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Adding support for OS dependent probing of IA64 chipsets. Not all IA64

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chipsets can be probed without OS support as probing them is only
    possible using ACPI. One example of this are the HP ZX1/2 chipsets:
    previously the code assumed that these chips were present when no other
    of the known chipsets could be probed. This assumption brought SGI
    Altrix machines with 64 CPUs to a grinding halt.
This commit is contained in:
Egbert Eich 2004-09-15 09:23:59 +00:00
commit 516f452e78
9 changed files with 318 additions and 72 deletions
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14
hw/xfree86/os-support/bus/e8870PCI.c
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@ -34,17 +34,23 @@
#include "Pci.h"
Bool
xf86PreScanE8870(void)
xorgProbeE8870(scanpciWrapperOpt flags)
{
PCITAG tag;
/* Look for an E8870's Hub interface */
tag = PCI_MAKE_TAG(0, 0x1E, 0);
if (pciReadLong(tag, PCI_ID_REG) != DEVID(VENDOR_INTEL, CHIP_82801_P2P))
return FALSE;
if (pciReadLong(tag, PCI_ID_REG) == DEVID(VENDOR_INTEL, CHIP_82801_P2P))
return TRUE;
return FALSE;
}
void
xf86PreScanE8870(void)
{
/* XXX Fill me in... */
return TRUE;
return;
}
void