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Merge branch 'fixes-2.6.23' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc 

* 'fixes-2.6.23' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
  [POWERPC] Fix 8xx compile failure
  [POWERPC] Fix FSL BookE machine check reporting
  [POWERPC] Fix interrupt routing and setup of ULI M1575 on FSL boards
  [POWERPC] Add interrupt resource for RTC CMOS driver
hifive-unleashed-5.1
Linus Torvalds 2007-08-20 22:43:18 -07:00
parent 0c5564bd91 0af666fa6c
commit 2046219364
13 changed files with 385 additions and 549 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
arch/powerpc/boot/dts/mpc8544ds.dts
View File

@ -44,8 +44,18 @@
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "soc";
ranges = <0 e0000000 00100000>;
reg = <e0000000 00100000>; // CCSRBAR 1M
ranges = <00001000 e0001000 000ff000
80000000 80000000 20000000
a0000000 a0000000 10000000
b0000000 b0000000 00100000
c0000000 c0000000 20000000
b0100000 b0100000 00100000
e1000000 e1000000 00010000
e1010000 e1010000 00010000
e1020000 e1020000 00010000>;
reg = <e0000000 00001000>; // CCSRBAR 1M
bus-frequency = <0>; // Filled out by uboot.
memory-controller@2000 {
@ -161,8 +171,8 @@
interrupt-parent = <&mpic>;
interrupts = <18 2>;
bus-range = <0 ff>;
ranges = <02000000 0 80000000 80000000 0 10000000
01000000 0 00000000 e2000000 0 00800000>;
ranges = <02000000 0 c0000000 c0000000 0 20000000
01000000 0 00000000 e1000000 0 00010000>;
clock-frequency = <3f940aa>;
#interrupt-cells = <1>;
#size-cells = <2>;
@ -178,8 +188,8 @@
#address-cells = <3>;
reg = <9000 1000>;
bus-range = <0 ff>;
ranges = <02000000 0 90000000 90000000 0 10000000
01000000 0 00000000 e3000000 0 00800000>;
ranges = <02000000 0 80000000 80000000 0 20000000
01000000 0 00000000 e1010000 0 00010000>;
clock-frequency = <1fca055>;
interrupt-parent = <&mpic>;
interrupts = <1a 2>;
@ -202,7 +212,7 @@
reg = <a000 1000>;
bus-range = <0 ff>;
ranges = <02000000 0 a0000000 a0000000 0 10000000
01000000 0 00000000 e2800000 0 00800000>;
01000000 0 00000000 e1020000 0 00010000>;
clock-frequency = <1fca055>;
interrupt-parent = <&mpic>;
interrupts = <19 2>;
@ -224,49 +234,29 @@
#address-cells = <3>;
reg = <b000 1000>;
bus-range = <0 ff>;
ranges = <02000000 0 b0000000 b0000000 0 10000000
01000000 0 00000000 e3800000 0 00800000>;
ranges = <02000000 0 b0000000 b0000000 0 00100000
01000000 0 00000000 b0100000 0 00100000>;
clock-frequency = <1fca055>;
interrupt-parent = <&mpic>;
interrupts = <1b 2>;
interrupt-map-mask = <f800 0 0 7>;
interrupt-map-mask = <fb00 0 0 0>;
interrupt-map = <
// IDSEL 0x1a
d000 0 0 1 &i8259 6 2
d000 0 0 2 &i8259 3 2
d000 0 0 3 &i8259 4 2
d000 0 0 4 &i8259 5 2
// IDSEL 0x1b
d800 0 0 1 &i8259 5 2
d800 0 0 2 &i8259 0 0
d800 0 0 3 &i8259 0 0
d800 0 0 4 &i8259 0 0
// IDSEL 0x1c USB
e000 0 0 1 &i8259 9 2
e000 0 0 2 &i8259 a 2
e000 0 0 3 &i8259 c 2
e000 0 0 4 &i8259 7 2
e000 0 0 0 &i8259 c 2
e100 0 0 0 &i8259 9 2
e200 0 0 0 &i8259 a 2
e300 0 0 0 &i8259 b 2
// IDSEL 0x1d Audio
e800 0 0 1 &i8259 9 2
e800 0 0 2 &i8259 a 2
e800 0 0 3 &i8259 b 2
e800 0 0 4 &i8259 0 0
e800 0 0 0 &i8259 6 2
// IDSEL 0x1e Legacy
f000 0 0 1 &i8259 c 2
f000 0 0 2 &i8259 0 0
f000 0 0 3 &i8259 0 0
f000 0 0 4 &i8259 0 0
f000 0 0 0 &i8259 7 2
f100 0 0 0 &i8259 7 2
// IDSEL 0x1f IDE/SATA
f800 0 0 1 &i8259 6 2
f800 0 0 2 &i8259 0 0
f800 0 0 3 &i8259 0 0
f800 0 0 4 &i8259 0 0
f800 0 0 0 &i8259 e 2
f900 0 0 0 &i8259 5 2
>;
uli1575@0 {
reg = <0 0 0 0 0>;
@ -274,10 +264,10 @@
#address-cells = <3>;
ranges = <02000000 0 b0000000
02000000 0 b0000000
0 10000000
0 00100000
01000000 0 00000000
01000000 0 00000000
0 00080000>;
0 00100000>;
pci_bridge@0 {
reg = <0 0 0 0 0>;
@ -285,10 +275,10 @@
#address-cells = <3>;
ranges = <02000000 0 b0000000
02000000 0 b0000000
0 20000000
0 00100000
01000000 0 00000000
01000000 0 00000000
0 00100000>;
0 00100000>;
isa@1e {
device_type = "isa";
@ -296,7 +286,8 @@
#size-cells = <1>;
#address-cells = <2>;
reg = <f000 0 0 0 0>;
ranges = <1 0 01000000 0 0
ranges = <1 0
01000000 0 0
00001000>;
interrupt-parent = <&i8259>;
@ -312,8 +303,7 @@
built-in;
compatible = "chrp,iic";
interrupts = <9 2>;
interrupt-parent =
<&mpic>;
interrupt-parent = <&mpic>;
};
i8042@60 {
@ -321,8 +311,7 @@
#address-cells = <1>;
reg = <1 60 1 1 64 1>;
interrupts = <1 3 c 3>;
interrupt-parent =
<&i8259>;
interrupt-parent = <&i8259>;
keyboard@0 {
reg = <0>;
@ -336,8 +325,7 @@
};
rtc@70 {
compatible =
"pnpPNP,b00";
compatible = "pnpPNP,b00";
reg = <1 70 2>;
};

