diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0280-net-mscc-ocelot-do-not-force-Felix-MACs-at-lower-spe.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0280-net-mscc-ocelot-do-not-force-Felix-MACs-at-lower-spe.patch | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0280-net-mscc-ocelot-do-not-force-Felix-MACs-at-lower-spe.patch b/target/linux/layerscape/patches-5.4/701-net-0280-net-mscc-ocelot-do-not-force-Felix-MACs-at-lower-spe.patch deleted file mode 100644 index a31321fd17..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0280-net-mscc-ocelot-do-not-force-Felix-MACs-at-lower-spe.patch +++ /dev/null @@ -1,154 +0,0 @@ -From 4ba6e00c2f45bf4189ec6a8ef71b45346ae804f2 Mon Sep 17 00:00:00 2001 -From: Vladimir Oltean <vladimir.oltean@nxp.com> -Date: Thu, 28 Nov 2019 15:36:10 +0200 -Subject: [PATCH] net: mscc: ocelot: do not force Felix MACs at lower speeds - than gigabit - -In the LS1028A, the VSC9959 switch was integrated with an NXP PCS which -performs SGMII AN and rate adaptation autonomously. The MAC does not -need to know about this, and forcing the MAC speed to something else, -when connected to a 10/100 link partner, actually breaks the GMII -internal link between the MAC and the PCS. - -Add a quirk system in the ocelot driver, and a first quirk called "PCS -performs rate adaptation", to distinguish the VSC7514 from the VSC9959 -regarding this behavior. - -Signed-off-by: Catalin Horghidan <catalin.horghidan@nxp.com> -Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> ---- - drivers/net/dsa/ocelot/felix.c | 1 + - drivers/net/dsa/ocelot/felix.h | 1 + - drivers/net/dsa/ocelot/felix_vsc9959.c | 1 + - drivers/net/ethernet/mscc/ocelot.c | 32 ++++++++++++++++++-------------- - include/soc/mscc/ocelot.h | 7 +++++++ - 5 files changed, 28 insertions(+), 14 deletions(-) - ---- a/drivers/net/dsa/ocelot/felix.c -+++ b/drivers/net/dsa/ocelot/felix.c -@@ -249,6 +249,7 @@ static int felix_init_structs(struct fel - ocelot->num_stats = felix->info->num_stats; - ocelot->shared_queue_sz = felix->info->shared_queue_sz; - ocelot->ops = felix->info->ops; -+ ocelot->quirks = felix->info->quirks; - - base = pci_resource_start(felix->pdev, felix->info->pci_bar); - ---- a/drivers/net/dsa/ocelot/felix.h -+++ b/drivers/net/dsa/ocelot/felix.h -@@ -18,6 +18,7 @@ struct felix_info { - unsigned int num_stats; - int num_ports; - int pci_bar; -+ unsigned long quirks; - }; - - extern struct felix_info felix_info_vsc9959; ---- a/drivers/net/dsa/ocelot/felix_vsc9959.c -+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c -@@ -584,4 +584,5 @@ struct felix_info felix_info_vsc9959 = { - .shared_queue_sz = 128 * 1024, - .num_ports = 6, - .pci_bar = 4, -+ .quirks = OCELOT_PCS_PERFORMS_RATE_ADAPTATION, - }; ---- a/drivers/net/ethernet/mscc/ocelot.c -+++ b/drivers/net/ethernet/mscc/ocelot.c -@@ -409,27 +409,32 @@ static u16 ocelot_wm_enc(u16 