NITIO_G0_HW_SAVE
[NITIO_G0_HW_SAVE] = { 0x010, 4 }, /* read */
[NITIO_G0_HW_SAVE] = { NISTC_G0_HW_SAVE_REG, 4 },
case NITIO_G0_HW_SAVE:
#define NITIO_HW_SAVE_REG(x) (NITIO_G0_HW_SAVE + (x))