EMU_HCFG_GPOUT2
emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);