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fix CardBus issue for Compaq R3000 series laptop

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Approved by:	anholt (mentor)
This commit is contained in:
Jung-uk Kim 2005-08-26 23:39:44 +00:00
parent 001f040a03
commit c94d6dbee5
1 changed files with 18 additions and 0 deletions
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18
sys/dev/pci/pci_pci.c
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@ -186,6 +186,24 @@ pcib_attach_common(device_t dev)
case 0x060513d7: /* Toshiba ???? */
sc->flags |= PCIB_SUBTRACTIVE;
break;
/* Compaq R3000 BIOS sets wrong subordinate bus number. */
case 0x00dd10de:
{
char *cp;
cp = getenv("smbios.planar.maker");
if (cp == NULL || strncmp(cp, "Compal", 6) != 0)
break;
cp = getenv("smbios.planar.product");
if (cp == NULL || strncmp(cp, "08A0", 4) != 0)
break;
if (sc->subbus < 0xa) {
pci_write_config(dev, PCIR_SUBBUS_1, 0xa, 1);
sc->subbus = pci_read_config(dev, PCIR_SUBBUS_1, 1);
}
break;
}
}
/*