aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/85xx/mpc8544_ds.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/85xx/mpc8544_ds.c')
-rw-r--r--arch/powerpc/platforms/85xx/mpc8544_ds.c214
1 files changed, 15 insertions, 199 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c
index 4905f6f8903b..0f834d8be444 100644
--- a/arch/powerpc/platforms/85xx/mpc8544_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c
@@ -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)
-{
- struct of_irq oirq;
- u32 laddr[3];
- struct device_node *hosenode = hose ? hose->arch_data : NULL;
-
- if (!hosenode)
- return -EINVAL;
-
- 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];
-}
-
-/*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)
+static int mpc85xx_exclude_device(struct pci_controller *hose,
+ u_char bus, u_char devfn)
{
- 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 */
+ struct device_node* node;
+ struct resource rsrc;
- 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);
-}
+ node = (struct device_node *)hose->arch_data;
+ of_address_to_resource(node, 0, &rsrc);
-/* 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);
-}
+ if ((rsrc.start & 0xfffff) == 0xb000) {
+ return uli_exclude_device(hose, bus, devfn);
+ }
-/*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;
+ return PCIBIOS_SUCCESSFUL;
}
-
-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");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.