EMAC_HASH_TAB_REG0
mta = readl(adpt->base + EMAC_HASH_TAB_REG0 + (reg << 2));
writel(mta, adpt->base + EMAC_HASH_TAB_REG0 + (reg << 2));
writel(0, adpt->base + EMAC_HASH_TAB_REG0);