S3C2440_SDI_BASE
if (bus_space_map(iot, S3C2440_SDI_BASE, S3C2440_SDI_SIZE, 0, &sc->ioh) ) {
sc->sc_dr.ds_addr = S3C2440_SDI_BASE+SDI_DAT_LI_W;
#define SDI_REG(reg) (*(volatile uint32_t*)(S3C2440_SDI_BASE+reg))