EMAC_MACADDR_HI
writel(0, ioaddr + EMAC_MACADDR_HI(reg_n));
stmmac_set_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
v = readl(ioaddr + EMAC_MACADDR_HI(reg_n));
writel(v, ioaddr + EMAC_MACADDR_HI(reg_n));
stmmac_get_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),