diff options
Diffstat (limited to 'target/linux/bcm4908')
3 files changed, 211 insertions, 2 deletions
diff --git a/target/linux/bcm4908/patches-5.4/076-v5.17-net-dsa-bcm_sf2-refactor-LED-regs-access.patch b/target/linux/bcm4908/patches-5.4/076-v5.17-net-dsa-bcm_sf2-refactor-LED-regs-access.patch new file mode 100644 index 0000000000..88f2c3c0cd --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/076-v5.17-net-dsa-bcm_sf2-refactor-LED-regs-access.patch @@ -0,0 +1,209 @@ +From af30f8eaa8fe4ff1987280f716309711997bd979 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 29 Dec 2021 18:16:42 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: refactor LED regs access +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +1. Define more regs. Some switches (e.g. BCM4908) have up to 6 regs. +2. Add helper for handling non-lineral port <-> reg mappings. +3. Add support for 12 B LED reg blocks on BCM4908 (different layout) + +Complete support for LEDs setup will be implemented once Linux receives +a proper design & implementation for "hardware" LEDs. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Link: https://lore.kernel.org/r/20211229171642.22942-1-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/dsa/bcm_sf2.c | 54 ++++++++++++++++++++++++---- + drivers/net/dsa/bcm_sf2.h | 10 ++++++ + drivers/net/dsa/bcm_sf2_regs.h | 65 +++++++++++++++++++++++++++++++--- + 3 files changed, 119 insertions(+), 10 deletions(-) + +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -31,6 +31,38 @@ + #include "b53/b53_priv.h" + #include "b53/b53_regs.h" + ++static u16 bcm_sf2_reg_led_base(struct bcm_sf2_priv *priv, int port) ++{ ++ switch (port) { ++ case 0: ++ return REG_LED_0_CNTRL; ++ case 1: ++ return REG_LED_1_CNTRL; ++ case 2: ++ return REG_LED_2_CNTRL; ++ } ++ ++ switch (priv->type) { ++ case BCM4908_DEVICE_ID: ++ switch (port) { ++ case 3: ++ return REG_LED_3_CNTRL; ++ case 7: ++ return REG_LED_4_CNTRL; ++ default: ++ break; ++ } ++ break; ++ default: ++ break; ++ } ++ ++ WARN_ONCE(1, "Unsupported port %d\n", port); ++ ++ /* RO fallback reg */ ++ return REG_SWITCH_STATUS; ++} ++ + static u16 bcm_sf2_reg_rgmii_cntrl(struct bcm_sf2_priv *priv, int port) + { + switch (priv->type) { +@@ -141,9 +173,14 @@ static void bcm_sf2_gphy_enable_set(stru + + /* Use PHY-driven LED signaling */ + if (!enable) { +- reg = reg_readl(priv, REG_LED_CNTRL(0)); +- reg |= SPDLNK_SRC_SEL; +- reg_writel(priv, reg, REG_LED_CNTRL(0)); ++ u16 led_ctrl = bcm_sf2_reg_led_base(priv, 0); ++ ++ if (priv->type == BCM7278_DEVICE_ID || ++ priv->type == BCM7445_DEVICE_ID) { ++ reg = reg_led_readl(priv, led_ctrl, 0); ++ reg |= LED_CNTRL_SPDLNK_SRC_SEL; ++ reg_led_writel(priv, reg, led_ctrl, 0); ++ } + } + } + +@@ -1085,9 +1122,14 @@ static const u16 bcm_sf2_4908_reg_offset + [REG_SPHY_CNTRL] = 0x24, + [REG_CROSSBAR] = 0xc8, + [REG_RGMII_11_CNTRL] = 0x014c, +- [REG_LED_0_CNTRL] = 0x40, +- [REG_LED_1_CNTRL] = 0x4c, +- [REG_LED_2_CNTRL] = 0x58, ++ [REG_LED_0_CNTRL] = 0x40, ++ [REG_LED_1_CNTRL] = 0x4c, ++ [REG_LED_2_CNTRL] = 0x58, ++ [REG_LED_3_CNTRL] = 0x64, ++ [REG_LED_4_CNTRL] = 0x88, ++ [REG_LED_5_CNTRL] = 0xa0, ++ [REG_LED_AGGREGATE_CTRL] = 0xb8, ++ + }; + + static const struct bcm_sf2_of_data bcm_sf2_4908_data = { +--- a/drivers/net/dsa/bcm_sf2.h ++++ b/drivers/net/dsa/bcm_sf2.h +@@ -203,6 +203,16 @@ SF2_IO_MACRO(acb); + SWITCH_INTR_L2(0); + SWITCH_INTR_L2(1); + ++static inline u32 reg_led_readl(struct bcm_sf2_priv *priv, u16 off, u16 reg) ++{ ++ return readl_relaxed(priv->reg + priv->reg_offsets[off] + reg); ++} ++ ++static inline void reg_led_writel(struct bcm_sf2_priv *priv, u32 val, u16 off, u16 reg) ++{ ++ writel_relaxed(val, priv->reg + priv->reg_offsets[off] + reg); ++} ++ + /* RXNFC */ + int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, + struct ethtool_rxnfc *nfc, u32 *rule_locs); +--- a/drivers/net/dsa/bcm_sf2_regs.h ++++ b/drivers/net/dsa/bcm_sf2_regs.h +@@ -25,6 +25,10 @@ enum bcm_sf2_reg_offs { + REG_LED_0_CNTRL, + REG_LED_1_CNTRL, + REG_LED_2_CNTRL, ++ REG_LED_3_CNTRL, ++ REG_LED_4_CNTRL, ++ REG_LED_5_CNTRL, ++ REG_LED_AGGREGATE_CTRL, + REG_SWITCH_REG_MAX, + }; + +@@ -56,6 +60,63 @@ enum bcm_sf2_reg_offs { + #define CROSSBAR_BCM4908_EXT_GPHY4 1 + #define CROSSBAR_BCM4908_EXT_RGMII 2 + ++/* Relative to REG_LED_*_CNTRL (BCM7278, BCM7445) */ ++#define LED_CNTRL_NO_LINK_ENCODE_SHIFT 0 ++#define LED_CNTRL_M10_ENCODE_SHIFT 2 ++#define LED_CNTRL_M100_ENCODE_SHIFT 4 ++#define LED_CNTRL_M1000_ENCODE_SHIFT 6 ++#define LED_CNTRL_SEL_NO_LINK_ENCODE_SHIFT 8 ++#define LED_CNTRL_SEL_10M_ENCODE_SHIFT 10 ++#define LED_CNTRL_SEL_100M_ENCODE_SHIFT 12 ++#define LED_CNTRL_SEL_1000M_ENCODE_SHIFT 14 ++#define LED_CNTRL_RX_DV_EN (1 << 16) ++#define LED_CNTRL_TX_EN_EN (1 << 17) ++#define LED_CNTRL_SPDLNK_LED0_ACT_SEL_SHIFT 18 ++#define LED_CNTRL_SPDLNK_LED1_ACT_SEL_SHIFT 20 ++#define LED_CNTRL_ACT_LED_ACT_SEL_SHIFT 22 ++#define LED_CNTRL_SPDLNK_SRC_SEL (1 << 24) ++#define LED_CNTRL_SPDLNK_LED0_ACT_POL_SEL (1 << 25) ++#define LED_CNTRL_SPDLNK_LED1_ACT_POL_SEL (1 << 26) ++#define LED_CNTRL_ACT_LED_POL_SEL (1 << 27) ++#define LED_CNTRL_MASK 0x3 ++ ++/* Register relative to REG_LED_*_CNTRL (BCM4908) */ ++#define REG_LED_CTRL 0x0 ++#define LED_CTRL_RX_ACT_EN 0x00000001 ++#define LED_CTRL_TX_ACT_EN 0x00000002 ++#define LED_CTRL_SPDLNK_LED0_ACT_SEL 0x00000004 ++#define LED_CTRL_SPDLNK_LED1_ACT_SEL 0x00000008 ++#define LED_CTRL_SPDLNK_LED2_ACT_SEL 0x00000010 ++#define LED_CTRL_ACT_LED_ACT_SEL 0x00000020 ++#define LED_CTRL_SPDLNK_LED0_ACT_POL_SEL 0x00000040 ++#define LED_CTRL_SPDLNK_LED1_ACT_POL_SEL 0x00000080 ++#define