_82077; /* Digital Output reg. */
volatile unsigned char tapectl_82077; /* What the? Tape control reg? */
volatile unsigned char status_82077; /* Main Status Register. */
#define drs_82077 status_82077 /* Digital Rate Select reg. */
volatile unsigned char data_82077; /* Data fifo. */
volatile unsigned char ___unused;
volatile unsigned char dir_82077; /* Digital Input reg. */
#define dcr_82077 dir_82077 /* Config Control reg. */
};
/* You'll only ever find one controller on a SparcStation anyways. */
static struct sun_flpy_controller *sun_fdc = NULL;
extern volatile unsigned char *fdc_status;
struct sun_floppy_ops {
unsigned char (*fd_inb)(int port);
void (*fd_outb)(unsigned char value, int port);
};
static struct sun_floppy_ops sun_fdops;
#define fd_inb(port) sun_fdops.fd_inb(port)
#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
#define fd_enable_dma() sun_fd_enable_dma()
#define fd_disable_dma() sun_fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
#define fd_free_dma() /* nothing... */
#define fd_clear_dma_ff() /* nothing... */
#define fd_set_dma_mode(mode) sun_fd_set_dma_mode(mode)
#define fd_set_dma_addr(addr) sun_fd_set_dma_addr(addr)
#define fd_set_dma_count(count) sun_fd_set_dma_count(count)
#define fd_enable_irq() /* nothing... */
#define fd_disable_irq() /* nothing... */
#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fd_request_irq()
#define fd_free_irq() /* nothing... */
#if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */
#define fd_dma_mem_alloc(size) ((unsigned long) vmalloc(size))
#define fd_dma_mem_free(addr,size) (vfree((void *)(addr)))
#endif
/* XXX This isn't really correct. XXX */
#define get_dma_residue(x) (0)
#define FLOPPY0_TYPE 4
#define FLOPPY1_TYPE 0
/* Super paranoid... */
#undef HAVE_DISABLE_HLT
/* Here is where we catch the floppy driver trying to initialize,
* therefore this is where we call the PROM device tree probing
* routine etc. on the Sparc.
*/
#define FDC1 sun_floppy_init()
#define N_FDC 1
#define N_DRIVE 8
/* No 64k boundary crossing problems on the Sparc. */
#define CROSS_64KB(a,s) (0)
/* Routines unique to each controller type on a Sun. */
static void sun_set_dor(unsigned char value, int fdc_82077)
{
if (sparc_cpu_model == sun4c) {
unsigned int bits = 0;
if (value & 0x10)
bits |= AUXIO_FLPY_DSEL;
if ((value & 0x80) == 0)
bits |= AUXIO_FLPY_EJCT;
set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT));
}
if (fdc_82077) {
sun_fdc->dor_82077 = value;
}
}
static unsigned char sun_read_dir(void)
{
if (sparc_cpu_model == sun4c)
return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0;
else
return sun_fdc->dir_82077;
}
static unsigned char sun_82072_fd_inb(int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 4: /* FD_STATUS */
return sun_fdc->status_82072 & ~STATUS_DMA;
case 5: /* FD_DATA */
return sun_fdc->data_82072;
case 7: /* FD_DIR */
return sun_read_dir();
};
panic("sun_82072_fd_inb: How did I get here?");
}
static void sun_82072_fd_outb(unsigned char value, int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 2: /* FD_DOR */
sun_set_dor(value, 0);
break;
case 5: /* FD_DATA */
sun_fdc->data_82072 = value;
break;
case 7: /* FD_DCR */
sun_fdc->dcr_82072 = value;
break;
case 4: /* FD_STATUS */
sun_fdc->status_82072 = value;
break;
};
return;
}
static unsigned char sun_82077_fd_inb(int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 0: /* FD_STATUS_0 */
return sun_fdc->status1_82077;
case 1: /* FD_STATUS_1 */
return sun_fdc->status2_82077;
case 2: /* FD_DOR */
return sun_fdc->dor_82077;
case 3: /* FD_TDR */
return sun_fdc->tapectl_82077;
case 4: /* FD_STATUS */
return sun_fdc->status_82077 & ~STATUS_DMA;
case 5: /* FD_DATA */
return sun_fdc->data_82077;
case 7: /* FD_DIR */
return sun_read_dir();
};
panic("sun_82077_fd_inb: How did I get here?");
}
static void sun_82077_fd_outb(unsigned char value, int port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
case 2: /* FD_DOR */
sun_set_dor(value, 1);
break;
case 5: /* FD_DATA */
sun_fdc->data_82077 = value;
break;
case 7: /* FD_DCR */
sun_fdc->dcr_82077 = value;
break;
case 4: /* FD_STATUS */
sun_fdc->status_82077 = value;
break;
case 3: /* FD_TDR */
sun_fdc->tapectl_82077 = value;
break;
};
return;
}
/* For pseudo-dma (Sun floppy drives have no real DMA available to
* them so we must eat the data fifo bytes directly ourselves) we have
* three state variables. doing_pdma tells our inline low-level
* assembly floppy interrupt entry point whether it should sit and eat
* bytes from the fifo or just transfer control up to the higher level
* floppy interrupt c-code. I tried very hard but I could not get the
* pseudo-dma to work in c-code without getting many overruns and
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
extern char *pdma_vaddr;
extern unsigned long pdma_size;
extern volatile int doing_pdma;
/* This is software state */
extern char *pdma_base;
extern unsigned long pdma_areasize;
/* Common routines to all controller types on the Sparc. */
static inline void virtual_dma_init(void)
{
/* nothing... */
}
static inline void sun_fd_disable_dma(void)
{
doing_pdma = 0;
if (pdma_base) {
mmu_unlockarea(pdma_base, pdma_areasize);
pdma_base = NULL;
}
}
static inline void sun_fd_set_dma_mode(int mode)
{
switch(mode) {
case DMA_MODE_READ:
doing_pdma = 1;
break;
case DMA_MODE_WRITE:
doing_pdma = 2;
break;
default:
printk("Unknown dma mode %d\n", mode);
panic("floppy: Giving up...");
}
}
static inline void sun_fd_set_dma_addr(char *buffer)
{
pdma_vaddr = buffer;
}
static inline void sun_fd_set_dma_count(int length)
{
pdma_size = length;
}
static inline void sun_fd_enable_dma(void)
{
pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
pdma_base = pdma_vaddr;
pdma_areasize = pdma_size;
}
/* Our low-level entry point in arch/sparc/kernel/entry.S */
extern int sparc_floppy_request_irq(int irq, unsigned long flags,
irq_handler_t irq_handler);
static int sun_fd_request_irq(void)
{
static int once = 0;
int error;
if(!once) {
once = 1;
error = sparc_floppy_request_irq(FLOPPY_IRQ,
IRQF_DISABLED,
floppy_interrupt);
return ((error == 0) ? 0 : -1);
} else return 0;
}
static struct linux_prom_registers fd_regs[2];
static int sun_floppy_init(void)
{
char state[128];
int tnode, fd_node, num_regs;
struct resource r;
use_virtual_dma = 1;
FLOPPY_IRQ = 11;
/* Forget it if we aren't on a machine that could possibly
* ever have a floppy drive.
*/
if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) ||
((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) ||
(idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) {
/* We certainly don't have a floppy controller. */
goto no_sun_fdc;
}
/* Well, try to find one. */
tnode = prom_getchild(prom_root_node);
fd_node = prom_searchsiblings(tnode, "obio");
if(fd_node != 0) {
tnode = prom_getchild(fd_node);
fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo");
} else {
fd_node = prom_searchsiblings(tnode, "fd");
}
if(fd_node == 0) {
goto no_sun_fdc;
}
/* The sun4m lets us know if the controller is actually usable. */
if(sparc_cpu_model == sun4m &&
prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
if(!strcmp(state, "disabled")) {
goto no_sun_fdc;
}
}
num_regs = prom_getproperty(fd_node, "reg", (char *) fd_regs, sizeof(fd_regs));
num_regs = (num_regs / sizeof(fd_regs[0]));
prom_apply_obio_ranges(fd_regs, num_regs);
memset(&r, 0, sizeof(r));
r.flags = fd_regs[0].which_io;
r.start = fd_regs[0].phys_addr;
sun_fdc = (struct sun_flpy_controller *)
sbus_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
/* Last minute sanity check... */
if(sun_fdc->status_82072 == 0xff) {
sun_fdc = NULL;
goto no_sun_fdc;
}
sun_fdops.fd_inb = sun_82077_fd_inb;
sun_fdops.fd_outb = sun_82077_fd_outb;
fdc_status = &sun_fdc->status_82077;
if (sun_fdc->dor_82077 == 0x80) {
sun_fdc->dor_82077 = 0x02;
if (sun_fdc->dor_82077 == 0x80) {
sun_fdops.fd_inb = sun_82072_fd_inb;
sun_fdops.fd_outb = sun_82072_fd_outb;
fdc_status = &sun_fdc->status_82072;
}
}
/* Success... */
allowed_drive_mask = 0x01;
return (int) sun_fdc;
no_sun_fdc:
return -1;
}
static int sparc_eject(void)
{
set_dor(0x00, 0xff, 0x90);
udelay(500);
set_dor(0x00, 0x6f, 0x00);
udelay(500);
return 0;
}
#define fd_eject(drive) sparc_eject()
#define EXTRA_FLOPPY_PARAMS
#endif /* !(__ASM_SPARC_FLOPPY_H) */

782
include/asm-sparc/floppy_64.h 100644
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@ -0,0 +1,782 @@
/* floppy.h: Sparc specific parts of the Floppy driver.
*
* Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*
* Ultra/PCI support added: Sep 1997 Eddie C. Dost (ecd@skynet.be)
*/
#ifndef __ASM_SPARC64_FLOPPY_H
#define __ASM_SPARC64_FLOPPY_H
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/idprom.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
#include <asm/sbus.h>
#include <asm/irq.h>
/*
* Define this to enable exchanging drive 0 and 1 if only drive 1 is
* probed on PCI machines.
*/
#undef PCI_FDC_SWAP_DRIVES
/* References:
* 1) Netbsd Sun floppy driver.
* 2) NCR 82077 controller manual
* 3) Intel 82077 controller manual
*/
struct sun_flpy_controller {
volatile unsigned char status1_82077; /* Auxiliary Status reg. 1 */
volatile unsigned char status2_82077; /* Auxiliary Status reg. 2 */
volatile unsigned char dor_82077; /* Digital Output reg. */
volatile unsigned char tapectl_82077; /* Tape Control reg */
volatile unsigned char status_82077; /* Main Status Register. */
#define drs_82077 status_82077 /* Digital Rate Select reg. */
volatile unsigned char data_82077; /* Data fifo. */
volatile unsigned char ___unused;
volatile unsigned char dir_82077; /* Digital Input reg. */
#define dcr_82077 dir_82077 /* Config Control reg. */
};
/* You'll only ever find one controller on an Ultra anyways. */
static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1;
unsigned long fdc_status;
static struct sbus_dev *floppy_sdev = NULL;
struct sun_floppy_ops {
unsigned char (*fd_inb) (unsigned long port);
void (*fd_outb) (unsigned char value, unsigned long port);
void (*fd_enable_dma) (void);
void (*fd_disable_dma) (void);
void (*fd_set_dma_mode) (int);
void (*fd_set_dma_addr) (char *);
void (*fd_set_dma_count) (int);
unsigned int (*get_dma_residue) (void);
int (*fd_request_irq) (void);
void (*fd_free_irq) (void);
int (*fd_eject) (int);
};
static struct sun_floppy_ops sun_fdops;
#define fd_inb(port) sun_fdops.fd_inb(port)
#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
#define fd_enable_dma() sun_fdops.fd_enable_dma()
#define fd_disable_dma() sun_fdops.fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
#define fd_free_dma() /* nothing... */
#define fd_clear_dma_ff() /* nothing... */
#define fd_set_dma_mode(mode) sun_fdops.fd_set_dma_mode(mode)
#define fd_set_dma_addr(addr) sun_fdops.fd_set_dma_addr(addr)
#define fd_set_dma_count(count) sun_fdops.fd_set_dma_count(count)
#define get_dma_residue(x) sun_fdops.get_dma_residue()
#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fdops.fd_request_irq()
#define fd_free_irq() sun_fdops.fd_free_irq()
#define fd_eject(drive) sun_fdops.fd_eject(drive)
/* Super paranoid... */
#undef HAVE_DISABLE_HLT
static int sun_floppy_types[2] = { 0, 0 };
/* Here is where we catch the floppy driver trying to initialize,
* therefore this is where we call the PROM device tree probing
* routine etc. on the Sparc.
*/
#define FLOPPY0_TYPE sun_floppy_init()
#define FLOPPY1_TYPE sun_floppy_types[1]
#define FDC1 ((unsigned long)sun_fdc)
#define N_FDC 1
#define N_DRIVE 8
/* No 64k boundary crossing problems on the Sparc. */
#define CROSS_64KB(a,s) (0)
static unsigned char sun_82077_fd_inb(unsigned long port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to read unknown port %lx\n", port);
panic("floppy: Port bolixed.");
case 4: /* FD_STATUS */
return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA;
case 5: /* FD_DATA */
return sbus_readb(&sun_fdc->data_82077);
case 7: /* FD_DIR */
/* XXX: Is DCL on 0x80 in sun4m? */
return sbus_readb(&sun_fdc->dir_82077);
};
panic("sun_82072_fd_inb: How did I get here?");
}
static void sun_82077_fd_outb(unsigned char value, unsigned long port)
{
udelay(5);
switch(port & 7) {
default:
printk("floppy: Asked to write to unknown port %lx\n", port);
panic("floppy: Port bolixed.");
case 2: /* FD_DOR */
/* Happily, the 82077 has a real DOR register. */
sbus_writeb(value, &sun_fdc->dor_82077);
break;
case 5: /* FD_DATA */
sbus_writeb(value, &sun_fdc->data_82077);
break;
case 7: /* FD_DCR */
sbus_writeb(value, &sun_fdc->dcr_82077);
break;
case 4: /* FD_STATUS */
sbus_writeb(value, &sun_fdc->status_82077);
break;
};
return;
}
/* For pseudo-dma (Sun floppy drives have no real DMA available to
* them so we must eat the data fifo bytes directly ourselves) we have
* three state variables. doing_pdma tells our inline low-level
* assembly floppy interrupt entry point whether it should sit and eat
* bytes from the fifo or just transfer control up to the higher level
* floppy interrupt c-code. I tried very hard but I could not get the
* pseudo-dma to work in c-code without getting many overruns and
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
unsigned char *pdma_vaddr;
unsigned long pdma_size;
volatile int doing_pdma = 0;
/* This is software state */
char *pdma_base = NULL;
unsigned long pdma_areasize;
/* Common routines to all controller types on the Sparc. */
static void sun_fd_disable_dma(void)
{
doing_pdma = 0;
if (pdma_base) {
mmu_unlockarea(pdma_base, pdma_areasize);
pdma_base = NULL;
}
}
static void sun_fd_set_dma_mode(int mode)
{
switch(mode) {
case DMA_MODE_READ:
doing_pdma = 1;
break;
case DMA_MODE_WRITE:
doing_pdma = 2;
break;
default:
printk("Unknown dma mode %d\n", mode);
panic("floppy: Giving up...");
}
}
static void sun_fd_set_dma_addr(char *buffer)
{
pdma_vaddr = buffer;
}
static void sun_fd_set_dma_count(int length)
{
pdma_size = length;
}
static void sun_fd_enable_dma(void)
{
pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
pdma_base = pdma_vaddr;
pdma_areasize = pdma_size;
}
irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie)
{
if (likely(doing_pdma)) {
void __iomem *stat = (void __iomem *) fdc_status;
unsigned char *vaddr = pdma_vaddr;
unsigned long size = pdma_size;
u8 val;
while (size) {
val = readb(stat);
if (unlikely(!(val & 0x80))) {
pdma_vaddr = vaddr;
pdma_size = size;
return IRQ_HANDLED;
}
if (unlikely(!(val & 0x20))) {
pdma_vaddr = vaddr;
pdma_size = size;
doing_pdma = 0;
goto main_interrupt;
}
if (val & 0x40) {
/* read */
*vaddr++ = readb(stat + 1);
} else {
unsigned char data = *vaddr++;
/* write */
writeb(data, stat + 1);
}
size--;
}
pdma_vaddr = vaddr;
pdma_size = size;
/* Send Terminal Count pulse to floppy controller. */
val = readb(auxio_register);
val |= AUXIO_AUX1_FTCNT;
writeb(val, auxio_register);
val &= ~AUXIO_AUX1_FTCNT;
writeb(val, auxio_register);
doing_pdma = 0;
}
main_interrupt:
return floppy_interrupt(irq, dev_cookie);
}
static int sun_fd_request_irq(void)
{
static int once = 0;
int error;
if(!once) {
once = 1;
error = request_irq(FLOPPY_IRQ, sparc_floppy_irq,
IRQF_DISABLED, "floppy", NULL);
return ((error == 0) ? 0 : -1);
}
return 0;
}
static void sun_fd_free_irq(void)
{
}
static unsigned int sun_get_dma_residue(void)
{
/* XXX This isn't really correct. XXX */
return 0;
}
static int sun_fd_eject(int drive)
{
set_dor(0x00, 0xff, 0x90);
udelay(500);
set_dor(0x00, 0x6f, 0x00);
udelay(500);
return 0;
}
#ifdef CONFIG_PCI
#include <asm/ebus.h>
#include <asm/ns87303.h>
static struct ebus_dma_info sun_pci_fd_ebus_dma;
static struct pci_dev *sun_pci_ebus_dev;
static int sun_pci_broken_drive = -1;
struct sun_pci_dma_op {
unsigned int addr;
int len;
int direction;
char *buf;
};
static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL};
static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL};
extern irqreturn_t floppy_interrupt(int irq, void *dev_id);
static unsigned char sun_pci_fd_inb(unsigned long port)
{
udelay(5);
return inb(port);
}
static void sun_pci_fd_outb(unsigned char val, unsigned long port)
{
udelay(5);
outb(val, port);
}
static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
{
udelay(5);
/*
* XXX: Due to SUN's broken floppy connector on AX and AXi
* we need to turn on MOTOR_0 also, if the floppy is
* jumpered to DS1 (like most PC floppies are). I hope
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
if (port == ((unsigned long)sun_fdc) + 2) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) {
val |= 0x10;
}
}
outb(val, port);
}
#ifdef PCI_FDC_SWAP_DRIVES
static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
{
udelay(5);
/*
* XXX: Due to SUN's broken floppy connector on AX and AXi
* we need to turn on MOTOR_0 also, if the floppy is
* jumpered to DS1 (like most PC floppies are). I hope
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
if (port == ((unsigned long)sun_fdc) + 2) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) {
val &= ~(0x03);
val |= 0x21;
}
}
outb(val, port);
}
#endif /* PCI_FDC_SWAP_DRIVES */
static void sun_pci_fd_enable_dma(void)
{
BUG_ON((NULL == sun_pci_dma_pending.buf) ||
(0 == sun_pci_dma_pending.len) ||
(0 == sun_pci_dma_pending.direction));
sun_pci_dma_current.buf = sun_pci_dma_pending.buf;
sun_pci_dma_current.len = sun_pci_dma_pending.len;
sun_pci_dma_current.direction = sun_pci_dma_pending.direction;
sun_pci_dma_pending.buf = NULL;
sun_pci_dma_pending.len = 0;
sun_pci_dma_pending.direction = 0;
sun_pci_dma_pending.addr = -1U;
sun_pci_dma_current.addr =
pci_map_single(sun_pci_ebus_dev,
sun_pci_dma_current.buf,
sun_pci_dma_current.len,
sun_pci_dma_current.direction);
ebus_dma_enable(&sun_pci_fd_ebus_dma, 1);
if (ebus_dma_request(&sun_pci_fd_ebus_dma,
sun_pci_dma_current.addr,
sun_pci_dma_current.len))
BUG();
}
static void sun_pci_fd_disable_dma(void)
{
ebus_dma_enable(&sun_pci_fd_ebus_dma, 0);
if (sun_pci_dma_current.addr != -1U)
pci_unmap_single(sun_pci_ebus_dev,
sun_pci_dma_current.addr,
sun_pci_dma_current.len,
sun_pci_dma_current.direction);
sun_pci_dma_current.addr = -1U;
}
static void sun_pci_fd_set_dma_mode(int mode)
{
if (mode == DMA_MODE_WRITE)
sun_pci_dma_pending.direction = PCI_DMA_TODEVICE;
else
sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE;
ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE);
}
static void sun_pci_fd_set_dma_count(int length)
{
sun_pci_dma_pending.len = length;
}
static void sun_pci_fd_set_dma_addr(char *buffer)
{
sun_pci_dma_pending.buf = buffer;
}
static unsigned int sun_pci_get_dma_residue(void)
{
return ebus_dma_residue(&sun_pci_fd_ebus_dma);
}
static int sun_pci_fd_request_irq(void)
{
return ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 1);
}
static void sun_pci_fd_free_irq(void)
{
ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 0);
}
static int sun_pci_fd_eject(int drive)
{
return -EINVAL;
}
void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie)
{
floppy_interrupt(0, NULL);
}
/*
* Floppy probing, we'd like to use /dev/fd0 for a single Floppy on PCI,
* even if this is configured using DS1, thus looks like /dev/fd1 with
* the cabling used in Ultras.
*/
#define DOR (port + 2)
#define MSR (port + 4)
#define FIFO (port + 5)
static void sun_pci_fd_out_byte(unsigned long port, unsigned char val,
unsigned long reg)
{
unsigned char status;
int timeout = 1000;
while (!((status = inb(MSR)) & 0x80) && --timeout)
udelay(100);
outb(val, reg);
}
static unsigned char sun_pci_fd_sensei(unsigned long port)
{
unsigned char result[2] = { 0x70, 0x00 };
unsigned char status;
int i = 0;
sun_pci_fd_out_byte(port, 0x08, FIFO);
do {
int timeout = 1000;
while (!((status = inb(MSR)) & 0x80) && --timeout)
udelay(100);
if (!timeout)
break;
if ((status & 0xf0) == 0xd0)
result[i++] = inb(FIFO);
else
break;
} while (i < 2);
return result[0];
}
static void sun_pci_fd_reset(unsigned long port)
{
unsigned char mask = 0x00;
unsigned char status;
int timeout = 10000;
outb(0x80, MSR);
do {
status = sun_pci_fd_sensei(port);
if ((status & 0xc0) == 0xc0)
mask |= 1 << (status & 0x03);
else
udelay(100);
} while ((mask != 0x0f) && --timeout);
}
static int sun_pci_fd_test_drive(unsigned long port, int drive)
{
unsigned char status, data;
int timeout = 1000;
int ready;
sun_pci_fd_reset(port);
data = (0x10 << drive) | 0x0c | drive;
sun_pci_fd_out_byte(port, data, DOR);
sun_pci_fd_out_byte(port, 0x07, FIFO);
sun_pci_fd_out_byte(port, drive & 0x03, FIFO);
do {
udelay(100);
status = sun_pci_fd_sensei(port);
} while (((status & 0xc0) == 0x80) && --timeout);
if (!timeout)
ready = 0;
else
ready = (status & 0x10) ? 0 : 1;
sun_pci_fd_reset(port);
return ready;
}
#undef FIFO
#undef MSR
#undef DOR
#endif /* CONFIG_PCI */
#ifdef CONFIG_PCI
static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
{
if (!strcmp(edev->prom_node->name, "fdthree"))
return 1;
if (!strcmp(edev->prom_node->name, "floppy")) {
const char *compat;
compat = of_get_property(edev->prom_node,
"compatible", NULL);
if (compat && !strcmp(compat, "fdthree"))
return 1;
}
return 0;
}
#endif
static unsigned long __init sun_floppy_init(void)
{
char state[128];
struct sbus_bus *bus;
struct sbus_dev *sdev = NULL;
static int initialized = 0;
if (initialized)
return sun_floppy_types[0];
initialized = 1;
for_all_sbusdev (sdev, bus) {
if (!strcmp(sdev->prom_name, "SUNW,fdtwo"))
break;
}
if(sdev) {
floppy_sdev = sdev;
FLOPPY_IRQ = sdev->irqs[0];
} else {
#ifdef CONFIG_PCI
struct linux_ebus *ebus;
struct linux_ebus_device *edev = NULL;
unsigned long config = 0;
void __iomem *auxio_reg;
const char *state_prop;
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
if (ebus_fdthree_p(edev))
goto ebus_done;
}
}
ebus_done:
if (!edev)
return 0;
state_prop = of_get_property(edev->prom_node, "status", NULL);
if (state_prop && !strncmp(state_prop, "disabled", 8))
return 0;
FLOPPY_IRQ = edev->irqs[0];
/* Make sure the high density bit is set, some systems
* (most notably Ultra5/Ultra10) come up with it clear.
*/
auxio_reg = (void __iomem *) edev->resource[2].start;
writel(readl(auxio_reg)|0x2, auxio_reg);
sun_pci_ebus_dev = ebus->self;
spin_lock_init(&sun_pci_fd_ebus_dma.lock);
/* XXX ioremap */
sun_pci_fd_ebus_dma.regs = (void __iomem *)
edev->resource[1].start;
if (!sun_pci_fd_ebus_dma.regs)
return 0;
sun_pci_fd_ebus_dma.flags = (EBUS_DMA_FLAG_USE_EBDMA_HANDLER |
EBUS_DMA_FLAG_TCI_DISABLE);
sun_pci_fd_ebus_dma.callback = sun_pci_fd_dma_callback;
sun_pci_fd_ebus_dma.client_cookie = NULL;
sun_pci_fd_ebus_dma.irq = FLOPPY_IRQ;
strcpy(sun_pci_fd_ebus_dma.name, "floppy");
if (ebus_dma_register(&sun_pci_fd_ebus_dma))
return 0;
/* XXX ioremap */
sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start;
sun_fdops.fd_inb = sun_pci_fd_inb;
sun_fdops.fd_outb = sun_pci_fd_outb;
can_use_virtual_dma = use_virtual_dma = 0;
sun_fdops.fd_enable_dma = sun_pci_fd_enable_dma;
sun_fdops.fd_disable_dma = sun_pci_fd_disable_dma;
sun_fdops.fd_set_dma_mode = sun_pci_fd_set_dma_mode;
sun_fdops.fd_set_dma_addr = sun_pci_fd_set_dma_addr;
sun_fdops.fd_set_dma_count = sun_pci_fd_set_dma_count;
sun_fdops.get_dma_residue = sun_pci_get_dma_residue;
sun_fdops.fd_request_irq = sun_pci_fd_request_irq;
sun_fdops.fd_free_irq = sun_pci_fd_free_irq;
sun_fdops.fd_eject = sun_pci_fd_eject;
fdc_status = (unsigned long) &sun_fdc->status_82077;
/*
* XXX: Find out on which machines this is really needed.
*/
if (1) {
sun_pci_broken_drive = 1;
sun_fdops.fd_outb = sun_pci_fd_broken_outb;
}
allowed_drive_mask = 0;
if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 0))
sun_floppy_types[0] = 4;
if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 1))
sun_floppy_types[1] = 4;
/*
* Find NS87303 SuperIO config registers (through ecpp).
*/
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
if (!strcmp(edev->prom_node->name, "ecpp")) {
config = edev->resource[1].start;
goto config_done;
}
}
}
config_done:
/*
* Sanity check, is this really the NS87303?
*/
switch (config & 0x3ff) {
case 0x02e:
case 0x15c:
case 0x26e:
case 0x398:
break;
default:
config = 0;
}
if (!config)
return sun_floppy_types[0];
/* Enable PC-AT mode. */
ns87303_modify(config, ASC, 0, 0xc0);
#ifdef PCI_FDC_SWAP_DRIVES
/*
* If only Floppy 1 is present, swap drives.
*/
if (!sun_floppy_types[0] && sun_floppy_types[1]) {
/*
* Set the drive exchange bit in FCR on NS87303,
* make sure other bits are sane before doing so.
*/
ns87303_modify(config, FER, FER_EDM, 0);
ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);
ns87303_modify(config, FCR, 0, FCR_LDE);
config = sun_floppy_types[0];
sun_floppy_types[0] = sun_floppy_types[1];
sun_floppy_types[1] = config;
if (sun_pci_broken_drive != -1) {
sun_pci_broken_drive = 1 - sun_pci_broken_drive;
sun_fdops.fd_outb = sun_pci_fd_lde_broken_outb;
}
}
#endif /* PCI_FDC_SWAP_DRIVES */
return sun_floppy_types[0];
#else
return 0;
#endif
}
prom_getproperty(sdev->prom_node, "status", state, sizeof(state));
if(!strncmp(state, "disabled", 8))
return 0;
/*
* We cannot do sbus_ioremap here: it does request_region,
* which the generic floppy driver tries to do once again.
* But we must use the sdev resource values as they have
* had parent ranges applied.
*/
sun_fdc = (struct sun_flpy_controller *)
(sdev->resource[0].start +
((sdev->resource[0].flags & 0x1ffUL) << 32UL));
/* Last minute sanity check... */
if(sbus_readb(&sun_fdc->status1_82077) == 0xff) {
sun_fdc = (struct sun_flpy_controller *)-1;
return 0;
}
sun_fdops.fd_inb = sun_82077_fd_inb;
sun_fdops.fd_outb = sun_82077_fd_outb;
can_use_virtual_dma = use_virtual_dma = 1;
sun_fdops.fd_enable_dma = sun_fd_enable_dma;
sun_fdops.fd_disable_dma = sun_fd_disable_dma;
sun_fdops.fd_set_dma_mode = sun_fd_set_dma_mode;
sun_fdops.fd_set_dma_addr = sun_fd_set_dma_addr;
sun_fdops.fd_set_dma_count = sun_fd_set_dma_count;
sun_fdops.get_dma_residue = sun_get_dma_residue;
sun_fdops.fd_request_irq = sun_fd_request_irq;
sun_fdops.fd_free_irq = sun_fd_free_irq;
sun_fdops.fd_eject = sun_fd_eject;
fdc_status = (unsigned long) &sun_fdc->status_82077;
/* Success... */
allowed_drive_mask = 0x01;
sun_floppy_types[0] = 4;
sun_floppy_types[1] = 0;
return sun_floppy_types[0];
}
#define EXTRA_FLOPPY_PARAMS
static DEFINE_SPINLOCK(dma_spin_lock);
#define claim_dma_lock() \
({ unsigned long flags; \
spin_lock_irqsave(&dma_spin_lock, flags); \
flags; \
})
#define release_dma_lock(__flags) \
spin_unlock_irqrestore(&dma_spin_lock, __flags);
#endif /* !(__ASM_SPARC64_FLOPPY_H) */

