TXP_H2A_3
sc->sc_txlor.r_reg = TXP_H2A_3;
WRITE_REG(sc, TXP_H2A_3, TXP_BOOTCMD_NULL);
WRITE_REG(sc, TXP_H2A_3, le32toh(fileheader->hmac[1]));
WRITE_REG(sc, TXP_H2A_3, le32toh(sect->addr));