diff options
Diffstat (limited to 'target/linux/generic')
21 files changed, 875 insertions, 223 deletions
diff --git a/target/linux/generic/backport-5.15/733-v6.2-02-net-mtk_eth_soc-add-definitions-for-PCS.patch b/target/linux/generic/backport-5.15/733-v6.2-02-net-mtk_eth_soc-add-definitions-for-PCS.patch new file mode 100644 index 0000000000..68f3659367 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-02-net-mtk_eth_soc-add-definitions-for-PCS.patch @@ -0,0 +1,55 @@ +From b6a709cb51f7bdc55c01cec886098a9753ce8c28 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:10:42 +0100 +Subject: [PATCH 01/10] net: mtk_eth_soc: add definitions for PCS + +As a result of help from Frank Wunderlich to investigate and test, we +know a bit more about the PCS on the Mediatek platforms. Update the +definitions from this investigation. + +This PCS appears similar, but not identical to the Lynx PCS. + +Although not included in this patch, but for future reference, the PHY +ID registers at offset 4 read as 0x4d544950 'MTIP'. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 13 ++++++++++--- + 1 file changed, 10 insertions(+), 3 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -501,8 +501,10 @@ + #define ETHSYS_DMA_AG_MAP_PPE BIT(2) + + /* SGMII subsystem config registers */ +-/* Register to auto-negotiation restart */ ++/* BMCR (low 16) BMSR (high 16) */ + #define SGMSYS_PCS_CONTROL_1 0x0 ++#define SGMII_BMCR GENMASK(15, 0) ++#define SGMII_BMSR GENMASK(31, 16) + #define SGMII_AN_RESTART BIT(9) + #define SGMII_ISOLATE BIT(10) + #define SGMII_AN_ENABLE BIT(12) +@@ -512,13 +514,18 @@ + #define SGMII_PCS_FAULT BIT(23) + #define SGMII_AN_EXPANSION_CLR BIT(30) + ++#define SGMSYS_PCS_ADVERTISE 0x8 ++#define SGMII_ADVERTISE GENMASK(15, 0) ++#define SGMII_LPA GENMASK(31, 16) ++ + /* Register to programmable link timer, the unit in 2 * 8ns */ + #define SGMSYS_PCS_LINK_TIMER 0x18 +-#define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0)) ++#define SGMII_LINK_TIMER_MASK GENMASK(19, 0) ++#define SGMII_LINK_TIMER_DEFAULT (0x186a0 & SGMII_LINK_TIMER_MASK) + + /* Register to control remote fault */ + #define SGMSYS_SGMII_MODE 0x20 +-#define SGMII_IF_MODE_BIT0 BIT(0) ++#define SGMII_IF_MODE_SGMII BIT(0) + #define SGMII_SPEED_DUPLEX_AN BIT(1) + #define SGMII_SPEED_MASK GENMASK(3, 2) + #define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0) diff --git a/target/linux/generic/backport-5.15/733-v6.2-03-net-mtk_eth_soc-eliminate-unnecessary-error-handling.patch b/target/linux/generic/backport-5.15/733-v6.2-03-net-mtk_eth_soc-eliminate-unnecessary-error-handling.patch new file mode 100644 index 0000000000..4ea428c9d6 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-03-net-mtk_eth_soc-eliminate-unnecessary-error-handling.patch @@ -0,0 +1,74 @@ +From 5cf7797526ee81bea0f627bccaa3d887f48f53e0 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:10:47 +0100 +Subject: [PATCH 02/10] net: mtk_eth_soc: eliminate unnecessary error handling + +The functions called by the pcs_config() method always return zero, so +there is no point trying to handle an error from these functions. Make +these functions void, eliminate the "err" variable and simply return +zero from the pcs_config() function itself. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 18 ++++++------------ + 1 file changed, 6 insertions(+), 12 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -20,7 +20,7 @@ static struct mtk_pcs *pcs_to_mtk_pcs(st + } + + /* For SGMII interface mode */ +-static int mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) ++static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) + { + unsigned int val; + +@@ -39,16 +39,13 @@ static int mtk_pcs_setup_mode_an(struct + regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); + val &= ~SGMII_PHYA_PWD; + regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); +- +- return 0; +- + } + + /* For 1000BASE-X and 2500BASE-X interface modes, which operate at a + * fixed speed. + */ +-static int mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs, +- phy_interface_t interface) ++static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs, ++ phy_interface_t interface) + { + unsigned int val; + +@@ -73,8 +70,6 @@ static int mtk_pcs_setup_mode_force(stru + regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); + val &= ~SGMII_PHYA_PWD; + regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); +- +- return 0; + } + + static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, +@@ -83,15 +78,14 @@ static int mtk_pcs_config(struct phylink + bool permit_pause_to_mac) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); +- int err = 0; + + /* Setup SGMIISYS with the determined property */ + if (interface != PHY_INTERFACE_MODE_SGMII) +- err = mtk_pcs_setup_mode_force(mpcs, interface); ++ mtk_pcs_setup_mode_force(mpcs, interface); + else if (phylink_autoneg_inband(mode)) +- err = mtk_pcs_setup_mode_an(mpcs); ++ mtk_pcs_setup_mode_an(mpcs); + +- return err; ++ return 0; + } + + static void mtk_pcs_restart_an(struct phylink_pcs *pcs) diff --git a/target/linux/generic/backport-5.15/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch b/target/linux/generic/backport-5.15/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch new file mode 100644 index 0000000000..64a4a72fa6 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch @@ -0,0 +1,46 @@ +From c000dca098002da193b98099df051c9ead0cacb4 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:10:52 +0100 +Subject: [PATCH 03/10] net: mtk_eth_soc: add pcs_get_state() implementation + +Add a pcs_get_state() implementation which uses the advertisements +to compute the resulting link modes, and BMSR contents to determine +negotiation and link status. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -19,6 +19,20 @@ static struct mtk_pcs *pcs_to_mtk_pcs(st + return container_of(pcs, struct mtk_pcs, pcs); + } + ++static void mtk_pcs_get_state(struct phylink_pcs *pcs, ++ struct phylink_link_state *state) ++{ ++ struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); ++ unsigned int bm, adv; ++ ++ /* Read the BMSR and LPA */ ++ regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); ++ regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); ++ ++ phylink_mii_c22_pcs_decode_state(state, FIELD_GET(SGMII_BMSR, bm), ++ FIELD_GET(SGMII_LPA, adv)); ++} ++ + /* For SGMII interface mode */ + static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) + { +@@ -117,6 +131,7 @@ static void mtk_pcs_link_up(struct phyli + } + + static const struct phylink_pcs_ops mtk_pcs_ops = { ++ .pcs_get_state = mtk_pcs_get_state, + .pcs_config = mtk_pcs_config, + .pcs_an_restart = mtk_pcs_restart_an, + .pcs_link_up = mtk_pcs_link_up, diff --git a/target/linux/generic/backport-5.15/733-v6.2-05-net-mtk_eth_soc-convert-mtk_sgmii-to-use-regmap_upda.patch b/target/linux/generic/backport-5.15/733-v6.2-05-net-mtk_eth_soc-convert-mtk_sgmii-to-use-regmap_upda.patch new file mode 100644 index 0000000000..24610fe11e --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-05-net-mtk_eth_soc-convert-mtk_sgmii-to-use-regmap_upda.patch @@ -0,0 +1,130 @@ +From 0d2351dc2768061689abd4de1529fa206bbd574e Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:10:58 +0100 +Subject: [PATCH 04/10] net: mtk_eth_soc: convert mtk_sgmii to use + regmap_update_bits() + +mtk_sgmii does a lot of read-modify-write operations, for which there +is a specific regmap function. Use this function instead of open-coding +the operations. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 61 ++++++++++------------- + 1 file changed, 26 insertions(+), 35 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -36,23 +36,18 @@ static void mtk_pcs_get_state(struct phy + /* For SGMII interface mode */ + static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) + { +- unsigned int val; +- + /* Setup the link timer and QPHY power up inside SGMIISYS */ + regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, + SGMII_LINK_TIMER_DEFAULT); + +- regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); +- val |= SGMII_REMOTE_FAULT_DIS; +- regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); +- +- regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val); +- val |= SGMII_AN_RESTART; +- regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); +- +- regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); +- val &= ~SGMII_PHYA_PWD; +- regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, ++ SGMII_REMOTE_FAULT_DIS, SGMII_REMOTE_FAULT_DIS); ++ ++ regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, ++ SGMII_AN_RESTART, SGMII_AN_RESTART); ++ ++ regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, ++ SGMII_PHYA_PWD, 0); + } + + /* For 1000BASE-X and 2500BASE-X interface modes, which operate at a +@@ -61,29 +56,26 @@ static void mtk_pcs_setup_mode_an(struct + static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs, + phy_interface_t interface) + { +- unsigned int val; ++ unsigned int rgc3; + +- regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val); +- val &= ~RG_PHY_SPEED_MASK; + if (interface == PHY_INTERFACE_MODE_2500BASEX) +- val |= RG_PHY_SPEED_3_125G; +- regmap_write(mpcs->regmap, mpcs->ana_rgc3, val); ++ rgc3 = RG_PHY_SPEED_3_125G; ++ ++ regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, ++ RG_PHY_SPEED_3_125G, rgc3); + + /* Disable SGMII AN */ +- regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val); +- val &= ~SGMII_AN_ENABLE; +- regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, ++ SGMII_AN_ENABLE, 0); + + /* Set the speed etc but leave the duplex unchanged */ +- regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); +- val &= SGMII_DUPLEX_FULL | ~SGMII_IF_MODE_MASK; +- val |= SGMII_SPEED_1000; +- regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, ++ SGMII_IF_MODE_MASK & ~SGMII_DUPLEX_FULL, ++ SGMII_SPEED_1000); + + /* Release PHYA power down state */ +- regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); +- val &= ~SGMII_PHYA_PWD; +- regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, ++ SGMII_PHYA_PWD, 0); + } + + static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, +@@ -105,29 +97,28 @@ static int mtk_pcs_config(struct phylink + static void mtk_pcs_restart_an(struct phylink_pcs *pcs) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); +- unsigned int val; + +- regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val); +- val |= SGMII_AN_RESTART; +- regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, ++ SGMII_AN_RESTART, SGMII_AN_RESTART); + } + + static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, int speed, int duplex) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); +- unsigned int val; ++ unsigned int sgm_mode; + + if (!phy_interface_mode_is_8023z(interface)) + return; + + /* SGMII force duplex setting */ +- regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); +- val &= ~SGMII_DUPLEX_FULL; + if (duplex == DUPLEX_FULL) +- val |= SGMII_DUPLEX_FULL; ++ sgm_mode = SGMII_DUPLEX_FULL; ++ else ++ sgm_mode = 0; + +- regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); ++ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, ++ SGMII_DUPLEX_FULL, sgm_mode); + } + + static const struct phylink_pcs_ops mtk_pcs_ops = { diff --git a/target/linux/generic/backport-5.15/733-v6.2-06-net-mtk_eth_soc-add-out-of-band-forcing-of-speed-and.patch b/target/linux/generic/backport-5.15/733-v6.2-06-net-mtk_eth_soc-add-out-of-band-forcing-of-speed-and.patch new file mode 100644 index 0000000000..ba76ca40ff --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-06-net-mtk_eth_soc-add-out-of-band-forcing-of-speed-and.patch @@ -0,0 +1,52 @@ +From 12198c3a410fe69843e335c1bbf6d4c2a4d48e4e Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:03 +0100 +Subject: [PATCH 05/10] net: mtk_eth_soc: add out of band forcing of speed and + duplex in pcs_link_up + +Add support for forcing the link speed and duplex setting in the +pcs_link_up() method for out of band modes, which will be useful when +we finish converting the pcs_config() method. Until then, we still have +to force duplex for 802.3z modes to work correctly. