EWRITE
#define ECTRLWR(s, v) EWRITE((s), ESM2_CTRL_REG, (v))
#define EDATAWR(s, v) EWRITE((s), ESM2_DATA_REG, (v))
EWRITE(sc, ESM2_INTMASK_REG, x);
EWRITE(sc, ESM2_CTRL_REG, x);
EWRITE(sc, ESM2_CTRL_REG, ESM2_TC_HBDB);
EWRITE(sc, ESM2_CTRL_REG, ESM2_TC_HBDB);