106
arch/powerpc/boot/dts/mpc8641_hpcn.dts
View File

@ -224,98 +224,36 @@
clock-frequency = <1fca055>;
interrupt-parent = <&mpic>;
interrupts = <18 2>;
interrupt-map-mask = <f800 0 0 7>;
interrupt-map-mask = <fb00 0 0 0>;
interrupt-map = <
/* IDSEL 0x11 */
8800 0 0 1 &i8259 3 2
8800 0 0 2 &i8259 4 2
8800 0 0 3 &i8259 5 2
8800 0 0 4 &i8259 6 2
8800 0 0 1 &i8259 9 2
8800 0 0 2 &i8259 a 2
8800 0 0 3 &i8259 b 2
8800 0 0 4 &i8259 c 2
/* IDSEL 0x12 */
9000 0 0 1 &i8259 4 2
9000 0 0 2 &i8259 5 2
9000 0 0 3 &i8259 6 2
9000 0 0 4 &i8259 3 2
9000 0 0 1 &i8259 a 2
9000 0 0 2 &i8259 b 2
9000 0 0 3 &i8259 c 2
9000 0 0 4 &i8259 9 2
/* IDSEL 0x13 */
9800 0 0 1 &i8259 0 0
9800 0 0 2 &i8259 0 0
9800 0 0 3 &i8259 0 0
9800 0 0 4 &i8259 0 0
// IDSEL 0x1c USB
e000 0 0 0 &i8259 c 2
e100 0 0 0 &i8259 9 2
e200 0 0 0 &i8259 a 2
e300 0 0 0 &i8259 b 2
/* IDSEL 0x14 */
a000 0 0 1 &i8259 0 0
a000 0 0 2 &i8259 0 0
a000 0 0 3 &i8259 0 0
a000 0 0 4 &i8259 0 0
// IDSEL 0x1d Audio
e800 0 0 0 &i8259 6 2
/* IDSEL 0x15 */
a800 0 0 1 &i8259 0 0
a800 0 0 2 &i8259 0 0
a800 0 0 3 &i8259 0 0
a800 0 0 4 &i8259 0 0
// IDSEL 0x1e Legacy
f000 0 0 0 &i8259 7 2
f100 0 0 0 &i8259 7 2
/* IDSEL 0x16 */
b000 0 0 1 &i8259 0 0
b000 0 0 2 &i8259 0 0
b000 0 0 3 &i8259 0 0
b000 0 0 4 &i8259 0 0
/* IDSEL 0x17 */
b800 0 0 1 &i8259 0 0
b800 0 0 2 &i8259 0 0
b800 0 0 3 &i8259 0 0
b800 0 0 4 &i8259 0 0
/* IDSEL 0x18 */
c000 0 0 1 &i8259 0 0
c000 0 0 2 &i8259 0 0
c000 0 0 3 &i8259 0 0
c000 0 0 4 &i8259 0 0
/* IDSEL 0x19 */
c800 0 0 1 &i8259 0 0
c800 0 0 2 &i8259 0 0
c800 0 0 3 &i8259 0 0
c800 0 0 4 &i8259 0 0
/* IDSEL 0x1a */
d000 0 0 1 &i8259 6 2
d000 0 0 2 &i8259 3 2
d000 0 0 3 &i8259 4 2
d000 0 0 4 &i8259 5 2
/* IDSEL 0x1b */
d800 0 0 1 &i8259 5 2
d800 0 0 2 &i8259 0 0
d800 0 0 3 &i8259 0 0
d800 0 0 4 &i8259 0 0
/* IDSEL 0x1c */
e000 0 0 1 &i8259 9 2
e000 0 0 2 &i8259 a 2
e000 0 0 3 &i8259 c 2
e000 0 0 4 &i8259 7 2
/* IDSEL 0x1d */
e800 0 0 1 &i8259 9 2
e800 0 0 2 &i8259 a 2
e800 0 0 3 &i8259 b 2
e800 0 0 4 &i8259 0 0
/* IDSEL 0x1e */
f000 0 0 1 &i8259 c 2
f000 0 0 2 &i8259 0 0
f000 0 0 3 &i8259 0 0
f000 0 0 4 &i8259 0 0
/* IDSEL 0x1f */
f800 0 0 1 &i8259 6 2
f800 0 0 2 &i8259 0 0
f800 0 0 3 &i8259 0 0
f800 0 0 4 &i8259 0 0
// IDSEL 0x1f IDE/SATA
f800 0 0 0 &i8259 e 2
f900 0 0 0 &i8259 5 2
>;
uli1575@0 {
reg = <0 0 0 0 0>;

