LPCR
cr = HREAD4(sc, LPCR);
cr = HREAD4(sc, LPCR);
HWRITE4(sc, LPCR, cr);
if ((HREAD4(sc, LPCR) & LPCR_SRTC_ENV) == 0)
HWRITE4(sc, LPCR, cr);
if (HREAD4(sc, LPCR) & LPCR_SRTC_ENV)