SK_STAT_BMU_CSR
CSR_WRITE_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_IRQ_CLEAR);
sk_win_write_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_RESET);
sk_win_write_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_UNRESET);
sk_win_write_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_ON);