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Diffstat (limited to 'arch/powerpc/platforms/86xx/mpc86xx_hpcn.c')
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c260
1 files changed, 28 insertions, 232 deletions
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 1051702c8d4f..47aafa76c933 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -31,6 +31,7 @@
#include <asm/mpic.h>
+#include <sysdev/fsl_pci.h>
#include <sysdev/fsl_soc.h>
#include "mpc86xx.h"
@@ -44,13 +45,6 @@
#define DBG(fmt...) do { } while(0)
#endif
-#ifndef CONFIG_PCI
-unsigned long isa_io_base = 0;
-unsigned long isa_mem_base = 0;
-unsigned long pci_dram_offset = 0;
-#endif
-
-
#ifdef CONFIG_PCI
static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
{
@@ -81,22 +75,9 @@ mpc86xx_hpcn_init_irq(void)
/* Alloc mpic structure and per isu has 16 INT entries. */
mpic1 = mpic_alloc(np, res.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
- 16, NR_IRQS - 4,
- " MPIC ");
+ 0, 256, " MPIC ");
BUG_ON(mpic1 == NULL);
- mpic_assign_isu(mpic1, 0, res.start + 0x10000);
-
- /* 48 Internal Interrupts */
- mpic_assign_isu(mpic1, 1, res.start + 0x10200);
- mpic_assign_isu(mpic1, 2, res.start + 0x10400);
- mpic_assign_isu(mpic1, 3, res.start + 0x10600);
-
- /* 16 External interrupts
- * Moving them from [0 - 15] to [64 - 79]
- */
- mpic_assign_isu(mpic1, 4, res.start + 0x10000);
-
mpic_init(mpic1);
#ifdef CONFIG_PCI
@@ -126,219 +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)
-{
- 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("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);
- }
-
- /*
- * 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);
-}
-
-static void __devinit quirk_uli5288(struct pci_dev *dev)
+static int mpc86xx_exclude_device(struct pci_controller *hose,
+ u_char bus, u_char devfn)
{
- unsigned char c;
+ struct device_node* node;
+ struct resource rsrc;
- pci_read_config_byte(dev,0x83,&c);
- c |= 0x80;
- pci_write_config_byte(dev, 0x83, c);
+ node = (struct device_node *)hose->arch_data;
+ of_address_to_resource(node, 0, &rsrc);
- 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);
- pci_read_config_word(dev, 0x4a, &temp);
- temp |= 0x1000;
- pci_write_config_word(dev, 0x4a, temp);
-}
+ if ((rsrc.start & 0xfffff) == 0x8000) {
+ return uli_exclude_device(hose, bus, devfn);
+ }
-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;
+ 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 */
@@ -363,10 +150,17 @@ mpc86xx_hpcn_setup_arch(void)
}
#ifdef CONFIG_PCI
- for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- add_bridge(np);
-
+ for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
+ struct resource rsrc;
+ of_address_to_resource(np, 0, &rsrc);
+ if ((rsrc.start & 0xfffff) == 0x8000)
+ fsl_add_bridge(np, 1);
+ 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");
@@ -445,7 +239,6 @@ mpc86xx_time_init(void)
return 0;
}
-
define_machine(mpc86xx_hpcn) {
.name = "MPC86xx HPCN",
.probe = mpc86xx_hpcn_probe,
@@ -457,4 +250,7 @@ define_machine(mpc86xx_hpcn) {
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
};
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-24 20:06:31 +0000