write_pci_config
ret = rtas_call(write_pci_config, 3, 1, NULL, addr, size, (ulong)val);
write_pci_config = rtas_function_token(RTAS_FN_WRITE_PCI_CONFIG);
static int write_pci_config;
extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl);
write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl);
write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl);
write_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE, aper_alloc >> 25);
write_pci_config(num, slot, func, 0x70, d);
write_pci_config(num, slot, func, 0x68, htcfg);
write_pci_config(bus, slot, func, PCI_COMMAND,
write_pci_config(bus, slot, func, PCI_COMMAND,
write_pci_config(bus, slot, 3, 0x8c, val);
write_pci_config(ehci_dev.bus, ehci_dev.slot, ehci_dev.func, 0x74,
write_pci_config(bus, dev, func, PCI_BASE_ADDRESS_0, ~0);
write_pci_config(bus, dev, func, PCI_BASE_ADDRESS_0, val);
write_pci_config(bus, dev, func, PCI_BASE_ADDRESS_0 + 4, ~0);
write_pci_config(bus, dev, func, PCI_BASE_ADDRESS_0 + 4, val);