IGC_WUFC
wufc = rd32(IGC_WUFC);
wr32(IGC_WUFC, wufc);
wr32(IGC_WUFC, wufc);
wufc = rd32(IGC_WUFC);
wufc = rd32(IGC_WUFC);
wufc = rd32(IGC_WUFC);
wr32(IGC_WUFC, wufc);
wufc = rd32(IGC_WUFC);
wr32(IGC_WUFC, wufc);
wr32(IGC_WUFC, wufc);
wr32(IGC_WUFC, 0);