Symbol: ZYD_CR_ADDA_PWR_DWN
usr/src/uts/common/io/zyd/zyd_hw.c
543
(void) zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
usr/src/uts/common/io/zyd/zyd_hw.c
547
(void) zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);