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Add a full set of pci access functions.

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3479 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2008-08-07 19:09:17 +00:00
committed by Stefan Reinauer
parent 85c7aec73e
commit 88ad6b0f91
3 changed files with 73 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
payloads/coreinfo/pci_module.c
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@@ -94,7 +94,8 @@ static void show_config_space(WINDOW *win, int row, int col, int index)
devfn = devices[index].device & 0xff;
for (i = 0; i < 64; i += 4)
pci_read_dword(bus, devfn, i, ((unsigned int *)&cspace[i]));
cspace[i] = pci_read_config32(PCI_DEV(bus, PCI_SLOT(devfn),
PCI_FUNC(devfn)), i);
for (y = 0; y < 4; y++) {
for (x = 0; x < 16; x++)
@@ -180,7 +181,10 @@ static void pci_scan_bus(int bus)
for (devfn = 0; devfn < 0x100;) {
for (func = 0; func < 8; func++, devfn++) {
pci_read_dword(bus, devfn, REG_VENDOR_ID, &val);
pcidev_t dev = PCI_DEV(bus, PCI_SLOT(devfn),
PCI_FUNC(devfn));
val = pci_read_config32(dev, REG_VENDOR_ID);
/* Nobody home. */
if (val == 0xffffffff || val == 0x00000000 ||
@@ -197,14 +201,13 @@ static void pci_scan_bus(int bus)
devices[devices_index++].id = val;
/* If this is a bridge, then follow it. */
pci_read_byte(bus, devfn, REG_HEADER_TYPE, &hdr);
hdr = pci_read_config8(dev, REG_HEADER_TYPE);
hdr &= 0x7f;
if (hdr == HEADER_TYPE_BRIDGE ||
hdr == HEADER_TYPE_CARDBUS) {
unsigned int busses;
pci_read_dword(bus, devfn, REG_PRIMARY_BUS,
&busses);
busses = pci_read_config32(dev, REG_PRIMARY_BUS);
pci_scan_bus((busses >> 8) & 0xff);