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Use switch statements instead of if-else for enabling PCI-express config

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space support.

MFC after:	1 week
This commit is contained in:
John Baldwin 2008-08-20 17:50:59 +00:00
parent 630d7662c3
commit 5326f07766
1 changed files with 9 additions and 3 deletions
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12
sys/i386/pci/pci_cfgreg.c
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@ -169,15 +169,21 @@ pci_cfgregopen(void)
/* Check for supported chipsets */
vid = pci_cfgregread(0, 0, 0, PCIR_VENDOR, 2);
did = pci_cfgregread(0, 0, 0, PCIR_DEVICE, 2);
if (vid == 0x8086) {
if (did == 0x3590 || did == 0x3592) {
switch (vid) {
case 0x8086:
switch (did) {
case 0x3590:
case 0x3592:
/* Intel 7520 or 7320 */
pciebar = pci_cfgregread(0, 0, 0, 0xce, 2) << 16;
pciereg_cfgopen();
} else if (did == 0x2580 || did == 0x2584) {
break;
case 0x2580:
case 0x2584:
/* Intel 915 or 925 */
pciebar = pci_cfgregread(0, 0, 0, 0x48, 4);
pciereg_cfgopen();
break;
}
}