12
include/asm-sparc/futex.h
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@ -1,6 +1,8 @@
#ifndef _ASM_FUTEX_H
#define _ASM_FUTEX_H
#include <asm-generic/futex.h>
#ifndef ___ASM_SPARC_FUTEX_H
#define ___ASM_SPARC_FUTEX_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/futex_64.h>
#else
#include <asm-sparc/futex_32.h>
#endif
#endif

6
include/asm-sparc/futex_32.h 100644
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@ -0,0 +1,6 @@
#ifndef _ASM_FUTEX_H
#define _ASM_FUTEX_H
#include <asm-generic/futex.h>
#endif

110
include/asm-sparc/futex_64.h 100644
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@ -0,0 +1,110 @@
#ifndef _SPARC64_FUTEX_H
#define _SPARC64_FUTEX_H
#include <linux/futex.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
#include <asm/system.h>
#define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \
__asm__ __volatile__( \
"\n1: lduwa [%3] %%asi, %2\n" \
" " insn "\n" \
"2: casa [%3] %%asi, %2, %1\n" \
" cmp %2, %1\n" \
" bne,pn %%icc, 1b\n" \
" mov 0, %0\n" \
"3:\n" \
" .section .fixup,#alloc,#execinstr\n" \
" .align 4\n" \
"4: sethi %%hi(3b), %0\n" \
" jmpl %0 + %%lo(3b), %%g0\n" \
" mov %5, %0\n" \
" .previous\n" \
" .section __ex_table,\"a\"\n" \
" .align 4\n" \
" .word 1b, 4b\n" \
" .word 2b, 4b\n" \
" .previous\n" \
: "=&r" (ret), "=&r" (oldval), "=&r" (tem) \
: "r" (uaddr), "r" (oparg), "i" (-EFAULT) \
: "memory")
static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
{
int op = (encoded_op >> 28) & 7;
int cmp = (encoded_op >> 24) & 15;
int oparg = (encoded_op << 8) >> 20;
int cmparg = (encoded_op << 20) >> 20;
int oldval = 0, ret, tem;
if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int))))
return -EFAULT;
if (unlikely((((unsigned long) uaddr) & 0x3UL)))
return -EINVAL;
if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
oparg = 1 << oparg;
pagefault_disable();
switch (op) {
case FUTEX_OP_SET:
__futex_cas_op("mov\t%4, %1", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ADD:
__futex_cas_op("add\t%2, %4, %1", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_OR:
__futex_cas_op("or\t%2, %4, %1", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ANDN:
__futex_cas_op("and\t%2, %4, %1", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_XOR:
__futex_cas_op("xor\t%2, %4, %1", ret, oldval, uaddr, oparg);
break;
default:
ret = -ENOSYS;
}
pagefault_enable();
if (!ret) {
switch (cmp) {
case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
default: ret = -ENOSYS;
}
}
return ret;
}
static inline int
futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
{
__asm__ __volatile__(
"\n1: casa [%3] %%asi, %2, %0\n"
"2:\n"
" .section .fixup,#alloc,#execinstr\n"
" .align 4\n"
"3: sethi %%hi(2b), %0\n"
" jmpl %0 + %%lo(2b), %%g0\n"
" mov %4, %0\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .align 4\n"
" .word 1b, 3b\n"
" .previous\n"
: "=r" (newval)
: "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT)
: "memory");
return newval;
}
#endif /* !(_SPARC64_FUTEX_H) */

31
include/asm-sparc/hardirq.h
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@ -1,23 +1,8 @@
/* hardirq.h: 32-bit Sparc hard IRQ support.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org)
*/
#ifndef __SPARC_HARDIRQ_H
#define __SPARC_HARDIRQ_H
#include <linux/threads.h>
#include <linux/spinlock.h>
#include <linux/cache.h>
/* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */
typedef struct {
unsigned int __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#define HARDIRQ_BITS 8
#endif /* __SPARC_HARDIRQ_H */
#ifndef ___ASM_SPARC_HARDIRQ_H
#define ___ASM_SPARC_HARDIRQ_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/hardirq_64.h>
#else
#include <asm-sparc/hardirq_32.h>
#endif
#endif

23
include/asm-sparc/hardirq_32.h 100644
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@ -0,0 +1,23 @@
/* hardirq.h: 32-bit Sparc hard IRQ support.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org)
*/
#ifndef __SPARC_HARDIRQ_H
#define __SPARC_HARDIRQ_H
#include <linux/threads.h>
#include <linux/spinlock.h>
#include <linux/cache.h>
/* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */
typedef struct {
unsigned int __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#define HARDIRQ_BITS 8
#endif /* __SPARC_HARDIRQ_H */

19
include/asm-sparc/hardirq_64.h 100644
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@ -0,0 +1,19 @@
/* hardirq.h: 64-bit Sparc hard IRQ support.
*
* Copyright (C) 1997, 1998, 2005 David S. Miller (davem@davemloft.net)
*/
#ifndef __SPARC64_HARDIRQ_H
#define __SPARC64_HARDIRQ_H
#include <asm/cpudata.h>
#define __ARCH_IRQ_STAT
#define local_softirq_pending() \
(local_cpu_data().__softirq_pending)
void ack_bad_irq(unsigned int irq);
#define HARDIRQ_BITS 8
#endif /* !(__SPARC64_HARDIRQ_H) */

106
include/asm-sparc/head.h
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@ -1,102 +1,8 @@
#ifndef __SPARC_HEAD_H
#define __SPARC_HEAD_H
#define KERNBASE 0xf0000000 /* First address the kernel will eventually be */
#define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */
#define SUN4C_SEGSZ (1 << 18)
#define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2) /* Used in boot remapping. */
#define INTS_ENAB 0x01 /* entry.S uses this. */
#define SUN4_PROM_VECTOR 0xFFE81000 /* SUN4 PROM needs to be hardwired */
#define WRITE_PAUSE nop; nop; nop; /* Have to do this after %wim/%psr chg */
#define NOP_INSN 0x01000000 /* Used to patch sparc_save_state */
/* Here are some trap goodies */
/* Generic trap entry. */
#define TRAP_ENTRY(type, label) \
rd %psr, %l0; b label; rd %wim, %l3; nop;
/* Data/text faults. Defaults to sun4c version at boot time. */
#define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7;
#define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7;
#define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7;
#define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7;
/* This is for traps we should NEVER get. */
#define BAD_TRAP(num) \
rd %psr, %l0; mov num, %l7; b bad_trap_handler; rd %wim, %l3;
/* This is for traps when we want just skip the instruction which caused it */
#define SKIP_TRAP(type, name) \
jmpl %l2, %g0; rett %l2 + 4; nop; nop;
/* Notice that for the system calls we pull a trick. We load up a
* different pointer to the system call vector table in %l7, but call
* the same generic system call low-level entry point. The trap table
* entry sequences are also HyperSparc pipeline friendly ;-)
*/
/* Software trap for Linux system calls. */
#define LINUX_SYSCALL_TRAP \
sethi %hi(sys_call_table), %l7; \
or %l7, %lo(sys_call_table), %l7; \
b linux_sparc_syscall; \
rd %psr, %l0;
#define BREAKPOINT_TRAP \
b breakpoint_trap; \
rd %psr,%l0; \
nop; \
nop;
#ifdef CONFIG_KGDB
#define KGDB_TRAP(num) \
b kgdb_trap_low; \
rd %psr,%l0; \
nop; \
nop;
#ifndef ___ASM_SPARC_HEAD_H
#define ___ASM_SPARC_HEAD_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/head_64.h>
#else
#define KGDB_TRAP(num) \
BAD_TRAP(num)
#include <asm-sparc/head_32.h>
#endif
#endif
/* The Get Condition Codes software trap for userland. */
#define GETCC_TRAP \
b getcc_trap_handler; mov %psr, %l0; nop; nop;
/* The Set Condition Codes software trap for userland. */
#define SETCC_TRAP \
b setcc_trap_handler; mov %psr, %l0; nop; nop;
/* The Get PSR software trap for userland. */
#define GETPSR_TRAP \
mov %psr, %i0; jmp %l2; rett %l2 + 4; nop;
/* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and
* gets handled with another macro.
*/
#define TRAP_ENTRY_INTERRUPT(int_level) \
mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3;
/* NMI's (Non Maskable Interrupts) are special, you can't keep them
* from coming in, and basically if you get one, the shows over. ;(
* On the sun4c they are usually asynchronous memory errors, on the
* the sun4m they could be either due to mem errors or a software
* initiated interrupt from the prom/kern on an SMP box saying "I
* command you to do CPU tricks, read your mailbox for more info."
*/
#define NMI_TRAP \
rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop;
/* Window overflows/underflows are special and we need to try to be as
* efficient as possible here....
*/
#define WINDOW_SPILL \
rd %psr, %l0; rd %wim, %l3; b spill_window_entry; andcc %l0, PSR_PS, %g0;
#define WINDOW_FILL \
rd %psr, %l0; rd %wim, %l3; b fill_window_entry; andcc %l0, PSR_PS, %g0;
#endif /* __SPARC_HEAD_H */

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#ifndef __SPARC_HEAD_H
#define __SPARC_HEAD_H
#define KERNBASE 0xf0000000 /* First address the kernel will eventually be */
#define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */
#define SUN4C_SEGSZ (1 << 18)
#define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2) /* Used in boot remapping. */
#define INTS_ENAB 0x01 /* entry.S uses this. */
#define SUN4_PROM_VECTOR 0xFFE81000 /* SUN4 PROM needs to be hardwired */
#define WRITE_PAUSE nop; nop; nop; /* Have to do this after %wim/%psr chg */
#define NOP_INSN 0x01000000 /* Used to patch sparc_save_state */
/* Here are some trap goodies */
/* Generic trap entry. */
#define TRAP_ENTRY(type, label) \
rd %psr, %l0; b label; rd %wim, %l3; nop;
/* Data/text faults. Defaults to sun4c version at boot time. */
#define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7;
#define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7;
#define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7;
#define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7;
/* This is for traps we should NEVER get. */
#define BAD_TRAP(num) \
rd %psr, %l0; mov num, %l7; b bad_trap_handler; rd %wim, %l3;
/* This is for traps when we want just skip the instruction which caused it */
#define SKIP_TRAP(type, name) \
jmpl %l2, %g0; rett %l2 + 4; nop; nop;
/* Notice that for the system calls we pull a trick. We load up a
* different pointer to the system call vector table in %l7, but call
* the same generic system call low-level entry point. The trap table
* entry sequences are also HyperSparc pipeline friendly ;-)
*/
/* Software trap for Linux system calls. */
#define LINUX_SYSCALL_TRAP \
sethi %hi(sys_call_table), %l7; \
or %l7, %lo(sys_call_table), %l7; \
b linux_sparc_syscall; \
rd %psr, %l0;
#define BREAKPOINT_TRAP \
b breakpoint_trap; \
rd %psr,%l0; \
nop; \
nop;
#ifdef CONFIG_KGDB
#define KGDB_TRAP(num) \
b kgdb_trap_low; \
rd %psr,%l0; \
nop; \
nop;
#else
#define KGDB_TRAP(num) \
BAD_TRAP(num)
#endif
/* The Get Condition Codes software trap for userland. */
#define GETCC_TRAP \
b getcc_trap_handler; mov %psr, %l0; nop; nop;
/* The Set Condition Codes software trap for userland. */
#define SETCC_TRAP \
b setcc_trap_handler; mov %psr, %l0; nop; nop;
/* The Get PSR software trap for userland. */
#define GETPSR_TRAP \
mov %psr, %i0; jmp %l2; rett %l2 + 4; nop;
/* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and
* gets handled with another macro.
*/
#define TRAP_ENTRY_INTERRUPT(int_level) \
mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3;
/* NMI's (Non Maskable Interrupts) are special, you can't keep them
* from coming in, and basically if you get one, the shows over. ;(
* On the sun4c they are usually asynchronous memory errors, on the
* the sun4m they could be either due to mem errors or a software
* initiated interrupt from the prom/kern on an SMP box saying "I
* command you to do CPU tricks, read your mailbox for more info."
*/
#define NMI_TRAP \
rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop;
/* Window overflows/underflows are special and we need to try to be as
* efficient as possible here....
*/
#define WINDOW_SPILL \
rd %psr, %l0; rd %wim, %l3; b spill_window_entry; andcc %l0, PSR_PS, %g0;
#define WINDOW_FILL \
rd %psr, %l0; rd %wim, %l3; b fill_window_entry; andcc %l0, PSR_PS, %g0;
#endif /* __SPARC_HEAD_H */

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#ifndef _SPARC64_HEAD_H
#define _SPARC64_HEAD_H
#include <asm/pstate.h>
/* wrpr %g0, val, %gl */
#define SET_GL(val) \
.word 0xa1902000 | val
/* rdpr %gl, %gN */
#define GET_GL_GLOBAL(N) \
.word 0x81540000 | (N << 25)
#define KERNBASE 0x400000
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
#define __CHEETAH_ID 0x003e0014
#define __JALAPENO_ID 0x003e0016
#define __SERRANO_ID 0x003e0022
#define CHEETAH_MANUF 0x003e
#define CHEETAH_IMPL 0x0014 /* Ultra-III */
#define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */
#define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */
#define JAGUAR_IMPL 0x0018 /* Ultra-IV */
#define PANTHER_IMPL 0x0019 /* Ultra-IV+ */
#define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */
#define BRANCH_IF_SUN4V(tmp1,label) \
sethi %hi(is_sun4v), %tmp1; \
lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \
brnz,pn %tmp1, label; \
nop
#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
rdpr %ver, %tmp1; \
sethi %hi(__CHEETAH_ID), %tmp2; \
srlx %tmp1, 32, %tmp1; \
or %tmp2, %lo(__CHEETAH_ID), %tmp2;\
cmp %tmp1, %tmp2; \
be,pn %icc, label; \
nop;
#define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \
rdpr %ver, %tmp1; \
sethi %hi(__JALAPENO_ID), %tmp2; \
srlx %tmp1, 32, %tmp1; \
or %tmp2, %lo(__JALAPENO_ID), %tmp2;\
cmp %tmp1, %tmp2; \
be,pn %icc, label; \
nop;
#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \
rdpr %ver, %tmp1; \
srlx %tmp1, (32 + 16), %tmp2; \
cmp %tmp2, CHEETAH_MANUF; \
bne,pt %xcc, 99f; \
sllx %tmp1, 16, %tmp1; \
srlx %tmp1, (32 + 16), %tmp2; \
cmp %tmp2, CHEETAH_PLUS_IMPL; \
bgeu,pt %xcc, label; \
99: nop;
#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \
rdpr %ver, %tmp1; \
srlx %tmp1, (32 + 16), %tmp2; \
cmp %tmp2, CHEETAH_MANUF; \
bne,pt %xcc, 99f; \
sllx %tmp1, 16, %tmp1; \
srlx %tmp1, (32 + 16), %tmp2; \
cmp %tmp2, CHEETAH_IMPL; \
bgeu,pt %xcc, label; \
99: nop;
#endif /* !(_SPARC64_HEAD_H) */

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/* ide.h: SPARC PCI specific IDE glue.
*
* Copyright (C) 1997 David S. Miller (davem@davemloft.net)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
* Adaptation from sparc64 version to sparc by Pete Zaitcev.
*/
#ifndef _SPARC_IDE_H
#define _SPARC_IDE_H
#ifdef __KERNEL__
#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/psr.h>
#undef MAX_HWIFS
#define MAX_HWIFS 2
#define __ide_insl(data_reg, buffer, wcount) \
__ide_insw(data_reg, buffer, (wcount)<<1)
#define __ide_outsl(data_reg, buffer, wcount) \
__ide_outsw(data_reg, buffer, (wcount)<<1)
/* On sparc, I/O ports and MMIO registers are accessed identically. */
#define __ide_mm_insw __ide_insw
#define __ide_mm_insl __ide_insl
#define __ide_mm_outsw __ide_outsw
#define __ide_mm_outsl __ide_outsl
static inline void __ide_insw(unsigned long port,
void *dst,
unsigned long count)
{
volatile unsigned short *data_port;
/* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */
u16 *ps = dst;
u32 *pi;
data_port = (volatile unsigned short *)port;
if(((unsigned long)ps) & 0x2) {
*ps++ = *data_port;
count--;
}
pi = (u32 *)ps;
while(count >= 2) {
u32 w;
w = (*data_port) << 16;
w |= (*data_port);
*pi++ = w;
count -= 2;
}
ps = (u16 *)pi;
if(count)
*ps++ = *data_port;
/* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */
}
static inline void __ide_outsw(unsigned long port,
const void *src,
unsigned long count)
{
volatile unsigned short *data_port;
/* unsigned long end = (unsigned long)src + (count << 1); */
const u16 *ps = src;
const u32 *pi;
data_port = (volatile unsigned short *)port;
if(((unsigned long)src) & 0x2) {
*data_port = *ps++;
count--;
}
pi = (const u32 *)ps;
while(count >= 2) {
u32 w;
w = *pi++;
*data_port = (w >> 16);
*data_port = w;
count -= 2;
}
ps = (const u16 *)pi;
if(count)
*data_port = *ps;
/* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */
}
#endif /* __KERNEL__ */
#endif /* _SPARC_IDE_H */
#ifndef ___ASM_SPARC_IDE_H
#define ___ASM_SPARC_IDE_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/ide_64.h>
#else
#include <asm-sparc/ide_32.h>
#endif
#endif

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/* ide.h: SPARC PCI specific IDE glue.
*
* Copyright (C) 1997 David S. Miller (davem@davemloft.net)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
* Adaptation from sparc64 version to sparc by Pete Zaitcev.
*/
#ifndef _SPARC_IDE_H
#define _SPARC_IDE_H
#ifdef __KERNEL__
#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/psr.h>
#undef MAX_HWIFS
#define MAX_HWIFS 2
#define __ide_insl(data_reg, buffer, wcount) \
__ide_insw(data_reg, buffer, (wcount)<<1)
#define __ide_outsl(data_reg, buffer, wcount) \
__ide_outsw(data_reg, buffer, (wcount)<<1)
/* On sparc, I/O ports and MMIO registers are accessed identically. */
#define __ide_mm_insw __ide_insw
#define __ide_mm_insl __ide_insl
#define __ide_mm_outsw __ide_outsw
#define __ide_mm_outsl __ide_outsl
static inline void __ide_insw(unsigned long port,
void *dst,
unsigned long count)
{
volatile unsigned short *data_port;
/* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */
u16 *ps = dst;
u32 *pi;
data_port = (volatile unsigned short *)port;
if(((unsigned long)ps) & 0x2) {
*ps++ = *data_port;
count--;
}
pi = (u32 *)ps;
while(count >= 2) {
u32 w;
w = (*data_port) << 16;
w |= (*data_port);
*pi++ = w;
count -= 2;
}
ps = (u16 *)pi;
if(count)
*ps++ = *data_port;
/* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */
}
static inline void __ide_outsw(unsigned long port,
const void *src,
unsigned long count)
{
volatile unsigned short *data_port;
/* unsigned long end = (unsigned long)src + (count << 1); */
const u16 *ps = src;
const u32 *pi;
data_port = (volatile unsigned short *)port;
if(((unsigned long)src) & 0x2) {
*data_port = *ps++;
count--;
}
pi = (const u32 *)ps;
while(count >= 2) {
u32 w;
w = *pi++;
*data_port = (w >> 16);
*data_port = w;
count -= 2;
}
ps = (const u16 *)pi;
if(count)
*data_port = *ps;
/* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */
}
#endif /* __KERNEL__ */
#endif /* _SPARC_IDE_H */

