diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0387-net-phy-vsc8514-enable-in-band-SGMII-auto-negotiatio.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0387-net-phy-vsc8514-enable-in-band-SGMII-auto-negotiatio.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0387-net-phy-vsc8514-enable-in-band-SGMII-auto-negotiatio.patch b/target/linux/layerscape/patches-5.4/701-net-0387-net-phy-vsc8514-enable-in-band-SGMII-auto-negotiatio.patch deleted file mode 100644 index 8aaafe5dcc..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0387-net-phy-vsc8514-enable-in-band-SGMII-auto-negotiatio.patch +++ /dev/null @@ -1,56 +0,0 @@ -From ebfedac745f6d747df2214e11a89ba44742b3def Mon Sep 17 00:00:00 2001 -From: Alex Marginean <alexandru.marginean@nxp.com> -Date: Fri, 27 Dec 2019 21:44:46 +0200 -Subject: [PATCH] net: phy: vsc8514: enable in-band SGMII auto-negotiation - setting - -The default in-band AN setting for the VSC8514 PHY is not very reliable: -its out-of-reset state is with SerDes AN disabled, but certain boot -firmware (such as U-Boot) enables it during the boot process. - -So its final state as seen by Linux depends on whether the U-Boot PHY -driver has run or not. - -If SGMII auto-negotiation is enabled but not acknowledged by the MAC, -the PHY does not pass traffic. - -But otherwise, it is able to pass traffic both with AN disabled, and -with AN enabled. - -We would like to make this explicitly configurable rather than hardcoded -as "on" as we are doing right now, but we'd rather hardcode it in LSDK -and wait until a solution lands upstream, than invent a solution for -this here. - -Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com> -Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> ---- - drivers/net/phy/mscc.c | 10 ++++++++++ - 1 file changed, 10 insertions(+) - ---- a/drivers/net/phy/mscc.c -+++ b/drivers/net/phy/mscc.c -@@ -176,6 +176,8 @@ enum rgmii_rx_clock_delay { - #define SECURE_ON_PASSWD_LEN_4 0x4000 - - /* Extended Page 3 Registers */ -+#define MSCC_PHY_SERDES_CON 16 -+#define MSCC_PHY_SERDES_ANEG BIT(7) - #define MSCC_PHY_SERDES_TX_VALID_CNT 21 - #define MSCC_PHY_SERDES_TX_CRC_ERR_CNT 22 - #define MSCC_PHY_SERDES_RX_VALID_CNT 28 -@@ -2131,6 +2133,14 @@ static int vsc8514_config_init(struct ph - - mutex_unlock(&phydev->mdio.bus->mdio_lock); - -+ ret = phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3); -+ if (ret) -+ return ret; -+ -+ ret = phy_set_bits(phydev, MSCC_PHY_SERDES_CON, MSCC_PHY_SERDES_ANEG); -+ if (ret) -+ return ret; -+ - ret = phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD); - - if (ret) |