MAC_ADDR0
reg = ethoc_read(priv, MAC_ADDR0);
ethoc_write(priv, MAC_ADDR0, (mac[2] << 24) | (mac[3] << 16) |
writel((e[4] << 8) | e[5], gp->regs + MAC_ADDR0);
writel((e[4] << 8) | e[5], gp->regs + MAC_ADDR0);