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/*
* ide.h: Ultra/PCI specific IDE glue.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
*/
#ifndef _SPARC64_IDE_H
#define _SPARC64_IDE_H
#ifdef __KERNEL__
#include <asm/pgalloc.h>
#include <asm/io.h>
#include <asm/spitfire.h>
#include <asm/cacheflush.h>
#include <asm/page.h>
#ifndef MAX_HWIFS
# ifdef CONFIG_BLK_DEV_IDEPCI
#define MAX_HWIFS 10
# else
#define MAX_HWIFS 2
# endif
#endif
#define __ide_insl(data_reg, buffer, wcount) \
__ide_insw(data_reg, buffer, (wcount)<<1)
#define __ide_outsl(data_reg, buffer, wcount) \
__ide_outsw(data_reg, buffer, (wcount)<<1)
/* On sparc64, I/O ports and MMIO registers are accessed identically. */
#define __ide_mm_insw __ide_insw
#define __ide_mm_insl __ide_insl
#define __ide_mm_outsw __ide_outsw
#define __ide_mm_outsl __ide_outsl
static inline unsigned int inw_be(void __iomem *addr)
{
unsigned int ret;
__asm__ __volatile__("lduha [%1] %2, %0"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
{
#ifdef DCACHE_ALIASING_POSSIBLE
unsigned long end = (unsigned long)dst + (count << 1);
#endif
u16 *ps = dst;
u32 *pi;
if(((u64)ps) & 0x2) {
*ps++ = inw_be(port);
count--;
}
pi = (u32 *)ps;
while(count >= 2) {
u32 w;
w = inw_be(port) << 16;
w |= inw_be(port);
*pi++ = w;
count -= 2;
}
ps = (u16 *)pi;
if(count)
*ps++ = inw_be(port);
#ifdef DCACHE_ALIASING_POSSIBLE
__flush_dcache_range((unsigned long)dst, end);
#endif
}
static inline void outw_be(unsigned short w, void __iomem *addr)
{
__asm__ __volatile__("stha %0, [%1] %2"
: /* no outputs */
: "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void __ide_outsw(void __iomem *port, void *src, u32 count)
{
#ifdef DCACHE_ALIASING_POSSIBLE
unsigned long end = (unsigned long)src + (count << 1);
#endif
const u16 *ps = src;
const u32 *pi;
if(((u64)src) & 0x2) {
outw_be(*ps++, port);
count--;
}
pi = (const u32 *)ps;
while(count >= 2) {
u32 w;
w = *pi++;
outw_be((w >> 16), port);
outw_be(w, port);
count -= 2;
}
ps = (const u16 *)pi;
if(count)
outw_be(*ps, port);
#ifdef DCACHE_ALIASING_POSSIBLE
__flush_dcache_range((unsigned long)src, end);
#endif
}
#endif /* __KERNEL__ */
#endif /* _SPARC64_IDE_H */

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#ifndef __SPARC_IO_H
#define __SPARC_IO_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h> /* struct resource */
#include <asm/page.h> /* IO address mapping routines need this */
#include <asm/system.h>
#define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT)
static inline u32 flip_dword (u32 l)
{
return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
}
static inline u16 flip_word (u16 w)
{
return ((w&0xff) << 8) | ((w>>8)&0xff);
}
#define mmiowb()
/*
* Memory mapped I/O to PCI
*/
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __raw_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 __raw_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __raw_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void __raw_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
static inline u8 __readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __readw(const volatile void __iomem *addr)
{
return flip_word(*(__force volatile u16 *)addr);
}
static inline u32 __readl(const volatile void __iomem *addr)
{
return flip_dword(*(__force volatile u32 *)addr);
}
static inline void __writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = flip_word(w);
}
static inline void __writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = flip_dword(l);
}
#define readb(__addr) __readb(__addr)
#define readw(__addr) __readw(__addr)
#define readl(__addr) __readl(__addr)
#define readb_relaxed(__addr) readb(__addr)
#define readw_relaxed(__addr) readw(__addr)
#define readl_relaxed(__addr) readl(__addr)
#define writeb(__b, __addr) __writeb((__b),(__addr))
#define writew(__w, __addr) __writew((__w),(__addr))
#define writel(__l, __addr) __writel((__l),(__addr))
/*
* I/O space operations
*
* Arrangement on a Sun is somewhat complicated.
*
* First of all, we want to use standard Linux drivers
* for keyboard, PC serial, etc. These drivers think
* they access I/O space and use inb/outb.
* On the other hand, EBus bridge accepts PCI *memory*
* cycles and converts them into ISA *I/O* cycles.
* Ergo, we want inb & outb to generate PCI memory cycles.
*
* If we want to issue PCI *I/O* cycles, we do this
* with a low 64K fixed window in PCIC. This window gets
* mapped somewhere into virtual kernel space and we
* can use inb/outb again.
*/
#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr))
#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr))
#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr))
#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr))
#define inb_p(__addr) inb(__addr)
#define outb_p(__b, __addr) outb(__b, __addr)
#define inw_p(__addr) inw(__addr)
#define outw_p(__w, __addr) outw(__w, __addr)
#define inl_p(__addr) inl(__addr)
#define outl_p(__l, __addr) outl(__l, __addr)
void outsb(unsigned long addr, const void *src, unsigned long cnt);
void outsw(unsigned long addr, const void *src, unsigned long cnt);
void outsl(unsigned long addr, const void *src, unsigned long cnt);
void insb(unsigned long addr, void *dst, unsigned long count);
void insw(unsigned long addr, void *dst, unsigned long count);
void insl(unsigned long addr, void *dst, unsigned long count);
#define IO_SPACE_LIMIT 0xffffffff
/*
* SBus accessors.
*
* SBus has only one, memory mapped, I/O space.
* We do not need to flip bytes for SBus of course.
*/
static inline u8 _sbus_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 _sbus_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 _sbus_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
/*
* The only reason for #define's is to hide casts to unsigned long.
*/
#define sbus_readb(__addr) _sbus_readb(__addr)
#define sbus_readw(__addr) _sbus_readw(__addr)
#define sbus_readl(__addr) _sbus_readl(__addr)
#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, __dst);
__dst++;
}
}
static inline void
_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
volatile void __iomem *d = dst;
while (n--) {
writeb(c, d);
d++;
}
}
#define memset_io(d,c,sz) _memset_io(d,c,sz)
static inline void
_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
{
char *d = dst;
while (n--) {
char tmp = readb(src);
*d++ = tmp;
src++;
}
}
#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
static inline void
_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
writeb(tmp, d);
d++;
}
}
#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
#ifdef __KERNEL__
/*
* Bus number may be embedded in the higher bits of the physical address.
* This is why we have no bus number argument to ioremap().
*/
extern void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_nocache(X,Y) ioremap((X),(Y))
extern void iounmap(volatile void __iomem *addr);
#define ioread8(X) readb(X)
#define ioread16(X) readw(X)
#define ioread32(X) readl(X)
#define iowrite8(val,X) writeb(val,X)
#define iowrite16(val,X) writew(val,X)
#define iowrite32(val,X) writel(val,X)
static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
{
insb((unsigned long __force)port, buf, count);
}
static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
{
insw((unsigned long __force)port, buf, count);
}
static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
{
insl((unsigned long __force)port, buf, count);
}
static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsb((unsigned long __force)port, buf, count);
}
static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsw((unsigned long __force)port, buf, count);
}
static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsl((unsigned long __force)port, buf, count);
}
/* Create a virtual mapping cookie for an IO port range */
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
struct pci_dev;
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/*
* Bus number may be in res->flags... somewhere.
*/
extern void __iomem *sbus_ioremap(struct resource *res, unsigned long offset,
unsigned long size, char *name);
extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size);
/*
* At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
* so rtc_port is static in it. This should not change unless a new
* hardware pops up.
*/
#define RTC_PORT(x) (rtc_port + (x))
#define RTC_ALWAYS_BCD 0
#ifndef ___ASM_SPARC_IO_H
#define ___ASM_SPARC_IO_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/io_64.h>
#else
#include <asm-sparc/io_32.h>
#endif
#endif
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_mem_ptr(p) __va(p)
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
#endif /* !(__SPARC_IO_H) */

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#ifndef __SPARC_IO_H
#define __SPARC_IO_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h> /* struct resource */
#include <asm/page.h> /* IO address mapping routines need this */
#include <asm/system.h>
#define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT)
static inline u32 flip_dword (u32 l)
{
return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
}
static inline u16 flip_word (u16 w)
{
return ((w&0xff) << 8) | ((w>>8)&0xff);
}
#define mmiowb()
/*
* Memory mapped I/O to PCI
*/
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __raw_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 __raw_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __raw_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void __raw_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
static inline u8 __readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __readw(const volatile void __iomem *addr)
{
return flip_word(*(__force volatile u16 *)addr);
}
static inline u32 __readl(const volatile void __iomem *addr)
{
return flip_dword(*(__force volatile u32 *)addr);
}
static inline void __writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = flip_word(w);
}
static inline void __writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = flip_dword(l);
}
#define readb(__addr) __readb(__addr)
#define readw(__addr) __readw(__addr)
#define readl(__addr) __readl(__addr)
#define readb_relaxed(__addr) readb(__addr)
#define readw_relaxed(__addr) readw(__addr)
#define readl_relaxed(__addr) readl(__addr)
#define writeb(__b, __addr) __writeb((__b),(__addr))
#define writew(__w, __addr) __writew((__w),(__addr))
#define writel(__l, __addr) __writel((__l),(__addr))
/*
* I/O space operations
*
* Arrangement on a Sun is somewhat complicated.
*
* First of all, we want to use standard Linux drivers
* for keyboard, PC serial, etc. These drivers think
* they access I/O space and use inb/outb.
* On the other hand, EBus bridge accepts PCI *memory*
* cycles and converts them into ISA *I/O* cycles.
* Ergo, we want inb & outb to generate PCI memory cycles.
*
* If we want to issue PCI *I/O* cycles, we do this
* with a low 64K fixed window in PCIC. This window gets
* mapped somewhere into virtual kernel space and we
* can use inb/outb again.
*/
#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr))
#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr))
#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr))
#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr))
#define inb_p(__addr) inb(__addr)
#define outb_p(__b, __addr) outb(__b, __addr)
#define inw_p(__addr) inw(__addr)
#define outw_p(__w, __addr) outw(__w, __addr)
#define inl_p(__addr) inl(__addr)
#define outl_p(__l, __addr) outl(__l, __addr)
void outsb(unsigned long addr, const void *src, unsigned long cnt);
void outsw(unsigned long addr, const void *src, unsigned long cnt);
void outsl(unsigned long addr, const void *src, unsigned long cnt);
void insb(unsigned long addr, void *dst, unsigned long count);
void insw(unsigned long addr, void *dst, unsigned long count);
void insl(unsigned long addr, void *dst, unsigned long count);
#define IO_SPACE_LIMIT 0xffffffff
/*
* SBus accessors.
*
* SBus has only one, memory mapped, I/O space.
* We do not need to flip bytes for SBus of course.
*/
static inline u8 _sbus_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 _sbus_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 _sbus_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
/*
* The only reason for #define's is to hide casts to unsigned long.
*/
#define sbus_readb(__addr) _sbus_readb(__addr)
#define sbus_readw(__addr) _sbus_readw(__addr)
#define sbus_readl(__addr) _sbus_readl(__addr)
#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, __dst);
__dst++;
}
}
static inline void
_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
volatile void __iomem *d = dst;
while (n--) {
writeb(c, d);
d++;
}
}
#define memset_io(d,c,sz) _memset_io(d,c,sz)
static inline void
_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
{
char *d = dst;
while (n--) {
char tmp = readb(src);
*d++ = tmp;
src++;
}
}
#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
static inline void
_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
writeb(tmp, d);
d++;
}
}
#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
#ifdef __KERNEL__
/*
* Bus number may be embedded in the higher bits of the physical address.
* This is why we have no bus number argument to ioremap().
*/
extern void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_nocache(X,Y) ioremap((X),(Y))
extern void iounmap(volatile void __iomem *addr);
#define ioread8(X) readb(X)
#define ioread16(X) readw(X)
#define ioread32(X) readl(X)
#define iowrite8(val,X) writeb(val,X)
#define iowrite16(val,X) writew(val,X)
#define iowrite32(val,X) writel(val,X)
static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
{
insb((unsigned long __force)port, buf, count);
}
static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
{
insw((unsigned long __force)port, buf, count);
}
static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
{
insl((unsigned long __force)port, buf, count);
}
static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsb((unsigned long __force)port, buf, count);
}
static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsw((unsigned long __force)port, buf, count);
}
static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsl((unsigned long __force)port, buf, count);
}
/* Create a virtual mapping cookie for an IO port range */
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
struct pci_dev;
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/*
* Bus number may be in res->flags... somewhere.
*/
extern void __iomem *sbus_ioremap(struct resource *res, unsigned long offset,
unsigned long size, char *name);
extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size);
/*
* At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
* so rtc_port is static in it. This should not change unless a new
* hardware pops up.
*/
#define RTC_PORT(x) (rtc_port + (x))
#define RTC_ALWAYS_BCD 0
#endif
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_mem_ptr(p) __va(p)
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
#endif /* !(__SPARC_IO_H) */

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#ifndef __SPARC64_IO_H
#define __SPARC64_IO_H
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/page.h> /* IO address mapping routines need this */
#include <asm/system.h>
#include <asm/asi.h>
/* PC crapola... */
#define __SLOW_DOWN_IO do { } while (0)
#define SLOW_DOWN_IO do { } while (0)
/* BIO layer definitions. */
extern unsigned long kern_base, kern_size;
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#define BIO_VMERGE_BOUNDARY 8192
static inline u8 _inb(unsigned long addr)
{
u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline u16 _inw(unsigned long addr)
{
u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline u32 _inl(unsigned long addr)
{
u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline void _outb(u8 b, unsigned long addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
static inline void _outw(u16 w, unsigned long addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
static inline void _outl(u32 l, unsigned long addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
#define inb(__addr) (_inb((unsigned long)(__addr)))
#define inw(__addr) (_inw((unsigned long)(__addr)))
#define inl(__addr) (_inl((unsigned long)(__addr)))
#define outb(__b, __addr) (_outb((u8)(__b), (unsigned long)(__addr)))
#define outw(__w, __addr) (_outw((u16)(__w), (unsigned long)(__addr)))
#define outl(__l, __addr) (_outl((u32)(__l), (unsigned long)(__addr)))
#define inb_p(__addr) inb(__addr)
#define outb_p(__b, __addr) outb(__b, __addr)
#define inw_p(__addr) inw(__addr)
#define outw_p(__w, __addr) outw(__w, __addr)
#define inl_p(__addr) inl(__addr)
#define outl_p(__l, __addr) outl(__l, __addr)
extern void outsb(unsigned long, const void *, unsigned long);
extern void outsw(unsigned long, const void *, unsigned long);
extern void outsl(unsigned long, const void *, unsigned long);
extern void insb(unsigned long, void *, unsigned long);
extern void insw(unsigned long, void *, unsigned long);
extern void insl(unsigned long, void *, unsigned long);
static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
{
insb((unsigned long __force)port, buf, count);
}
static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
{
insw((unsigned long __force)port, buf, count);
}
static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
{
insl((unsigned long __force)port, buf, count);
}
static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsb((unsigned long __force)port, buf, count);
}
static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsw((unsigned long __force)port, buf, count);
}
static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsl((unsigned long __force)port, buf, count);
}
/* Memory functions, same as I/O accesses on Ultra. */
static inline u8 _readb(const volatile void __iomem *addr)
{ u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline u16 _readw(const volatile void __iomem *addr)
{ u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline u32 _readl(const volatile void __iomem *addr)
{ u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline u64 _readq(const volatile void __iomem *addr)
{ u64 ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
return ret;
}
static inline void _writeb(u8 b, volatile void __iomem *addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
static inline void _writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
static inline void _writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
static inline void _writeq(u64 q, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
: /* no outputs */
: "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
: "memory");
}
#define readb(__addr) _readb(__addr)
#define readw(__addr) _readw(__addr)
#define readl(__addr) _readl(__addr)
#define readq(__addr) _readq(__addr)
#define readb_relaxed(__addr) _readb(__addr)
#define readw_relaxed(__addr) _readw(__addr)
#define readl_relaxed(__addr) _readl(__addr)
#define readq_relaxed(__addr) _readq(__addr)
#define writeb(__b, __addr) _writeb(__b, __addr)
#define writew(__w, __addr) _writew(__w, __addr)
#define writel(__l, __addr) _writel(__l, __addr)
#define writeq(__q, __addr) _writeq(__q, __addr)
/* Now versions without byte-swapping. */
static inline u8 _raw_readb(unsigned long addr)
{
u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_raw_readb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline u16 _raw_readw(unsigned long addr)
{
u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_raw_readw */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline u32 _raw_readl(unsigned long addr)
{
u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_raw_readl */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline u64 _raw_readq(unsigned long addr)
{
u64 ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_raw_readq */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline void _raw_writeb(u8 b, unsigned long addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_raw_writeb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _raw_writew(u16 w, unsigned long addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_raw_writew */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _raw_writel(u32 l, unsigned long addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_raw_writel */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _raw_writeq(u64 q, unsigned long addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_raw_writeq */"
: /* no outputs */
: "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
#define __raw_readb(__addr) (_raw_readb((unsigned long)(__addr)))
#define __raw_readw(__addr) (_raw_readw((unsigned long)(__addr)))
#define __raw_readl(__addr) (_raw_readl((unsigned long)(__addr)))
#define __raw_readq(__addr) (_raw_readq((unsigned long)(__addr)))
#define __raw_writeb(__b, __addr) (_raw_writeb((u8)(__b), (unsigned long)(__addr)))
#define __raw_writew(__w, __addr) (_raw_writew((u16)(__w), (unsigned long)(__addr)))
#define __raw_writel(__l, __addr) (_raw_writel((u32)(__l), (unsigned long)(__addr)))
#define __raw_writeq(__q, __addr) (_raw_writeq((u64)(__q), (unsigned long)(__addr)))
/* Valid I/O Space regions are anywhere, because each PCI bus supported
* can live in an arbitrary area of the physical address range.
*/
#define IO_SPACE_LIMIT 0xffffffffffffffffUL
/* Now, SBUS variants, only difference from PCI is that we do
* not use little-endian ASIs.
*/
static inline u8 _sbus_readb(const volatile void __iomem *addr)
{
u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
return ret;
}
static inline u16 _sbus_readw(const volatile void __iomem *addr)
{
u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
return ret;
}
static inline u32 _sbus_readl(const volatile void __iomem *addr)
{
u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
return ret;
}
static inline u64 _sbus_readq(const volatile void __iomem *addr)
{
u64 ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
return ret;
}
static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
}
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
}
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
}
static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
: "memory");
}
#define sbus_readb(__addr) _sbus_readb(__addr)
#define sbus_readw(__addr) _sbus_readw(__addr)
#define sbus_readl(__addr) _sbus_readl(__addr)
#define sbus_readq(__addr) _sbus_readq(__addr)
#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
#define sbus_writeq(__l, __addr) _sbus_writeq(__l, __addr)
static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, dst);
dst++;
}
}
#define sbus_memset_io(d,c,sz) _sbus_memset_io(d,c,sz)
static inline void
_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
volatile void __iomem *d = dst;
while (n--) {
writeb(c, d);
d++;
}
}
#define memset_io(d,c,sz) _memset_io(d,c,sz)
static inline void
_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
{
char *d = dst;
while (n--) {
char tmp = readb(src);
*d++ = tmp;
src++;
}
}
#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
static inline void
_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
writeb(tmp, d);
d++;
}
}
#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
#define mmiowb()
#ifdef __KERNEL__
/* On sparc64 we have the whole physical IO address space accessible
* using physically addressed loads and stores, so this does nothing.
*/
static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
return (void __iomem *)offset;
}
#define ioremap_nocache(X,Y) ioremap((X),(Y))
static inline void iounmap(volatile void __iomem *addr)
{
}
#define ioread8(X) readb(X)
#define ioread16(X) readw(X)
#define ioread32(X) readl(X)
#define iowrite8(val,X) writeb(val,X)
#define iowrite16(val,X) writew(val,X)
#define iowrite32(val,X) writel(val,X)
/* Create a virtual mapping cookie for an IO port range */
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
struct pci_dev;
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/* Similarly for SBUS. */
#define sbus_ioremap(__res, __offset, __size, __name) \
({ unsigned long __ret; \
__ret = (__res)->start + (((__res)->flags & 0x1ffUL) << 32UL); \
__ret += (unsigned long) (__offset); \
if (! request_region((__ret), (__size), (__name))) \
__ret = 0UL; \
(void __iomem *) __ret; \
})
#define sbus_iounmap(__addr, __size) \
release_region((unsigned long)(__addr), (__size))
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_mem_ptr(p) __va(p)
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
#endif
#endif /* !(__SPARC64_IO_H) */

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/* iommu.h: Definitions for the sun4m IOMMU.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_IOMMU_H
#define _SPARC_IOMMU_H
#include <asm/page.h>
#include <asm/bitext.h>
/* The iommu handles all virtual to physical address translations
* that occur between the SBUS and physical memory. Access by
* the cpu to IO registers and similar go over the mbus so are
* translated by the on chip SRMMU. The iommu and the srmmu do
* not need to have the same translations at all, in fact most
* of the time the translations they handle are a disjunct set.
* Basically the iommu handles all dvma sbus activity.
*/
/* The IOMMU registers occupy three pages in IO space. */
struct iommu_regs {
/* First page */
volatile unsigned long control; /* IOMMU control */
volatile unsigned long base; /* Physical base of iopte page table */
volatile unsigned long _unused1[3];
volatile unsigned long tlbflush; /* write only */
volatile unsigned long pageflush; /* write only */
volatile unsigned long _unused2[1017];
/* Second page */
volatile unsigned long afsr; /* Async-fault status register */
volatile unsigned long afar; /* Async-fault physical address */
volatile unsigned long _unused3[2];
volatile unsigned long sbuscfg0; /* SBUS configuration registers, per-slot */
volatile unsigned long sbuscfg1;
volatile unsigned long sbuscfg2;
volatile unsigned long sbuscfg3;
volatile unsigned long mfsr; /* Memory-fault status register */
volatile unsigned long mfar; /* Memory-fault physical address */
volatile unsigned long _unused4[1014];
/* Third page */
volatile unsigned long mid; /* IOMMU module-id */
};
#define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */
#define IOMMU_CTRL_VERS 0x0f000000 /* Version */
#define IOMMU_CTRL_RNGE 0x0000001c /* Mapping RANGE */
#define IOMMU_RNGE_16MB 0x00000000 /* 0xff000000 -> 0xffffffff */
#define IOMMU_RNGE_32MB 0x00000004 /* 0xfe000000 -> 0xffffffff */
#define IOMMU_RNGE_64MB 0x00000008 /* 0xfc000000 -> 0xffffffff */
#define IOMMU_RNGE_128MB 0x0000000c /* 0xf8000000 -> 0xffffffff */
#define IOMMU_RNGE_256MB 0x00000010 /* 0xf0000000 -> 0xffffffff */
#define IOMMU_RNGE_512MB 0x00000014 /* 0xe0000000 -> 0xffffffff */
#define IOMMU_RNGE_1GB 0x00000018 /* 0xc0000000 -> 0xffffffff */
#define IOMMU_RNGE_2GB 0x0000001c /* 0x80000000 -> 0xffffffff */
#define IOMMU_CTRL_ENAB 0x00000001 /* IOMMU Enable */
#define IOMMU_AFSR_ERR 0x80000000 /* LE, TO, or BE asserted */
#define IOMMU_AFSR_LE 0x40000000 /* SBUS reports error after transaction */
#define IOMMU_AFSR_TO 0x20000000 /* Write access took more than 12.8 us. */
#define IOMMU_AFSR_BE 0x10000000 /* Write access received error acknowledge */
#define IOMMU_AFSR_SIZE 0x0e000000 /* Size of transaction causing error */
#define IOMMU_AFSR_S 0x01000000 /* Sparc was in supervisor mode */
#define IOMMU_AFSR_RESV 0x00f00000 /* Reserver, forced to 0x8 by hardware */
#define IOMMU_AFSR_ME 0x00080000 /* Multiple errors occurred */
#define IOMMU_AFSR_RD 0x00040000 /* A read operation was in progress */
#define IOMMU_AFSR_FAV 0x00020000 /* IOMMU afar has valid contents */
#define IOMMU_SBCFG_SAB30 0x00010000 /* Phys-address bit 30 when bypass enabled */
#define IOMMU_SBCFG_BA16 0x00000004 /* Slave supports 16 byte bursts */
#define IOMMU_SBCFG_BA8 0x00000002 /* Slave supports 8 byte bursts */
#define IOMMU_SBCFG_BYPASS 0x00000001 /* Bypass IOMMU, treat all addresses
produced by this device as pure
physical. */
#define IOMMU_MFSR_ERR 0x80000000 /* One or more of PERR1 or PERR0 */
#define IOMMU_MFSR_S 0x01000000 /* Sparc was in supervisor mode */
#define IOMMU_MFSR_CPU 0x00800000 /* CPU transaction caused parity error */
#define IOMMU_MFSR_ME 0x00080000 /* Multiple parity errors occurred */
#define IOMMU_MFSR_PERR 0x00006000 /* high bit indicates parity error occurred
on the even word of the access, low bit
indicated odd word caused the parity error */
#define IOMMU_MFSR_BM 0x00001000 /* Error occurred while in boot mode */
#define IOMMU_MFSR_C 0x00000800 /* Address causing error was marked cacheable */
#define IOMMU_MFSR_RTYP 0x000000f0 /* Memory request transaction type */
#define IOMMU_MID_SBAE 0x001f0000 /* SBus arbitration enable */
#define IOMMU_MID_SE 0x00100000 /* Enables SCSI/ETHERNET arbitration */
#define IOMMU_MID_SB3 0x00080000 /* Enable SBUS device 3 arbitration */
#define IOMMU_MID_SB2 0x00040000 /* Enable SBUS device 2 arbitration */
#define IOMMU_MID_SB1 0x00020000 /* Enable SBUS device 1 arbitration */
#define IOMMU_MID_SB0 0x00010000 /* Enable SBUS device 0 arbitration */
#define IOMMU_MID_MID 0x0000000f /* Module-id, hardcoded to 0x8 */
/* The format of an iopte in the page tables */
#define IOPTE_PAGE 0x07ffff00 /* Physical page number (PA[30:12]) */
#define IOPTE_CACHE 0x00000080 /* Cached (in vme IOCACHE or Viking/MXCC) */
#define IOPTE_WRITE 0x00000004 /* Writeable */
#define IOPTE_VALID 0x00000002 /* IOPTE is valid */
#define IOPTE_WAZ 0x00000001 /* Write as zeros */
struct iommu_struct {
struct iommu_regs *regs;
iopte_t *page_table;
/* For convenience */
unsigned long start; /* First managed virtual address */
unsigned long end; /* Last managed virtual address */
struct bit_map usemap;
};
static inline void iommu_invalidate(struct iommu_regs *regs)
{
regs->tlbflush = 0;
}
static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba)
{
regs->pageflush = (ba & PAGE_MASK);
}
#endif /* !(_SPARC_IOMMU_H) */
#ifndef ___ASM_SPARC_IOMMU_H
#define ___ASM_SPARC_IOMMU_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/iommu_64.h>
#else
#include <asm-sparc/iommu_32.h>
#endif
#endif

