diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2006-12-14 17:14:02 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2006-12-14 17:14:02 +0000 |
| commit | 95476d7a5b0c0ad0d5c49ec2f74336bdafa725a3 (patch) | |
| tree | 451bc2f14418e3af0fd108f92c881e72089b247b /sys | |
| parent | 7574241e653323a026136f0b4c6bba9c457e11f4 (diff) | |
Swizzle interrupts for devices for which we don't have explicit inetrrupt
routing information.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/amd64/pci/pci_machdep.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/arch/amd64/pci/pci_machdep.c b/sys/arch/amd64/pci/pci_machdep.c index 2b056fadd0b..ce6e849cdbf 100644 --- a/sys/arch/amd64/pci/pci_machdep.c +++ b/sys/arch/amd64/pci/pci_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pci_machdep.c,v 1.9 2006/11/25 16:59:31 niklas Exp $ */ +/* $OpenBSD: pci_machdep.c,v 1.10 2006/12/14 17:14:01 kettenis Exp $ */ /* $NetBSD: pci_machdep.c,v 1.3 2003/05/07 21:33:58 fvdl Exp $ */ /*- @@ -425,6 +425,7 @@ pci_intr_map(pa, ihp) int rawpin = pa->pa_rawintrpin; pci_chipset_tag_t pc = pa->pa_pc; int bus, dev, func; + int mppin; #endif if (pin == 0) { @@ -440,10 +441,22 @@ pci_intr_map(pa, ihp) #if NIOAPIC > 0 pci_decompose_tag(pc, pa->pa_tag, &bus, &dev, &func); if (mp_busses != NULL) { - if (intr_find_mpmapping(bus, (dev<<2)|(rawpin-1), ihp) == 0) { + mppin = (dev << 2)|(rawpin - 1); + if (intr_find_mpmapping(bus, mppin, ihp) == 0) { *ihp |= line; return 0; } + if (pa->pa_bridgetag) { + int bridgebus, bridgedev; + + pci_decompose_tag(pc, *pa->pa_bridgetag, + &bridgebus, &bridgedev, NULL); + mppin = (bridgedev << 2)|((rawpin + dev - 1) & 0x3); + if (intr_find_mpmapping(bridgebus, mppin, ihp) == 0) { + *ihp |= line; + return 0; + } + } /* * No explicit PCI mapping found. This is not fatal, * we'll try the ISA (or possibly EISA) mappings next. |