diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0294-staging-fsl_ppfe-eth-Disable-autonegotiation-for-2.5.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0294-staging-fsl_ppfe-eth-Disable-autonegotiation-for-2.5.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0294-staging-fsl_ppfe-eth-Disable-autonegotiation-for-2.5.patch b/target/linux/layerscape/patches-5.4/701-net-0294-staging-fsl_ppfe-eth-Disable-autonegotiation-for-2.5.patch new file mode 100644 index 0000000000..3c0abc812d --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0294-staging-fsl_ppfe-eth-Disable-autonegotiation-for-2.5.patch @@ -0,0 +1,42 @@ +From caae8a691922c3702fcb813f5d794f311c0609c6 Mon Sep 17 00:00:00 2001 +From: Bhaskar Upadhaya <Bhaskar.Upadhaya@nxp.com> +Date: Wed, 29 Nov 2017 12:21:43 +0530 +Subject: [PATCH] staging: fsl_ppfe/eth: Disable autonegotiation for 2.5G SGMII + +PCS initialization sequence for 2.5G SGMII interface governs +auto negotiation to be in disabled mode + +Signed-off-by: Bhaskar Upadhaya <Bhaskar.Upadhaya@nxp.com> +--- + drivers/staging/fsl_ppfe/pfe_eth.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +--- a/drivers/staging/fsl_ppfe/pfe_eth.c ++++ b/drivers/staging/fsl_ppfe/pfe_eth.c +@@ -1174,6 +1174,7 @@ static void ls1012a_configure_serdes(str + struct pfe_eth_priv_s *priv = pfe->eth.eth_priv[0]; + int sgmii_2500 = 0; + struct mii_bus *bus = priv->mii_bus; ++ u16 value = 0; + + if (priv->einfo->mii_config == PHY_INTERFACE_MODE_2500SGMII) + sgmii_2500 = 1; +@@ -1191,14 +1192,16 @@ static void ls1012a_configure_serdes(str + pfe_eth_mdio_write(bus, 0, 0x4, 0x4001); + pfe_eth_mdio_write(bus, 0, 0x12, 0xa120); + pfe_eth_mdio_write(bus, 0, 0x13, 0x7); ++ /* Autonegotiation need to be disabled for 2.5G SGMII mode*/ ++ value = 0x0140; ++ pfe_eth_mdio_write(bus, 0, 0x0, value); + } else { + pfe_eth_mdio_write(bus, 0, 0x14, 0xb); + pfe_eth_mdio_write(bus, 0, 0x4, 0x1a1); + pfe_eth_mdio_write(bus, 0, 0x12, 0x400); + pfe_eth_mdio_write(bus, 0, 0x13, 0x0); ++ pfe_eth_mdio_write(bus, 0, 0x0, 0x1140); + } +- +- pfe_eth_mdio_write(bus, 0, 0x0, 0x1140); + } + + /* |