redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

Blackfin arch: convert L2 defines to be the same as the L1 defines

Browse source 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-08-13 16:16:11 +08:00 committed by Bryan Wu
parent 17e89bcfa1
commit 07aa7be570
8 changed files with 34 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
arch/blackfin/kernel/cplb-nompu/cplbinit.c
View file

@ -164,17 +164,13 @@ static struct cplb_desc cplb_data[] = {
.name = "Asynchronous Memory Banks",
},
{
#ifdef L2_START
.start = L2_START,
.end = L2_START + L2_LENGTH,
.psize = SIZE_1M,
.attr = SWITCH_T | I_CPLB | D_CPLB,
.i_conf = L2_MEMORY,
.d_conf = L2_MEMORY,
.valid = 1,
#else
.valid = 0,
#endif
.valid = (L2_LENGTH > 0),
.name = "L2 Memory",
},
{

14
arch/blackfin/kernel/setup.c
View file

@ -131,14 +131,14 @@ void __init bf53x_relocate_l1_mem(void)
dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
l1_data_a_length, l1_data_b_length);
#ifdef L2_LENGTH
l2_length = _ebss_l2 - _stext_l2;
if (l2_length > L2_LENGTH)
panic("L2 SRAM Overflow\n");
if (L2_LENGTH != 0) {
l2_length = _ebss_l2 - _stext_l2;
if (l2_length > L2_LENGTH)
panic("L2 SRAM Overflow\n");
/* Copy _stext_l2 to _edata_l2 to L2 SRAM */
dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
#endif
/* Copy _stext_l2 to _edata_l2 to L2 SRAM */
dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
}
}
/* add_memory_region to memmap */

2
arch/blackfin/kernel/traps.c
View file

@ -567,7 +567,7 @@ bool get_instruction(unsigned short *val, unsigned short *address)
* we don't read something in the async space that can hang forever
*/
if ((addr >= FIXED_CODE_START && (addr + 2) <= physical_mem_end) ||
#ifdef L2_START
#if L2_LENGTH != 0
(addr >= L2_START && (addr + 2) <= (L2_START + L2_LENGTH)) ||
#endif
(addr >= BOOT_ROM_START && (addr + 2) <= (BOOT_ROM_START + BOOT_ROM_LENGTH)) ||

10
arch/blackfin/kernel/vmlinux.lds.S
View file

@ -102,7 +102,7 @@ SECTIONS
#if !L1_DATA_B_LENGTH
*(.l1.data.B)
#endif
#ifndef L2_LENGTH
#if !L2_LENGTH
. = ALIGN(32);
*(.data_l2.cacheline_aligned)
*(.l2.data)
@ -212,20 +212,19 @@ SECTIONS
__ebss_b_l1 = .;
}
#ifdef L2_LENGTH
__l2_lma_start = .;
.text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1))
{
. = ALIGN(4);
__stext_l2 = .;
*(.l1.text)
*(.l2.text)
. = ALIGN(4);
__etext_l2 = .;
. = ALIGN(4);
__sdata_l2 = .;
*(.l1.data)
*(.l2.data)
__edata_l2 = .;
. = ALIGN(32);
@ -233,11 +232,10 @@ SECTIONS
. = ALIGN(4);
__sbss_l2 = .;
*(.l1.bss)
*(.l2.bss)
. = ALIGN(4);
__ebss_l2 = .;
}
#endif
/* Force trailing alignment of our init section so that when we
* free our init memory, we don't leave behind a partial page.

12
arch/blackfin/mm/blackfin_sram.c
View file

@ -66,7 +66,7 @@ static struct sram_piece free_l1_data_B_sram_head, used_l1_data_B_sram_head;
static struct sram_piece free_l1_inst_sram_head, used_l1_inst_sram_head;
#endif
#ifdef L2_LENGTH
#if L2_LENGTH != 0
static struct sram_piece free_l2_sram_head, used_l2_sram_head;
#endif
@ -175,7 +175,7 @@ static void __init l1_inst_sram_init(void)
static void __init l2_sram_init(void)
{
#ifdef L2_LENGTH
#if L2_LENGTH != 0
free_l2_sram_head.next =
kmem_cache_alloc(sram_piece_cache, GFP_KERNEL);
if (!free_l2_sram_head.next) {
@ -367,7 +367,7 @@ int sram_free(const void *addr)
&& addr < (void *)(L1_DATA_B_START + L1_DATA_B_LENGTH))
return l1_data_B_sram_free(addr);
#endif
#ifdef L2_LENGTH
#if L2_LENGTH != 0
else if (addr >= (void *)L2_START
&& addr < (void *)(L2_START + L2_LENGTH))
return l2_sram_free(addr);
@ -604,7 +604,7 @@ int l1sram_free(const void *addr)
void *l2_sram_alloc(size_t size)
{
#ifdef L2_LENGTH
#if L2_LENGTH != 0
unsigned flags;
void *addr;
@ -640,7 +640,7 @@ EXPORT_SYMBOL(l2_sram_zalloc);
int l2_sram_free(const void *addr)
{
#ifdef L2_LENGTH
#if L2_LENGTH != 0
unsigned flags;
int ret;
@ -779,7 +779,7 @@ static int sram_proc_read(char *buf, char **start, off_t offset, int count,
&free_l1_inst_sram_head, &used_l1_inst_sram_head))
goto not_done;
#endif
#ifdef L2_LENGTH
#if L2_LENGTH != 0
if (_sram_proc_read(buf, &len, count, "L2",
&free_l2_sram_head, &used_l2_sram_head))
goto not_done;

5
include/asm-blackfin/mach-bf527/mem_map.h
View file

@ -89,6 +89,11 @@
#define BFIN_DSUPBANKS 0
#endif /*CONFIG_BFIN_DCACHE */
/* Level 2 Memory - none */
#define L2_START 0
#define L2_LENGTH 0
/* Scratch Pad Memory */
#define L1_SCRATCH_START 0xFFB00000

5
include/asm-blackfin/mach-bf533/mem_map.h
View file

@ -158,6 +158,11 @@
#endif
/* Level 2 Memory - none */
#define L2_START 0
#define L2_LENGTH 0
/* Scratch Pad Memory */
#define L1_SCRATCH_START 0xFFB00000

5
include/asm-blackfin/mach-bf537/mem_map.h
View file

@ -166,6 +166,11 @@
#endif
/* Level 2 Memory - none */
#define L2_START 0
#define L2_LENGTH 0
/* Scratch Pad Memory */
#define L1_SCRATCH_START 0xFFB00000