diff options
author | Steve French <sfrench@us.ibm.com> | 2007-11-25 09:53:27 +0000 |
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committer | Steve French <sfrench@us.ibm.com> | 2007-11-25 09:53:27 +0000 |
commit | 058250a0d5886b4d96a195ecc7e3a75e2df5e4b1 (patch) | |
tree | fb67e8f5258c6aa11d4e8c39650e23de7556b38d /arch/mips/pci/fixup-sni.c | |
parent | cea218054ad277d6c126890213afde07b4eb1602 (diff) | |
parent | 2ffbb8377c7a0713baf6644e285adc27a5654582 (diff) |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mips/pci/fixup-sni.c')
-rw-r--r-- | arch/mips/pci/fixup-sni.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/mips/pci/fixup-sni.c b/arch/mips/pci/fixup-sni.c index a45bedd1723..5c8a79bb266 100644 --- a/arch/mips/pci/fixup-sni.c +++ b/arch/mips/pci/fixup-sni.c @@ -113,6 +113,16 @@ static char irq_tab_pcit[13][5] __initdata = { { 0, INTA, INTB, INTC, INTD }, /* Slot 5 */ }; +static char irq_tab_pcit_cplus[13][5] __initdata = { + /* INTA INTB INTC INTD */ + { 0, 0, 0, 0, 0 }, /* HOST bridge */ + { 0, INTB, INTC, INTD, INTA }, /* PCI Slot 9 */ + { 0, 0, 0, 0, 0 }, /* PCI-EISA */ + { 0, 0, 0, 0, 0 }, /* Unused */ + { 0, INTA, INTB, INTC, INTD }, /* PCI-PCI bridge */ + { 0, INTB, INTC, INTD, INTA }, /* fixup */ +}; + static inline int is_rm300_revd(void) { unsigned char csmsr = *(volatile unsigned char *)PCIMT_CSMSR; @@ -123,8 +133,19 @@ static inline int is_rm300_revd(void) int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { switch (sni_brd_type) { - case SNI_BRD_PCI_TOWER: case SNI_BRD_PCI_TOWER_CPLUS: + if (slot == 4) { + /* + * SNI messed up interrupt wiring for onboard + * PCI bus 1; we need to fix this up here + */ + while (dev && dev->bus->number != 1) + dev = dev->bus->self; + if (dev && dev->devfn >= PCI_DEVFN(4, 0)) + slot = 5; + } + return irq_tab_pcit_cplus[slot][pin]; + case SNI_BRD_PCI_TOWER: return irq_tab_pcit[slot][pin]; case SNI_BRD_PCI_MTOWER: |