CGEM_SPEC_ADDR_LOW
WR4(sc, CGEM_SPEC_ADDR_LOW(0), (eaddr[3] << 24) |
uint32_t low = RD4(sc, CGEM_SPEC_ADDR_LOW(i));
WR4(sc, CGEM_SPEC_ADDR_LOW(0), (eaddr[3] << 24) |
WR4(sc, CGEM_SPEC_ADDR_LOW(i), 0);