diff options
| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2014-10-23 17:20:57 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-11-19 18:17:12 -0800 |
| commit | c35f8693942d8284c635592f263a0fe11abe1d1d (patch) | |
| tree | 2856c070bf6d583545d52bd79adaf517c83b25a9 /drivers | |
| parent | 3ce21c87c196d9a0f446e572a30bdb6cdb82d769 (diff) | |
| download | u-boot-imx-c35f8693942d8284c635592f263a0fe11abe1d1d.zip u-boot-imx-c35f8693942d8284c635592f263a0fe11abe1d1d.tar.gz u-boot-imx-c35f8693942d8284c635592f263a0fe11abe1d1d.tar.bz2 | |
net/fm: add 2.5G SGMII support
As auto-negotiation is not supported for 2.5G SGMII, we need
to add a new type PHY_INTERFACE_MODE_SGMII_2500 to differentiate
SGMII-1G and SGMII-2.5G with different setting for auto-negotiation.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fm/eth.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c index 218a5ed..137886c 100644 --- a/drivers/net/fm/eth.c +++ b/drivers/net/fm/eth.c @@ -39,9 +39,14 @@ static void dtsec_configure_serdes(struct fm_eth *priv) u32 value; struct mii_dev bus; bus.priv = priv->mac->phyregs; + bool sgmii_2500 = (priv->enet_if == + PHY_INTERFACE_MODE_SGMII_2500) ? true : false; + + /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */ + value = PHY_SGMII_IF_MODE_SGMII; + if (!sgmii_2500) + value |= PHY_SGMII_IF_MODE_AN; - /* SGMII IF mode + AN enable */ - value = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII; memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value); /* Dev ability according to SGMII specification */ @@ -54,7 +59,9 @@ static void dtsec_configure_serdes(struct fm_eth *priv) memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40); /* Restart AN */ - value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN; + value = PHY_SGMII_CR_DEF_VAL; + if (!sgmii_2500) + value |= PHY_SGMII_CR_RESET_AN; memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value); #else struct dtsec *regs = priv->mac->base; @@ -83,7 +90,8 @@ static void dtsec_init_phy(struct eth_device *dev) out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); #endif - if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) + if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII || + fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500) dtsec_configure_serdes(fm_eth); } |