diff options
Diffstat (limited to 'arch/mips/pci/fixup-sni.c')
| -rw-r--r-- | arch/mips/pci/fixup-sni.c | 68 |
1 files changed, 64 insertions, 4 deletions
diff --git a/arch/mips/pci/fixup-sni.c b/arch/mips/pci/fixup-sni.c index a176f2ca8656..36e5fb1b3786 100644 --- a/arch/mips/pci/fixup-sni.c +++ b/arch/mips/pci/fixup-sni.c @@ -14,8 +14,10 @@ #include <asm/mipsregs.h> #include <asm/sni.h> +#include <irq.h> + /* - * Shortcuts ... + * PCIMT Shortcuts ... */ #define SCSI PCIMT_IRQ_SCSI #define ETH PCIMT_IRQ_ETHERNET @@ -67,6 +69,50 @@ static char irq_tab_rm300d[8][5] __initdata = { { 0, INTD, INTA, INTB, INTC }, /* Slot 4 */ }; +static char irq_tab_rm300e[5][5] __initdata = { + /* INTA INTB INTC INTD */ + { 0, 0, 0, 0, 0 }, /* HOST bridge */ + { SCSI, SCSI, SCSI, SCSI, SCSI }, /* SCSI */ + { 0, INTC, INTD, INTA, INTB }, /* Bridge/i960 */ + { 0, INTD, INTA, INTB, INTC }, /* Slot 1 */ + { 0, INTA, INTB, INTC, INTD }, /* Slot 2 */ +}; +#undef SCSI +#undef ETH +#undef INTA +#undef INTB +#undef INTC +#undef INTD + + +/* + * PCIT Shortcuts ... + */ +#define SCSI0 PCIT_IRQ_SCSI0 +#define SCSI1 PCIT_IRQ_SCSI1 +#define ETH PCIT_IRQ_ETHERNET +#define INTA PCIT_IRQ_INTA +#define INTB PCIT_IRQ_INTB +#define INTC PCIT_IRQ_INTC +#define INTD PCIT_IRQ_INTD + +static char irq_tab_pcit[13][5] __initdata = { + /* INTA INTB INTC INTD */ + { 0, 0, 0, 0, 0 }, /* HOST bridge */ + { SCSI0, SCSI0, SCSI0, SCSI0, SCSI0 }, /* SCSI */ + { SCSI1, SCSI1, SCSI1, SCSI1, SCSI1 }, /* SCSI */ + { ETH, ETH, ETH, ETH, ETH }, /* Ethernet */ + { 0, INTA, INTB, INTC, INTD }, /* PCI-PCI bridge */ + { 0, 0, 0, 0, 0 }, /* Unused */ + { 0, 0, 0, 0, 0 }, /* Unused */ + { 0, 0, 0, 0, 0 }, /* Unused */ + { 0, INTA, INTB, INTC, INTD }, /* Slot 1 */ + { 0, INTB, INTC, INTD, INTA }, /* Slot 2 */ + { 0, INTC, INTD, INTA, INTB }, /* Slot 3 */ + { 0, INTD, INTA, INTB, INTC }, /* Slot 4 */ + { 0, INTA, INTB, INTC, INTD }, /* Slot 5 */ +}; + static inline int is_rm300_revd(void) { unsigned char csmsr = *(volatile unsigned char *)PCIMT_CSMSR; @@ -76,10 +122,24 @@ static inline int is_rm300_revd(void) int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { - if (is_rm300_revd()) - return irq_tab_rm300d[slot][pin]; + switch (sni_brd_type) { + case SNI_BRD_PCI_TOWER: + case SNI_BRD_PCI_TOWER_CPLUS: + return irq_tab_pcit[slot][pin]; - return irq_tab_rm200[slot][pin]; + case SNI_BRD_PCI_MTOWER: + if (is_rm300_revd()) + return irq_tab_rm300d[slot][pin]; + /* fall through */ + + case SNI_BRD_PCI_DESKTOP: + return irq_tab_rm200[slot][pin]; + + case SNI_BRD_PCI_MTOWER_CPLUS: + return irq_tab_rm300e[slot][pin]; + } + + return 0; } /* Do platform specific device initialization at pci_enable_device() time */ |