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 28 ++++++++++++++--------- + 1 file changed, 17 insertions(+), 11 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -108,17 +108,23 @@ static void mtk_pcs_link_up(struct phyli + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); + unsigned int sgm_mode; + +- if (!phy_interface_mode_is_8023z(interface)) +- return; ++ if (!phylink_autoneg_inband(mode) || ++ phy_interface_mode_is_8023z(interface)) { ++ /* Force the speed and duplex setting */ ++ if (speed == SPEED_10) ++ sgm_mode = SGMII_SPEED_10; ++ else if (speed == SPEED_100) ++ sgm_mode = SGMII_SPEED_100; ++ else ++ sgm_mode = SGMII_SPEED_1000; + +- /* SGMII force duplex setting */ +- if (duplex == DUPLEX_FULL) +- sgm_mode = SGMII_DUPLEX_FULL; +- else +- sgm_mode = 0; ++ if (duplex == DUPLEX_FULL) ++ sgm_mode |= SGMII_DUPLEX_FULL; + +- regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, +- SGMII_DUPLEX_FULL, sgm_mode); ++ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, ++ SGMII_DUPLEX_FULL | SGMII_SPEED_MASK, ++ sgm_mode); ++ } + } + + static const struct phylink_pcs_ops mtk_pcs_ops = { diff --git a/target/linux/generic/backport-5.15/733-v6.2-07-net-mtk_eth_soc-move-PHY-power-up.patch b/target/linux/generic/backport-5.15/733-v6.2-07-net-mtk_eth_soc-move-PHY-power-up.patch new file mode 100644 index 0000000000..b76e159275 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-07-net-mtk_eth_soc-move-PHY-power-up.patch @@ -0,0 +1,48 @@ +From 6f38fffe2179dd29612aea2c67c46ed6682b4e46 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:08 +0100 +Subject: [PATCH 06/10] net: mtk_eth_soc: move PHY power up + +The PHY power up is common to both configuration paths, so move it into +the parent function. We need to do this for all serdes modes. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 11 ++++------- + 1 file changed, 4 insertions(+), 7 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -45,9 +45,6 @@ static void mtk_pcs_setup_mode_an(struct + + regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, + SGMII_AN_RESTART, SGMII_AN_RESTART); +- +- regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, +- SGMII_PHYA_PWD, 0); + } + + /* For 1000BASE-X and 2500BASE-X interface modes, which operate at a +@@ -72,10 +69,6 @@ static void mtk_pcs_setup_mode_force(str + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_IF_MODE_MASK & ~SGMII_DUPLEX_FULL, + SGMII_SPEED_1000); +- +- /* Release PHYA power down state */ +- regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, +- SGMII_PHYA_PWD, 0); + } + + static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, +@@ -91,6 +84,10 @@ static int mtk_pcs_config(struct phylink + else if (phylink_autoneg_inband(mode)) + mtk_pcs_setup_mode_an(mpcs); + ++ /* Release PHYA power down state */ ++ regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, ++ SGMII_PHYA_PWD, 0); ++ + return 0; + } + diff --git a/target/linux/generic/backport-5.15/733-v6.2-08-net-mtk_eth_soc-move-interface-speed-selection.patch b/target/linux/generic/backport-5.15/733-v6.2-08-net-mtk_eth_soc-move-interface-speed-selection.patch new file mode 100644 index 0000000000..cd9f0699b3 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-08-net-mtk_eth_soc-move-interface-speed-selection.patch @@ -0,0 +1,48 @@ +From f752c0df13dfeb721c11d3debb79f08cf437344f Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:13 +0100 +Subject: [PATCH 07/10] net: mtk_eth_soc: move interface speed selection + +Move the selection of the underlying interface speed to the pcs_config +function, so we always program the interface speed. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 18 ++++++++++-------- + 1 file changed, 10 insertions(+), 8 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -53,14 +53,6 @@ static void mtk_pcs_setup_mode_an(struct + static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs, + phy_interface_t interface) + { +- unsigned int rgc3; +- +- if (interface == PHY_INTERFACE_MODE_2500BASEX) +- rgc3 = RG_PHY_SPEED_3_125G; +- +- regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, +- RG_PHY_SPEED_3_125G, rgc3); +- + /* Disable SGMII AN */ + regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, + SGMII_AN_ENABLE, 0); +@@ -77,6 +69,16 @@ static int mtk_pcs_config(struct phylink + bool permit_pause_to_mac) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); ++ unsigned int rgc3; ++ ++ if (interface == PHY_INTERFACE_MODE_2500BASEX) ++ rgc3 = RG_PHY_SPEED_3_125G; ++ else ++ rgc3 = 0; ++ ++ /* Configure the underlying interface speed */ ++ regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, ++ RG_PHY_SPEED_3_125G, rgc3); + + /* Setup SGMIISYS with the determined property */ + if (interface != PHY_INTERFACE_MODE_SGMII) diff --git a/target/linux/generic/backport-5.15/733-v6.2-09-net-mtk_eth_soc-add-advertisement-programming.patch b/target/linux/generic/backport-5.15/733-v6.2-09-net-mtk_eth_soc-add-advertisement-programming.patch new file mode 100644 index 0000000000..f08358e963 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-09-net-mtk_eth_soc-add-advertisement-programming.patch @@ -0,0 +1,52 @@ +From c125c66ea71b9377ae2478c4f1b87b180cc5c6ef Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:18 +0100 +Subject: [PATCH 08/10] net: mtk_eth_soc: add advertisement programming + +Program the advertisement into the mtk PCS block. