MAC_ADDR1
reg = ethoc_read(priv, MAC_ADDR1);
ethoc_write(priv, MAC_ADDR1, (mac[0] << 8) | (mac[1] << 0));
writel((e[2] << 8) | e[3], gp->regs + MAC_ADDR1);
writel((e[2] << 8) | e[3], gp->regs + MAC_ADDR1);