Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Sanitized version of my ATI IXP fix. This one checks for host bridge PCI ID so it shouldn't harm other machines. Works for me (cold boots ok). This should fix bug #2342. Please test.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27333 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2008-09-05 01:52:31 +00:00
parent b257bb85e7
commit 68776e7d42
1 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/add-ons/kernel/bus_managers/pci/pci_fixup.cpp
View File

@ -6,6 +6,8 @@
#include "pci.h"
#include "pci_fixup.h"
#include <arch/int.h>
#include <KernelExport.h>
@ -153,6 +155,37 @@ intel_fixup_ahci(PCI *pci, int domain, uint8 bus, uint8 device, uint8 function,
}
static void
ati_fixup_ixp(PCI *pci, int domain, uint8 bus, uint8 device, uint8 function, uint16 deviceId)
{
#ifdef __INTEL__
/* ATI Technologies Inc, IXP chipset:
* This chipset seems broken, at least on my laptop I must force
* the timer IRQ trigger mode, else no interrupt comes in.
* mmu_man.
*/
// XXX: should I use host or isa bridges for detection ??
switch (deviceId) {
// Host bridges
case 0x5950: // RS480 Host Bridge
case 0x5830:
break;
// ISA bridges
case 0x4377: // IXP SB400 PCI-ISA Bridge
default:
return;
}
dprintf("ati_fixup_ixp: domain %u, bus %u, device %u, function %u, deviceId 0x%04x\n",
domain, bus, device, function, deviceId);
dprintf("ati_fixup_ixp: found IXP chipset, forcing IRQ 0 as level triggered.\n");
// XXX: maybe use pic_*() ?
arch_int_configure_io_interrupt(0, B_LEVEL_TRIGGERED);
#endif
}
void
pci_fixup_device(PCI *pci, int domain, uint8 bus, uint8 device, uint8 function)
{
@ -172,6 +205,10 @@ pci_fixup_device(PCI *pci, int domain, uint8 bus, uint8 device, uint8 function)
case 0x8086:
intel_fixup_ahci(pci, domain, bus, device, function, deviceId);
break;
case 0x1002:
ati_fixup_ixp(pci, domain, bus, device, function, deviceId);
break;
}
}