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 13 ++++++++++++- + 1 file changed, 12 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -70,16 +70,27 @@ static int mtk_pcs_config(struct phylink + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); + unsigned int rgc3; ++ int advertise; ++ bool changed; + + if (interface == PHY_INTERFACE_MODE_2500BASEX) + rgc3 = RG_PHY_SPEED_3_125G; + else + rgc3 = 0; + ++ advertise = phylink_mii_c22_pcs_encode_advertisement(interface, ++ advertising); ++ if (advertise < 0) ++ return advertise; ++ + /* Configure the underlying interface speed */ + regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, + RG_PHY_SPEED_3_125G, rgc3); + ++ /* Update the advertisement, noting whether it has changed */ ++ regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, ++ SGMII_ADVERTISE, advertise, &changed); ++ + /* Setup SGMIISYS with the determined property */ + if (interface != PHY_INTERFACE_MODE_SGMII) + mtk_pcs_setup_mode_force(mpcs, interface); +@@ -90,7 +101,7 @@ static int mtk_pcs_config(struct phylink + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, + SGMII_PHYA_PWD, 0); + +- return 0; ++ return changed; + } + + static void mtk_pcs_restart_an(struct phylink_pcs *pcs) diff --git a/target/linux/generic/backport-5.15/733-v6.2-10-net-mtk_eth_soc-move-and-correct-link-timer-programm.patch b/target/linux/generic/backport-5.15/733-v6.2-10-net-mtk_eth_soc-move-and-correct-link-timer-programm.patch new file mode 100644 index 0000000000..602d52c6f4 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-10-net-mtk_eth_soc-move-and-correct-link-timer-programm.patch @@ -0,0 +1,63 @@ +From 3027d89f87707e7f3e5b683e0d37a32afb5bde96 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:23 +0100 +Subject: [PATCH 09/10] net: mtk_eth_soc: move and correct link timer + programming + +Program the link timer appropriately for the interface mode being +used, using the newly introduced phylink helper that provides the +nanosecond link timer interval. + +The intervals are 1.6ms for SGMII based protocols and 10ms for +802.3z based protocols. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 13 ++++++++----- + 1 file changed, 8 insertions(+), 5 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -36,10 +36,6 @@ static void mtk_pcs_get_state(struct phy + /* For SGMII interface mode */ + static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) + { +- /* Setup the link timer and QPHY power up inside SGMIISYS */ +- regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, +- SGMII_LINK_TIMER_DEFAULT); +- + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_REMOTE_FAULT_DIS, SGMII_REMOTE_FAULT_DIS); + +@@ -69,8 +65,8 @@ static int mtk_pcs_config(struct phylink + bool permit_pause_to_mac) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); ++ int advertise, link_timer; + unsigned int rgc3; +- int advertise; + bool changed; + + if (interface == PHY_INTERFACE_MODE_2500BASEX) +@@ -83,6 +79,10 @@ static int mtk_pcs_config(struct phylink + if (advertise < 0) + return advertise; + ++ link_timer = phylink_get_link_timer_ns(interface); ++ if (link_timer < 0) ++ return link_timer; ++ + /* Configure the underlying interface speed */ + regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, + RG_PHY_SPEED_3_125G, rgc3); +@@ -91,6 +91,9 @@ static int mtk_pcs_config(struct phylink + regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, + SGMII_ADVERTISE, advertise, &changed); + ++ /* Setup the link timer and QPHY power up inside SGMIISYS */ ++ regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); ++ + /* Setup SGMIISYS with the determined property */ + if (interface != PHY_INTERFACE_MODE_SGMII) + mtk_pcs_setup_mode_force(mpcs, interface); diff --git a/target/linux/generic/backport-5.15/733-v6.2-11-net-mtk_eth_soc-add-support-for-in-band-802.3z-negot.patch b/target/linux/generic/backport-5.15/733-v6.2-11-net-mtk_eth_soc-add-support-for-in-band-802.3z-negot.patch new file mode 100644 index 0000000000..0e9a0535a7 --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.2-11-net-mtk_eth_soc-add-support-for-in-band-802.3z-negot.patch @@ -0,0 +1,132 @@ +From 81b0f12a2a8a1699a7d49c3995e5f71e4ec018e6 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:11:28 +0100 +Subject: [PATCH 10/10] net: mtk_eth_soc: add support for in-band 802.3z + negotiation + +As a result of help from Frank Wunderlich to investigate and test, we +now know how to program this PCS for in-band 802.3z negotiation. Add +support for this by moving the contents of the two functions into the +common mtk_pcs_config() function and adding the register settings for +802.3z negotiation. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 77 ++++++++++++----------- + 1 file changed, 42 insertions(+), 35 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -33,41 +33,15 @@ static void mtk_pcs_get_state(struct phy + FIELD_GET(SGMII_LPA, adv)); + } + +-/* For SGMII interface mode */ +-static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) +-{ +- regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, +- SGMII_REMOTE_FAULT_DIS, SGMII_REMOTE_FAULT_DIS); +- +- regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, +- SGMII_AN_RESTART, SGMII_AN_RESTART); +-} +- +-/* For 1000BASE-X and 2500BASE-X interface modes, which operate at a +- * fixed speed. +- */ +-static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs, +- phy_interface_t interface) +-{ +- /* Disable SGMII AN */ +- regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, +- SGMII_AN_ENABLE, 0); +- +- /* Set the speed etc but leave the duplex unchanged */ +- regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, +- SGMII_IF_MODE_MASK & ~SGMII_DUPLEX_FULL, +- SGMII_SPEED_1000); +-} +- + static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, + const unsigned long *advertising, + bool permit_pause_to_mac) + { + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); ++ unsigned int rgc3, sgm_mode, bmcr; + int advertise, link_timer; +- unsigned int rgc3; +- bool changed; ++ bool changed, use_an; + + if (interface == PHY_INTERFACE_MODE_2500BASEX) + rgc3 = RG_PHY_SPEED_3_125G; +@@ -83,6 +57,37 @@ static int mtk_pcs_config(struct phylink + if (link_timer < 0) + return link_timer; + ++ /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and ++ * we assume that fixes it's speed at bitrate = line rate (in ++ * other words, 1000Mbps or 2500Mbps). ++ */ ++ if (interface == PHY_INTERFACE_MODE_SGMII) { ++ sgm_mode = SGMII_IF_MODE_SGMII; ++ if (phylink_autoneg_inband(mode)) { ++ sgm_mode |= SGMII_REMOTE_FAULT_DIS | ++ SGMII_SPEED_DUPLEX_AN; ++ use_an = true; ++ } else { ++ use_an = false; ++ } ++ } else if (phylink_autoneg_inband(mode)) { ++ /* 