4
arch/powerpc/kernel/traps.c
View File

@ -299,7 +299,7 @@ static inline int check_io_access(struct pt_regs *regs)
#ifndef CONFIG_FSL_BOOKE
#define get_mc_reason(regs) ((regs)->dsisr)
#else
#define get_mc_reason(regs) (mfspr(SPRN_MCSR))
#define get_mc_reason(regs) (mfspr(SPRN_MCSR) & MCSR_MASK)
#endif
#define REASON_FP ESR_FP
#define REASON_ILLEGAL (ESR_PIL | ESR_PUO)
@ -414,8 +414,6 @@ void machine_check_exception(struct pt_regs *regs)
printk("Data Cache Push Parity Error\n");
if (reason & MCSR_DCPERR)
printk("Data Cache Parity Error\n");
if (reason & MCSR_GL_CI)
printk("Guarded Load or Cache-Inhibited stwcx.\n");
if (reason & MCSR_BUS_IAERR)
printk("Bus - Instruction Address Error\n");
if (reason & MCSR_BUS_RAERR)

1
arch/powerpc/platforms/85xx/Kconfig
View File

@ -33,6 +33,7 @@ config MPC8544_DS
bool "Freescale MPC8544 DS"
select PPC_I8259
select DEFAULT_UIMAGE
select FSL_ULI1575
help
This option enables support for the MPC8544 DS board