LED_CTRL_SPDLNK_LED2_ACT_POL_SEL 0x00000100 ++#define LED_CTRL_ACT_LED_POL_SEL 0x00000200 ++#define LED_CTRL_LED_SPD_OVRD 0x00001c00 ++#define LED_CTRL_LNK_STATUS_OVRD 0x00002000 ++#define LED_CTRL_SPD_OVRD_EN 0x00004000 ++#define LED_CTRL_LNK_OVRD_EN 0x00008000 ++ ++/* Register relative to REG_LED_*_CNTRL (BCM4908) */ ++#define REG_LED_LINK_SPEED_ENC_SEL 0x4 ++#define LED_LINK_SPEED_ENC_SEL_NO_LINK_SHIFT 0 ++#define LED_LINK_SPEED_ENC_SEL_10M_SHIFT 3 ++#define LED_LINK_SPEED_ENC_SEL_100M_SHIFT 6 ++#define LED_LINK_SPEED_ENC_SEL_1000M_SHIFT 9 ++#define LED_LINK_SPEED_ENC_SEL_2500M_SHIFT 12 ++#define LED_LINK_SPEED_ENC_SEL_10G_SHIFT 15 ++#define LED_LINK_SPEED_ENC_SEL_MASK 0x7 ++ ++/* Register relative to REG_LED_*_CNTRL (BCM4908) */ ++#define REG_LED_LINK_SPEED_ENC 0x8 ++#define LED_LINK_SPEED_ENC_NO_LINK_SHIFT 0 ++#define LED_LINK_SPEED_ENC_M10_SHIFT 3 ++#define LED_LINK_SPEED_ENC_M100_SHIFT 6 ++#define LED_LINK_SPEED_ENC_M1000_SHIFT 9 ++#define LED_LINK_SPEED_ENC_M2500_SHIFT 12 ++#define LED_LINK_SPEED_ENC_M10G_SHIFT 15 ++#define LED_LINK_SPEED_ENC_MASK 0x7 ++ + /* Relative to REG_RGMII_CNTRL */ + #define RGMII_MODE_EN (1 << 0) + #define ID_MODE_DIS (1 << 1) +@@ -73,10 +134,6 @@ enum bcm_sf2_reg_offs { + #define LPI_COUNT_SHIFT 9 + #define LPI_COUNT_MASK 0x3F + +-#define REG_LED_CNTRL(x) (REG_LED_0_CNTRL + (x)) +- +-#define SPDLNK_SRC_SEL (1 << 24) +- + /* Register set relative to 'INTRL2_0' and 'INTRL2_1' */ + #define INTRL2_CPU_STATUS 0x00 + #define INTRL2_CPU_SET 0x04 diff --git a/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch b/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch index c9e4c67376..d9d972c9cd 100644 --- a/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch +++ b/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch @@ -29,7 +29,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c -@@ -1321,10 +1321,14 @@ static int bcm_sf2_sw_probe(struct platf +@@ -1363,10 +1363,14 @@ static int bcm_sf2_sw_probe(struct platf rev = reg_readl(priv, REG_PHY_REVISION); priv->hw_params.gphy_rev = rev & PHY_REVISION_MASK; diff --git a/target/linux/bcm4908/patches-5.4/701-net-dsa-bcm_sf2-keep-GPHY-enabled-on-the-BCM4908.patch b/target/linux/bcm4908/patches-5.4/701-net-dsa-bcm_sf2-keep-GPHY-enabled-on-the-BCM4908.patch index 5bc5bff2e9..c8fe1121ba 100644 --- a/target/linux/bcm4908/patches-5.4/701-net-dsa-bcm_sf2-keep-GPHY-enabled-on-the-BCM4908.patch +++ b/target/linux/bcm4908/patches-5.4/701-net-dsa-bcm_sf2-keep-GPHY-enabled-on-the-BCM4908.patch @@ -15,7 +15,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c -@@ -1335,6 +1335,12 @@ static int bcm_sf2_sw_probe(struct platf +@@ -1377,6 +1377,12 @@ static int bcm_sf2_sw_probe(struct platf priv->hw_params.core_rev >> 8, priv->hw_params.core_rev & 0xff, priv->irq0, priv->irq1); |