XMAC_REG_CTRL
vals->xmac_addr = base_addr + XMAC_REG_CTRL;
REG_WR(sc, xmac_base + XMAC_REG_CTRL,
val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);