216
arch/powerpc/platforms/85xx/mpc8544_ds.c
View File

@ -114,211 +114,25 @@ void __init mpc8544_ds_pic_init(void)
}
#ifdef CONFIG_PCI
enum pirq { PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH };
extern int uses_fsl_uli_m1575;
extern int uli_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn);
/*
* Value in table -- IRQ number
*/
const unsigned char uli1575_irq_route_table[16] = {
0, /* 0: Reserved */
0x8,
0, /* 2: Reserved */
0x2,
0x4,
0x5,
0x7,
0x6,
0, /* 8: Reserved */
0x1,
0x3,
0x9,
0xb,
0, /* 13: Reserved */
0xd,
0xf,
};
static int __devinit
get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin)
static int mpc85xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
{
struct of_irq oirq;
u32 laddr[3];
struct device_node *hosenode = hose ? hose->arch_data : NULL;
struct device_node* node;
struct resource rsrc;
if (!hosenode)
return -EINVAL;
node = (struct device_node *)hose->arch_data;
of_address_to_resource(node, 0, &rsrc);
laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8);
laddr[1] = laddr[2] = 0;
of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
DBG("mpc8544_ds: pci irq addr %x, slot %d, pin %d, irq %d\n",
laddr[0], slot, pin, oirq.specifier[0]);
return oirq.specifier[0];
if ((rsrc.start & 0xfffff) == 0xb000) {
return uli_exclude_device(hose, bus, devfn);
}
return PCIBIOS_SUCCESSFUL;
}
/*8259*/
static void __devinit quirk_uli1575(struct pci_dev *dev)
{
unsigned short temp;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
unsigned char irq2pin[16];
unsigned long pirq_map_word = 0;
u32 irq;
int i;
/*
* ULI1575 interrupts route setup
*/
memset(irq2pin, 0, 16); /* Initialize default value 0 */
irq2pin[6]=PIRQA+3; /* enabled mapping for IRQ6 to PIRQD, used by SATA */
/*
* PIRQE -> PIRQF mapping set manually
*
* IRQ pin IRQ#
* PIRQE ---- 9
* PIRQF ---- 10
* PIRQG ---- 11
* PIRQH ---- 12
*/
for (i = 0; i < 4; i++)
irq2pin[i + 9] = PIRQE + i;
/* Set IRQ-PIRQ Mapping to ULI1575 */
for (i = 0; i < 16; i++)
if (irq2pin[i])
pirq_map_word |= (uli1575_irq_route_table[i] & 0xf)
<< ((irq2pin[i] - PIRQA) * 4);
pirq_map_word |= 1<<26; /* disable INTx in EP mode*/
/* ULI1575 IRQ mapping conf register default value is 0xb9317542 */
DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n",
(int)pirq_map_word);
pci_write_config_dword(dev, 0x48, pirq_map_word);
#define ULI1575_SET_DEV_IRQ(slot, pin, reg) \
do { \
int irq; \
irq = get_pci_irq_from_of(hose, slot, pin); \
if (irq > 0 && irq < 16) \
pci_write_config_byte(dev, reg, irq2pin[irq]); \
else \
printk(KERN_WARNING "ULI1575 device" \
"(slot %d, pin %d) irq %d is invalid.\n", \
slot, pin, irq); \
} while(0)
/* USB 1.1 OHCI controller 1, slot 28, pin 1 */
ULI1575_SET_DEV_IRQ(28, 1, 0x86);
/* USB 1.1 OHCI controller 2, slot 28, pin 2 */
ULI1575_SET_DEV_IRQ(28, 2, 0x87);
/* USB 1.1 OHCI controller 3, slot 28, pin 3 */
ULI1575_SET_DEV_IRQ(28, 3, 0x88);
/* USB 2.0 controller, slot 28, pin 4 */
irq = get_pci_irq_from_of(hose, 28, 4);
if (irq >= 0 && irq <= 15)
pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]);
/* Audio controller, slot 29, pin 1 */
ULI1575_SET_DEV_IRQ(29, 1, 0x8a);
/* Modem controller, slot 29, pin 2 */
ULI1575_SET_DEV_IRQ(29, 2, 0x8b);
/* HD audio controller, slot 29, pin 3 */
ULI1575_SET_DEV_IRQ(29, 3, 0x8c);
/* SMB interrupt: slot 30, pin 1 */
ULI1575_SET_DEV_IRQ(30, 1, 0x8e);
/* PMU ACPI SCI interrupt: slot 30, pin 2 */
ULI1575_SET_DEV_IRQ(30, 2, 0x8f);
/* Serial ATA interrupt: slot 31, pin 1 */
ULI1575_SET_DEV_IRQ(31, 1, 0x8d);
/* Primary PATA IDE IRQ: 14
* Secondary PATA IDE IRQ: 15
*/
pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]);
pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]);
/* Set IRQ14 and IRQ15 to legacy IRQs */
pci_read_config_word(dev, 0x46, &temp);
temp |= 0xc000;
pci_write_config_word(dev, 0x46, temp);
/* Set i8259 interrupt trigger
* IRQ 3: Level
* IRQ 4: Level
* IRQ 5: Level
* IRQ 6: Level
* IRQ 7: Level
* IRQ 9: Level
* IRQ 10: Level
* IRQ 11: Level
* IRQ 12: Level
* IRQ 14: Edge
* IRQ 15: Edge
*/
outb(0xfa, 0x4d0);
outb(0x1e, 0x4d1);
#undef ULI1575_SET_DEV_IRQ
}
/* SATA */
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
unsigned char c;
pci_read_config_byte(dev, 0x83, &c);
c |= 0x80; /* read/write lock */
pci_write_config_byte(dev, 0x83, c);
pci_write_config_byte(dev, 0x09, 0x01); /* Base class code: storage */
pci_write_config_byte(dev, 0x0a, 0x06); /* IDE disk */
pci_read_config_byte(dev, 0x83, &c);
c &= 0x7f;
pci_write_config_byte(dev, 0x83, c);
pci_read_config_byte(dev, 0x84, &c);
c |= 0x01; /* emulated PATA mode enabled */
pci_write_config_byte(dev, 0x84, c);
}
/* PATA */
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
unsigned short temp;
pci_write_config_word(dev, 0x04, 0x0405); /* MEM IO MSI */
pci_read_config_word(dev, 0x4a, &temp);
temp |= 0x1000; /* Enable Native IRQ 14/15 */
pci_write_config_word(dev, 0x4a, temp);
}
/*Bridge*/
static void __devinit early_uli5249(struct pci_dev *dev)
{
unsigned char temp;
pci_write_config_word(dev, 0x04, 0x0007); /* mem access */
pci_read_config_byte(dev, 0x7c, &temp);
pci_write_config_byte(dev, 0x7c, 0x80); /* R/W lock control */
pci_write_config_byte(dev, 0x09, 0x01); /* set as pci-pci bridge */
pci_write_config_byte(dev, 0x7c, temp); /* restore pci bus debug control */
dev->class |= 0x1;
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
#endif /* CONFIG_PCI */
/*
@ -342,6 +156,8 @@ static void __init mpc8544_ds_setup_arch(void)
else
fsl_add_bridge(np, 0);
}
uses_fsl_uli_m1575 = 1;
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
#endif
printk("MPC8544 DS board from Freescale Semiconductor\n");

1
arch/powerpc/platforms/86xx/Kconfig
View File

@ -7,6 +7,7 @@ config MPC8641_HPCN
bool "Freescale MPC8641 HPCN"
select PPC_I8259
select DEFAULT_UIMAGE
select FSL_ULI1575
help
This option enables support for the MPC8641 HPCN board.

