diff options
Diffstat (limited to 'arch/i386/cpu/sc520/sc520_pci.c')
| -rw-r--r-- | arch/i386/cpu/sc520/sc520_pci.c | 63 |
1 files changed, 17 insertions, 46 deletions
diff --git a/arch/i386/cpu/sc520/sc520_pci.c b/arch/i386/cpu/sc520/sc520_pci.c index f446c6d59..b91773435 100644 --- a/arch/i386/cpu/sc520/sc520_pci.c +++ b/arch/i386/cpu/sc520/sc520_pci.c @@ -25,7 +25,9 @@ #include <common.h> #include <pci.h> +#include <asm/io.h> #include <asm/pci.h> +#include <asm/ic/pci.h> #include <asm/ic/sc520.h> static struct { @@ -63,6 +65,8 @@ int sc520_pci_ints[15] = { int pci_sc520_set_irq(int pci_pin, int irq) { int i; + u8 tmpb; + u16 tmpw; # if 1 printf("set_irq(): map INT%c to IRQ%d\n", pci_pin + 'A', irq); @@ -80,31 +84,34 @@ int pci_sc520_set_irq(int pci_pin, int irq) /* PCI interrupt mapping (A through D)*/ for (i=0; i<=3 ;i++) { - if (sc520_mmcr->pci_int_map[i] == sc520_irq[irq].priority) - sc520_mmcr->pci_int_map[i] = SC520_IRQ_DISABLED; + if (readb(&sc520_mmcr->pci_int_map[i]) == sc520_irq[irq].priority) + writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[i]); } /* GP IRQ interrupt mapping */ for (i=0; i<=10 ;i++) { - if (sc520_mmcr->gp_int_map[i] == sc520_irq[irq].priority) - sc520_mmcr->gp_int_map[i] = SC520_IRQ_DISABLED; + if (readb(&sc520_mmcr->gp_int_map[i]) == sc520_irq[irq].priority) + writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_int_map[i]); } /* Set the trigger to level */ - sc520_mmcr->pic_mode[sc520_irq[irq].level_reg] = - sc520_mmcr->pic_mode[sc520_irq[irq].level_reg] | sc520_irq[irq].level_bit; + tmpb = readb(&sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]); + tmpb |= sc520_irq[irq].level_bit; + writeb(tmpb, &sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]); if (pci_pin < 4) { /* PCI INTA-INTD */ /* route the interrupt */ - sc520_mmcr->pci_int_map[pci_pin] = sc520_irq[irq].priority; + writeb(sc520_irq[irq].priority, &sc520_mmcr->pci_int_map[pci_pin]); } else { /* GPIRQ0-GPIRQ10 used for additional PCI INTS */ - sc520_mmcr->gp_int_map[pci_pin - 4] = sc520_irq[irq].priority; + writeb(sc520_irq[irq].priority, &sc520_mmcr->gp_int_map[pci_pin - 4]); /* also set the polarity in this case */ - sc520_mmcr->intpinpol = sc520_mmcr->intpinpol | (1 << (pci_pin-4)); + tmpw = readw(&sc520_mmcr->intpinpol); + tmpw |= (1 << (pci_pin-4)); + writew(tmpw, &sc520_mmcr->intpinpol); } /* register the pin */ @@ -118,43 +125,7 @@ void pci_sc520_init(struct pci_controller *hose) { hose->first_busno = 0; hose->last_busno = 0xff; - - /* System memory space */ - pci_set_region(hose->regions + 0, - SC520_PCI_MEMORY_BUS, - SC520_PCI_MEMORY_PHYS, - SC520_PCI_MEMORY_SIZE, - PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - - /* PCI memory space */ - pci_set_region(hose->regions + 1, - SC520_PCI_MEM_BUS, - SC520_PCI_MEM_PHYS, - SC520_PCI_MEM_SIZE, - PCI_REGION_MEM); - - /* ISA/PCI memory space */ - pci_set_region(hose->regions + 2, - SC520_ISA_MEM_BUS, - SC520_ISA_MEM_PHYS, - SC520_ISA_MEM_SIZE, - PCI_REGION_MEM); - - /* PCI I/O space */ - pci_set_region(hose->regions + 3, - SC520_PCI_IO_BUS, - SC520_PCI_IO_PHYS, - SC520_PCI_IO_SIZE, - PCI_REGION_IO); - - /* ISA/PCI I/O space */ - pci_set_region(hose->regions + 4, - SC520_ISA_IO_BUS, - SC520_ISA_IO_PHYS, - SC520_ISA_IO_SIZE, - PCI_REGION_IO); - - hose->region_count = 5; + hose->region_count = pci_set_regions(hose); pci_setup_type1(hose, SC520_REG_ADDR, |