SD_IO_CCCR_CISPTR
error = sdio_read_direct_sc(sc, 0, SD_IO_CCCR_CISPTR + 0, &val);
error = sdio_read_direct_sc(sc, 0, SD_IO_CCCR_CISPTR + 1, &val);
error = sdio_read_direct_sc(sc, 0, SD_IO_CCCR_CISPTR + 2, &val);
addr = sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR, &ret);
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 1, &ret) << 8;
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 2, &ret) << 16;