222
arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
View File

@ -107,220 +107,25 @@ mpc86xx_hpcn_init_irq(void)
}
#ifdef CONFIG_PCI
extern int uses_fsl_uli_m1575;
extern int uli_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn);
enum pirq{PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH};
const unsigned char uli1575_irq_route_table[16] = {
0, /* 0: Reserved */
0x8, /* 1: 0b1000 */
0, /* 2: Reserved */
0x2, /* 3: 0b0010 */
0x4, /* 4: 0b0100 */
0x5, /* 5: 0b0101 */
0x7, /* 6: 0b0111 */
0x6, /* 7: 0b0110 */
0, /* 8: Reserved */
0x1, /* 9: 0b0001 */
0x3, /* 10: 0b0011 */
0x9, /* 11: 0b1001 */
0xb, /* 12: 0b1011 */
0, /* 13: Reserved */
0xd, /* 14, 0b1101 */
0xf, /* 15, 0b1111 */
};
static int __devinit
get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin)
static int mpc86xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
{
struct of_irq oirq;
u32 laddr[3];
struct device_node *hosenode = hose ? hose->arch_data : NULL;
struct device_node* node;
struct resource rsrc;
if (!hosenode) return -EINVAL;
node = (struct device_node *)hose->arch_data;
of_address_to_resource(node, 0, &rsrc);
laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8);
laddr[1] = laddr[2] = 0;
of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
DBG("mpc86xx_hpcn: pci irq addr %x, slot %d, pin %d, irq %d\n",
laddr[0], slot, pin, oirq.specifier[0]);
return oirq.specifier[0];
}
static void __devinit quirk_uli1575(struct pci_dev *dev)
{
unsigned short temp;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
unsigned char irq2pin[16], c;
unsigned long pirq_map_word = 0;
u32 irq;
int i;
/*
* ULI1575 interrupts route setup
*/
memset(irq2pin, 0, 16); /* Initialize default value 0 */
/*
* PIRQA -> PIRQD mapping read from OF-tree
*
* interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD
* PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA
*/
for (i = 0; i < 4; i++){
irq = get_pci_irq_from_of(hose, 17, i + 1);
if (irq > 0 && irq < 16)
irq2pin[irq] = PIRQA + i;
else
printk(KERN_WARNING "ULI1575 device"
"(slot %d, pin %d) irq %d is invalid.\n",
17, i, irq);
if ((rsrc.start & 0xfffff) == 0x8000) {
return uli_exclude_device(hose, bus, devfn);
}
/*
* PIRQE -> PIRQF mapping set manually
*
* IRQ pin IRQ#
* PIRQE ---- 9
* PIRQF ---- 10
* PIRQG ---- 11
* PIRQH ---- 12
*/
for (i = 0; i < 4; i++) irq2pin[i + 9] = PIRQE + i;
/* Set IRQ-PIRQ Mapping to ULI1575 */
for (i = 0; i < 16; i++)
if (irq2pin[i])
pirq_map_word |= (uli1575_irq_route_table[i] & 0xf)
<< ((irq2pin[i] - PIRQA) * 4);
/* ULI1575 IRQ mapping conf register default value is 0xb9317542 */
DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n",
pirq_map_word);
pci_write_config_dword(dev, 0x48, pirq_map_word);
#define ULI1575_SET_DEV_IRQ(slot, pin, reg) \
do { \
int irq; \
irq = get_pci_irq_from_of(hose, slot, pin); \
if (irq > 0 && irq < 16) \
pci_write_config_byte(dev, reg, irq2pin[irq]); \
else \
printk(KERN_WARNING "ULI1575 device" \
"(slot %d, pin %d) irq %d is invalid.\n", \
slot, pin, irq); \
} while(0)
/* USB 1.1 OHCI controller 1, slot 28, pin 1 */
ULI1575_SET_DEV_IRQ(28, 1, 0x86);
/* USB 1.1 OHCI controller 2, slot 28, pin 2 */
ULI1575_SET_DEV_IRQ(28, 2, 0x87);
/* USB 1.1 OHCI controller 3, slot 28, pin 3 */
ULI1575_SET_DEV_IRQ(28, 3, 0x88);
/* USB 2.0 controller, slot 28, pin 4 */
irq = get_pci_irq_from_of(hose, 28, 4);
if (irq >= 0 && irq <=15)
pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]);
/* Audio controller, slot 29, pin 1 */
ULI1575_SET_DEV_IRQ(29, 1, 0x8a);
/* Modem controller, slot 29, pin 2 */
ULI1575_SET_DEV_IRQ(29, 2, 0x8b);
/* HD audio controller, slot 29, pin 3 */
ULI1575_SET_DEV_IRQ(29, 3, 0x8c);
/* SMB interrupt: slot 30, pin 1 */
ULI1575_SET_DEV_IRQ(30, 1, 0x8e);
/* PMU ACPI SCI interrupt: slot 30, pin 2 */
ULI1575_SET_DEV_IRQ(30, 2, 0x8f);
/* Serial ATA interrupt: slot 31, pin 1 */
ULI1575_SET_DEV_IRQ(31, 1, 0x8d);
/* Primary PATA IDE IRQ: 14
* Secondary PATA IDE IRQ: 15
*/
pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]);
pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]);
/* Set IRQ14 and IRQ15 to legacy IRQs */
pci_read_config_word(dev, 0x46, &temp);
temp |= 0xc000;
pci_write_config_word(dev, 0x46, temp);
/* Set i8259 interrupt trigger
* IRQ 3: Level
* IRQ 4: Level
* IRQ 5: Level
* IRQ 6: Level
* IRQ 7: Level
* IRQ 9: Level
* IRQ 10: Level
* IRQ 11: Level
* IRQ 12: Level
* IRQ 14: Edge
* IRQ 15: Edge
*/
outb(0xfa, 0x4d0);
outb(0x1e, 0x4d1);
#undef ULI1575_SET_DEV_IRQ
/* Disable the HD interface and enable the AC97 interface. */
pci_read_config_byte(dev, 0xb8, &c);
c &= 0x7f;
pci_write_config_byte(dev, 0xb8, c);
return PCIBIOS_SUCCESSFUL;
}
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
unsigned char c;
pci_read_config_byte(dev,0x83,&c);
c |= 0x80;
pci_write_config_byte(dev, 0x83, c);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x0a, 0x06);
pci_read_config_byte(dev,0x83,&c);
c &= 0x7f;
pci_write_config_byte(dev, 0x83, c);
pci_read_config_byte(dev,0x84,&c);
c |= 0x01;
pci_write_config_byte(dev, 0x84, c);
}
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
unsigned short temp;
pci_write_config_word(dev, 0x04, 0x0405);
dev->class &= ~0x5;
pci_read_config_word(dev, 0x4a, &temp);
temp |= 0x1000;
pci_write_config_word(dev, 0x4a, temp);
}
static void __devinit early_uli5249(struct pci_dev *dev)
{
unsigned char temp;
pci_write_config_word(dev, 0x04, 0x0007);
pci_read_config_byte(dev, 0x7c, &temp);
pci_write_config_byte(dev, 0x7c, 0x80);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x7c, temp);
dev->class |= 0x1;
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
#endif /* CONFIG_PCI */
@ -353,6 +158,9 @@ mpc86xx_hpcn_setup_arch(void)
else
fsl_add_bridge(np, 0);
}
uses_fsl_uli_m1575 = 1;
ppc_md.pci_exclude_device = mpc86xx_exclude_device;
#endif
printk("MPC86xx HPCN board from Freescale Semiconductor\n");

