WMREG_SCTL
CSR_WRITE(sc, WMREG_SCTL, SCTL_DISABLE_SERDES_LOOPBACK);
CSR_WRITE(sc, WMREG_SCTL, SCTL_DISABLE_SERDES_LOOPBACK);
wm_82575_write_8bit_ctlr_reg(sc, WMREG_SCTL, 0x00, 0x0c);
wm_82575_write_8bit_ctlr_reg(sc, WMREG_SCTL, 0x01, 0x78);
wm_82575_write_8bit_ctlr_reg(sc, WMREG_SCTL, 0x1b, 0x23);
wm_82575_write_8bit_ctlr_reg(sc, WMREG_SCTL, 0x23, 0x15);