SK_IMR
CSR_WRITE_4(sc, SK_IMR, sc->sk_intrmask);
CSR_WRITE_4(sc, SK_IMR, sc->sk_intrmask);
CSR_WRITE_4(sc, SK_IMR, sc->sk_intrmask);
CSR_WRITE_4(sc, SK_IMR, mask);
CSR_WRITE_4(sc, SK_IMR, sc->sk_intrmask);