8
arch/powerpc/platforms/Kconfig
View File

@ -282,4 +282,12 @@ config AXON_RAM
minor numbers are available in /proc/devices, /proc/partitions or
in /sys/block/axonram?/dev.
config FSL_ULI1575
bool
default n
help
Supports for the ULI1575 PCIe south bridge that exists on some
Freescale reference boards. The boards all use the ULI in pretty
much the same way.
endmenu

3
arch/powerpc/platforms/Makefile
View File

@ -1,3 +1,6 @@
obj-$(CONFIG_FSL_ULI1575) += fsl_uli1575.o
ifeq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_PPC_PMAC) += powermac/
else

255
arch/powerpc/platforms/fsl_uli1575.c 100644
View File

@ -0,0 +1,255 @@
/*
* ULI M1575 setup code - specific to Freescale boards
*
* Copyright 2007 Freescale Semiconductor Inc.
*
* 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.
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/mc146818rtc.h>
#include <asm/system.h>
#include <asm/pci-bridge.h>
#define ULI_PIRQA 0x08
#define ULI_PIRQB 0x09
#define ULI_PIRQC 0x0a
#define ULI_PIRQD 0x0b
#define ULI_PIRQE 0x0c
#define ULI_PIRQF 0x0d
#define ULI_PIRQG 0x0e
#define ULI_8259_NONE 0x00
#define ULI_8259_IRQ1 0x08
#define ULI_8259_IRQ3 0x02
#define ULI_8259_IRQ4 0x04
#define ULI_8259_IRQ5 0x05
#define ULI_8259_IRQ6 0x07
#define ULI_8259_IRQ7 0x06
#define ULI_8259_IRQ9 0x01
#define ULI_8259_IRQ10 0x03
#define ULI_8259_IRQ11 0x09
#define ULI_8259_IRQ12 0x0b
#define ULI_8259_IRQ14 0x0d
#define ULI_8259_IRQ15 0x0f
u8 uli_pirq_to_irq[8] = {
ULI_8259_IRQ9, /* PIRQA */
ULI_8259_IRQ10, /* PIRQB */
ULI_8259_IRQ11, /* PIRQC */
ULI_8259_IRQ12, /* PIRQD */
ULI_8259_IRQ5, /* PIRQE */
ULI_8259_IRQ6, /* PIRQF */
ULI_8259_IRQ7, /* PIRQG */
ULI_8259_NONE, /* PIRQH */
};
/* set in board code if you want this quirks to do something */
int uses_fsl_uli_m1575;
/* Bridge */
static void __devinit early_uli5249(struct pci_dev *dev)
{
unsigned char temp;
if (!uses_fsl_uli_m1575)
return;
pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO |
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
/* read/write lock */
pci_read_config_byte(dev, 0x7c, &temp);
pci_write_config_byte(dev, 0x7c, 0x80);
/* set as P2P bridge */
pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01);
dev->class |= 0x1;
/* restore lock */
pci_write_config_byte(dev, 0x7c, temp);
}
static void __devinit quirk_uli1575(struct pci_dev *dev)
{
int i;
if (!uses_fsl_uli_m1575)
return;
/*
* ULI1575 interrupts route setup
*/
/* ULI1575 IRQ mapping conf register maps PIRQx to IRQn */
for (i = 0; i < 4; i++) {
u8 val = uli_pirq_to_irq[i*2] | (uli_pirq_to_irq[i*2+1] << 4);
pci_write_config_byte(dev, 0x48 + i, val);
}
/* USB 1.1 OHCI controller 1: dev 28, func 0 - IRQ12 */
pci_write_config_byte(dev, 0x86, ULI_PIRQD);
/* USB 1.1 OHCI controller 2: dev 28, func 1 - IRQ9 */
pci_write_config_byte(dev, 0x87, ULI_PIRQA);
/* USB 1.1 OHCI controller 3: dev 28, func 2 - IRQ10 */
pci_write_config_byte(dev, 0x88, ULI_PIRQB);
/* Lan controller: dev 27, func 0 - IRQ6 */
pci_write_config_byte(dev, 0x89, ULI_PIRQF);
/* AC97 Audio controller: dev 29, func 0 - IRQ6 */
pci_write_config_byte(dev, 0x8a, ULI_PIRQF);
/* Modem controller: dev 29, func 1 - IRQ6 */
