WPI_RESET
tmp = WPI_READ(sc, WPI_RESET);
WPI_WRITE(sc, WPI_RESET, tmp | WPI_STOP_MASTER);
if (WPI_READ(sc, WPI_RESET) & WPI_MASTER_DISABLED)
tmp = WPI_READ(sc, WPI_RESET);
WPI_WRITE(sc, WPI_RESET, tmp);
tmp = WPI_READ(sc, WPI_RESET);
WPI_WRITE(sc, WPI_RESET, tmp | WPI_SW_RESET);