int where, u32 *data)
{
unsigned char busnum = bus->number;
- u_int64_t addr, type;
- void *addrp;
- int device = PCI_SLOT(devfn);
int function = PCI_FUNC(devfn);
+ int device = PCI_SLOT(devfn);
int reg = where & ~3;
+ void *addrp;
+ u64 addr;
+
+ if (where < PCI_CFG_SPACE_SIZE) { /* standard config */
+ addr = (busnum << 16) | (device << 11) | (function << 8) | reg;
+ if (busnum == 0) {
+ if (device > 31)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ addrp = (void *)TO_UNCAC(HT1LO_PCICFG_BASE | addr);
+ } else {
+ addrp = (void *)TO_UNCAC(HT1LO_PCICFG_BASE_TP1 | addr);
+ }
+ } else if (where < PCI_CFG_SPACE_EXP_SIZE) { /* extended config */
+ struct pci_dev *rootdev;
+
+ rootdev = pci_get_domain_bus_and_slot(0, 0, 0);
+ if (!rootdev)
+ return PCIBIOS_DEVICE_NOT_FOUND;
- addr = (busnum << 16) | (device << 11) | (function << 8) | reg;
- if (busnum == 0) {
- if (device > 31)
+ addr = pci_resource_start(rootdev, 3);
+ if (!addr)
return PCIBIOS_DEVICE_NOT_FOUND;
- addrp = (void *)(TO_UNCAC(HT1LO_PCICFG_BASE) | (addr & 0xffff));
- type = 0;
+ addr |= busnum << 20 | device << 15 | function << 12 | reg;
+ addrp = (void *)TO_UNCAC(addr);
} else {
- addrp = (void *)(TO_UNCAC(HT1LO_PCICFG_BASE_TP1) | (addr));
- type = 0x10000;
+ return PCIBIOS_DEVICE_NOT_FOUND;
}
if (access_type == PCI_ACCESS_WRITE)