PCICONF
val = rcar_pci_read_reg(pcie, PCICONF(15));
rcar_pci_write_reg(pcie, val, PCICONF(15));
val = rcar_pci_read_reg(pcie, PCICONF(1));
*data = rcar_pci_read_reg(pcie, PCICONF(index));
rcar_pci_write_reg(pcie, *data, PCICONF(index));
#define RCONF(x) (PCICONF(0) + (x))