URE_PLA_MAC_PWR_CTRL2
ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA,
val = ure_read_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA);
ure_write_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_PLA, val);
URE_SETBIT_2(sc, URE_PLA_MAC_PWR_CTRL2, URE_MCU_TYPE_USB, URE_MAC_CLK_SPDWN_EN);