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/* iommu.h: Definitions for the sun4m IOMMU.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_IOMMU_H
#define _SPARC_IOMMU_H
#include <asm/page.h>
#include <asm/bitext.h>
/* The iommu handles all virtual to physical address translations
* that occur between the SBUS and physical memory. Access by
* the cpu to IO registers and similar go over the mbus so are
* translated by the on chip SRMMU. The iommu and the srmmu do
* not need to have the same translations at all, in fact most
* of the time the translations they handle are a disjunct set.
* Basically the iommu handles all dvma sbus activity.
*/
/* The IOMMU registers occupy three pages in IO space. */
struct iommu_regs {
/* First page */
volatile unsigned long control; /* IOMMU control */
volatile unsigned long base; /* Physical base of iopte page table */
volatile unsigned long _unused1[3];
volatile unsigned long tlbflush; /* write only */
volatile unsigned long pageflush; /* write only */
volatile unsigned long _unused2[1017];
/* Second page */
volatile unsigned long afsr; /* Async-fault status register */
volatile unsigned long afar; /* Async-fault physical address */
volatile unsigned long _unused3[2];
volatile unsigned long sbuscfg0; /* SBUS configuration registers, per-slot */
volatile unsigned long sbuscfg1;
volatile unsigned long sbuscfg2;
volatile unsigned long sbuscfg3;
volatile unsigned long mfsr; /* Memory-fault status register */
volatile unsigned long mfar; /* Memory-fault physical address */
volatile unsigned long _unused4[1014];
/* Third page */
volatile unsigned long mid; /* IOMMU module-id */
};
#define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */
#define IOMMU_CTRL_VERS 0x0f000000 /* Version */
#define IOMMU_CTRL_RNGE 0x0000001c /* Mapping RANGE */
#define IOMMU_RNGE_16MB 0x00000000 /* 0xff000000 -> 0xffffffff */
#define IOMMU_RNGE_32MB 0x00000004 /* 0xfe000000 -> 0xffffffff */
#define IOMMU_RNGE_64MB 0x00000008 /* 0xfc000000 -> 0xffffffff */
#define IOMMU_RNGE_128MB 0x0000000c /* 0xf8000000 -> 0xffffffff */
#define IOMMU_RNGE_256MB 0x00000010 /* 0xf0000000 -> 0xffffffff */
#define IOMMU_RNGE_512MB 0x00000014 /* 0xe0000000 -> 0xffffffff */
#define IOMMU_RNGE_1GB 0x00000018 /* 0xc0000000 -> 0xffffffff */
#define IOMMU_RNGE_2GB 0x0000001c /* 0x80000000 -> 0xffffffff */
#define IOMMU_CTRL_ENAB 0x00000001 /* IOMMU Enable */
#define IOMMU_AFSR_ERR 0x80000000 /* LE, TO, or BE asserted */
#define IOMMU_AFSR_LE 0x40000000 /* SBUS reports error after transaction */
#define IOMMU_AFSR_TO 0x20000000 /* Write access took more than 12.8 us. */
#define IOMMU_AFSR_BE 0x10000000 /* Write access received error acknowledge */
#define IOMMU_AFSR_SIZE 0x0e000000 /* Size of transaction causing error */
#define IOMMU_AFSR_S 0x01000000 /* Sparc was in supervisor mode */
#define IOMMU_AFSR_RESV 0x00f00000 /* Reserver, forced to 0x8 by hardware */
#define IOMMU_AFSR_ME 0x00080000 /* Multiple errors occurred */
#define IOMMU_AFSR_RD 0x00040000 /* A read operation was in progress */
#define IOMMU_AFSR_FAV 0x00020000 /* IOMMU afar has valid contents */
#define IOMMU_SBCFG_SAB30 0x00010000 /* Phys-address bit 30 when bypass enabled */
#define IOMMU_SBCFG_BA16 0x00000004 /* Slave supports 16 byte bursts */
#define IOMMU_SBCFG_BA8 0x00000002 /* Slave supports 8 byte bursts */
#define IOMMU_SBCFG_BYPASS 0x00000001 /* Bypass IOMMU, treat all addresses
produced by this device as pure
physical. */
#define IOMMU_MFSR_ERR 0x80000000 /* One or more of PERR1 or PERR0 */
#define IOMMU_MFSR_S 0x01000000 /* Sparc was in supervisor mode */
#define IOMMU_MFSR_CPU 0x00800000 /* CPU transaction caused parity error */
#define IOMMU_MFSR_ME 0x00080000 /* Multiple parity errors occurred */
#define IOMMU_MFSR_PERR 0x00006000 /* high bit indicates parity error occurred
on the even word of the access, low bit
indicated odd word caused the parity error */
#define IOMMU_MFSR_BM 0x00001000 /* Error occurred while in boot mode */
#define IOMMU_MFSR_C 0x00000800 /* Address causing error was marked cacheable */
#define IOMMU_MFSR_RTYP 0x000000f0 /* Memory request transaction type */
#define IOMMU_MID_SBAE 0x001f0000 /* SBus arbitration enable */
#define IOMMU_MID_SE 0x00100000 /* Enables SCSI/ETHERNET arbitration */
#define IOMMU_MID_SB3 0x00080000 /* Enable SBUS device 3 arbitration */
#define IOMMU_MID_SB2 0x00040000 /* Enable SBUS device 2 arbitration */
#define IOMMU_MID_SB1 0x00020000 /* Enable SBUS device 1 arbitration */
#define IOMMU_MID_SB0 0x00010000 /* Enable SBUS device 0 arbitration */
#define IOMMU_MID_MID 0x0000000f /* Module-id, hardcoded to 0x8 */
/* The format of an iopte in the page tables */
#define IOPTE_PAGE 0x07ffff00 /* Physical page number (PA[30:12]) */
#define IOPTE_CACHE 0x00000080 /* Cached (in vme IOCACHE or Viking/MXCC) */
#define IOPTE_WRITE 0x00000004 /* Writeable */
#define IOPTE_VALID 0x00000002 /* IOPTE is valid */
#define IOPTE_WAZ 0x00000001 /* Write as zeros */
struct iommu_struct {
struct iommu_regs *regs;
iopte_t *page_table;
/* For convenience */
unsigned long start; /* First managed virtual address */
unsigned long end; /* Last managed virtual address */
struct bit_map usemap;
};
static inline void iommu_invalidate(struct iommu_regs *regs)
{
regs->tlbflush = 0;
}
static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba)
{
regs->pageflush = (ba & PAGE_MASK);
}
#endif /* !(_SPARC_IOMMU_H) */

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/* iommu.h: Definitions for the sun5 IOMMU.
*
* Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC64_IOMMU_H
#define _SPARC64_IOMMU_H
/* The format of an iopte in the page tables. */
#define IOPTE_VALID 0x8000000000000000UL
#define IOPTE_64K 0x2000000000000000UL
#define IOPTE_STBUF 0x1000000000000000UL
#define IOPTE_INTRA 0x0800000000000000UL
#define IOPTE_CONTEXT 0x07ff800000000000UL
#define IOPTE_PAGE 0x00007fffffffe000UL
#define IOPTE_CACHE 0x0000000000000010UL
#define IOPTE_WRITE 0x0000000000000002UL
#define IOMMU_NUM_CTXS 4096
struct iommu_arena {
unsigned long *map;
unsigned int hint;
unsigned int limit;
};
struct iommu {
spinlock_t lock;
struct iommu_arena arena;
void (*flush_all)(struct iommu *);
iopte_t *page_table;
u32 page_table_map_base;
unsigned long iommu_control;
unsigned long iommu_tsbbase;
unsigned long iommu_flush;
unsigned long iommu_flushinv;
unsigned long iommu_tags;
unsigned long iommu_ctxflush;
unsigned long write_complete_reg;
unsigned long dummy_page;
unsigned long dummy_page_pa;
unsigned long ctx_lowest_free;
DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS);
u32 dma_addr_mask;
};
struct strbuf {
int strbuf_enabled;
unsigned long strbuf_control;
unsigned long strbuf_pflush;
unsigned long strbuf_fsync;
unsigned long strbuf_ctxflush;
unsigned long strbuf_ctxmatch_base;
unsigned long strbuf_flushflag_pa;
volatile unsigned long *strbuf_flushflag;
volatile unsigned long __flushflag_buf[(64+(64-1)) / sizeof(long)];
};
extern int iommu_table_init(struct iommu *iommu, int tsbsize,
u32 dma_offset, u32 dma_addr_mask,
int numa_node);
#endif /* !(_SPARC64_IOMMU_H) */

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@ -1,31 +1,8 @@
#ifndef _SPARC_IPCBUF_H
#define _SPARC_IPCBUF_H
/*
* The ipc64_perm structure for sparc architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 32-bit mode
* - 32-bit seq
* - 2 miscellaneous 64-bit values (so that this structure matches
* sparc64 ipc64_perm)
*/
struct ipc64_perm
{
__kernel_key_t key;
__kernel_uid32_t uid;
__kernel_gid32_t gid;
__kernel_uid32_t cuid;
__kernel_gid32_t cgid;
unsigned short __pad1;
__kernel_mode_t mode;
unsigned short __pad2;
unsigned short seq;
unsigned long long __unused1;
unsigned long long __unused2;
};
#endif /* _SPARC_IPCBUF_H */
#ifndef ___ASM_SPARC_IPCBUF_H
#define ___ASM_SPARC_IPCBUF_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/ipcbuf_64.h>
#else
#include <asm-sparc/ipcbuf_32.h>
#endif
#endif

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#ifndef _SPARC_IPCBUF_H
#define _SPARC_IPCBUF_H
/*
* The ipc64_perm structure for sparc architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 32-bit mode
* - 32-bit seq
* - 2 miscellaneous 64-bit values (so that this structure matches
* sparc64 ipc64_perm)
*/
struct ipc64_perm
{
__kernel_key_t key;
__kernel_uid32_t uid;
__kernel_gid32_t gid;
__kernel_uid32_t cuid;
__kernel_gid32_t cgid;
unsigned short __pad1;
__kernel_mode_t mode;
unsigned short __pad2;
unsigned short seq;
unsigned long long __unused1;
unsigned long long __unused2;
};
#endif /* _SPARC_IPCBUF_H */

28
include/asm-sparc/ipcbuf_64.h 100644
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#ifndef _SPARC64_IPCBUF_H
#define _SPARC64_IPCBUF_H
/*
* The ipc64_perm structure for sparc64 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 32-bit seq
* - 2 miscellaneous 64-bit values
*/
struct ipc64_perm
{
__kernel_key_t key;
__kernel_uid_t uid;
__kernel_gid_t gid;
__kernel_uid_t cuid;
__kernel_gid_t cgid;
__kernel_mode_t mode;
unsigned short __pad1;
unsigned short seq;
unsigned long __unused1;
unsigned long __unused2;
};
#endif /* _SPARC64_IPCBUF_H */

21
include/asm-sparc/irq.h
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@ -1,15 +1,8 @@
/* irq.h: IRQ registers on the Sparc.
*
* Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC_IRQ_H
#define _SPARC_IRQ_H
#include <linux/interrupt.h>
#define NR_IRQS 16
#define irq_canonicalize(irq) (irq)
#ifndef ___ASM_SPARC_IRQ_H
#define ___ASM_SPARC_IRQ_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/irq_64.h>
#else
#include <asm-sparc/irq_32.h>
#endif
#endif

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/* irq.h: IRQ registers on the Sparc.
*
* Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC_IRQ_H
#define _SPARC_IRQ_H
#include <linux/interrupt.h>
#define NR_IRQS 16
#define irq_canonicalize(irq) (irq)
#endif

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/* irq.h: IRQ registers on the 64-bit Sparc.
*
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
*/
#ifndef _SPARC64_IRQ_H
#define _SPARC64_IRQ_H
#include <linux/linkage.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <asm/pil.h>
#include <asm/ptrace.h>
/* IMAP/ICLR register defines */
#define IMAP_VALID 0x80000000UL /* IRQ Enabled */
#define IMAP_TID_UPA 0x7c000000UL /* UPA TargetID */
#define IMAP_TID_JBUS 0x7c000000UL /* JBUS TargetID */
#define IMAP_TID_SHIFT 26
#define IMAP_AID_SAFARI 0x7c000000UL /* Safari AgentID */
#define IMAP_AID_SHIFT 26
#define IMAP_NID_SAFARI 0x03e00000UL /* Safari NodeID */
#define IMAP_NID_SHIFT 21
#define IMAP_IGN 0x000007c0UL /* IRQ Group Number */
#define IMAP_INO 0x0000003fUL /* IRQ Number */
#define IMAP_INR 0x000007ffUL /* Full interrupt number*/
#define ICLR_IDLE 0x00000000UL /* Idle state */
#define ICLR_TRANSMIT 0x00000001UL /* Transmit state */
#define ICLR_PENDING 0x00000003UL /* Pending state */
/* The largest number of unique interrupt sources we support.
* If this needs to ever be larger than 255, you need to change
* the type of ino_bucket->virt_irq as appropriate.
*
* ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq().
*/
#define NR_IRQS 255
extern void irq_install_pre_handler(int virt_irq,
void (*func)(unsigned int, void *, void *),
void *arg1, void *arg2);
#define irq_canonicalize(irq) (irq)
extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino);
extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
unsigned int msi_devino_start,
unsigned int msi_devino_end);
extern void sun4v_destroy_msi(unsigned int virt_irq);
extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p,
unsigned int msi_devino_start,
unsigned int msi_devino_end,
unsigned long imap_base,
unsigned long iclr_base);
extern void sun4u_destroy_msi(unsigned int virt_irq);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
extern unsigned char virt_irq_alloc(unsigned int dev_handle,
unsigned int dev_ino);
#ifdef CONFIG_PCI_MSI
extern void virt_irq_free(unsigned int virt_irq);
#endif
extern void __init init_IRQ(void);
extern void fixup_irqs(void);
static inline void set_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%set_softint"
: /* No outputs */
: "r" (bits));
}
static inline void clear_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%clear_softint"
: /* No outputs */
: "r" (bits));
}
static inline unsigned long get_softint(void)
{
unsigned long retval;
__asm__ __volatile__("rd %%softint, %0"
: "=r" (retval));
return retval;
}
#endif

47
include/asm-sparc/irqflags.h
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@ -1,39 +1,8 @@
/*
* include/asm-sparc/irqflags.h
*
* IRQ flags handling
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
* raw_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
extern void raw_local_irq_restore(unsigned long);
extern unsigned long __raw_local_irq_save(void);
extern void raw_local_irq_enable(void);
static inline unsigned long getipl(void)
{
unsigned long retval;
__asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
return retval;
}
#define raw_local_save_flags(flags) ((flags) = getipl())
#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
#define raw_local_irq_disable() ((void) __raw_local_irq_save())
#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return ((flags & PSR_PIL) != 0);
}
#endif /* (__ASSEMBLY__) */
#endif /* !(_ASM_IRQFLAGS_H) */
#ifndef ___ASM_SPARC_IRQFLAGS_H
#define ___ASM_SPARC_IRQFLAGS_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/irqflags_64.h>
#else
#include <asm-sparc/irqflags_32.h>
#endif
#endif

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/*
* include/asm-sparc/irqflags.h
*
* IRQ flags handling
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
* raw_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
extern void raw_local_irq_restore(unsigned long);
extern unsigned long __raw_local_irq_save(void);
extern void raw_local_irq_enable(void);
static inline unsigned long getipl(void)
{
unsigned long retval;
__asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
return retval;
}
#define raw_local_save_flags(flags) ((flags) = getipl())
#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
#define raw_local_irq_disable() ((void) __raw_local_irq_save())
#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return ((flags & PSR_PIL) != 0);
}
#endif /* (__ASSEMBLY__) */
#endif /* !(_ASM_IRQFLAGS_H) */

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include/asm-sparc/irqflags_64.h 100644
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/*
* include/asm-sparc64/irqflags.h
*
* IRQ flags handling
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
* raw_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
static inline unsigned long __raw_local_save_flags(void)
{
unsigned long flags;
__asm__ __volatile__(
"rdpr %%pil, %0"
: "=r" (flags)
);
return flags;
}
#define raw_local_save_flags(flags) \
do { (flags) = __raw_local_save_flags(); } while (0)
static inline void raw_local_irq_restore(unsigned long flags)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
: /* no output */
: "r" (flags)
: "memory"
);
}
static inline void raw_local_irq_disable(void)
{
__asm__ __volatile__(
"wrpr 15, %%pil"
: /* no outputs */
: /* no inputs */
: "memory"
);
}
static inline void raw_local_irq_enable(void)
{
__asm__ __volatile__(
"wrpr 0, %%pil"
: /* no outputs */
: /* no inputs */
: "memory"
);
}
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return (flags > 0);
}
static inline int raw_irqs_disabled(void)
{
unsigned long flags = __raw_local_save_flags();
return raw_irqs_disabled_flags(flags);
}
/*
* For spinlocks, etc:
*/
static inline unsigned long __raw_local_irq_save(void)
{
unsigned long flags = __raw_local_save_flags();
raw_local_irq_disable();
return flags;
}
#define raw_local_irq_save(flags) \
do { (flags) = __raw_local_irq_save(); } while (0)
#endif /* (__ASSEMBLY__) */
#endif /* !(_ASM_IRQFLAGS_H) */

81
include/asm-sparc/kdebug.h
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@ -1,73 +1,8 @@
/*
* kdebug.h: Defines and definitions for debugging the Linux kernel
* under various kernel debuggers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_KDEBUG_H
#define _SPARC_KDEBUG_H
#include <asm/openprom.h>
#include <asm/vaddrs.h>
/* Breakpoints are enter through trap table entry 126. So in sparc assembly
* if you want to drop into the debugger you do:
*
* t DEBUG_BP_TRAP
*/
#define DEBUG_BP_TRAP 126
#ifndef __ASSEMBLY__
/* The debug vector is passed in %o1 at boot time. It is a pointer to
* a structure in the debuggers address space. Here is its format.
*/
typedef unsigned int (*debugger_funct)(void);
struct kernel_debug {
/* First the entry point into the debugger. You jump here
* to give control over to the debugger.
*/
unsigned long kdebug_entry;
unsigned long kdebug_trapme; /* Figure out later... */
/* The following is the number of pages that the debugger has
* taken from to total pool.
*/
unsigned long *kdebug_stolen_pages;
/* Ok, after you remap yourself and/or change the trap table
* from what you were left with at boot time you have to call
* this synchronization function so the debugger can check out
* what you have done.
*/
debugger_funct teach_debugger;
}; /* I think that is it... */
extern struct kernel_debug *linux_dbvec;
/* Use this macro in C-code to enter the debugger. */
static inline void sp_enter_debugger(void)
{
__asm__ __volatile__("jmpl %0, %%o7\n\t"
"nop\n\t" : :
"r" (linux_dbvec) : "o7", "memory");
}
#define SP_ENTER_DEBUGGER do { \
if((linux_dbvec!=0) && ((*(short *)linux_dbvec)!=-1)) \
sp_enter_debugger(); \
} while(0)
enum die_val {
DIE_UNUSED,
};
#endif /* !(__ASSEMBLY__) */
/* Some nice offset defines for assembler code. */
#define KDEBUG_ENTRY_OFF 0x0
#define KDEBUG_DUNNO_OFF 0x4
#define KDEBUG_DUNNO2_OFF 0x8
#define KDEBUG_TEACH_OFF 0xc
#endif /* !(_SPARC_KDEBUG_H) */
#ifndef ___ASM_SPARC_KDEBUG_H
#define ___ASM_SPARC_KDEBUG_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/kdebug_64.h>
#else
#include <asm-sparc/kdebug_32.h>
#endif
#endif

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/*
* kdebug.h: Defines and definitions for debugging the Linux kernel
* under various kernel debuggers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_KDEBUG_H
#define _SPARC_KDEBUG_H
#include <asm/openprom.h>
#include <asm/vaddrs.h>
/* Breakpoints are enter through trap table entry 126. So in sparc assembly
* if you want to drop into the debugger you do:
*
* t DEBUG_BP_TRAP
*/
#define DEBUG_BP_TRAP 126
#ifndef __ASSEMBLY__
/* The debug vector is passed in %o1 at boot time. It is a pointer to
* a structure in the debuggers address space. Here is its format.
*/
typedef unsigned int (*debugger_funct)(void);
struct kernel_debug {
/* First the entry point into the debugger. You jump here
* to give control over to the debugger.
*/
unsigned long kdebug_entry;
unsigned long kdebug_trapme; /* Figure out later... */
/* The following is the number of pages that the debugger has
* taken from to total pool.
*/
unsigned long *kdebug_stolen_pages;
/* Ok, after you remap yourself and/or change the trap table
* from what you were left with at boot time you have to call
* this synchronization function so the debugger can check out
* what you have done.
*/
debugger_funct teach_debugger;
}; /* I think that is it... */
extern struct kernel_debug *linux_dbvec;
/* Use this macro in C-code to enter the debugger. */
static inline void sp_enter_debugger(void)
{
__asm__ __volatile__("jmpl %0, %%o7\n\t"
"nop\n\t" : :
"r" (linux_dbvec) : "o7", "memory");
}
#define SP_ENTER_DEBUGGER do { \
if((linux_dbvec!=0) && ((*(short *)linux_dbvec)!=-1)) \
sp_enter_debugger(); \
} while(0)
enum die_val {
DIE_UNUSED,
};
#endif /* !(__ASSEMBLY__) */
/* Some nice offset defines for assembler code. */
#define KDEBUG_ENTRY_OFF 0x0
#define KDEBUG_DUNNO_OFF 0x4
#define KDEBUG_DUNNO2_OFF 0x8
#define KDEBUG_TEACH_OFF 0xc
#endif /* !(_SPARC_KDEBUG_H) */

19
include/asm-sparc/kdebug_64.h 100644
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#ifndef _SPARC64_KDEBUG_H
#define _SPARC64_KDEBUG_H
struct pt_regs;
extern void bad_trap(struct pt_regs *, long);
/* Grossly misnamed. */
enum die_val {
DIE_OOPS = 1,
DIE_DEBUG, /* ta 0x70 */
DIE_DEBUG_2, /* ta 0x71 */
DIE_DIE,
DIE_TRAP,
DIE_TRAP_TL1,
DIE_CALL,
};
#endif

35
include/asm-sparc/mc146818rtc.h
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@ -1,29 +1,8 @@
/*
* Machine dependent access functions for RTC registers.
*/
#ifndef __ASM_SPARC_MC146818RTC_H
#define __ASM_SPARC_MC146818RTC_H
#include <asm/io.h>
#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
#ifndef ___ASM_SPARC_MC146818RTC_H
#define ___ASM_SPARC_MC146818RTC_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/mc146818rtc_64.h>
#else
#include <asm-sparc/mc146818rtc_32.h>
#endif
#endif
/*
* The yet supported machines all access the RTC index register via
* an ISA port access but the way to access the date register differs ...
*/
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#define RTC_IRQ 8
#endif /* __ASM_SPARC_MC146818RTC_H */

29
include/asm-sparc/mc146818rtc_32.h 100644
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/*
* Machine dependent access functions for RTC registers.
*/
#ifndef __ASM_SPARC_MC146818RTC_H
#define __ASM_SPARC_MC146818RTC_H
#include <asm/io.h>
#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
#endif
/*
* The yet supported machines all access the RTC index register via
* an ISA port access but the way to access the date register differs ...
*/
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#define RTC_IRQ 8
#endif /* __ASM_SPARC_MC146818RTC_H */