pci_write_config_byte(dev, 0x8b, ULI_PIRQF);
/* HD Audio controller: dev 29, func 2 - IRQ6 */
pci_write_config_byte(dev, 0x8c, ULI_PIRQF);
/* SATA controller: dev 31, func 1 - IRQ5 */
pci_write_config_byte(dev, 0x8d, ULI_PIRQE);
/* SMB interrupt: dev 30, func 1 - IRQ7 */
pci_write_config_byte(dev, 0x8e, ULI_PIRQG);
/* PMU ACPI SCI interrupt: dev 30, func 2 - IRQ7 */
pci_write_config_byte(dev, 0x8f, ULI_PIRQG);
/* USB 2.0 controller: dev 28, func 3 */
pci_write_config_byte(dev, 0x74, ULI_8259_IRQ11);
/* Primary PATA IDE IRQ: 14
* Secondary PATA IDE IRQ: 15
*/
pci_write_config_byte(dev, 0x44, 0x30 | ULI_8259_IRQ14);
pci_write_config_byte(dev, 0x75, ULI_8259_IRQ15);
}
static void __devinit quirk_final_uli1575(struct pci_dev *dev)
{
/* Set i8259 interrupt trigger
* IRQ 3: Level
* IRQ 4: Level
* IRQ 5: Level
* IRQ 6: Level
* IRQ 7: Level
* IRQ 9: Level
* IRQ 10: Level
* IRQ 11: Level
* IRQ 12: Level
* IRQ 14: Edge
* IRQ 15: Edge
*/
if (!uses_fsl_uli_m1575)
return;
outb(0xfa, 0x4d0);
outb(0x1e, 0x4d1);
/* setup RTC */
CMOS_WRITE(RTC_SET, RTC_CONTROL);
CMOS_WRITE(RTC_24H, RTC_CONTROL);
/* ensure month, date, and week alarm fields are ignored */
CMOS_WRITE(0, RTC_VALID);
outb_p(0x7c, 0x72);
outb_p(RTC_ALARM_DONT_CARE, 0x73);
outb_p(0x7d, 0x72);
outb_p(RTC_ALARM_DONT_CARE, 0x73);
}
/* SATA */
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
unsigned char c;
unsigned int d;
if (!uses_fsl_uli_m1575)
return;
/* read/write lock */
pci_read_config_byte(dev, 0x83, &c);
pci_write_config_byte(dev, 0x83, c|0x80);
pci_read_config_dword(dev, PCI_CLASS_REVISION, &d);
d = (d & 0xff) | (PCI_CLASS_STORAGE_SATA_AHCI << 8);
pci_write_config_dword(dev, PCI_CLASS_REVISION, d);
/* restore lock */
pci_write_config_byte(dev, 0x83, c);
/* disable emulated PATA mode enabled */
pci_read_config_byte(dev, 0x84, &c);
pci_write_config_byte(dev, 0x84, c & ~0x01);
}
/* PATA */
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
unsigned short temp;
if (!uses_fsl_uli_m1575)
return;
pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE |
PCI_COMMAND_MASTER | PCI_COMMAND_IO);
/* Enable Native IRQ 14/15 */
pci_read_config_word(dev, 0x4a, &temp);
pci_write_config_word(dev, 0x4a, temp | 0x1000);
}
/* We have to do a dummy read on the P2P for the RTC to work, WTF */
static void __devinit quirk_final_uli5249(struct pci_dev *dev)
{
int i;
u8 *dummy;
struct pci_bus *bus = dev->bus;
for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
if ((bus->resource[i]) &&
(bus->resource[i]->flags & IORESOURCE_MEM)) {
dummy = ioremap(bus->resource[i]->start, 0x4);
if (dummy) {
in_8(dummy);
iounmap(dummy);
}
break;
}
}
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5249, quirk_final_uli5249);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x1575, quirk_final_uli1575);
int uli_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
{
if (bus == (hose->first_busno + 2)) {
/* exclude Modem controller */
if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 1))
return PCIBIOS_DEVICE_NOT_FOUND;
/* exclude HD Audio controller */
if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 2))
return PCIBIOS_DEVICE_NOT_FOUND;
}
return PCIBIOS_SUCCESSFUL;
}

