AE_EADDR0_REG
if (reg != AE_EADDR0_REG && reg != AE_EADDR1_REG)
if (reg == AE_EADDR0_REG)
eaddr[0] = AE_READ_4(sc, AE_EADDR0_REG);
AE_WRITE_4(sc, AE_EADDR0_REG, val);