34
include/asm-sparc/mc146818rtc_64.h 100644
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/*
* Machine dependent access functions for RTC registers.
*/
#ifndef __ASM_SPARC64_MC146818RTC_H
#define __ASM_SPARC64_MC146818RTC_H
#include <asm/io.h>
#ifndef RTC_PORT
#ifdef CONFIG_PCI
extern unsigned long ds1287_regs;
#else
#define ds1287_regs (0UL)
#endif
#define RTC_PORT(x) (ds1287_regs + (x))
#define RTC_ALWAYS_BCD 0
#endif
/*
* The yet supported machines all access the RTC index register via
* an ISA port access but the way to access the date register differs ...
*/
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#define RTC_IRQ 8
#endif /* __ASM_SPARC64_MC146818RTC_H */

13
include/asm-sparc/mmu.h
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@ -1,7 +1,8 @@
#ifndef __MMU_H
#define __MMU_H
/* Default "unsigned long" context */
typedef unsigned long mm_context_t;
#ifndef ___ASM_SPARC_MMU_H
#define ___ASM_SPARC_MMU_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/mmu_64.h>
#else
#include <asm-sparc/mmu_32.h>
#endif
#endif

7
include/asm-sparc/mmu_32.h 100644
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#ifndef __MMU_H
#define __MMU_H
/* Default "unsigned long" context */
typedef unsigned long mm_context_t;
#endif

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#ifndef __MMU_H
#define __MMU_H
#include <linux/const.h>
#include <asm/page.h>
#include <asm/hypervisor.h>
#define CTX_NR_BITS 13
#define TAG_CONTEXT_BITS ((_AC(1,UL) << CTX_NR_BITS) - _AC(1,UL))
/* UltraSPARC-III+ and later have a feature whereby you can
* select what page size the various Data-TLB instances in the
* chip. In order to gracefully support this, we put the version
* field in a spot outside of the areas of the context register
* where this parameter is specified.
*/
#define CTX_VERSION_SHIFT 22
#define CTX_VERSION_MASK ((~0UL) << CTX_VERSION_SHIFT)
#define CTX_PGSZ_8KB _AC(0x0,UL)
#define CTX_PGSZ_64KB _AC(0x1,UL)
#define CTX_PGSZ_512KB _AC(0x2,UL)
#define CTX_PGSZ_4MB _AC(0x3,UL)
#define CTX_PGSZ_BITS _AC(0x7,UL)
#define CTX_PGSZ0_NUC_SHIFT 61
#define CTX_PGSZ1_NUC_SHIFT 58
#define CTX_PGSZ0_SHIFT 16
#define CTX_PGSZ1_SHIFT 19
#define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \
(CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT))
#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
#define CTX_PGSZ_BASE CTX_PGSZ_8KB
#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
#define CTX_PGSZ_BASE CTX_PGSZ_64KB
#elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB)
#define CTX_PGSZ_BASE CTX_PGSZ_512KB
#elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB)
#define CTX_PGSZ_BASE CTX_PGSZ_4MB
#else
#error No page size specified in kernel configuration
#endif
#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
#define CTX_PGSZ_HUGE CTX_PGSZ_4MB
#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
#define CTX_PGSZ_HUGE CTX_PGSZ_512KB
#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
#define CTX_PGSZ_HUGE CTX_PGSZ_64KB
#endif
#define CTX_PGSZ_KERN CTX_PGSZ_4MB
/* Thus, when running on UltraSPARC-III+ and later, we use the following
* PRIMARY_CONTEXT register values for the kernel context.
*/
#define CTX_CHEETAH_PLUS_NUC \
((CTX_PGSZ_KERN << CTX_PGSZ0_NUC_SHIFT) | \
(CTX_PGSZ_BASE << CTX_PGSZ1_NUC_SHIFT))
#define CTX_CHEETAH_PLUS_CTX0 \
((CTX_PGSZ_KERN << CTX_PGSZ0_SHIFT) | \
(CTX_PGSZ_BASE << CTX_PGSZ1_SHIFT))
/* If you want "the TLB context number" use CTX_NR_MASK. If you
* want "the bits I program into the context registers" use
* CTX_HW_MASK.
*/
#define CTX_NR_MASK TAG_CONTEXT_BITS
#define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK)
#define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL))
#define CTX_VALID(__ctx) \
(!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK))
#define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK)
#define CTX_NRBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_NR_MASK)
#ifndef __ASSEMBLY__
#define TSB_ENTRY_ALIGNMENT 16
struct tsb {
unsigned long tag;
unsigned long pte;
} __attribute__((aligned(TSB_ENTRY_ALIGNMENT)));
extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte);
extern void tsb_flush(unsigned long ent, unsigned long tag);
extern void tsb_init(struct tsb *tsb, unsigned long size);
struct tsb_config {
struct tsb *tsb;
unsigned long tsb_rss_limit;
unsigned long tsb_nentries;
unsigned long tsb_reg_val;
unsigned long tsb_map_vaddr;
unsigned long tsb_map_pte;
};
#define MM_TSB_BASE 0
#ifdef CONFIG_HUGETLB_PAGE
#define MM_TSB_HUGE 1
#define MM_NUM_TSBS 2
#else
#define MM_NUM_TSBS 1
#endif
typedef struct {
spinlock_t lock;
unsigned long sparc64_ctx_val;
unsigned long huge_pte_count;
struct tsb_config tsb_block[MM_NUM_TSBS];
struct hv_tsb_descr tsb_descr[MM_NUM_TSBS];
} mm_context_t;
#endif /* !__ASSEMBLY__ */
#define TSB_CONFIG_TSB 0x00
#define TSB_CONFIG_RSS_LIMIT 0x08
#define TSB_CONFIG_NENTRIES 0x10
#define TSB_CONFIG_REG_VAL 0x18
#define TSB_CONFIG_MAP_VADDR 0x20
#define TSB_CONFIG_MAP_PTE 0x28
#endif /* __MMU_H */

50
include/asm-sparc/mmu_context.h
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@ -1,42 +1,8 @@
#ifndef __SPARC_MMU_CONTEXT_H
#define __SPARC_MMU_CONTEXT_H
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
/*
* Initialize a new mmu context. This is invoked when a new
* address space instance (unique or shared) is instantiated.
*/
#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0)
/*
* Destroy a dead context. This occurs when mmput drops the
* mm_users count to zero, the mmaps have been released, and
* all the page tables have been flushed. Our job is to destroy
* any remaining processor-specific state.
*/
BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *)
#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm)
/* Switch the current MM context. */
BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *)
#define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk)
#define deactivate_mm(tsk,mm) do { } while (0)
/* Activate a new MM instance for the current task. */
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_MMU_CONTEXT_H) */
#ifndef ___ASM_SPARC_MMU_CONTEXT_H
#define ___ASM_SPARC_MMU_CONTEXT_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/mmu_context_64.h>
#else
#include <asm-sparc/mmu_context_32.h>
#endif
#endif

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include/asm-sparc/mmu_context_32.h 100644
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#ifndef __SPARC_MMU_CONTEXT_H
#define __SPARC_MMU_CONTEXT_H
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
/*
* Initialize a new mmu context. This is invoked when a new
* address space instance (unique or shared) is instantiated.
*/
#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0)
/*
* Destroy a dead context. This occurs when mmput drops the
* mm_users count to zero, the mmaps have been released, and
* all the page tables have been flushed. Our job is to destroy
* any remaining processor-specific state.
*/
BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *)
#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm)
/* Switch the current MM context. */
BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *)
#define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk)
#define deactivate_mm(tsk,mm) do { } while (0)
/* Activate a new MM instance for the current task. */
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_MMU_CONTEXT_H) */

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#ifndef __SPARC64_MMU_CONTEXT_H
#define __SPARC64_MMU_CONTEXT_H
/* Derived heavily from Linus's Alpha/AXP ASN code... */
#ifndef __ASSEMBLY__
#include <linux/spinlock.h>
#include <asm/system.h>
#include <asm/spitfire.h>
#include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
extern spinlock_t ctx_alloc_lock;
extern unsigned long tlb_context_cache;
extern unsigned long mmu_context_bmap[];
extern void get_new_mmu_context(struct mm_struct *mm);
#ifdef CONFIG_SMP
extern void smp_new_mmu_context_version(void);
#else
#define smp_new_mmu_context_version() do { } while (0)
#endif
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
extern void __tsb_context_switch(unsigned long pgd_pa,
struct tsb_config *tsb_base,
struct tsb_config *tsb_huge,
unsigned long tsb_descr_pa);
static inline void tsb_context_switch(struct mm_struct *mm)
{
__tsb_context_switch(__pa(mm->pgd),
&mm->context.tsb_block[0],
#ifdef CONFIG_HUGETLB_PAGE
(mm->context.tsb_block[1].tsb ?
&mm->context.tsb_block[1] :
NULL)
#else
NULL
#endif
, __pa(&mm->context.tsb_descr[0]));
}
extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss);
#ifdef CONFIG_SMP
extern void smp_tsb_sync(struct mm_struct *mm);
#else
#define smp_tsb_sync(__mm) do { } while (0)
#endif
/* Set MMU context in the actual hardware. */
#define load_secondary_context(__mm) \
__asm__ __volatile__( \
"\n661: stxa %0, [%1] %2\n" \
" .section .sun4v_1insn_patch, \"ax\"\n" \
" .word 661b\n" \
" stxa %0, [%1] %3\n" \
" .previous\n" \
" flush %%g6\n" \
: /* No outputs */ \
: "r" (CTX_HWBITS((__mm)->context)), \
"r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU))
extern void __flush_tlb_mm(unsigned long, unsigned long);
/* Switch the current MM context. Interrupts are disabled. */
static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk)
{
unsigned long ctx_valid, flags;
int cpu;
if (unlikely(mm == &init_mm))
return;
spin_lock_irqsave(&mm->context.lock, flags);
ctx_valid = CTX_VALID(mm->context);
if (!ctx_valid)
get_new_mmu_context(mm);
/* We have to be extremely careful here or else we will miss
* a TSB grow if we switch back and forth between a kernel
* thread and an address space which has it's TSB size increased
* on another processor.
*
* It is possible to play some games in order to optimize the
* switch, but the safest thing to do is to unconditionally
* perform the secondary context load and the TSB context switch.
*
* For reference the bad case is, for address space "A":
*
* CPU 0 CPU 1
* run address space A
* set cpu0's bits in cpu_vm_mask
* switch to kernel thread, borrow
* address space A via entry_lazy_tlb
* run address space A
* set cpu1's bit in cpu_vm_mask
* flush_tlb_pending()
* reset cpu_vm_mask to just cpu1
* TSB grow
* run address space A
* context was valid, so skip
* TSB context switch
*
* At that point cpu0 continues to use a stale TSB, the one from
* before the TSB grow performed on cpu1. cpu1 did not cross-call
* cpu0 to update it's TSB because at that point the cpu_vm_mask
* only had cpu1 set in it.
*/
load_secondary_context(mm);
tsb_context_switch(mm);
/* Any time a processor runs a context on an address space
* for the first time, we must flush that context out of the
* local TLB.
*/
cpu = smp_processor_id();
if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) {
cpu_set(cpu, mm->cpu_vm_mask);
__flush_tlb_mm(CTX_HWBITS(mm->context),
SECONDARY_CONTEXT);
}
spin_unlock_irqrestore(&mm->context.lock, flags);
}
#define deactivate_mm(tsk,mm) do { } while (0)
/* Activate a new MM instance for the current task. */
static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm)
{
unsigned long flags;
int cpu;
spin_lock_irqsave(&mm->context.lock, flags);
if (!CTX_VALID(mm->context))
get_new_mmu_context(mm);
cpu = smp_processor_id();
if (!cpu_isset(cpu, mm->cpu_vm_mask))
cpu_set(cpu, mm->cpu_vm_mask);
load_secondary_context(mm);
__flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT);
tsb_context_switch(mm);
spin_unlock_irqrestore(&mm->context.lock, flags);
}
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC64_MMU_CONTEXT_H) */

15
include/asm-sparc/module.h
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@ -1,7 +1,8 @@
#ifndef _ASM_SPARC_MODULE_H
#define _ASM_SPARC_MODULE_H
struct mod_arch_specific { };
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr
#endif /* _ASM_SPARC_MODULE_H */
#ifndef ___ASM_SPARC_MODULE_H
#define ___ASM_SPARC_MODULE_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/module_64.h>
#else
#include <asm-sparc/module_32.h>
#endif
#endif

7
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#ifndef _ASM_SPARC_MODULE_H
#define _ASM_SPARC_MODULE_H
struct mod_arch_specific { };
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr
#endif /* _ASM_SPARC_MODULE_H */

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#ifndef _ASM_SPARC64_MODULE_H
#define _ASM_SPARC64_MODULE_H
struct mod_arch_specific { };
#define Elf_Shdr Elf64_Shdr
#define Elf_Sym Elf64_Sym
#define Elf_Ehdr Elf64_Ehdr
#endif /* _ASM_SPARC64_MODULE_H */

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/*
* mostek.h: Describes the various Mostek time of day clock registers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
* Added intersil code 05/25/98 Chris Davis (cdavis@cois.on.ca)
*/
#ifndef _SPARC_MOSTEK_H
#define _SPARC_MOSTEK_H
#include <asm/idprom.h>
#include <asm/io.h>
/* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ)
*
* Data
* Address Function
* Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0
* 7ff - - - - - - - - Year 00-99
* 7fe 0 0 0 - - - - - Month 01-12
* 7fd 0 0 - - - - - - Date 01-31
* 7fc 0 FT 0 0 0 - - - Day 01-07
* 7fb KS 0 - - - - - - Hours 00-23
* 7fa 0 - - - - - - - Minutes 00-59
* 7f9 ST - - - - - - - Seconds 00-59
* 7f8 W R S - - - - - Control
*
* * ST is STOP BIT
* * W is WRITE BIT
* * R is READ BIT
* * S is SIGN BIT
* * FT is FREQ TEST BIT
* * KS is KICK START BIT
*/
/* The Mostek 48t02 real time clock and NVRAM chip. The registers
* other than the control register are in binary coded decimal. Some
* control bits also live outside the control register.
*/
#define mostek_read(_addr) readb(_addr)
#define mostek_write(_addr,_val) writeb(_val, _addr)
#define MOSTEK_EEPROM 0x0000UL
#define MOSTEK_IDPROM 0x07d8UL
#define MOSTEK_CREG 0x07f8UL
#define MOSTEK_SEC 0x07f9UL
#define MOSTEK_MIN 0x07faUL
#define MOSTEK_HOUR 0x07fbUL
#define MOSTEK_DOW 0x07fcUL
#define MOSTEK_DOM 0x07fdUL
#define MOSTEK_MONTH 0x07feUL
#define MOSTEK_YEAR 0x07ffUL
struct mostek48t02 {
volatile char eeprom[2008]; /* This is the eeprom, don't touch! */
struct idprom idprom; /* The idprom lives here. */
volatile unsigned char creg; /* Control register */
volatile unsigned char sec; /* Seconds (0-59) */
volatile unsigned char min; /* Minutes (0-59) */
volatile unsigned char hour; /* Hour (0-23) */
volatile unsigned char dow; /* Day of the week (1-7) */
volatile unsigned char dom; /* Day of the month (1-31) */
volatile unsigned char month; /* Month of year (1-12) */
volatile unsigned char year; /* Year (0-99) */
};
extern spinlock_t mostek_lock;
extern void __iomem *mstk48t02_regs;
/* Control register values. */
#define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */
#define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */
#define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */
/* Control bits that live in the other registers. */
#define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */
#define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */
#define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */
#define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */
#define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO)
/* Masks that define how much space each value takes up. */
#define MSTK_SEC_MASK 0x7f
#define MSTK_MIN_MASK 0x7f
#define MSTK_HOUR_MASK 0x3f
#define MSTK_DOW_MASK 0x07
#define MSTK_DOM_MASK 0x3f
#define MSTK_MONTH_MASK 0x1f
#define MSTK_YEAR_MASK 0xffU
/* Binary coded decimal conversion macros. */
#define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04))
#define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A))
/* Generic register set and get macros for internal use. */
#define MSTK_GET(regs,var,mask) (MSTK_REGVAL_TO_DECIMAL(((struct mostek48t02 *)regs)->var & MSTK_ ## mask ## _MASK))
#define MSTK_SET(regs,var,value,mask) do { ((struct mostek48t02 *)regs)->var &= ~(MSTK_ ## mask ## _MASK); ((struct mostek48t02 *)regs)->var |= MSTK_DECIMAL_TO_REGVAL(value) & (MSTK_ ## mask ## _MASK); } while (0)
/* Macros to make register access easier on our fingers. These give you
* the decimal value of the register requested if applicable. You pass
* the a pointer to a 'struct mostek48t02'.
*/
#define MSTK_REG_CREG(regs) (((struct mostek48t02 *)regs)->creg)
#define MSTK_REG_SEC(regs) MSTK_GET(regs,sec,SEC)
#define MSTK_REG_MIN(regs) MSTK_GET(regs,min,MIN)
#define MSTK_REG_HOUR(regs) MSTK_GET(regs,hour,HOUR)
#define MSTK_REG_DOW(regs) MSTK_GET(regs,dow,DOW)
#define MSTK_REG_DOM(regs) MSTK_GET(regs,dom,DOM)
#define MSTK_REG_MONTH(regs) MSTK_GET(regs,month,MONTH)
#define MSTK_REG_YEAR(regs) MSTK_GET(regs,year,YEAR)
#define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,sec,value,SEC)
#define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,min,value,MIN)
#define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,hour,value,HOUR)
#define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,dow,value,DOW)
#define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,dom,value,DOM)
#define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,month,value,MONTH)
#define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,year,value,YEAR)
/* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the
* same (basically) layout of the 48t02 chip except for the extra
* NVRAM on board (8 KB against the 48t02's 2 KB).
*/
struct mostek48t08 {
char offset[6*1024]; /* Magic things may be here, who knows? */
struct mostek48t02 regs; /* Here is what we are interested in. */
};
#ifdef CONFIG_SUN4
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
INTERSIL, MSTK_INVALID };
#ifndef ___ASM_SPARC_MOSTEK_H
#define ___ASM_SPARC_MOSTEK_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/mostek_64.h>
#else
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
MSTK_INVALID };
#include <asm-sparc/mostek_32.h>
#endif
#ifdef CONFIG_SUN4
/* intersil on a sun 4/260 code data from harris doc */
struct intersil_dt {
volatile unsigned char int_csec;
volatile unsigned char int_hour;
volatile unsigned char int_min;
volatile unsigned char int_sec;
volatile unsigned char int_month;
volatile unsigned char int_day;
volatile unsigned char int_year;
volatile unsigned char int_dow;
};
struct intersil {
struct intersil_dt clk;
struct intersil_dt cmp;
volatile unsigned char int_intr_reg;
volatile unsigned char int_cmd_reg;
};
#define INTERSIL_STOP 0x0
#define INTERSIL_START 0x8
#define INTERSIL_INTR_DISABLE 0x0
#define INTERSIL_INTR_ENABLE 0x10
#define INTERSIL_32K 0x0
#define INTERSIL_NORMAL 0x0
#define INTERSIL_24H 0x4
#define INTERSIL_INT_100HZ 0x2
/* end of intersil info */
#endif
#endif /* !(_SPARC_MOSTEK_H) */

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/*
* mostek.h: Describes the various Mostek time of day clock registers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
* Added intersil code 05/25/98 Chris Davis (cdavis@cois.on.ca)
*/
#ifndef _SPARC_MOSTEK_H
#define _SPARC_MOSTEK_H
#include <asm/idprom.h>
#include <asm/io.h>
/* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ)
*
* Data
* Address Function
* Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0
* 7ff - - - - - - - - Year 00-99
* 7fe 0 0 0 - - - - - Month 01-12
* 7fd 0 0 - - - - - - Date 01-31
* 7fc 0 FT 0 0 0 - - - Day 01-07
* 7fb KS 0 - - - - - - Hours 00-23
* 7fa 0 - - - - - - - Minutes 00-59
* 7f9 ST - - - - - - - Seconds 00-59
* 7f8 W R S - - - - - Control
*
* * ST is STOP BIT
* * W is WRITE BIT
* * R is READ BIT
* * S is SIGN BIT
* * FT is FREQ TEST BIT
* * KS is KICK START BIT
*/
/* The Mostek 48t02 real time clock and NVRAM chip. The registers
* other than the control register are in binary coded decimal. Some
* control bits also live outside the control register.
*/
#define mostek_read(_addr) readb(_addr)
#define mostek_write(_addr,_val) writeb(_val, _addr)
#define MOSTEK_EEPROM 0x0000UL
#define MOSTEK_IDPROM 0x07d8UL
#define MOSTEK_CREG 0x07f8UL
#define MOSTEK_SEC 0x07f9UL
#define MOSTEK_MIN 0x07faUL
#define MOSTEK_HOUR 0x07fbUL
#define MOSTEK_DOW 0x07fcUL
#define MOSTEK_DOM 0x07fdUL
#define MOSTEK_MONTH 0x07feUL
#define MOSTEK_YEAR 0x07ffUL
struct mostek48t02 {
volatile char eeprom[2008]; /* This is the eeprom, don't touch! */
struct idprom idprom; /* The idprom lives here. */
volatile unsigned char creg; /* Control register */
volatile unsigned char sec; /* Seconds (0-59) */
volatile unsigned char min; /* Minutes (0-59) */
volatile unsigned char hour; /* Hour (0-23) */
volatile unsigned char dow; /* Day of the week (1-7) */
volatile unsigned char dom; /* Day of the month (1-31) */
volatile unsigned char month; /* Month of year (1-12) */
volatile unsigned char year; /* Year (0-99) */
};
extern spinlock_t mostek_lock;
extern void __iomem *mstk48t02_regs;
/* Control register values. */
#define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */
#define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */
#define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */
/* Control bits that live in the other registers. */
#define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */
#define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */
#define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */
#define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */
#define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO)
/* Masks that define how much space each value takes up. */
#define MSTK_SEC_MASK 0x7f
#define MSTK_MIN_MASK 0x7f
#define MSTK_HOUR_MASK 0x3f
#define MSTK_DOW_MASK 0x07
#define MSTK_DOM_MASK 0x3f
#define MSTK_MONTH_MASK 0x1f
#define MSTK_YEAR_MASK 0xffU
/* Binary coded decimal conversion macros. */
#define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04))
#define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A))
/* Generic register set and get macros for internal use. */
#define MSTK_GET(regs,var,mask) (MSTK_REGVAL_TO_DECIMAL(((struct mostek48t02 *)regs)->var & MSTK_ ## mask ## _MASK))
#define MSTK_SET(regs,var,value,mask) do { ((struct mostek48t02 *)regs)->var &= ~(MSTK_ ## mask ## _MASK); ((struct mostek48t02 *)regs)->var |= MSTK_DECIMAL_TO_REGVAL(value) & (MSTK_ ## mask ## _MASK); } while (0)
/* Macros to make register access easier on our fingers. These give you
* the decimal value of the register requested if applicable. You pass
* the a pointer to a 'struct mostek48t02'.
*/
#define MSTK_REG_CREG(regs) (((struct mostek48t02 *)regs)->creg)
#define MSTK_REG_SEC(regs) MSTK_GET(regs,sec,SEC)
#define MSTK_REG_MIN(regs) MSTK_GET(regs,min,MIN)
#define MSTK_REG_HOUR(regs) MSTK_GET(regs,hour,HOUR)
#define MSTK_REG_DOW(regs) MSTK_GET(regs,dow,DOW)
#define MSTK_REG_DOM(regs) MSTK_GET(regs,dom,DOM)
#define MSTK_REG_MONTH(regs) MSTK_GET(regs,month,MONTH)
#define MSTK_REG_YEAR(regs) MSTK_GET(regs,year,YEAR)
#define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,sec,value,SEC)
#define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,min,value,MIN)
#define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,hour,value,HOUR)
#define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,dow,value,DOW)
#define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,dom,value,DOM)
#define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,month,value,MONTH)
#define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,year,value,YEAR)
/* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the
* same (basically) layout of the 48t02 chip except for the extra
* NVRAM on board (8 KB against the 48t02's 2 KB).
*/
struct mostek48t08 {
char offset[6*1024]; /* Magic things may be here, who knows? */
struct mostek48t02 regs; /* Here is what we are interested in. */
};
#ifdef CONFIG_SUN4
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
INTERSIL, MSTK_INVALID };
#else
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
MSTK_INVALID };
#endif
#ifdef CONFIG_SUN4
/* intersil on a sun 4/260 code data from harris doc */
struct intersil_dt {
volatile unsigned char int_csec;
volatile unsigned char int_hour;
volatile unsigned char int_min;
volatile unsigned char int_sec;
volatile unsigned char int_month;
volatile unsigned char int_day;
volatile unsigned char int_year;
volatile unsigned char int_dow;
};
struct intersil {
struct intersil_dt clk;
struct intersil_dt cmp;
volatile unsigned char int_intr_reg;
volatile unsigned char int_cmd_reg;
};
#define INTERSIL_STOP 0x0
#define INTERSIL_START 0x8
#define INTERSIL_INTR_DISABLE 0x0
#define INTERSIL_INTR_ENABLE 0x10
#define INTERSIL_32K 0x0
#define INTERSIL_NORMAL 0x0
#define INTERSIL_24H 0x4
#define INTERSIL_INT_100HZ 0x2
/* end of intersil info */
#endif
#endif /* !(_SPARC_MOSTEK_H) */

