RGE_CFG1
if (!(RGE_READ_1(sc, RGE_CFG1) & RGE_CFG1_PM_EN)) {
RGE_SETBIT_1(sc, RGE_CFG1, RGE_CFG1_PM_EN);
RGE_CLRBIT_1(sc, RGE_CFG1, RGE_CFG1_SPEED_DOWN);