IWM_FH_UCODE_LOAD_STATUS
val = IWM_READ(sc, IWM_FH_UCODE_LOAD_STATUS);
IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, val);
IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, 0xFFFF);
IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, 0xFFFFFFFF);