NITIO_G0_SW_SAVE
[NITIO_G0_SW_SAVE] = { 0x018, 4 }, /* read */
[NITIO_G0_SW_SAVE] = { NISTC_G0_SAVE_REG, 4 },
case NITIO_G0_SW_SAVE:
#define NITIO_SW_SAVE_REG(x) (NITIO_G0_SW_SAVE + (x))