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/* mostek.h: Describes the various Mostek time of day clock registers.
*
* Copyright (C) 1995 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
*/
#ifndef _SPARC64_MOSTEK_H
#define _SPARC64_MOSTEK_H
#include <asm/idprom.h>
/* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ)
*
* Data
* Address Function
* Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0
* 7ff - - - - - - - - Year 00-99
* 7fe 0 0 0 - - - - - Month 01-12
* 7fd 0 0 - - - - - - Date 01-31
* 7fc 0 FT 0 0 0 - - - Day 01-07
* 7fb KS 0 - - - - - - Hours 00-23
* 7fa 0 - - - - - - - Minutes 00-59
* 7f9 ST - - - - - - - Seconds 00-59
* 7f8 W R S - - - - - Control
*
* * ST is STOP BIT
* * W is WRITE BIT
* * R is READ BIT
* * S is SIGN BIT
* * FT is FREQ TEST BIT
* * KS is KICK START BIT
*/
/* The Mostek 48t02 real time clock and NVRAM chip. The registers
* other than the control register are in binary coded decimal. Some
* control bits also live outside the control register.
*
* We now deal with physical addresses for I/O to the chip. -DaveM
*/
static inline u8 mostek_read(void __iomem *addr)
{
u8 ret;
__asm__ __volatile__("lduba [%1] %2, %0"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline void mostek_write(void __iomem *addr, u8 val)
{
__asm__ __volatile__("stba %0, [%1] %2"
: /* no outputs */
: "r" (val), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
#define MOSTEK_EEPROM 0x0000UL
#define MOSTEK_IDPROM 0x07d8UL
#define MOSTEK_CREG 0x07f8UL
#define MOSTEK_SEC 0x07f9UL
#define MOSTEK_MIN 0x07faUL
#define MOSTEK_HOUR 0x07fbUL
#define MOSTEK_DOW 0x07fcUL
#define MOSTEK_DOM 0x07fdUL
#define MOSTEK_MONTH 0x07feUL
#define MOSTEK_YEAR 0x07ffUL
extern spinlock_t mostek_lock;
extern void __iomem *mstk48t02_regs;
/* Control register values. */
#define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */
#define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */
#define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */
/* Control bits that live in the other registers. */
#define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */
#define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */
#define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */
#define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */
#define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO)
/* Masks that define how much space each value takes up. */
#define MSTK_SEC_MASK 0x7f
#define MSTK_MIN_MASK 0x7f
#define MSTK_HOUR_MASK 0x3f
#define MSTK_DOW_MASK 0x07
#define MSTK_DOM_MASK 0x3f
#define MSTK_MONTH_MASK 0x1f
#define MSTK_YEAR_MASK 0xffU
/* Binary coded decimal conversion macros. */
#define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04))
#define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A))
/* Generic register set and get macros for internal use. */
#define MSTK_GET(regs,name) \
(MSTK_REGVAL_TO_DECIMAL(mostek_read(regs + MOSTEK_ ## name) & MSTK_ ## name ## _MASK))
#define MSTK_SET(regs,name,value) \
do { u8 __val = mostek_read(regs + MOSTEK_ ## name); \
__val &= ~(MSTK_ ## name ## _MASK); \
__val |= (MSTK_DECIMAL_TO_REGVAL(value) & \
(MSTK_ ## name ## _MASK)); \
mostek_write(regs + MOSTEK_ ## name, __val); \
} while(0)
/* Macros to make register access easier on our fingers. These give you
* the decimal value of the register requested if applicable. You pass
* the a pointer to a 'struct mostek48t02'.
*/
#define MSTK_REG_CREG(regs) (mostek_read((regs) + MOSTEK_CREG))
#define MSTK_REG_SEC(regs) MSTK_GET(regs,SEC)
#define MSTK_REG_MIN(regs) MSTK_GET(regs,MIN)
#define MSTK_REG_HOUR(regs) MSTK_GET(regs,HOUR)
#define MSTK_REG_DOW(regs) MSTK_GET(regs,DOW)
#define MSTK_REG_DOM(regs) MSTK_GET(regs,DOM)
#define MSTK_REG_MONTH(regs) MSTK_GET(regs,MONTH)
#define MSTK_REG_YEAR(regs) MSTK_GET(regs,YEAR)
#define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,SEC,value)
#define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,MIN,value)
#define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,HOUR,value)
#define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,DOW,value)
#define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,DOM,value)
#define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,MONTH,value)
#define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,YEAR,value)
/* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the
* same (basically) layout of the 48t02 chip except for the extra
* NVRAM on board (8 KB against the 48t02's 2 KB).
*/
#define MOSTEK_48T08_OFFSET 0x0000UL /* Lower NVRAM portions */
#define MOSTEK_48T08_48T02 0x1800UL /* Offset to 48T02 chip */
/* SUN5 systems usually have 48t59 model clock chipsets. But we keep the older
* clock chip definitions around just in case.
*/
#define MOSTEK_48T59_OFFSET 0x0000UL /* Lower NVRAM portions */
#define MOSTEK_48T59_48T02 0x1800UL /* Offset to 48T02 chip */
#endif /* !(_SPARC64_MOSTEK_H) */

21
include/asm-sparc/namei.h
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@ -1,13 +1,8 @@
/*
* linux/include/asm-sparc/namei.h
*
* Routines to handle famous /usr/gnemul/s*.
* Included from linux/fs/namei.c
*/
#ifndef __SPARC_NAMEI_H
#define __SPARC_NAMEI_H
#define __emul_prefix() NULL
#endif /* __SPARC_NAMEI_H */
#ifndef ___ASM_SPARC_NAMEI_H
#define ___ASM_SPARC_NAMEI_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/namei_64.h>
#else
#include <asm-sparc/namei_32.h>
#endif
#endif

13
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/*
* linux/include/asm-sparc/namei.h
*
* Routines to handle famous /usr/gnemul/s*.
* Included from linux/fs/namei.c
*/
#ifndef __SPARC_NAMEI_H
#define __SPARC_NAMEI_H
#define __emul_prefix() NULL
#endif /* __SPARC_NAMEI_H */

13
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/*
* linux/include/asm-sparc64/namei.h
*
* Routines to handle famous /usr/gnemul/s*.
* Included from linux/fs/namei.c
*/
#ifndef __SPARC64_NAMEI_H
#define __SPARC64_NAMEI_H
#define __emul_prefix() NULL
#endif /* __SPARC64_NAMEI_H */

32
include/asm-sparc/of_platform.h
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@ -1,24 +1,8 @@
#ifndef _ASM_SPARC_OF_PLATFORM_H
#define _ASM_SPARC_OF_PLATFORM_H
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
* Modified for Sparc by merging parts of asm-sparc/of_device.h
* by Stephen Rothwell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
/* This is just here during the transition */
#include <linux/of_platform.h>
extern struct bus_type ebus_bus_type;
extern struct bus_type sbus_bus_type;
#define of_bus_type of_platform_bus_type /* for compatibility */
#endif /* _ASM_SPARC_OF_PLATFORM_H */
#ifndef ___ASM_SPARC_OF_PLATFORM_H
#define ___ASM_SPARC_OF_PLATFORM_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/of_platform_64.h>
#else
#include <asm-sparc/of_platform_32.h>
#endif
#endif

24
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#ifndef _ASM_SPARC_OF_PLATFORM_H
#define _ASM_SPARC_OF_PLATFORM_H
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
* Modified for Sparc by merging parts of asm-sparc/of_device.h
* by Stephen Rothwell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
/* This is just here during the transition */
#include <linux/of_platform.h>
extern struct bus_type ebus_bus_type;
extern struct bus_type sbus_bus_type;
#define of_bus_type of_platform_bus_type /* for compatibility */
#endif /* _ASM_SPARC_OF_PLATFORM_H */

25
include/asm-sparc/of_platform_64.h 100644
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#ifndef _ASM_SPARC64_OF_PLATFORM_H
#define _ASM_SPARC64_OF_PLATFORM_H
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
* Modified for Sparc by merging parts of asm-sparc/of_device.h
* by Stephen Rothwell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
/* This is just here during the transition */
#include <linux/of_platform.h>
extern struct bus_type isa_bus_type;
extern struct bus_type ebus_bus_type;
extern struct bus_type sbus_bus_type;
#define of_bus_type of_platform_bus_type /* for compatibility */
#endif /* _ASM_SPARC64_OF_PLATFORM_H */

263
include/asm-sparc/openprom.h
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@ -1,255 +1,8 @@
#ifndef __SPARC_OPENPROM_H
#define __SPARC_OPENPROM_H
/* openprom.h: Prom structures and defines for access to the OPENBOOT
* prom routines and data areas.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
/* Empirical constants... */
#define LINUX_OPPROM_MAGIC 0x10010407
#ifndef __ASSEMBLY__
/* V0 prom device operations. */
struct linux_dev_v0_funcs {
int (*v0_devopen)(char *device_str);
int (*v0_devclose)(int dev_desc);
int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
};
/* V2 and later prom device operations. */
struct linux_dev_v2_funcs {
int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */
char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
void (*v2_dumb_mem_free)(char *va, unsigned sz);
/* To map devices into virtual I/O space. */
char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
void (*v2_dumb_munmap)(char *virta, unsigned size);
int (*v2_dev_open)(char *devpath);
void (*v2_dev_close)(int d);
int (*v2_dev_read)(int d, char *buf, int nbytes);
int (*v2_dev_write)(int d, char *buf, int nbytes);
int (*v2_dev_seek)(int d, int hi, int lo);
/* Never issued (multistage load support) */
void (*v2_wheee2)(void);
void (*v2_wheee3)(void);
};
struct linux_mlist_v0 {
struct linux_mlist_v0 *theres_more;
char *start_adr;
unsigned num_bytes;
};
struct linux_mem_v0 {
struct linux_mlist_v0 **v0_totphys;
struct linux_mlist_v0 **v0_prommap;
struct linux_mlist_v0 **v0_available; /* What we can use */
};
/* Arguments sent to the kernel from the boot prompt. */
struct linux_arguments_v0 {
char *argv[8];
char args[100];
char boot_dev[2];
int boot_dev_ctrl;
int boot_dev_unit;
int dev_partition;
char *kernel_file_name;
void *aieee1; /* XXX */
};
/* V2 and up boot things. */
struct linux_bootargs_v2 {
char **bootpath;
char **bootargs;
int *fd_stdin;
int *fd_stdout;
};
/* The top level PROM vector. */
struct linux_romvec {
/* Version numbers. */
unsigned int pv_magic_cookie;
unsigned int pv_romvers;
unsigned int pv_plugin_revision;
unsigned int pv_printrev;
/* Version 0 memory descriptors. */
struct linux_mem_v0 pv_v0mem;
/* Node operations. */
struct linux_nodeops *pv_nodeops;
char **pv_bootstr;
struct linux_dev_v0_funcs pv_v0devops;
char *pv_stdin;
char *pv_stdout;
#define PROMDEV_KBD 0 /* input from keyboard */
#define PROMDEV_SCREEN 0 /* output to screen */
#define PROMDEV_TTYA 1 /* in/out to ttya */
#define PROMDEV_TTYB 2 /* in/out to ttyb */
/* Blocking getchar/putchar. NOT REENTRANT! (grr) */
int (*pv_getchar)(void);
void (*pv_putchar)(int ch);
/* Non-blocking variants. */
int (*pv_nbgetchar)(void);
int (*pv_nbputchar)(int ch);
void (*pv_putstr)(char *str, int len);
/* Miscellany. */
void (*pv_reboot)(char *bootstr);
void (*pv_printf)(__const__ char *fmt, ...);
void (*pv_abort)(void);
__volatile__ int *pv_ticks;
void (*pv_halt)(void);
void (**pv_synchook)(void);
/* Evaluate a forth string, not different proto for V0 and V2->up. */
union {
void (*v0_eval)(int len, char *str);
void (*v2_eval)(char *str);
} pv_fortheval;
struct linux_arguments_v0 **pv_v0bootargs;
/* Get ether address. */
unsigned int (*pv_enaddr)(int d, char *enaddr);
struct linux_bootargs_v2 pv_v2bootargs;
struct linux_dev_v2_funcs pv_v2devops;
int filler[15];
/* This one is sun4c/sun4 only. */
void (*pv_setctxt)(int ctxt, char *va, int pmeg);
/* Prom version 3 Multiprocessor routines. This stuff is crazy.
* No joke. Calling these when there is only one cpu probably
* crashes the machine, have to test this. :-)
*/
/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
* 'thiscontext' executing at address 'prog_counter'
*/
int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
int thiscontext, char *prog_counter);
/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
* until a resume cpu call is made.
*/
int (*v3_cpustop)(unsigned int whichcpu);
/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
* resume cpu call is made.
*/
int (*v3_cpuidle)(unsigned int whichcpu);
/* v3_cpuresume() will resume processor 'whichcpu' executing
* starting with whatever 'pc' and 'npc' were left at the
* last 'idle' or 'stop' call.
*/
int (*v3_cpuresume)(unsigned int whichcpu);
};
/* Routines for traversing the prom device tree. */
struct linux_nodeops {
int (*no_nextnode)(int node);
int (*no_child)(int node);
int (*no_proplen)(int node, char *name);
int (*no_getprop)(int node, char *name, char *val);
int (*no_setprop)(int node, char *name, char *val, int len);
char * (*no_nextprop)(int node, char *name);
};
/* More fun PROM structures for device probing. */
#define PROMREG_MAX 16
#define PROMVADDR_MAX 16
#define PROMINTR_MAX 15
struct linux_prom_registers {
unsigned int which_io; /* is this in OBIO space? */
unsigned int phys_addr; /* The physical address of this register */
unsigned int reg_size; /* How many bytes does this register take up? */
};
struct linux_prom_irqs {
int pri; /* IRQ priority */
int vector; /* This is foobar, what does it do? */
};
/* Element of the "ranges" vector */
struct linux_prom_ranges {
unsigned int ot_child_space;
unsigned int ot_child_base; /* Bus feels this */
unsigned int ot_parent_space;
unsigned int ot_parent_base; /* CPU looks from here */
unsigned int or_size;
};
/* Ranges and reg properties are a bit different for PCI. */
struct linux_prom_pci_registers {
/*
* We don't know what information this field contain.
* We guess, PCI device function is in bits 15:8
* So, ...
*/
unsigned int which_io; /* Let it be which_io */
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_ranges {
unsigned int child_phys_hi; /* Only certain bits are encoded here. */
unsigned int child_phys_mid;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_assigned_addresses {
unsigned int which_io;
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_ebus_ranges {
unsigned int child_phys_hi;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_mid;
unsigned int parent_phys_lo;
unsigned int size;
};
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_OPENPROM_H) */
#ifndef ___ASM_SPARC_OPENPROM_H
#define ___ASM_SPARC_OPENPROM_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/openprom_64.h>
#else
#include <asm-sparc/openprom_32.h>
#endif
#endif

255
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#ifndef __SPARC_OPENPROM_H
#define __SPARC_OPENPROM_H
/* openprom.h: Prom structures and defines for access to the OPENBOOT
* prom routines and data areas.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
/* Empirical constants... */
#define LINUX_OPPROM_MAGIC 0x10010407
#ifndef __ASSEMBLY__
/* V0 prom device operations. */
struct linux_dev_v0_funcs {
int (*v0_devopen)(char *device_str);
int (*v0_devclose)(int dev_desc);
int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
};
/* V2 and later prom device operations. */
struct linux_dev_v2_funcs {
int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */
char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
void (*v2_dumb_mem_free)(char *va, unsigned sz);
/* To map devices into virtual I/O space. */
char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
void (*v2_dumb_munmap)(char *virta, unsigned size);
int (*v2_dev_open)(char *devpath);
void (*v2_dev_close)(int d);
int (*v2_dev_read)(int d, char *buf, int nbytes);
int (*v2_dev_write)(int d, char *buf, int nbytes);
int (*v2_dev_seek)(int d, int hi, int lo);
/* Never issued (multistage load support) */
void (*v2_wheee2)(void);
void (*v2_wheee3)(void);
};
struct linux_mlist_v0 {
struct linux_mlist_v0 *theres_more;
char *start_adr;
unsigned num_bytes;
};
struct linux_mem_v0 {
struct linux_mlist_v0 **v0_totphys;
struct linux_mlist_v0 **v0_prommap;
struct linux_mlist_v0 **v0_available; /* What we can use */
};
/* Arguments sent to the kernel from the boot prompt. */
struct linux_arguments_v0 {
char *argv[8];
char args[100];
char boot_dev[2];
int boot_dev_ctrl;
int boot_dev_unit;
int dev_partition;
char *kernel_file_name;
void *aieee1; /* XXX */
};
/* V2 and up boot things. */
struct linux_bootargs_v2 {
char **bootpath;
char **bootargs;
int *fd_stdin;
int *fd_stdout;
};
/* The top level PROM vector. */
struct linux_romvec {
/* Version numbers. */
unsigned int pv_magic_cookie;
unsigned int pv_romvers;
unsigned int pv_plugin_revision;
unsigned int pv_printrev;
/* Version 0 memory descriptors. */
struct linux_mem_v0 pv_v0mem;
/* Node operations. */
struct linux_nodeops *pv_nodeops;
char **pv_bootstr;
struct linux_dev_v0_funcs pv_v0devops;
char *pv_stdin;
char *pv_stdout;
#define PROMDEV_KBD 0 /* input from keyboard */
#define PROMDEV_SCREEN 0 /* output to screen */
#define PROMDEV_TTYA 1 /* in/out to ttya */
#define PROMDEV_TTYB 2 /* in/out to ttyb */
/* Blocking getchar/putchar. NOT REENTRANT! (grr) */
int (*pv_getchar)(void);
void (*pv_putchar)(int ch);
/* Non-blocking variants. */
int (*pv_nbgetchar)(void);
int (*pv_nbputchar)(int ch);
void (*pv_putstr)(char *str, int len);
/* Miscellany. */
void (*pv_reboot)(char *bootstr);
void (*pv_printf)(__const__ char *fmt, ...);
void (*pv_abort)(void);
__volatile__ int *pv_ticks;
void (*pv_halt)(void);
void (**pv_synchook)(void);
/* Evaluate a forth string, not different proto for V0 and V2->up. */
union {
void (*v0_eval)(int len, char *str);
void (*v2_eval)(char *str);
} pv_fortheval;
struct linux_arguments_v0 **pv_v0bootargs;
/* Get ether address. */
unsigned int (*pv_enaddr)(int d, char *enaddr);
struct linux_bootargs_v2 pv_v2bootargs;
struct linux_dev_v2_funcs pv_v2devops;
int filler[15];
/* This one is sun4c/sun4 only. */
void (*pv_setctxt)(int ctxt, char *va, int pmeg);
/* Prom version 3 Multiprocessor routines. This stuff is crazy.
* No joke. Calling these when there is only one cpu probably
* crashes the machine, have to test this. :-)
*/
/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
* 'thiscontext' executing at address 'prog_counter'
*/
int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
int thiscontext, char *prog_counter);
/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
* until a resume cpu call is made.
*/
int (*v3_cpustop)(unsigned int whichcpu);
/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
* resume cpu call is made.
*/
int (*v3_cpuidle)(unsigned int whichcpu);
/* v3_cpuresume() will resume processor 'whichcpu' executing
* starting with whatever 'pc' and 'npc' were left at the
* last 'idle' or 'stop' call.
*/
int (*v3_cpuresume)(unsigned int whichcpu);
};
/* Routines for traversing the prom device tree. */
struct linux_nodeops {
int (*no_nextnode)(int node);
int (*no_child)(int node);
int (*no_proplen)(int node, char *name);
int (*no_getprop)(int node, char *name, char *val);
int (*no_setprop)(int node, char *name, char *val, int len);
char * (*no_nextprop)(int node, char *name);
};
/* More fun PROM structures for device probing. */
#define PROMREG_MAX 16
#define PROMVADDR_MAX 16
#define PROMINTR_MAX 15
struct linux_prom_registers {
unsigned int which_io; /* is this in OBIO space? */
unsigned int phys_addr; /* The physical address of this register */
unsigned int reg_size; /* How many bytes does this register take up? */
};
struct linux_prom_irqs {
int pri; /* IRQ priority */
int vector; /* This is foobar, what does it do? */
};
/* Element of the "ranges" vector */
struct linux_prom_ranges {
unsigned int ot_child_space;
unsigned int ot_child_base; /* Bus feels this */
unsigned int ot_parent_space;
unsigned int ot_parent_base; /* CPU looks from here */
unsigned int or_size;
};
/* Ranges and reg properties are a bit different for PCI. */
struct linux_prom_pci_registers {
/*
* We don't know what information this field contain.
* We guess, PCI device function is in bits 15:8
* So, ...
*/
unsigned int which_io; /* Let it be which_io */
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_ranges {
unsigned int child_phys_hi; /* Only certain bits are encoded here. */
unsigned int child_phys_mid;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_assigned_addresses {
unsigned int which_io;
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_ebus_ranges {
unsigned int child_phys_hi;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_mid;
unsigned int parent_phys_lo;
unsigned int size;
};
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_OPENPROM_H) */

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#ifndef __SPARC64_OPENPROM_H
#define __SPARC64_OPENPROM_H
/* openprom.h: Prom structures and defines for access to the OPENBOOT
* prom routines and data areas.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef __ASSEMBLY__
/* V0 prom device operations. */
struct linux_dev_v0_funcs {
int (*v0_devopen)(char *device_str);
int (*v0_devclose)(int dev_desc);
int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
};
/* V2 and later prom device operations. */
struct linux_dev_v2_funcs {
int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */
char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
void (*v2_dumb_mem_free)(char *va, unsigned sz);
/* To map devices into virtual I/O space. */
char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
void (*v2_dumb_munmap)(char *virta, unsigned size);
int (*v2_dev_open)(char *devpath);
void (*v2_dev_close)(int d);
int (*v2_dev_read)(int d, char *buf, int nbytes);
int (*v2_dev_write)(int d, char *buf, int nbytes);
int (*v2_dev_seek)(int d, int hi, int lo);
/* Never issued (multistage load support) */
void (*v2_wheee2)(void);
void (*v2_wheee3)(void);
};
struct linux_mlist_v0 {
struct linux_mlist_v0 *theres_more;
unsigned start_adr;
unsigned num_bytes;
};
struct linux_mem_v0 {
struct linux_mlist_v0 **v0_totphys;
struct linux_mlist_v0 **v0_prommap;
struct linux_mlist_v0 **v0_available; /* What we can use */
};
/* Arguments sent to the kernel from the boot prompt. */
struct linux_arguments_v0 {
char *argv[8];
char args[100];
char boot_dev[2];
int boot_dev_ctrl;
int boot_dev_unit;
int dev_partition;
char *kernel_file_name;
void *aieee1; /* XXX */
};
/* V2 and up boot things. */
struct linux_bootargs_v2 {
char **bootpath;
char **bootargs;
int *fd_stdin;
int *fd_stdout;
};
/* The top level PROM vector. */
struct linux_romvec {
/* Version numbers. */
unsigned int pv_magic_cookie;
unsigned int pv_romvers;
unsigned int pv_plugin_revision;
unsigned int pv_printrev;
/* Version 0 memory descriptors. */
struct linux_mem_v0 pv_v0mem;
/* Node operations. */
struct linux_nodeops *pv_nodeops;
char **pv_bootstr;
struct linux_dev_v0_funcs pv_v0devops;
char *pv_stdin;
char *pv_stdout;
#define PROMDEV_KBD 0 /* input from keyboard */
#define PROMDEV_SCREEN 0 /* output to screen */
#define PROMDEV_TTYA 1 /* in/out to ttya */
#define PROMDEV_TTYB 2 /* in/out to ttyb */
/* Blocking getchar/putchar. NOT REENTRANT! (grr) */
int (*pv_getchar)(void);
void (*pv_putchar)(int ch);
/* Non-blocking variants. */
int (*pv_nbgetchar)(void);
int (*pv_nbputchar)(int ch);
void (*pv_putstr)(char *str, int len);
/* Miscellany. */
void (*pv_reboot)(char *bootstr);
void (*pv_printf)(__const__ char *fmt, ...);
void (*pv_abort)(void);
__volatile__ int *pv_ticks;
void (*pv_halt)(void);
void (**pv_synchook)(void);
/* Evaluate a forth string, not different proto for V0 and V2->up. */
union {
void (*v0_eval)(int len, char *str);
void (*v2_eval)(char *str);
} pv_fortheval;
struct linux_arguments_v0 **pv_v0bootargs;
/* Get ether address. */
unsigned int (*pv_enaddr)(int d, char *enaddr);
struct linux_bootargs_v2 pv_v2bootargs;
struct linux_dev_v2_funcs pv_v2devops;
int filler[15];
/* This one is sun4c/sun4 only. */
void (*pv_setctxt)(int ctxt, char *va, int pmeg);
/* Prom version 3 Multiprocessor routines. This stuff is crazy.
* No joke. Calling these when there is only one cpu probably
* crashes the machine, have to test this. :-)
*/
/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
* 'thiscontext' executing at address 'prog_counter'
*/
int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
int thiscontext, char *prog_counter);
/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
* until a resume cpu call is made.
*/
int (*v3_cpustop)(unsigned int whichcpu);
/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
* resume cpu call is made.
*/
int (*v3_cpuidle)(unsigned int whichcpu);
/* v3_cpuresume() will resume processor 'whichcpu' executing
* starting with whatever 'pc' and 'npc' were left at the
* last 'idle' or 'stop' call.
*/
int (*v3_cpuresume)(unsigned int whichcpu);
};
/* Routines for traversing the prom device tree. */
struct linux_nodeops {
int (*no_nextnode)(int node);
int (*no_child)(int node);
int (*no_proplen)(int node, char *name);
int (*no_getprop)(int node, char *name, char *val);
int (*no_setprop)(int node, char *name, char *val, int len);
char * (*no_nextprop)(int node, char *name);
};
/* More fun PROM structures for device probing. */
#define PROMREG_MAX 24
#define PROMVADDR_MAX 16
#define PROMINTR_MAX 32
struct linux_prom_registers {
unsigned which_io; /* hi part of physical address */
unsigned phys_addr; /* The physical address of this register */
int reg_size; /* How many bytes does this register take up? */
};
struct linux_prom64_registers {
unsigned long phys_addr;
unsigned long reg_size;
};
struct linux_prom_irqs {
int pri; /* IRQ priority */
int vector; /* This is foobar, what does it do? */
};
/* Element of the "ranges" vector */
struct linux_prom_ranges {
unsigned int ot_child_space;
unsigned int ot_child_base; /* Bus feels this */
unsigned int ot_parent_space;
unsigned int ot_parent_base; /* CPU looks from here */
unsigned int or_size;
};
struct linux_prom64_ranges {
unsigned long ot_child_base; /* Bus feels this */
unsigned long ot_parent_base; /* CPU looks from here */
unsigned long or_size;
};
/* Ranges and reg properties are a bit different for PCI. */
struct linux_prom_pci_registers {
unsigned int phys_hi;
unsigned int phys_mid;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_ranges {
unsigned int child_phys_hi; /* Only certain bits are encoded here. */
unsigned int child_phys_mid;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_intmap {
unsigned int phys_hi;
unsigned int phys_mid;
unsigned int phys_lo;
unsigned int interrupt;
int cnode;
unsigned int cinterrupt;
};
struct linux_prom_pci_intmask {
unsigned int phys_hi;
unsigned int phys_mid;
unsigned int phys_lo;
unsigned int interrupt;
};
struct linux_prom_ebus_ranges {
unsigned int child_phys_hi;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_mid;
unsigned int parent_phys_lo;
unsigned int size;
};
struct linux_prom_ebus_intmap {
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int interrupt;
int cnode;
unsigned int cinterrupt;
};
struct linux_prom_ebus_intmask {
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int interrupt;
};
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC64_OPENPROM_H) */