1000base-X or 2500base-X autoneg */ ++ sgm_mode = SGMII_REMOTE_FAULT_DIS; ++ use_an = linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, ++ advertising); ++ } else { ++ /* 1000base-X or 2500base-X without autoneg */ ++ sgm_mode = 0; ++ use_an = false; ++ } ++ ++ if (use_an) { ++ /* FIXME: Do we need to set AN_RESTART here? */ ++ bmcr = SGMII_AN_RESTART | SGMII_AN_ENABLE; ++ } else { ++ bmcr = 0; ++ } ++ + /* Configure the underlying interface speed */ + regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, + RG_PHY_SPEED_3_125G, rgc3); +@@ -94,11 +99,14 @@ static int mtk_pcs_config(struct phylink + /* Setup the link timer and QPHY power up inside SGMIISYS */ + regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); + +- /* Setup SGMIISYS with the determined property */ +- if (interface != PHY_INTERFACE_MODE_SGMII) +- mtk_pcs_setup_mode_force(mpcs, interface); +- else if (phylink_autoneg_inband(mode)) +- mtk_pcs_setup_mode_an(mpcs); ++ /* Update the sgmsys mode register */ ++ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, ++ SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | ++ SGMII_IF_MODE_SGMII, sgm_mode); ++ ++ /* Update the BMCR */ ++ regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, ++ SGMII_AN_RESTART | SGMII_AN_ENABLE, bmcr); + + /* Release PHYA power down state */ + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, +@@ -121,8 +129,7 @@ static void mtk_pcs_link_up(struct phyli + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); + unsigned int sgm_mode; + +- if (!phylink_autoneg_inband(mode) || +- phy_interface_mode_is_8023z(interface)) { ++ if (!phylink_autoneg_inband(mode)) { + /* Force the speed and duplex setting */ + if (speed == SPEED_10) + sgm_mode = SGMII_SPEED_10; diff --git a/target/linux/generic/backport-5.15/733-v6.2-02-net-mediatek-sgmii-ensure-the-SGMII-PHY-is-powered-d.patch b/target/linux/generic/backport-5.15/733-v6.2-12-net-mediatek-sgmii-ensure-the-SGMII-PHY-is-powered-d.patch index 62830ebf10..8d2991f450 100644 --- a/target/linux/generic/backport-5.15/733-v6.2-02-net-mediatek-sgmii-ensure-the-SGMII-PHY-is-powered-d.patch +++ b/target/linux/generic/backport-5.15/733-v6.2-12-net-mediatek-sgmii-ensure-the-SGMII-PHY-is-powered-d.patch @@ -1,8 +1,8 @@ From 7ff82416de8295c61423ef6fd75f052d3837d2f7 Mon Sep 17 00:00:00 2001 From: Alexander Couzens <lynxis@fe80.eu> Date: Wed, 1 Feb 2023 19:23:29 +0100 -Subject: [PATCH] net: mediatek: sgmii: ensure the SGMII PHY is powered down on - configuration +Subject: [PATCH 11/13] net: mediatek: sgmii: ensure the SGMII PHY is powered + down on configuration MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -34,7 +34,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -1063,11 +1063,13 @@ struct mtk_soc_data { +@@ -1070,11 +1070,13 @@ struct mtk_soc_data { * @regmap: The register map pointing at the range used to setup * SGMII modes * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap @@ -50,57 +50,51 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -24,6 +24,10 @@ static int mtk_pcs_setup_mode_an(struct - { - unsigned int val; +@@ -43,11 +43,6 @@ static int mtk_pcs_config(struct phylink + int advertise, link_timer; + bool changed, use_an; -+ regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val); -+ val &= ~RG_PHY_SPEED_MASK; -+ regmap_write(mpcs->regmap, mpcs->ana_rgc3, val); -+ - /* Setup the link timer and QPHY power up inside SGMIISYS */ - regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, - SGMII_LINK_TIMER_DEFAULT); -@@ -36,9 +40,6 @@ static int mtk_pcs_setup_mode_an(struct - val |= SGMII_AN_RESTART; - regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); - -- regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); -- val &= ~SGMII_PHYA_PWD; -- regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); - - return 0; - -@@ -69,11 +70,6 @@ static int mtk_pcs_setup_mode_force(stru - val |= SGMII_SPEED_1000; - regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); - -- /* Release PHYA power down state */ -- regmap_read(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, &val); -- val &= ~SGMII_PHYA_PWD; -- regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, val); +- if (interface == PHY_INTERFACE_MODE_2500BASEX) +- rgc3 = RG_PHY_SPEED_3_125G; +- else +- rgc3 = 0; - - return 0; - } - -@@ -85,12 +81,32 @@ static int mtk_pcs_config(struct phylink - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - int err = 0; + advertise = phylink_mii_c22_pcs_encode_advertisement(interface, + advertising); + if (advertise < 0) +@@ -88,9 +83,22 @@ static int mtk_pcs_config(struct phylink + bmcr = 0; + } +- /* Configure the underlying interface speed */ +- regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, +- RG_PHY_SPEED_3_125G, rgc3); + if (mpcs->interface != interface) { + /* PHYA power down */ + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, + SGMII_PHYA_PWD, SGMII_PHYA_PWD); + ++ if (interface == PHY_INTERFACE_MODE_2500BASEX) ++ rgc3 = RG_PHY_SPEED_3_125G; ++ else ++ rgc3 = 0; ++ ++ /* Configure the underlying interface speed */ ++ regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, ++ RG_PHY_SPEED_3_125G, rgc3); ++ + mpcs->interface = interface; + } -+ - /* Setup SGMIISYS with the determined property */ - if (interface != PHY_INTERFACE_MODE_SGMII) - err = mtk_pcs_setup_mode_force(mpcs, interface); - else if (phylink_autoneg_inband(mode)) - err = mtk_pcs_setup_mode_an(mpcs); + /* Update the advertisement, noting whether it has changed */ + regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, +@@ -108,9 +116,17 @@ static int mtk_pcs_config(struct phylink + regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, + SGMII_AN_RESTART | SGMII_AN_ENABLE, bmcr); + +- /* Release PHYA power down state */ +- regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, +- SGMII_PHYA_PWD, 0); + /* Release PHYA power down state + * Only removing bit SGMII_PHYA_PWD isn't enough. + * There are cases when the SGMII_PHYA_PWD register contains 0x9 which @@ -112,11 +106,10 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> + */ + usleep_range(50, 100); + regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); -+ - return err; - } -@@ -145,6 +161,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, + return changed; + } +@@ -171,6 +187,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, return PTR_ERR(ss->pcs[i].regmap); ss->pcs[i].pcs.ops = &mtk_pcs_ops; diff --git a/target/linux/generic/backport-5.15/733-v6.2-03-net-mediatek-sgmii-fix-duplex-configuration.patch b/target/linux/generic/backport-5.15/733-v6.2-13-net-mediatek-sgmii-fix-duplex-configuration.patch index eb6837f47a..79e5ad147c 100644 --- a/target/linux/generic/backport-5.15/733-v6.2-03-net-mediatek-sgmii-fix-duplex-configuration.patch +++ b/target/linux/generic/backport-5.15/733-v6.2-13-net-mediatek-sgmii-fix-duplex-configuration.patch @@ -1,7 +1,7 @@ From 9d32637122de88f1ef614c29703f0e050cad342e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@mork.no> Date: Wed, 1 Feb 2023 19:23:30 +0100 -Subject: [PATCH] net: mediatek: sgmii: fix duplex configuration +Subject: [PATCH 12/13] net: mediatek: sgmii: fix duplex configuration MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -24,7 +24,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -524,7 +524,7 @@ +@@ -531,7 +531,7 @@ #define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0) #define SGMII_SPEED_100 FIELD_PREP(SGMII_SPEED_MASK, 1) #define SGMII_SPEED_1000 FIELD_PREP(SGMII_SPEED_MASK, 2) @@ -35,26 +35,18 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> #define SGMII_CODE_SYNC_SET_VAL BIT(9) --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -66,7 +66,7 @@ static int mtk_pcs_setup_mode_force(stru +@@ -154,11 +154,11 @@ static void mtk_pcs_link_up(struct phyli + else + sgm_mode = SGMII_SPEED_1000; - /* Set the speed etc but leave the duplex unchanged */ - regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); -- val &= SGMII_DUPLEX_FULL | ~SGMII_IF_MODE_MASK; -+ val &= SGMII_DUPLEX_HALF | ~SGMII_IF_MODE_MASK; - val |= SGMII_SPEED_1000; - regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); +- if (duplex == DUPLEX_FULL) +- sgm_mode |= SGMII_DUPLEX_FULL; ++ if (duplex != DUPLEX_FULL) ++ sgm_mode |= SGMII_DUPLEX_HALF; -@@ -131,9 +131,10 @@ static void mtk_pcs_link_up(struct phyli - - /* SGMII force duplex setting */ - regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); -- val &= ~SGMII_DUPLEX_FULL; -- if (duplex == DUPLEX_FULL) -- val |= SGMII_DUPLEX_FULL; -+ -+ val &= ~SGMII_DUPLEX_HALF; -+ if (duplex != DUPLEX_FULL) -+ val |= SGMII_DUPLEX_HALF; - - regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, +- SGMII_DUPLEX_FULL | SGMII_SPEED_MASK, ++ SGMII_DUPLEX_HALF | SGMII_SPEED_MASK, + sgm_mode); + } } diff --git a/target/linux/generic/backport-5.15/733-v6.2-04-mtk_sgmii-enable-PCS-polling-to-allow-SFP-work.patch b/target/linux/generic/backport-5.15/733-v6.2-14-mtk_sgmii-enable-PCS-polling-to-allow-SFP-work.patch index ace8aa075b..56d7a1348f 100644 --- a/target/linux/generic/backport-5.15/733-v6.2-04-mtk_sgmii-enable-PCS-polling-to-allow-SFP-work.patch +++ b/target/linux/generic/backport-5.15/733-v6.2-14-mtk_sgmii-enable-PCS-polling-to-allow-SFP-work.patch @@ -1,7 +1,7 @@ From 3337a6e04ddf2923a1bdcf3d31b3b52412bf82dd Mon Sep 17 00:00:00 2001 From: Alexander Couzens <lynxis@fe80.eu> Date: Wed, 1 Feb 2023 19:23:31 +0100 -Subject: [PATCH] mtk_sgmii: enable PCS polling to allow SFP work +Subject: [PATCH 13/13] mtk_sgmii: enable PCS polling to allow SFP work MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -23,7 +23,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -162,6 +162,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, +@@ -187,6 +187,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, return PTR_ERR(ss->pcs[i].regmap); ss->pcs[i].pcs.ops = &mtk_pcs_ops; diff --git a/target/linux/generic/pending-5.15/733-01-net-ethernet-mtk_eth_soc-reset-PCS-state.patch b/target/linux/generic/backport-5.15/733-v6.3-15-net-ethernet-mtk_eth_soc-reset-PCS-state.patch index 4d52d7be39..a63b110914 100644 --- a/target/linux/generic/pending-5.15/733-01-net-ethernet-mtk_eth_soc-reset-PCS-state.patch +++ b/target/linux/generic/backport-5.15/733-v6.3-15-net-ethernet-mtk_eth_soc-reset-PCS-state.patch @@ -1,16 +1,20 @@ -From b66105968b8c37c26a75b9da9281cbc1c8f73594 Mon Sep 17 00:00:00 2001 +From 611e2dabb4b3243d176739fd6a5a34d007fa3f86 Mon Sep 17 00:00:00 2001 From: Daniel Golle <daniel@makrotopia.org> -Date: Sun, 22 Jan 2023 23:58:36 +0000 -Subject: [PATCH] net: ethernet: mtk_eth_soc: reset PCS state +Date: Tue, 14 Mar 2023 00:34:26 +0000 +Subject: [PATCH 1/2] net: ethernet: mtk_eth_soc: reset PCS state MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit -Reset PCS state when changing interface mode. +Reset the internal PCS state machine when changing interface mode. +This prevents confusing the state machine when changing interface +modes, e.g. from SGMII to 2500Base-X or vice-versa. +Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII") Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Tested-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++++ drivers/net/ethernet/mediatek/mtk_sgmii.c | 4 ++++ @@ -18,7 +22,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -530,6 +530,10 @@ +@@ -539,6 +539,10 @@ #define SGMII_SEND_AN_ERROR_EN BIT(11) #define SGMII_IF_MODE_MASK GENMASK(5, 1) @@ -31,7 +35,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -90,6 +90,10 @@ static int mtk_pcs_config(struct phylink +@@ -88,6 +88,10 @@ static int mtk_pcs_config(struct phylink regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, SGMII_PHYA_PWD); @@ -39,6 +43,6 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> + regmap_update_bits(mpcs->regmap, SGMII_RESERVED_0, + SGMII_SW_RESET, SGMII_SW_RESET); + - mpcs->interface = interface; - } - + if (interface == PHY_INTERFACE_MODE_2500BASEX) + rgc3 = RG_PHY_SPEED_3_125G; + else diff --git a/target/linux/generic/backport-5.15/733-v6.3-16-net-ethernet-mtk_eth_soc-only-write-values-if-needed.patch b/target/linux/generic/backport-5.15/733-v6.3-16-net-ethernet-mtk_eth_soc-only-write-values-if-needed.patch