diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.4/031-mvneta-implement-ethtool-autonegotiation-control.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.4/031-mvneta-implement-ethtool-autonegotiation-control.patch | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/target/linux/mvebu/patches-4.4/031-mvneta-implement-ethtool-autonegotiation-control.patch b/target/linux/mvebu/patches-4.4/031-mvneta-implement-ethtool-autonegotiation-control.patch deleted file mode 100644 index 626b511c45..0000000000 --- a/target/linux/mvebu/patches-4.4/031-mvneta-implement-ethtool-autonegotiation-control.patch +++ /dev/null @@ -1,165 +0,0 @@ -From: Stas Sergeev <stsp@list.ru> -Date: Wed, 2 Dec 2015 20:35:11 +0300 -Subject: [PATCH] mvneta: implement ethtool autonegotiation control - -This patch allows to do -ethtool -s eth0 autoneg off -ethtool -s eth0 autoneg on -to disable or enable autonegotiation at run-time. -Without that functionality, the only way to control the autonegotiation -is to modify the device tree. - -This is needed if you plan to use the same kernel with -different ethernet switches, the ones that support the in-band -status and the ones that not. - -CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> -CC: netdev@vger.kernel.org -CC: linux-kernel@vger.kernel.org - -Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/drivers/net/ethernet/marvell/mvneta.c -+++ b/drivers/net/ethernet/marvell/mvneta.c -@@ -371,7 +371,7 @@ struct mvneta_port { - unsigned int duplex; - unsigned int speed; - unsigned int tx_csum_limit; -- int use_inband_status:1; -+ unsigned int use_inband_status:1; - - u64 ethtool_stats[ARRAY_SIZE(mvneta_statistics)]; - }; -@@ -973,6 +973,44 @@ static void mvneta_set_other_mcast_table - mvreg_write(pp, MVNETA_DA_FILT_OTH_MCAST + offset, val); - } - -+static void mvneta_set_autoneg(struct mvneta_port *pp, int enable) -+{ -+ u32 val; -+ -+ if (enable) { -+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); -+ val &= ~(MVNETA_GMAC_FORCE_LINK_PASS | -+ MVNETA_GMAC_FORCE_LINK_DOWN | -+ MVNETA_GMAC_AN_FLOW_CTRL_EN); -+ val |= MVNETA_GMAC_INBAND_AN_ENABLE | -+ MVNETA_GMAC_AN_SPEED_EN | -+ MVNETA_GMAC_AN_DUPLEX_EN; -+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); -+ -+ val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER); -+ val |= MVNETA_GMAC_1MS_CLOCK_ENABLE; -+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val); -+ -+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); -+ val |= MVNETA_GMAC2_INBAND_AN_ENABLE; -+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); -+ } else { -+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); -+ val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE | -+ MVNETA_GMAC_AN_SPEED_EN | -+ MVNETA_GMAC_AN_DUPLEX_EN); -+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); -+ -+ val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER); -+ val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE; -+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val); -+ -+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); -+ val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE; -+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); -+ } -+} -+ - /* This method sets defaults to the NETA port: - * Clears interrupt Cause and Mask registers. - * Clears all MAC tables. -@@ -1058,39 +1096,7 @@ static void mvneta_defaults_set(struct m - val &= ~MVNETA_PHY_POLLING_ENABLE; - mvreg_write(pp, MVNETA_UNIT_CONTROL, val); - -- if (pp->use_inband_status) { -- val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); -- val &= ~(MVNETA_GMAC_FORCE_LINK_PASS | -- MVNETA_GMAC_FORCE_LINK_DOWN | -- MVNETA_GMAC_AN_FLOW_CTRL_EN); -- val |= MVNETA_GMAC_INBAND_AN_ENABLE | -- MVNETA_GMAC_AN_SPEED_EN | -- MVNETA_GMAC_AN_DUPLEX_EN; -- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); -- -- val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER); -- val |= MVNETA_GMAC_1MS_CLOCK_ENABLE; -- mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val); -- -- val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); -- val |= MVNETA_GMAC2_INBAND_AN_ENABLE; -- mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); -- } else { -- val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); -- val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE | -- MVNETA_GMAC_AN_SPEED_EN | -- MVNETA_GMAC_AN_DUPLEX_EN); -- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); -- -- val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER); -- val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE; -- mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val); -- -- val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); -- val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE; -- mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); -- } -- -+ mvneta_set_autoneg(pp, pp->use_inband_status); - mvneta_set_ucast_table(pp, -1); - mvneta_set_special_mcast_table(pp, -1); - mvneta_set_other_mcast_table(pp, -1); -@@ -2956,10 +2962,43 @@ int mvneta_ethtool_get_settings(struct n - int mvneta_ethtool_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) - { - struct mvneta_port *pp = netdev_priv(dev); -+ struct phy_device *phydev = pp->phy_dev; - -- if (!pp->phy_dev) -+ if (!phydev) - return -ENODEV; - -+ if ((cmd->autoneg == AUTONEG_ENABLE) != pp->use_inband_status) { -+ u32 val; -+ -+ mvneta_set_autoneg(pp, cmd->autoneg == AUTONEG_ENABLE); -+ -+ if (cmd->autoneg == AUTONEG_DISABLE) { -+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); -+ val &= ~(MVNETA_GMAC_CONFIG_MII_SPEED | -+ MVNETA_GMAC_CONFIG_GMII_SPEED | -+ MVNETA_GMAC_CONFIG_FULL_DUPLEX); -+ -+ if (phydev->duplex) -+ val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX; -+ -+ if (phydev->speed == SPEED_1000) -+ val |= MVNETA_GMAC_CONFIG_GMII_SPEED; -+ else if (phydev->speed == SPEED_100) -+ val |= MVNETA_GMAC_CONFIG_MII_SPEED; -+ -+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); -+ } -+ -+ pp->use_inband_status = (cmd->autoneg == AUTONEG_ENABLE); -+ netdev_info(pp->dev, "autoneg status set to %i\n", -+ pp->use_inband_status); -+ -+ if (netif_running(dev)) { -+ mvneta_port_down(pp); -+ mvneta_port_up(pp); -+ } -+ } -+ - return phy_ethtool_sset(pp->phy_dev, cmd); - } - |