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/*
* oplib.h: Describes the interface and available routines in the
* Linux Prom library.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef __SPARC_OPLIB_H
#define __SPARC_OPLIB_H
#include <asm/openprom.h>
#include <linux/spinlock.h>
#include <linux/compiler.h>
/* The master romvec pointer... */
extern struct linux_romvec *romvec;
/* Enumeration to describe the prom major version we have detected. */
enum prom_major_version {
PROM_V0, /* Original sun4c V0 prom */
PROM_V2, /* sun4c and early sun4m V2 prom */
PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */
PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */
PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */
};
extern enum prom_major_version prom_vers;
/* Revision, and firmware revision. */
extern unsigned int prom_rev, prom_prev;
/* Root node of the prom device tree, this stays constant after
* initialization is complete.
*/
extern int prom_root_node;
/* Pointer to prom structure containing the device tree traversal
* and usage utility functions. Only prom-lib should use these,
* users use the interface defined by the library only!
*/
extern struct linux_nodeops *prom_nodeops;
/* The functions... */
/* You must call prom_init() before using any of the library services,
* preferably as early as possible. Pass it the romvec pointer.
*/
extern void prom_init(struct linux_romvec *rom_ptr);
/* Boot argument acquisition, returns the boot command line string. */
extern char *prom_getbootargs(void);
/* Device utilities. */
/* Map and unmap devices in IO space at virtual addresses. Note that the
* virtual address you pass is a request and the prom may put your mappings
* somewhere else, so check your return value as that is where your new
* mappings really are!
*
* Another note, these are only available on V2 or higher proms!
*/
extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes);
extern void prom_unmapio(char *virt_addr, unsigned int num_bytes);
/* Device operations. */
/* Open the device described by the passed string. Note, that the format
* of the string is different on V0 vs. V2->higher proms. The caller must
* know what he/she is doing! Returns the device descriptor, an int.
*/
extern int prom_devopen(char *device_string);
/* Close a previously opened device described by the passed integer
* descriptor.
*/
extern int prom_devclose(int device_handle);
/* Do a seek operation on the device described by the passed integer
* descriptor.
*/
extern void prom_seek(int device_handle, unsigned int seek_hival,
unsigned int seek_lowval);
/* Miscellaneous routines, don't really fit in any category per se. */
/* Reboot the machine with the command line passed. */
extern void prom_reboot(char *boot_command);
/* Evaluate the forth string passed. */
extern void prom_feval(char *forth_string);
/* Enter the prom, with possibility of continuation with the 'go'
* command in newer proms.
*/
extern void prom_cmdline(void);
/* Enter the prom, with no chance of continuation for the stand-alone
* which calls this.
*/
extern void prom_halt(void) __attribute__ ((noreturn));
/* Set the PROM 'sync' callback function to the passed function pointer.
* When the user gives the 'sync' command at the prom prompt while the
* kernel is still active, the prom will call this routine.
*
* XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX
*/
typedef void (*sync_func_t)(void);
extern void prom_setsync(sync_func_t func_ptr);
/* Acquire the IDPROM of the root node in the prom device tree. This
* gets passed a buffer where you would like it stuffed. The return value
* is the format type of this idprom or 0xff on error.
*/
extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Get the prom major version. */
extern int prom_version(void);
/* Get the prom plugin revision. */
extern int prom_getrev(void);
/* Get the prom firmware revision. */
extern int prom_getprev(void);
/* Character operations to/from the console.... */
/* Non-blocking get character from console. */
extern int prom_nbgetchar(void);
/* Non-blocking put character to console. */
extern int prom_nbputchar(char character);
/* Blocking get character from console. */
extern char prom_getchar(void);
/* Blocking put character to console. */
extern void prom_putchar(char character);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(char *fmt, ...);
extern void prom_write(const char *buf, unsigned int len);
/* Multiprocessor operations... */
/* Start the CPU with the given device tree node, context table, and context
* at the passed program counter.
*/
extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
int context, char *program_counter);
/* Stop the CPU with the passed device tree node. */
extern int prom_stopcpu(int cpunode);
/* Idle the CPU with the passed device tree node. */
extern int prom_idlecpu(int cpunode);
/* Re-Start the CPU with the passed device tree node. */
extern int prom_restartcpu(int cpunode);
/* PROM memory allocation facilities... */
/* Allocated at possibly the given virtual address a chunk of the
* indicated size.
*/
extern char *prom_alloc(char *virt_hint, unsigned int size);
/* Free a previously allocated chunk. */
extern void prom_free(char *virt_addr, unsigned int size);
/* Sun4/sun4c specific memory-management startup hook. */
/* Map the passed segment in the given context at the passed
* virtual address.
*/
extern void prom_putsegment(int context, unsigned long virt_addr,
int physical_segment);
/* PROM device tree traversal functions... */
#ifdef PROMLIB_INTERNAL
/* Internal version of prom_getchild. */
extern int __prom_getchild(int parent_node);
/* Internal version of prom_getsibling. */
extern int __prom_getsibling(int node);
#ifndef ___ASM_SPARC_OPLIB_H
#define ___ASM_SPARC_OPLIB_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/oplib_64.h>
#else
#include <asm-sparc/oplib_32.h>
#endif
#endif
/* Get the child node of the given node, or zero if no child exists. */
extern int prom_getchild(int parent_node);
/* Get the next sibling node of the given node, or zero if no further
* siblings exist.
*/
extern int prom_getsibling(int node);
/* Get the length, at the passed node, of the given property type.
* Returns -1 on error (ie. no such property at this node).
*/
extern int prom_getproplen(int thisnode, char *property);
/* Fetch the requested property using the given buffer. Returns
* the number of bytes the prom put into your buffer or -1 on error.
*/
extern int __must_check prom_getproperty(int thisnode, char *property,
char *prop_buffer, int propbuf_size);
/* Acquire an integer property. */
extern int prom_getint(int node, char *property);
/* Acquire an integer property, with a default value. */
extern int prom_getintdefault(int node, char *property, int defval);
/* Acquire a boolean property, 0=FALSE 1=TRUE. */
extern int prom_getbool(int node, char *prop);
/* Acquire a string property, null string on error. */
extern void prom_getstring(int node, char *prop, char *buf, int bufsize);
/* Does the passed node have the given "name"? YES=1 NO=0 */
extern int prom_nodematch(int thisnode, char *name);
/* Search all siblings starting at the passed node for "name" matching
* the given string. Returns the node on success, zero on failure.
*/
extern int prom_searchsiblings(int node_start, char *name);
/* Return the first property type, as a string, for the given node.
* Returns a null string on error.
*/
extern char *prom_firstprop(int node, char *buffer);
/* Returns the next property after the passed property for the given
* node. Returns null string on failure.
*/
extern char *prom_nextprop(int node, char *prev_property, char *buffer);
/* Returns phandle of the path specified */
extern int prom_finddevice(char *name);
/* Returns 1 if the specified node has given property. */
extern int prom_node_has_property(int node, char *property);
/* Set the indicated property at the given node with the passed value.
* Returns the number of bytes of your value that the prom took.
*/
extern int prom_setprop(int node, char *prop_name, char *prop_value,
int value_size);
extern int prom_pathtoinode(char *path);
extern int prom_inst2pkg(int);
/* Dorking with Bus ranges... */
/* Apply promlib probes OBIO ranges to registers. */
extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs);
/* Apply ranges of any prom node (and optionally parent node as well) to registers. */
extern void prom_apply_generic_ranges(int node, int parent,
struct linux_prom_registers *sbusregs, int nregs);
/* CPU probing helpers. */
int cpu_find_by_instance(int instance, int *prom_node, int *mid);
int cpu_find_by_mid(int mid, int *prom_node);
int cpu_get_hwmid(int prom_node);
extern spinlock_t prom_lock;
#endif /* !(__SPARC_OPLIB_H) */

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/*
* oplib.h: Describes the interface and available routines in the
* Linux Prom library.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef __SPARC_OPLIB_H
#define __SPARC_OPLIB_H
#include <asm/openprom.h>
#include <linux/spinlock.h>
#include <linux/compiler.h>
/* The master romvec pointer... */
extern struct linux_romvec *romvec;
/* Enumeration to describe the prom major version we have detected. */
enum prom_major_version {
PROM_V0, /* Original sun4c V0 prom */
PROM_V2, /* sun4c and early sun4m V2 prom */
PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */
PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */
PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */
};
extern enum prom_major_version prom_vers;
/* Revision, and firmware revision. */
extern unsigned int prom_rev, prom_prev;
/* Root node of the prom device tree, this stays constant after
* initialization is complete.
*/
extern int prom_root_node;
/* Pointer to prom structure containing the device tree traversal
* and usage utility functions. Only prom-lib should use these,
* users use the interface defined by the library only!
*/
extern struct linux_nodeops *prom_nodeops;
/* The functions... */
/* You must call prom_init() before using any of the library services,
* preferably as early as possible. Pass it the romvec pointer.
*/
extern void prom_init(struct linux_romvec *rom_ptr);
/* Boot argument acquisition, returns the boot command line string. */
extern char *prom_getbootargs(void);
/* Device utilities. */
/* Map and unmap devices in IO space at virtual addresses. Note that the
* virtual address you pass is a request and the prom may put your mappings
* somewhere else, so check your return value as that is where your new
* mappings really are!
*
* Another note, these are only available on V2 or higher proms!
*/
extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes);
extern void prom_unmapio(char *virt_addr, unsigned int num_bytes);
/* Device operations. */
/* Open the device described by the passed string. Note, that the format
* of the string is different on V0 vs. V2->higher proms. The caller must
* know what he/she is doing! Returns the device descriptor, an int.
*/
extern int prom_devopen(char *device_string);
/* Close a previously opened device described by the passed integer
* descriptor.
*/
extern int prom_devclose(int device_handle);
/* Do a seek operation on the device described by the passed integer
* descriptor.
*/
extern void prom_seek(int device_handle, unsigned int seek_hival,
unsigned int seek_lowval);
/* Miscellaneous routines, don't really fit in any category per se. */
/* Reboot the machine with the command line passed. */
extern void prom_reboot(char *boot_command);
/* Evaluate the forth string passed. */
extern void prom_feval(char *forth_string);
/* Enter the prom, with possibility of continuation with the 'go'
* command in newer proms.
*/
extern void prom_cmdline(void);
/* Enter the prom, with no chance of continuation for the stand-alone
* which calls this.
*/
extern void prom_halt(void) __attribute__ ((noreturn));
/* Set the PROM 'sync' callback function to the passed function pointer.
* When the user gives the 'sync' command at the prom prompt while the
* kernel is still active, the prom will call this routine.
*
* XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX
*/
typedef void (*sync_func_t)(void);
extern void prom_setsync(sync_func_t func_ptr);
/* Acquire the IDPROM of the root node in the prom device tree. This
* gets passed a buffer where you would like it stuffed. The return value
* is the format type of this idprom or 0xff on error.
*/
extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Get the prom major version. */
extern int prom_version(void);
/* Get the prom plugin revision. */
extern int prom_getrev(void);
/* Get the prom firmware revision. */
extern int prom_getprev(void);
/* Character operations to/from the console.... */
/* Non-blocking get character from console. */
extern int prom_nbgetchar(void);
/* Non-blocking put character to console. */
extern int prom_nbputchar(char character);
/* Blocking get character from console. */
extern char prom_getchar(void);
/* Blocking put character to console. */
extern void prom_putchar(char character);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(char *fmt, ...);
extern void prom_write(const char *buf, unsigned int len);
/* Multiprocessor operations... */
/* Start the CPU with the given device tree node, context table, and context
* at the passed program counter.
*/
extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
int context, char *program_counter);
/* Stop the CPU with the passed device tree node. */
extern int prom_stopcpu(int cpunode);
/* Idle the CPU with the passed device tree node. */
extern int prom_idlecpu(int cpunode);
/* Re-Start the CPU with the passed device tree node. */
extern int prom_restartcpu(int cpunode);
/* PROM memory allocation facilities... */
/* Allocated at possibly the given virtual address a chunk of the
* indicated size.
*/
extern char *prom_alloc(char *virt_hint, unsigned int size);
/* Free a previously allocated chunk. */
extern void prom_free(char *virt_addr, unsigned int size);
/* Sun4/sun4c specific memory-management startup hook. */
/* Map the passed segment in the given context at the passed
* virtual address.
*/
extern void prom_putsegment(int context, unsigned long virt_addr,
int physical_segment);
/* PROM device tree traversal functions... */
#ifdef PROMLIB_INTERNAL
/* Internal version of prom_getchild. */
extern int __prom_getchild(int parent_node);
/* Internal version of prom_getsibling. */
extern int __prom_getsibling(int node);
#endif
/* Get the child node of the given node, or zero if no child exists. */
extern int prom_getchild(int parent_node);
/* Get the next sibling node of the given node, or zero if no further
* siblings exist.
*/
extern int prom_getsibling(int node);
/* Get the length, at the passed node, of the given property type.
* Returns -1 on error (ie. no such property at this node).
*/
extern int prom_getproplen(int thisnode, char *property);
/* Fetch the requested property using the given buffer. Returns
* the number of bytes the prom put into your buffer or -1 on error.
*/
extern int __must_check prom_getproperty(int thisnode, char *property,
char *prop_buffer, int propbuf_size);
/* Acquire an integer property. */
extern int prom_getint(int node, char *property);
/* Acquire an integer property, with a default value. */
extern int prom_getintdefault(int node, char *property, int defval);
/* Acquire a boolean property, 0=FALSE 1=TRUE. */
extern int prom_getbool(int node, char *prop);
/* Acquire a string property, null string on error. */
extern void prom_getstring(int node, char *prop, char *buf, int bufsize);
/* Does the passed node have the given "name"? YES=1 NO=0 */
extern int prom_nodematch(int thisnode, char *name);
/* Search all siblings starting at the passed node for "name" matching
* the given string. Returns the node on success, zero on failure.
*/
extern int prom_searchsiblings(int node_start, char *name);
/* Return the first property type, as a string, for the given node.
* Returns a null string on error.
*/
extern char *prom_firstprop(int node, char *buffer);
/* Returns the next property after the passed property for the given
* node. Returns null string on failure.
*/
extern char *prom_nextprop(int node, char *prev_property, char *buffer);
/* Returns phandle of the path specified */
extern int prom_finddevice(char *name);
/* Returns 1 if the specified node has given property. */
extern int prom_node_has_property(int node, char *property);
/* Set the indicated property at the given node with the passed value.
* Returns the number of bytes of your value that the prom took.
*/
extern int prom_setprop(int node, char *prop_name, char *prop_value,
int value_size);
extern int prom_pathtoinode(char *path);
extern int prom_inst2pkg(int);
/* Dorking with Bus ranges... */
/* Apply promlib probes OBIO ranges to registers. */
extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs);
/* Apply ranges of any prom node (and optionally parent node as well) to registers. */
extern void prom_apply_generic_ranges(int node, int parent,
struct linux_prom_registers *sbusregs, int nregs);
/* CPU probing helpers. */
int cpu_find_by_instance(int instance, int *prom_node, int *mid);
int cpu_find_by_mid(int mid, int *prom_node);
int cpu_get_hwmid(int prom_node);
extern spinlock_t prom_lock;
#endif /* !(__SPARC_OPLIB_H) */

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/* oplib.h: Describes the interface and available routines in the
* Linux Prom library.
*
* Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#ifndef __SPARC64_OPLIB_H
#define __SPARC64_OPLIB_H
#include <asm/openprom.h>
/* OBP version string. */
extern char prom_version[];
/* Root node of the prom device tree, this stays constant after
* initialization is complete.
*/
extern int prom_root_node;
/* PROM stdin and stdout */
extern int prom_stdin, prom_stdout;
/* /chosen node of the prom device tree, this stays constant after
* initialization is complete.
*/
extern int prom_chosen_node;
/* Helper values and strings in arch/sparc64/kernel/head.S */
extern const char prom_peer_name[];
extern const char prom_compatible_name[];
extern const char prom_root_compatible[];
extern const char prom_cpu_compatible[];
extern const char prom_finddev_name[];
extern const char prom_chosen_path[];
extern const char prom_cpu_path[];
extern const char prom_getprop_name[];
extern const char prom_mmu_name[];
extern const char prom_callmethod_name[];
extern const char prom_translate_name[];
extern const char prom_map_name[];
extern const char prom_unmap_name[];
extern int prom_mmu_ihandle_cache;
extern unsigned int prom_boot_mapped_pc;
extern unsigned int prom_boot_mapping_mode;
extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low;
struct linux_mlist_p1275 {
struct linux_mlist_p1275 *theres_more;
unsigned long start_adr;
unsigned long num_bytes;
};
struct linux_mem_p1275 {
struct linux_mlist_p1275 **p1275_totphys;
struct linux_mlist_p1275 **p1275_prommap;
struct linux_mlist_p1275 **p1275_available; /* What we can use */
};
/* The functions... */
/* You must call prom_init() before using any of the library services,
* preferably as early as possible. Pass it the romvec pointer.
*/
extern void prom_init(void *cif_handler, void *cif_stack);
/* Boot argument acquisition, returns the boot command line string. */
extern char *prom_getbootargs(void);
/* Device utilities. */
/* Device operations. */
/* Open the device described by the passed string. Note, that the format
* of the string is different on V0 vs. V2->higher proms. The caller must
* know what he/she is doing! Returns the device descriptor, an int.
*/
extern int prom_devopen(const char *device_string);
/* Close a previously opened device described by the passed integer
* descriptor.
*/
extern int prom_devclose(int device_handle);
/* Do a seek operation on the device described by the passed integer
* descriptor.
*/
extern void prom_seek(int device_handle, unsigned int seek_hival,
unsigned int seek_lowval);
/* Miscellaneous routines, don't really fit in any category per se. */
/* Reboot the machine with the command line passed. */
extern void prom_reboot(const char *boot_command);
/* Evaluate the forth string passed. */
extern void prom_feval(const char *forth_string);
/* Enter the prom, with possibility of continuation with the 'go'
* command in newer proms.
*/
extern void prom_cmdline(void);
/* Enter the prom, with no chance of continuation for the stand-alone
* which calls this.
*/
extern void prom_halt(void) __attribute__ ((noreturn));
/* Halt and power-off the machine. */
extern void prom_halt_power_off(void) __attribute__ ((noreturn));
/* Set the PROM 'sync' callback function to the passed function pointer.
* When the user gives the 'sync' command at the prom prompt while the
* kernel is still active, the prom will call this routine.
*
*/
typedef int (*callback_func_t)(long *cmd);
extern void prom_setcallback(callback_func_t func_ptr);
/* Acquire the IDPROM of the root node in the prom device tree. This
* gets passed a buffer where you would like it stuffed. The return value
* is the format type of this idprom or 0xff on error.
*/
extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Character operations to/from the console.... */
/* Non-blocking get character from console. */
extern int prom_nbgetchar(void);
/* Non-blocking put character to console. */
extern int prom_nbputchar(char character);
/* Blocking get character from console. */
extern char prom_getchar(void);
/* Blocking put character to console. */
extern void prom_putchar(char character);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(const char *fmt, ...);
extern void prom_write(const char *buf, unsigned int len);
/* Multiprocessor operations... */
#ifdef CONFIG_SMP
/* Start the CPU with the given device tree node at the passed program
* counter with the given arg passed in via register %o0.
*/
extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg);
/* Start the CPU with the given cpu ID at the passed program
* counter with the given arg passed in via register %o0.
*/
extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg);
/* Stop the CPU with the given cpu ID. */
extern void prom_stopcpu_cpuid(int cpuid);
/* Stop the current CPU. */
extern void prom_stopself(void);
/* Idle the current CPU. */
extern void prom_idleself(void);
/* Resume the CPU with the passed device tree node. */
extern void prom_resumecpu(int cpunode);
#endif
/* Power management interfaces. */
/* Put the current CPU to sleep. */
extern void prom_sleepself(void);
/* Put the entire system to sleep. */
extern int prom_sleepsystem(void);
/* Initiate a wakeup event. */
extern int prom_wakeupsystem(void);
/* MMU and memory related OBP interfaces. */
/* Get unique string identifying SIMM at given physical address. */
extern int prom_getunumber(int syndrome_code,
unsigned long phys_addr,
char *buf, int buflen);
/* Retain physical memory to the caller across soft resets. */
extern unsigned long prom_retain(const char *name,
unsigned long pa_low, unsigned long pa_high,
long size, long align);
/* Load explicit I/D TLB entries into the calling processor. */
extern long prom_itlb_load(unsigned long index,
unsigned long tte_data,
unsigned long vaddr);
extern long prom_dtlb_load(unsigned long index,
unsigned long tte_data,
unsigned long vaddr);
/* Map/Unmap client program address ranges. First the format of
* the mapping mode argument.
*/
#define PROM_MAP_WRITE 0x0001 /* Writable */
#define PROM_MAP_READ 0x0002 /* Readable - sw */
#define PROM_MAP_EXEC 0x0004 /* Executable - sw */
#define PROM_MAP_LOCKED 0x0010 /* Locked, use i/dtlb load calls for this instead */
#define PROM_MAP_CACHED 0x0020 /* Cacheable in both L1 and L2 caches */
#define PROM_MAP_SE 0x0040 /* Side-Effects */
#define PROM_MAP_GLOB 0x0080 /* Global */
#define PROM_MAP_IE 0x0100 /* Invert-Endianness */
#define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED)
extern int prom_map(int mode, unsigned long size,
unsigned long vaddr, unsigned long paddr);
extern void prom_unmap(unsigned long size, unsigned long vaddr);
/* PROM device tree traversal functions... */
#ifdef PROMLIB_INTERNAL
/* Internal version of prom_getchild. */
extern int __prom_getchild(int parent_node);
/* Internal version of prom_getsibling. */
extern int __prom_getsibling(int node);
#endif
/* Get the child node of the given node, or zero if no child exists. */
extern int prom_getchild(int parent_node);
/* Get the next sibling node of the given node, or zero if no further
* siblings exist.
*/
extern int prom_getsibling(int node);
/* Get the length, at the passed node, of the given property type.
* Returns -1 on error (ie. no such property at this node).
*/
extern int prom_getproplen(int thisnode, const char *property);
/* Fetch the requested property using the given buffer. Returns
* the number of bytes the prom put into your buffer or -1 on error.
*/
extern int prom_getproperty(int thisnode, const char *property,
char *prop_buffer, int propbuf_size);
/* Acquire an integer property. */
extern int prom_getint(int node, const char *property);
/* Acquire an integer property, with a default value. */
extern int prom_getintdefault(int node, const char *property, int defval);
/* Acquire a boolean property, 0=FALSE 1=TRUE. */
extern int prom_getbool(int node, const char *prop);
/* Acquire a string property, null string on error. */
extern void prom_getstring(int node, const char *prop, char *buf, int bufsize);
/* Does the passed node have the given "name"? YES=1 NO=0 */
extern int prom_nodematch(int thisnode, const char *name);
/* Search all siblings starting at the passed node for "name" matching
* the given string. Returns the node on success, zero on failure.
*/
extern int prom_searchsiblings(int node_start, const char *name);
/* Return the first property type, as a string, for the given node.
* Returns a null string on error. Buffer should be at least 32B long.
*/
extern char *prom_firstprop(int node, char *buffer);
/* Returns the next property after the passed property for the given
* node. Returns null string on failure. Buffer should be at least 32B long.
*/
extern char *prom_nextprop(int node, const char *prev_property, char *buffer);
/* Returns 1 if the specified node has given property. */
extern int prom_node_has_property(int node, const char *property);
/* Returns phandle of the path specified */
extern int prom_finddevice(const char *name);
/* Set the indicated property at the given node with the passed value.
* Returns the number of bytes of your value that the prom took.
*/
extern int prom_setprop(int node, const char *prop_name, char *prop_value,
int value_size);
extern int prom_pathtoinode(const char *path);
extern int prom_inst2pkg(int);
extern int prom_service_exists(const char *service_name);
extern void prom_sun4v_guest_soft_state(void);
extern int prom_ihandle2path(int handle, char *buffer, int bufsize);
/* Client interface level routines. */
extern long p1275_cmd(const char *, long, ...);
#if 0
#define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x))
#else
#define P1275_SIZE(x) x
#endif
/* We support at most 16 input and 1 output argument */
#define P1275_ARG_NUMBER 0
#define P1275_ARG_IN_STRING 1
#define P1275_ARG_OUT_BUF 2
#define P1275_ARG_OUT_32B 3
#define P1275_ARG_IN_FUNCTION 4
#define P1275_ARG_IN_BUF 5
#define P1275_ARG_IN_64B 6
#define P1275_IN(x) ((x) & 0xf)
#define P1275_OUT(x) (((x) << 4) & 0xf0)
#define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o))
#define P1275_ARG(n,x) ((x) << ((n)*3 + 8))
#endif /* !(__SPARC64_OPLIB_H) */