value) - void ocelot_adjust_link(struct ocelot *ocelot, int port, - struct phy_device *phydev) - { -+ int speed, mac_speed, mac_mode = DEV_MAC_MODE_CFG_FDX_ENA; - struct ocelot_port *ocelot_port = ocelot->ports[port]; -- int speed, mode = 0; - -- switch (phydev->speed) { -+ if (ocelot->quirks & OCELOT_PCS_PERFORMS_RATE_ADAPTATION) -+ speed = SPEED_1000; -+ else -+ speed = phydev->speed; -+ -+ switch (speed) { - case SPEED_10: -- speed = OCELOT_SPEED_10; -+ mac_speed = OCELOT_SPEED_10; - break; - case SPEED_100: -- speed = OCELOT_SPEED_100; -+ mac_speed = OCELOT_SPEED_100; - break; - case SPEED_1000: -- speed = OCELOT_SPEED_1000; -- mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA; -+ mac_speed = OCELOT_SPEED_1000; -+ mac_mode |= DEV_MAC_MODE_CFG_GIGA_MODE_ENA; - break; - case SPEED_2500: -- speed = OCELOT_SPEED_2500; -- mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA; -+ mac_speed = OCELOT_SPEED_2500; -+ mac_mode |= DEV_MAC_MODE_CFG_GIGA_MODE_ENA; - break; - default: - dev_err(ocelot->dev, "Unsupported PHY speed on port %d: %d\n", -- port, phydev->speed); -+ port, speed); - return; - } - -@@ -439,8 +444,7 @@ void ocelot_adjust_link(struct ocelot *o - return; - - /* Only full duplex supported for now */ -- ocelot_port_writel(ocelot_port, DEV_MAC_MODE_CFG_FDX_ENA | -- mode, DEV_MAC_MODE_CFG); -+ ocelot_port_writel(ocelot_port, mac_mode, DEV_MAC_MODE_CFG); - - if (ocelot->ops->pcs_init) - ocelot->ops->pcs_init(ocelot, port); -@@ -451,11 +455,11 @@ void ocelot_adjust_link(struct ocelot *o - - /* Take MAC, Port, Phy (intern) and PCS (SGMII/Serdes) clock out of - * reset */ -- ocelot_port_writel(ocelot_port, DEV_CLOCK_CFG_LINK_SPEED(speed), -+ ocelot_port_writel(ocelot_port, DEV_CLOCK_CFG_LINK_SPEED(mac_speed), - DEV_CLOCK_CFG); - - /* No PFC */ -- ocelot_write_gix(ocelot, ANA_PFC_PFC_CFG_FC_LINK_SPEED(speed), -+ ocelot_write_gix(ocelot, ANA_PFC_PFC_CFG_FC_LINK_SPEED(mac_speed), - ANA_PFC_PFC_CFG, port); - - /* Core: Enable port for frame transfer */ -@@ -469,7 +473,7 @@ void ocelot_adjust_link(struct ocelot *o - SYS_MAC_FC_CFG_RX_FC_ENA | SYS_MAC_FC_CFG_TX_FC_ENA | - SYS_MAC_FC_CFG_ZERO_PAUSE_ENA | - SYS_MAC_FC_CFG_FC_LATENCY_CFG(0x7) | -- SYS_MAC_FC_CFG_FC_LINK_SPEED(speed), -+ SYS_MAC_FC_CFG_FC_LINK_SPEED(mac_speed), - SYS_MAC_FC_CFG, port); - ocelot_write_rix(ocelot, 0, ANA_POL_FLOWC, port); - } ---- a/include/soc/mscc/ocelot.h -+++ b/include/soc/mscc/ocelot.h -@@ -404,6 +404,11 @@ enum ocelot_tag_prefix { - OCELOT_TAG_PREFIX_LONG, - }; - -+/* Hardware quirks (differences between switch instantiations) */ -+enum { -+ OCELOT_PCS_PERFORMS_RATE_ADAPTATION = BIT(0), -+}; -+ - struct ocelot; - - struct ocelot_ops { -@@ -464,6 +469,8 @@ struct ocelot { - struct delayed_work stats_work; - struct workqueue_struct *stats_queue; - -+ unsigned long quirks; -+ - u8 ptp:1; - struct ptp_clock *ptp_clock; - struct ptp_clock_info ptp_info; |