1
arch/powerpc/sysdev/fsl_soc.c
View File

@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>

17
arch/powerpc/sysdev/rtc_cmos_setup.c
View File

@ -20,14 +20,16 @@ static int __init add_rtc(void)
{
struct device_node *np;
struct platform_device *pd;
struct resource res;
struct resource res[2];
int ret;
memset(&res, 0, sizeof(res));
np = of_find_compatible_node(NULL, NULL, "pnpPNP,b00");
if (!np)
return -ENODEV;
ret = of_address_to_resource(np, 0, &res);
ret = of_address_to_resource(np, 0, &res[0]);
of_node_put(np);
if (ret)
return ret;
@ -36,11 +38,18 @@ static int __init add_rtc(void)
* RTC_PORT(x) is hardcoded in asm/mc146818rtc.h. Verify that the
* address provided by the device node matches.
*/
if (res.start != RTC_PORT(0))
if (res[0].start != RTC_PORT(0))
return -EINVAL;
/* Use a fixed interrupt value of 8 since on PPC if we are using this
* its off an i8259 which we ensure has interrupt numbers 0..15. */
res[1].start = 8;
res[1].end = 8;
res[1].flags = IORESOURCE_IRQ;
pd = platform_device_register_simple("rtc_cmos", -1,
&res, 1);
&res[0], 2);
if (IS_ERR(pd))
return PTR_ERR(pd);

12
include/asm-powerpc/reg_booke.h
View File

@ -223,7 +223,6 @@
#define MCSR_ICPERR 0x40000000UL /* I-Cache Parity Error */
#define MCSR_DCP_PERR 0x20000000UL /* D-Cache Push Parity Error */
#define MCSR_DCPERR 0x10000000UL /* D-Cache Parity Error */
#define MCSR_GL_CI 0x00010000UL /* Guarded Load or Cache-Inhibited stwcx. */
#define MCSR_BUS_IAERR 0x00000080UL /* Instruction Address Error */
#define MCSR_BUS_RAERR 0x00000040UL /* Read Address Error */
#define MCSR_BUS_WAERR 0x00000020UL /* Write Address Error */
@ -232,6 +231,12 @@
#define MCSR_BUS_WBERR 0x00000004UL /* Write Data Bus Error */
#define MCSR_BUS_IPERR 0x00000002UL /* Instruction parity Error */
#define MCSR_BUS_RPERR 0x00000001UL /* Read parity Error */
/* e500 parts may set unused bits in MCSR; mask these off */
#define MCSR_MASK (MCSR_MCP | MCSR_ICPERR | MCSR_DCP_PERR | \
MCSR_DCPERR | MCSR_BUS_IAERR | MCSR_BUS_RAERR | \
MCSR_BUS_WAERR | MCSR_BUS_IBERR | MCSR_BUS_RBERR | \
MCSR_BUS_WBERR | MCSR_BUS_IPERR | MCSR_BUS_RPERR)
#endif
#ifdef CONFIG_E200
#define MCSR_MCP 0x80000000UL /* Machine Check Input Pin */
@ -243,6 +248,11 @@
#define MCSR_BUS_DRERR 0x00000008UL /* Read Bus Error on data load */
#define MCSR_BUS_WRERR 0x00000004UL /* Write Bus Error on buffered
store or cache line push */
/* e200 parts may set unused bits in MCSR; mask these off */
#define MCSR_MASK (MCSR_MCP | MCSR_CP_PERR | MCSR_CPERR | \
MCSR_EXCP_ERR | MCSR_BUS_IRERR | MCSR_BUS_DRERR | \
MCSR_BUS_WRERR)
#endif
/* Bit definitions for the DBSR. */