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/*
* page.h: Various defines and such for MMU operations on the Sparc for
* the Linux kernel.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_PAGE_H
#define _SPARC_PAGE_H
#ifdef CONFIG_SUN4
#define PAGE_SHIFT 13
#ifndef ___ASM_SPARC_PAGE_H
#define ___ASM_SPARC_PAGE_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/page_64.h>
#else
#define PAGE_SHIFT 12
#include <asm-sparc/page_32.h>
#endif
#ifndef __ASSEMBLY__
/* I have my suspicions... -DaveM */
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#else
#define PAGE_SIZE (1 << PAGE_SHIFT)
#endif
#define PAGE_MASK (~(PAGE_SIZE-1))
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
#define clear_user_page(addr, vaddr, page) \
do { clear_page(addr); \
sparc_flush_page_to_ram(page); \
} while (0)
#define copy_user_page(to, from, vaddr, page) \
do { copy_page(to, from); \
sparc_flush_page_to_ram(page); \
} while (0)
/* The following structure is used to hold the physical
* memory configuration of the machine. This is filled in
* prom_meminit() and is later used by mem_init() to set up
* mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of
* these structs, this is arbitrary. The entry after the
* last valid one has num_bytes==0.
*/
struct sparc_phys_banks {
unsigned long base_addr;
unsigned long num_bytes;
};
#define SPARC_PHYS_BANKS 32
extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
/* Cache alias structure. Entry is valid if context != -1. */
struct cache_palias {
unsigned long vaddr;
int context;
};
/* passing structs on the Sparc slow us down tremendously... */
/* #define STRICT_MM_TYPECHECKS */
#ifdef STRICT_MM_TYPECHECKS
/*
* These are used to make use of C type-checking..
*/
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long iopte; } iopte_t;
typedef struct { unsigned long pmdv[16]; } pmd_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long ctxd; } ctxd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
typedef struct { unsigned long iopgprot; } iopgprot_t;
#define pte_val(x) ((x).pte)
#define iopte_val(x) ((x).iopte)
#define pmd_val(x) ((x).pmdv[0])
#define pgd_val(x) ((x).pgd)
#define ctxd_val(x) ((x).ctxd)
#define pgprot_val(x) ((x).pgprot)
#define iopgprot_val(x) ((x).iopgprot)
#define __pte(x) ((pte_t) { (x) } )
#define __iopte(x) ((iopte_t) { (x) } )
/* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */
#define __pgd(x) ((pgd_t) { (x) } )
#define __ctxd(x) ((ctxd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
#define __iopgprot(x) ((iopgprot_t) { (x) } )
#else
/*
* .. while these make it easier on the compiler
*/
typedef unsigned long pte_t;
typedef unsigned long iopte_t;
typedef struct { unsigned long pmdv[16]; } pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long ctxd_t;
typedef unsigned long pgprot_t;
typedef unsigned long iopgprot_t;
#define pte_val(x) (x)
#define iopte_val(x) (x)
#define pmd_val(x) ((x).pmdv[0])
#define pgd_val(x) (x)
#define ctxd_val(x) (x)
#define pgprot_val(x) (x)
#define iopgprot_val(x) (x)
#define __pte(x) (x)
#define __iopte(x) (x)
/* #define __pmd(x) (x) */ /* XXX later */
#define __pgd(x) (x)
#define __ctxd(x) (x)
#define __pgprot(x) (x)
#define __iopgprot(x) (x)
#endif
typedef struct page *pgtable_t;
extern unsigned long sparc_unmapped_base;
BTFIXUPDEF_SETHI(sparc_unmapped_base)
#define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base)
#else /* !(__ASSEMBLY__) */
#define __pgprot(x) (x)
#endif /* !(__ASSEMBLY__) */
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
#define PAGE_OFFSET 0xf0000000
#ifndef __ASSEMBLY__
extern unsigned long phys_base;
extern unsigned long pfn_base;
#endif
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base)
#define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET))
#define virt_to_phys __pa
#define phys_to_virt __va
#define ARCH_PFN_OFFSET (pfn_base)
#define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT)))
#define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr))
#define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
#endif /* _SPARC_PAGE_H */

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/*
* page.h: Various defines and such for MMU operations on the Sparc for
* the Linux kernel.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_PAGE_H
#define _SPARC_PAGE_H
#ifdef CONFIG_SUN4
#define PAGE_SHIFT 13
#else
#define PAGE_SHIFT 12
#endif
#ifndef __ASSEMBLY__
/* I have my suspicions... -DaveM */
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#else
#define PAGE_SIZE (1 << PAGE_SHIFT)
#endif
#define PAGE_MASK (~(PAGE_SIZE-1))
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
#define clear_user_page(addr, vaddr, page) \
do { clear_page(addr); \
sparc_flush_page_to_ram(page); \
} while (0)
#define copy_user_page(to, from, vaddr, page) \
do { copy_page(to, from); \
sparc_flush_page_to_ram(page); \
} while (0)
/* The following structure is used to hold the physical
* memory configuration of the machine. This is filled in
* prom_meminit() and is later used by mem_init() to set up
* mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of
* these structs, this is arbitrary. The entry after the
* last valid one has num_bytes==0.
*/
struct sparc_phys_banks {
unsigned long base_addr;
unsigned long num_bytes;
};
#define SPARC_PHYS_BANKS 32
extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
/* Cache alias structure. Entry is valid if context != -1. */
struct cache_palias {
unsigned long vaddr;
int context;
};
/* passing structs on the Sparc slow us down tremendously... */
/* #define STRICT_MM_TYPECHECKS */
#ifdef STRICT_MM_TYPECHECKS
/*
* These are used to make use of C type-checking..
*/
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long iopte; } iopte_t;
typedef struct { unsigned long pmdv[16]; } pmd_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long ctxd; } ctxd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
typedef struct { unsigned long iopgprot; } iopgprot_t;
#define pte_val(x) ((x).pte)
#define iopte_val(x) ((x).iopte)
#define pmd_val(x) ((x).pmdv[0])
#define pgd_val(x) ((x).pgd)
#define ctxd_val(x) ((x).ctxd)
#define pgprot_val(x) ((x).pgprot)
#define iopgprot_val(x) ((x).iopgprot)
#define __pte(x) ((pte_t) { (x) } )
#define __iopte(x) ((iopte_t) { (x) } )
/* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */
#define __pgd(x) ((pgd_t) { (x) } )
#define __ctxd(x) ((ctxd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
#define __iopgprot(x) ((iopgprot_t) { (x) } )
#else
/*
* .. while these make it easier on the compiler
*/
typedef unsigned long pte_t;
typedef unsigned long iopte_t;
typedef struct { unsigned long pmdv[16]; } pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long ctxd_t;
typedef unsigned long pgprot_t;
typedef unsigned long iopgprot_t;
#define pte_val(x) (x)
#define iopte_val(x) (x)
#define pmd_val(x) ((x).pmdv[0])
#define pgd_val(x) (x)
#define ctxd_val(x) (x)
#define pgprot_val(x) (x)
#define iopgprot_val(x) (x)
#define __pte(x) (x)
#define __iopte(x) (x)
/* #define __pmd(x) (x) */ /* XXX later */
#define __pgd(x) (x)
#define __ctxd(x) (x)
#define __pgprot(x) (x)
#define __iopgprot(x) (x)
#endif
typedef struct page *pgtable_t;
extern unsigned long sparc_unmapped_base;
BTFIXUPDEF_SETHI(sparc_unmapped_base)
#define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base)
#else /* !(__ASSEMBLY__) */
#define __pgprot(x) (x)
#endif /* !(__ASSEMBLY__) */
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
#define PAGE_OFFSET 0xf0000000
#ifndef __ASSEMBLY__
extern unsigned long phys_base;
extern unsigned long pfn_base;
#endif
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base)
#define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET))
#define virt_to_phys __pa
#define phys_to_virt __va
#define ARCH_PFN_OFFSET (pfn_base)
#define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT)))
#define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr))
#define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
#endif /* _SPARC_PAGE_H */

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#ifndef _SPARC64_PAGE_H
#define _SPARC64_PAGE_H
#include <linux/const.h>
#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
#define PAGE_SHIFT 13
#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
#define PAGE_SHIFT 16
#elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB)
#define PAGE_SHIFT 19
#elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB)
#define PAGE_SHIFT 22
#else
#error No page size specified in kernel configuration
#endif
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
/* Flushing for D-cache alias handling is only needed if
* the page size is smaller than 16K.
*/
#if PAGE_SHIFT < 14
#define DCACHE_ALIASING_POSSIBLE
#endif
#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
#define HPAGE_SHIFT 22
#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
#define HPAGE_SHIFT 19
#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
#define HPAGE_SHIFT 16
#endif
#ifdef CONFIG_HUGETLB_PAGE
#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT)
#define HPAGE_MASK (~(HPAGE_SIZE - 1UL))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif
#ifndef __ASSEMBLY__
extern void _clear_page(void *page);
#define clear_page(X) _clear_page((void *)(X))
struct page;
extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
#define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE)
extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage);
/* Unlike sparc32, sparc64's parameter passing API is more
* sane in that structures which as small enough are passed
* in registers instead of on the stack. Thus, setting
* STRICT_MM_TYPECHECKS does not generate worse code so
* let's enable it to get the type checking.
*/
#define STRICT_MM_TYPECHECKS
#ifdef STRICT_MM_TYPECHECKS
/* These are used to make use of C type-checking.. */
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long iopte; } iopte_t;
typedef struct { unsigned int pmd; } pmd_t;
typedef struct { unsigned int pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
#define pte_val(x) ((x).pte)
#define iopte_val(x) ((x).iopte)
#define pmd_val(x) ((x).pmd)
#define pgd_val(x) ((x).pgd)
#define pgprot_val(x) ((x).pgprot)
#define __pte(x) ((pte_t) { (x) } )
#define __iopte(x) ((iopte_t) { (x) } )
#define __pmd(x) ((pmd_t) { (x) } )
#define __pgd(x) ((pgd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
#else
/* .. while these make it easier on the compiler */
typedef unsigned long pte_t;
typedef unsigned long iopte_t;
typedef unsigned int pmd_t;
typedef unsigned int pgd_t;
typedef unsigned long pgprot_t;
#define pte_val(x) (x)
#define iopte_val(x) (x)
#define pmd_val(x) (x)
#define pgd_val(x) (x)
#define pgprot_val(x) (x)
#define __pte(x) (x)
#define __iopte(x) (x)
#define __pmd(x) (x)
#define __pgd(x) (x)
#define __pgprot(x) (x)
#endif /* (STRICT_MM_TYPECHECKS) */
typedef struct page *pgtable_t;
#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \
(_AC(0x0000000070000000,UL)) : \
(_AC(0xfffff80000000000,UL) + (1UL << 32UL)))
#include <asm-generic/memory_model.h>
#endif /* !(__ASSEMBLY__) */
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
/* We used to stick this into a hard-coded global register (%g4)
* but that does not make sense anymore.
*/
#define PAGE_OFFSET _AC(0xFFFFF80000000000,UL)
#ifndef __ASSEMBLY__
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr)>>PAGE_SHIFT)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#define virt_to_phys __pa
#define phys_to_virt __va
#endif /* !(__ASSEMBLY__) */
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#include <asm-generic/page.h>
#endif /* _SPARC64_PAGE_H */

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include/asm-sparc/pci.h
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@ -1,170 +1,8 @@
#ifndef __SPARC_PCI_H
#define __SPARC_PCI_H
#ifdef __KERNEL__
/* Can be used to override the logic in pci_scan_bus for skipping
* already-configured bus numbers - to be used for buggy BIOSes
* or architectures with incomplete PCI setup by the loader.
*/
#define pcibios_assign_all_busses() 0
#define pcibios_scan_all_fns(a, b) 0
#define PCIBIOS_MIN_IO 0UL
#define PCIBIOS_MIN_MEM 0UL
#define PCI_IRQ_NONE 0xffffffff
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
/* We don't do dynamic PCI IRQ allocation */
}
/* Dynamic DMA mapping stuff.
*/
#define PCI_DMA_BUS_IS_PHYS (0)
#include <asm/scatterlist.h>
struct pci_dev;
/* Allocate and map kernel buffer using consistent mode DMA for a device.
* hwdev should be valid struct pci_dev pointer for PCI devices.
*/
extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle);
/* Free and unmap a consistent DMA buffer.
* cpu_addr is what was returned from pci_alloc_consistent,
* size must be the same as what as passed into pci_alloc_consistent,
* and likewise dma_addr must be the same as what *dma_addrp was set to.
*
* References to the memory and mappings assosciated with cpu_addr/dma_addr
* past this call are illegal.
*/
extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle);
/* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
*
* Once the device is given the dma address, the device owns this memory
* until either pci_unmap_single or pci_dma_sync_single_for_cpu is performed.
*/
extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction);
/* Unmap a single streaming mode DMA translation. The dma_addr and size
* must match what was provided for in a previous pci_map_single call. All
* other usages are undefined.
*
* After this call, reads by the cpu to the buffer are guaranteed to see
* whatever the device wrote there.
*/
extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction);
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
__u32 LEN_NAME;
#define pci_unmap_addr(PTR, ADDR_NAME) \
((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
(((PTR)->ADDR_NAME) = (VAL))
#define pci_unmap_len(PTR, LEN_NAME) \
((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
/*
* Same as above, only with pages instead of mapped addresses.
*/
extern dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page,
unsigned long offset, size_t size, int direction);
extern void pci_unmap_page(struct pci_dev *hwdev,
dma_addr_t dma_address, size_t size, int direction);
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
* NOTE: An implementation may be able to use a smaller number of
* DMA address/length pairs than there are SG table elements.
* (for example via virtual mapping capabilities)
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* the same here.
*/
extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction);
/* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction);
/* Make physical memory consistent for a single
* streaming mode DMA translation after a transfer.
*
* If you perform a pci_map_single() but wish to interrogate the
* buffer using the cpu, yet do not wish to teardown the PCI dma
* mapping, you must call this function before doing so. At the
* next point you give the PCI dma address back to the card, you
* must first perform a pci_dma_sync_for_device, and then the device
* again owns the buffer.
*/
extern void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction);
extern void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction);
/* Make physical memory consistent for a set of streaming
* mode DMA translations after a transfer.
*
* The same as pci_dma_sync_single_* but for a scatter-gather list,
* same rules and usage.
*/
extern void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction);
extern void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction);
/* Return whether the given PCI device DMA address mask can
* be supported properly. For example, if your device can
* only drive the low 24-bits during PCI bus mastering, then
* you would pass 0x00ffffff as the mask to this function.
*/
static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
{
return 1;
}
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#ifndef ___ASM_SPARC_PCI_H
#define ___ASM_SPARC_PCI_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/pci_64.h>
#else
#include <asm-sparc/pci_32.h>
#endif
#endif
#define PCI_DMA_ERROR_CODE (~(dma_addr_t)0x0)
static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
{
return (dma_addr == PCI_DMA_ERROR_CODE);
}
struct device_node;
extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev);
#endif /* __KERNEL__ */
/* generic pci stuff */
#include <asm-generic/pci.h>
#endif /* __SPARC_PCI_H */

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#ifndef __SPARC_PCI_H
#define __SPARC_PCI_H
#ifdef __KERNEL__
/* Can be used to override the logic in pci_scan_bus for skipping
* already-configured bus numbers - to be used for buggy BIOSes
* or architectures with incomplete PCI setup by the loader.
*/
#define pcibios_assign_all_busses() 0
#define pcibios_scan_all_fns(a, b) 0
#define PCIBIOS_MIN_IO 0UL
#define PCIBIOS_MIN_MEM 0UL
#define PCI_IRQ_NONE 0xffffffff
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
/* We don't do dynamic PCI IRQ allocation */
}
/* Dynamic DMA mapping stuff.
*/
#define PCI_DMA_BUS_IS_PHYS (0)
#include <asm/scatterlist.h>
struct pci_dev;
/* Allocate and map kernel buffer using consistent mode DMA for a device.
* hwdev should be valid struct pci_dev pointer for PCI devices.
*/
extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle);
/* Free and unmap a consistent DMA buffer.
* cpu_addr is what was returned from pci_alloc_consistent,
* size must be the same as what as passed into pci_alloc_consistent,
* and likewise dma_addr must be the same as what *dma_addrp was set to.
*
* References to the memory and mappings assosciated with cpu_addr/dma_addr
* past this call are illegal.
*/
extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle);
/* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
*
* Once the device is given the dma address, the device owns this memory
* until either pci_unmap_single or pci_dma_sync_single_for_cpu is performed.
*/
extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction);
/* Unmap a single streaming mode DMA translation. The dma_addr and size
* must match what was provided for in a previous pci_map_single call. All
* other usages are undefined.
*
* After this call, reads by the cpu to the buffer are guaranteed to see
* whatever the device wrote there.
*/
extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction);
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
__u32 LEN_NAME;
#define pci_unmap_addr(PTR, ADDR_NAME) \
((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
(((PTR)->ADDR_NAME) = (VAL))
#define pci_unmap_len(PTR, LEN_NAME) \
((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
/*
* Same as above, only with pages instead of mapped addresses.
*/
extern dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page,
unsigned long offset, size_t size, int direction);
extern void pci_unmap_page(struct pci_dev *hwdev,
dma_addr_t dma_address, size_t size, int direction);
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
* NOTE: An implementation may be able to use a smaller number of
* DMA address/length pairs than there are SG table elements.
* (for example via virtual mapping capabilities)
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* the same here.
*/
extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction);
/* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction);
/* Make physical memory consistent for a single
* streaming mode DMA translation after a transfer.
*
* If you perform a pci_map_single() but wish to interrogate the
* buffer using the cpu, yet do not wish to teardown the PCI dma
* mapping, you must call this function before doing so. At the
* next point you give the PCI dma address back to the card, you
* must first perform a pci_dma_sync_for_device, and then the device
* again owns the buffer.
*/
extern void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction);
extern void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction);
/* Make physical memory consistent for a set of streaming
* mode DMA translations after a transfer.
*
* The same as pci_dma_sync_single_* but for a scatter-gather list,
* same rules and usage.
*/
extern void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction);
extern void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction);
/* Return whether the given PCI device DMA address mask can
* be supported properly. For example, if your device can
* only drive the low 24-bits during PCI bus mastering, then
* you would pass 0x00ffffff as the mask to this function.
*/
static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
{
return 1;
}
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#define PCI_DMA_ERROR_CODE (~(dma_addr_t)0x0)
static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
{
return (dma_addr == PCI_DMA_ERROR_CODE);
}
struct device_node;
extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev);
#endif /* __KERNEL__ */
/* generic pci stuff */
#include <asm-generic/pci.h>
#endif /* __SPARC_PCI_H */

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#ifndef __SPARC64_PCI_H
#define __SPARC64_PCI_H
#ifdef __KERNEL__
#include <linux/dma-mapping.h>
/* Can be used to override the logic in pci_scan_bus for skipping
* already-configured bus numbers - to be used for buggy BIOSes
* or architectures with incomplete PCI setup by the loader.
*/
#define pcibios_assign_all_busses() 0
#define pcibios_scan_all_fns(a, b) 0
#define PCIBIOS_MIN_IO 0UL
#define PCIBIOS_MIN_MEM 0UL
#define PCI_IRQ_NONE 0xffffffff
#define PCI_CACHE_LINE_BYTES 64
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
/* We don't do dynamic PCI IRQ allocation */
}
/* The PCI address space does not equal the physical memory
* address space. The networking and block device layers use
* this boolean for bounce buffer decisions.
*/
#define PCI_DMA_BUS_IS_PHYS (0)
static inline void *pci_alloc_consistent(struct pci_dev *pdev, size_t size,
dma_addr_t *dma_handle)
{
return dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_ATOMIC);
}
static inline void pci_free_consistent(struct pci_dev *pdev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
return dma_free_coherent(&pdev->dev, size, vaddr, dma_handle);
}
static inline dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr,
size_t size, int direction)
{
return dma_map_single(&pdev->dev, ptr, size,
(enum dma_data_direction) direction);
}
static inline void pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr,
size_t size, int direction)
{
dma_unmap_single(&pdev->dev, dma_addr, size,
(enum dma_data_direction) direction);
}
#define pci_map_page(dev, page, off, size, dir) \
pci_map_single(dev, (page_address(page) + (off)), size, dir)
#define pci_unmap_page(dev,addr,sz,dir) \
pci_unmap_single(dev,addr,sz,dir)
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
__u32 LEN_NAME;
#define pci_unmap_addr(PTR, ADDR_NAME) \
((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
(((PTR)->ADDR_NAME) = (VAL))
#define pci_unmap_len(PTR, LEN_NAME) \
((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
static inline int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg,
int nents, int direction)
{
return dma_map_sg(&pdev->dev, sg, nents,
(enum dma_data_direction) direction);
}
static inline void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg,
int nents, int direction)
{
dma_unmap_sg(&pdev->dev, sg, nents,
(enum dma_data_direction) direction);
}
static inline void pci_dma_sync_single_for_cpu(struct pci_dev *pdev,
dma_addr_t dma_handle,
size_t size, int direction)
{
dma_sync_single_for_cpu(&pdev->dev, dma_handle, size,
(enum dma_data_direction) direction);
}
static inline void pci_dma_sync_single_for_device(struct pci_dev *pdev,
dma_addr_t dma_handle,
size_t size, int direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev,
struct scatterlist *sg,
int nents, int direction)
{
dma_sync_sg_for_cpu(&pdev->dev, sg, nents,
(enum dma_data_direction) direction);
}
static inline void pci_dma_sync_sg_for_device(struct pci_dev *pdev,
struct scatterlist *sg,
int nelems, int direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
/* Return whether the given PCI device DMA address mask can
* be supported properly. For example, if your device can
* only drive the low 24-bits during PCI bus mastering, then
* you would pass 0x00ffffff as the mask to this function.
*/
extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
/* PCI IOMMU mapping bypass support. */
/* PCI 64-bit addressing works for all slots on all controller
* types on sparc64. However, it requires that the device
* can drive enough of the 64 bits.
*/
#define PCI64_REQUIRED_MASK (~(dma64_addr_t)0)
#define PCI64_ADDR_BASE 0xfffc000000000000UL
static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
{
return dma_mapping_error(dma_addr);
}
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_BOUNDARY;
*strategy_parameter = cacheline_size;
}
#endif
/* Return the index of the PCI controller for device PDEV. */
extern int pci_domain_nr(struct pci_bus *bus);
static inline int pci_proc_domain(struct pci_bus *bus)
{
return 1;
}
/* Platform support for /proc/bus/pci/X/Y mmap()s. */
#define HAVE_PCI_MMAP
#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
#define get_pci_unmapped_area get_fb_unmapped_area
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state,
int write_combine);
extern void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res);
extern void
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region);
extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *);
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return PCI_IRQ_NONE;
}
struct device_node;
extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev);
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
#endif /* __KERNEL__ */
#endif /* __SPARC64_PCI_H */

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