new file mode 100644 index 0000000000..0fabeea20c --- /dev/null +++ b/target/linux/generic/backport-5.15/733-v6.3-16-net-ethernet-mtk_eth_soc-only-write-values-if-needed.patch @@ -0,0 +1,103 @@ +From 6e933a804c7db8be64f367f33e63cd7dcc302ebb Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Tue, 14 Mar 2023 00:34:45 +0000 +Subject: [PATCH 2/2] net: ethernet: mtk_eth_soc: only write values if needed +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Only restart auto-negotiation and write link timer if actually +necessary. This prevents losing the link in case of minor +changes. + +Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII") +Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Tested-by: Bjørn Mork <bjorn@mork.no> +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 24 +++++++++++------------ + 1 file changed, 12 insertions(+), 12 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -38,20 +38,16 @@ static int mtk_pcs_config(struct phylink + const unsigned long *advertising, + bool permit_pause_to_mac) + { ++ bool mode_changed = false, changed, use_an; + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); + unsigned int rgc3, sgm_mode, bmcr; + int advertise, link_timer; +- bool changed, use_an; + + advertise = phylink_mii_c22_pcs_encode_advertisement(interface, + advertising); + if (advertise < 0) + return advertise; + +- link_timer = phylink_get_link_timer_ns(interface); +- if (link_timer < 0) +- return link_timer; +- + /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and + * we assume that fixes it's speed at bitrate = line rate (in + * other words, 1000Mbps or 2500Mbps). +@@ -77,13 +73,16 @@ static int mtk_pcs_config(struct phylink + } + + if (use_an) { +- /* FIXME: Do we need to set AN_RESTART here? */ +- bmcr = SGMII_AN_RESTART | SGMII_AN_ENABLE; ++ bmcr = SGMII_AN_ENABLE; + } else { + bmcr = 0; + } + + if (mpcs->interface != interface) { ++ link_timer = phylink_get_link_timer_ns(interface); ++ if (link_timer < 0) ++ return link_timer; ++ + /* PHYA power down */ + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, + SGMII_PHYA_PWD, SGMII_PHYA_PWD); +@@ -101,16 +100,17 @@ static int mtk_pcs_config(struct phylink + regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, + RG_PHY_SPEED_3_125G, rgc3); + ++ /* Setup the link timer */ ++ regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); ++ + mpcs->interface = interface; ++ mode_changed = true; + } + + /* Update the advertisement, noting whether it has changed */ + regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, + SGMII_ADVERTISE, advertise, &changed); + +- /* Setup the link timer and QPHY power up inside SGMIISYS */ +- regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); +- + /* Update the sgmsys mode register */ + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | +@@ -118,7 +118,7 @@ static int mtk_pcs_config(struct phylink + + /* Update the BMCR */ + regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, +- SGMII_AN_RESTART | SGMII_AN_ENABLE, bmcr); ++ SGMII_AN_ENABLE, bmcr); + + /* Release PHYA power down state + * Only removing bit SGMII_PHYA_PWD isn't enough. +@@ -132,7 +132,7 @@ static int mtk_pcs_config(struct phylink + usleep_range(50, 100); + regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); + +- return changed; ++ return changed || mode_changed; + } + + static void mtk_pcs_restart_an(struct phylink_pcs *pcs) diff --git a/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch b/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch deleted file mode 100644 index 9a6b228a27..0000000000 --- a/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch +++ /dev/null @@ -1,46 +0,0 @@ -From cbfed00575d15eafd85efd9619b7ecc0836a4aa7 Mon Sep 17 00:00:00 2001 -From: Alexander Couzens <lynxis@fe80.eu> -Date: Sat, 13 Aug 2022 14:42:12 +0200 -Subject: [PATCH 04/10] net: mtk_sgmii: implement mtk_pcs_ops - -Implement mtk_pcs_ops for the SGMII pcs to read the current state -of the hardware. - -Signed-off-by: Alexander Couzens <lynxis@fe80.eu> -[added DUPLEX_FULL] -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - drivers/net/ethernet/mediatek/mtk_sgmii.c | 15 +++++++++++++++ - 1 file changed, 15 insertions(+) - ---- a/drivers/net/ethernet/mediatek/mtk_sgmii.c -+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -139,10 +139,28 @@ static void mtk_pcs_link_up(struct phyli - regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); - } - -+static void mtk_pcs_get_state(struct phylink_pcs *pcs, struct phylink_link_state *state) -+{ -+ struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); -+ unsigned int val; -+ -+ regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val); -+ state->an_complete = !!(val & SGMII_AN_COMPLETE); -+ state->link = !!(val & SGMII_LINK_STATYS); -+ if (!state->link) -+ return; -+ -+ regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val); -+ state->speed = val & RG_PHY_SPEED_3_125G ? SPEED_2500 : SPEED_1000; -+ state->duplex = DUPLEX_FULL; -+ state->pause = 0; -+} -+ - static const struct phylink_pcs_ops mtk_pcs_ops = { - .pcs_config = mtk_pcs_config, - .pcs_an_restart = mtk_pcs_restart_an, - .pcs_link_up = mtk_pcs_link_up, -+ .pcs_get_state = mtk_pcs_get_state, - }; - - int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3) diff --git a/target/linux/generic/pending-5.15/727-net-mtk_sgmii-mtk_pcs_setup_mode_an-don-t-rely-on-re.patch b/target/linux/generic/pending-5.15/727-net-mtk_sgmii-mtk_pcs_setup_mode_an-don-t-rely-on-re.patch deleted file mode 100644 index fd68ce22f6..0000000000 --- a/target/linux/generic/pending-5.15/727-net-mtk_sgmii-mtk_pcs_setup_mode_an-don-t-rely-on-re.patch +++ /dev/null @@ -1,31 +0,0 @@ -From e4dca7affb8c03438b63bdb5fddefd6ad2431cfd Mon Sep 17 00:00:00 2001 -From: Alexander Couzens <lynxis@fe80.eu> -Date: Mon, 15 Aug 2022 14:59:29 +0200 -Subject: [PATCH 07/10] net: mtk_sgmii: mtk_pcs_setup_mode_an: don't rely on - register defaults - -Ensure autonegotiation is enabled. - -Signed-off-by: Alexander Couzens <lynxis@fe80.eu> ---- - drivers/net/ethernet/mediatek/mtk_sgmii.c | 5 +++-- - 1 file changed, 3 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/mediatek/mtk_sgmii.c -+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -32,12 +32,13 @@ static int mtk_pcs_setup_mode_an(struct - regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, - SGMII_LINK_TIMER_DEFAULT); - -+ /* disable remote fault & enable auto neg */ - regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); -- val |= SGMII_REMOTE_FAULT_DIS; -+ val |= SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN; - regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); - - regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val); -- val |= SGMII_AN_RESTART; -+ val |= SGMII_AN_RESTART | SGMII_AN_ENABLE; - regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); - - diff --git a/target/linux/generic/pending-5.15/728-net-mtk_sgmii-set-the-speed-according-to-the-phy-int.patch b/target/linux/generic/pending-5.15/728-net-mtk_sgmii-set-the-speed-according-to-the-phy-int.patch deleted file mode 100644 index 1649a64551..0000000000 --- a/target/linux/generic/pending-5.15/728-net-mtk_sgmii-set-the-speed-according-to-the-phy-int.patch +++ /dev/null @@ -1,41 +0,0 @@ -From 952b64575613d26163a5afa5ff8bfdb57840091b Mon Sep 17 00:00:00 2001 -From: Alexander Couzens <lynxis@fe80.eu> -Date: Mon, 15 Aug 2022 15:00:14 +0200 -Subject: [PATCH 08/10] net: mtk_sgmii: set the speed according to the phy - interface in AN - -The non auto-negotioting code path is setting the correct speed for the -interface. Ensure auto-negotiation code path is doing it as well. - -Signed-off-by: Alexander Couzens <lynxis@fe80.eu> ---- - drivers/net/ethernet/mediatek/mtk_sgmii.c | 11 +++++++++-- - 1 file changed, 9 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/mediatek/mtk_sgmii.c -+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -20,12 +20,14 @@ static struct mtk_pcs *pcs_to_mtk_pcs(st - } - - /* For SGMII interface mode */ --static int mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) -+static int mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs, phy_interface_t interface) - { - unsigned int val; - - regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val); - val &= ~RG_PHY_SPEED_MASK; -+ if (interface == PHY_INTERFACE_MODE_2500BASEX) -+ val |= RG_PHY_SPEED_3_125G; - regmap_write(mpcs->regmap, mpcs->ana_rgc3, val); - - /* Setup the link timer and QPHY power up inside SGMIISYS */ -@@ -94,7 +96,7 @@ static int mtk_pcs_config(struct phylink - if (interface != PHY_INTERFACE_MODE_SGMII) - err = mtk_pcs_setup_mode_force(mpcs, interface); - else if (phylink_autoneg_inband(mode)) -- err = mtk_pcs_setup_mode_an(mpcs); -+ err = mtk_pcs_setup_mode_an(mpcs, interface); - - /* Release PHYA power down state - * Only removing bit SGMII_PHYA_PWD isn't enough. diff --git a/target/linux/generic/pending-5.15/729-net-mtk_eth_soc-improve-comment.patch b/target/linux/generic/pending-5.15/729-net-mtk_eth_soc-improve-comment.patch deleted file mode 100644 index cd64c6147a..0000000000 --- a/target/linux/generic/pending-5.15/729-net-mtk_eth_soc-improve-comment.patch +++ /dev/null @@ -1,22 +0,0 @@ -From 06773f19cffd6c9d34dcbc8320169afef5ab60ba Mon Sep 17 00:00:00 2001 -From: Alexander Couzens <lynxis@fe80.eu> -Date: Mon, 15 Aug 2022 13:58:07 +0200 -Subject: [PATCH 09/10] net: mtk_eth_soc: improve comment - -Signed-off-by: Alexander Couzens <lynxis@fe80.eu> ---- - drivers/net/ethernet/mediatek/mtk_sgmii.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/net/ethernet/mediatek/mtk_sgmii.c -+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c -@@ -67,7 +67,8 @@ static int mtk_pcs_setup_mode_force(stru - val &= ~SGMII_AN_ENABLE; - regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val); - -- /* Set the speed etc but leave the duplex unchanged */ -+ /* Set the speed etc but leave the duplex unchanged. -+ * The SGMII mode for 2.5gbit is the same as for 1gbit, expect the speed in ANA_RGC3 */ - regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); - val &= SGMII_DUPLEX_HALF | ~SGMII_IF_MODE_MASK; - val |= SGMII_SPEED_1000; diff --git a/target/linux/generic/pending-5.15/731-net-ethernet-mediatek-ppe-add-support-for-flow-accou.patch b/target/linux/generic/pending-5.15/731-net-ethernet-mediatek-ppe-add-support-for-flow-accou.patch index 9268d3e428..67bd504da1 100644 --- a/target/linux/generic/pending-5.15/731-net-ethernet-mediatek-ppe-add-support-for-flow-accou.patch +++ b/target/linux/generic/pending-5.15/731-net-ethernet-mediatek-ppe-add-support-for-flow-accou.patch @@ -90,7 +90,7 @@ v2: fix wrong variable name in return value check spotted by Denis Kirjanov .rxd_size = sizeof(struct mtk_rx_dma_v2), --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -1026,6 +1026,8 @@ struct mtk_reg_map { +@@ -1037,6 +1037,8 @@ struct mtk_reg_map { * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. * @foe_entry_size Foe table entry size. @@ -99,7 +99,7 @@ v2: fix wrong variable name in return value check spotted by Denis Kirjanov * @txd_size Tx DMA descriptor size. * @rxd_size Rx DMA descriptor size. * @rx_irq_done_mask Rx irq done register mask. -@@ -1043,6 +1045,7 @@ struct mtk_soc_data { +@@ -1054,6 +1056,7 @@ struct mtk_soc_data { u8 hash_offset; u16 foe_entry_size; netdev_features_t hw_features; diff --git a/target/linux/generic/pending-5.15/736-01-net-ethernet-mtk_eth_soc-add-code-for-offloading-flo.patch b/target/linux/generic/pending-5.15/736-01-net-ethernet-mtk_eth_soc-add-code-for-offloading-flo.patch index 0496752f78..4017e2beac 100644 --- a/target/linux/generic/pending-5.15/736-01-net-ethernet-mtk_eth_soc-add-code-for-offloading-flo.patch +++ b/target/linux/generic/pending-5.15/736-01-net-ethernet-mtk_eth_soc-add-code-for-offloading-flo.patch @@ -14,7 +14,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -1319,6 +1319,9 @@ int mtk_gmac_rgmii_path_setup(struct mtk +@@ -1326,6 +1326,9 @@ int mtk_gmac_rgmii_path_setup(struct mtk int mtk_eth_offload_init(struct mtk_eth *eth); int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data); |