diff options
Diffstat (limited to 'target/linux/bcm4908')
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/071-v5.12-0001-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch (renamed from target/linux/bcm4908/patches-5.4/071-v5.12-0029-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch) | 0 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch | 33 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch | 72 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/075-v5.13-0002-net-dsa-bcm_sf2-setup-BCM4908-internal-crossbar.patch | 152 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch | 2 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/701-net-dsa-bcm_sf2-keep-GPHY-enabled-on-the-BCM4908.patch | 2 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/702-net-dsa-bcm_sf2-quick-fix-for-RGMII-reg-access-on-BC.patch | 12 |
7 files changed, 265 insertions, 8 deletions
diff --git a/target/linux/bcm4908/patches-5.4/071-v5.12-0029-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch b/target/linux/bcm4908/patches-5.4/071-v5.12-0001-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch index 549af546fe..549af546fe 100644 --- a/target/linux/bcm4908/patches-5.4/071-v5.12-0029-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch +++ b/target/linux/bcm4908/patches-5.4/071-v5.12-0001-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch diff --git a/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch b/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch new file mode 100644 index 0000000000..2ab34c1261 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch @@ -0,0 +1,33 @@ +From 8373a0fe9c7160a55482effa8a3f725efd3f8434 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 10 Mar 2021 13:51:59 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: use 2 Gbps IMP port link on BCM4908 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM4908 uses 2 Gbps link between switch and the Ethernet interface. +Without this BCM4908 devices were able to achieve only 2 x ~895 Mb/s. +This allows handling e.g. NAT traffic with 940 Mb/s. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/bcm_sf2.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -70,7 +70,10 @@ static void bcm_sf2_imp_setup(struct dsa + /* Force link status for IMP port */ + reg = core_readl(priv, offset); + reg |= (MII_SW_OR | LINK_STS); +- reg &= ~GMII_SPEED_UP_2G; ++ if (priv->type == BCM4908_DEVICE_ID) ++ reg |= GMII_SPEED_UP_2G; ++ else ++ reg &= ~GMII_SPEED_UP_2G; + core_writel(priv, reg, offset); + + /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ diff --git a/target/linux/bcm4908/patches-5.4/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch b/target/linux/bcm4908/patches-5.4/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch new file mode 100644 index 0000000000..e9a0b2c79d --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch @@ -0,0 +1,72 @@ +From 01488a0ccd9abe15565bed50a45afcddbb0fe199 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Fri, 12 Mar 2021 11:41:07 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: store PHY interface/mode in port structure +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It's needed later for proper switch / crossbar setup. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/bcm_sf2.c | 16 ++++++++++++---- + drivers/net/dsa/bcm_sf2.h | 1 + + 2 files changed, 13 insertions(+), 4 deletions(-) + +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -385,8 +385,9 @@ static void bcm_sf2_intr_disable(struct + static void bcm_sf2_identify_ports(struct bcm_sf2_priv *priv, + struct device_node *dn) + { ++ struct device *dev = priv->dev->ds->dev; ++ struct bcm_sf2_port_status *port_st; + struct device_node *port; +- int mode; + unsigned int port_num; + + priv->moca_port = -1; +@@ -395,19 +396,26 @@ static void bcm_sf2_identify_ports(struc + if (of_property_read_u32(port, "reg", &port_num)) + continue; + ++ if (port_num >= DSA_MAX_PORTS) { ++ dev_err(dev, "Invalid port number %d\n", port_num); ++ continue; ++ } ++ ++ port_st = &priv->port_sts[port_num]; ++ + /* Internal PHYs get assigned a specific 'phy-mode' property + * value: "internal" to help flag them before MDIO probing + * has completed, since they might be turned off at that + * time + */ +- mode = of_get_phy_mode(port); +- if (mode < 0) ++ port_st->mode = of_get_phy_mode(port); ++ if (port_st->mode < 0) + continue; + +- if (mode == PHY_INTERFACE_MODE_INTERNAL) ++ if (port_st->mode == PHY_INTERFACE_MODE_INTERNAL) + priv->int_phy_mask |= 1 << port_num; + +- if (mode == PHY_INTERFACE_MODE_MOCA) ++ if (port_st->mode == PHY_INTERFACE_MODE_MOCA) + priv->moca_port = port_num; + + if (of_property_read_bool(port, "brcm,use-bcm-hdr")) +--- a/drivers/net/dsa/bcm_sf2.h ++++ b/drivers/net/dsa/bcm_sf2.h +@@ -43,6 +43,7 @@ struct bcm_sf2_hw_params { + #define BCM_SF2_REGS_NUM 6 + + struct bcm_sf2_port_status { ++ int mode; + unsigned int link; + }; + diff --git a/target/linux/bcm4908/patches-5.4/075-v5.13-0002-net-dsa-bcm_sf2-setup-BCM4908-internal-crossbar.patch b/target/linux/bcm4908/patches-5.4/075-v5.13-0002-net-dsa-bcm_sf2-setup-BCM4908-internal-crossbar.patch new file mode 100644 index 0000000000..cd49ec1ab8 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/075-v5.13-0002-net-dsa-bcm_sf2-setup-BCM4908-internal-crossbar.patch @@ -0,0 +1,152 @@ +From a9349f08ec6c1251d41ef167d27a15cc39bc5b97 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Fri, 12 Mar 2021 11:41:08 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: setup BCM4908 internal crossbar +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +On some SoCs (e.g. BCM4908, BCM631[345]8) SF2 has an integrated +crossbar. It allows connecting its selected external ports to internal +ports. It's used by vendors to handle custom Ethernet setups. + +BCM4908 has following 3x2 crossbar. On Asus GT-AC5300 rgmii is used for +connecting external BCM53134S switch. GPHY4 is usually used for WAN +port. More fancy devices use SerDes for 2.5 Gbps Ethernet. + + ┌──────────┐ +SerDes ─── 0 ─┤ │ + │ 3x2 ├─ 0 ─── switch port 7 + GPHY4 ─── 1 ─┤ │ + │ crossbar ├─ 1 ─── runner (accelerator) + rgmii ─── 2 ─┤ │ + └──────────┘ + +Use setup data based on DT info to configure BCM4908's switch port 7. +Right now only GPHY and rgmii variants are supported. Handling SerDes +can be implemented later. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/bcm_sf2.c | 45 ++++++++++++++++++++++++++++++++++ + drivers/net/dsa/bcm_sf2.h | 1 + + drivers/net/dsa/bcm_sf2_regs.h | 7 ++++++ + 3 files changed, 53 insertions(+) + +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -374,6 +374,44 @@ static int bcm_sf2_sw_rst(struct bcm_sf2 + return 0; + } + ++static void bcm_sf2_crossbar_setup(struct bcm_sf2_priv *priv) ++{ ++ struct device *dev = priv->dev->ds->dev; ++ int shift; ++ u32 mask; ++ u32 reg; ++ int i; ++ ++ mask = BIT(priv->num_crossbar_int_ports) - 1; ++ ++ reg = reg_readl(priv, REG_CROSSBAR); ++ switch (priv->type) { ++ case BCM4908_DEVICE_ID: ++ shift = CROSSBAR_BCM4908_INT_P7 * priv->num_crossbar_int_ports; ++ reg &= ~(mask << shift); ++ if (0) /* FIXME */ ++ reg |= CROSSBAR_BCM4908_EXT_SERDES << shift; ++ else if (priv->int_phy_mask & BIT(7)) ++ reg |= CROSSBAR_BCM4908_EXT_GPHY4 << shift; ++ else if (phy_interface_mode_is_rgmii(priv->port_sts[7].mode)) ++ reg |= CROSSBAR_BCM4908_EXT_RGMII << shift; ++ else if (WARN(1, "Invalid port mode\n")) ++ return; ++ break; ++ default: ++ return; ++ } ++ reg_writel(priv, reg, REG_CROSSBAR); ++ ++ reg = reg_readl(priv, REG_CROSSBAR); ++ for (i = 0; i < priv->num_crossbar_int_ports; i++) { ++ shift = i * priv->num_crossbar_int_ports; ++ ++ dev_dbg(dev, "crossbar int port #%d - ext port #%d\n", i, ++ (reg >> shift) & mask); ++ } ++} ++ + static void bcm_sf2_intr_disable(struct bcm_sf2_priv *priv) + { + intrl2_0_mask_set(priv, 0xffffffff); +@@ -737,6 +775,8 @@ static int bcm_sf2_sw_resume(struct dsa_ + return ret; + } + ++ bcm_sf2_crossbar_setup(priv); ++ + ret = bcm_sf2_cfp_resume(ds); + if (ret) + return ret; +@@ -999,6 +1039,7 @@ struct bcm_sf2_of_data { + const u16 *reg_offsets; + unsigned int core_reg_align; + unsigned int num_cfp_rules; ++ unsigned int num_crossbar_int_ports; + }; + + static const u16 bcm_sf2_4908_reg_offsets[] = { +@@ -1023,6 +1064,7 @@ static const struct bcm_sf2_of_data bcm_ + .core_reg_align = 0, + .reg_offsets = bcm_sf2_4908_reg_offsets, + .num_cfp_rules = 0, /* FIXME */ ++ .num_crossbar_int_ports = 2, + }; + + /* Register offsets for the SWITCH_REG_* block */ +@@ -1133,6 +1175,7 @@ static int bcm_sf2_sw_probe(struct platf + priv->reg_offsets = data->reg_offsets; + priv->core_reg_align = data->core_reg_align; + priv->num_cfp_rules = data->num_cfp_rules; ++ priv->num_crossbar_int_ports = data->num_crossbar_int_ports; + + /* Auto-detection using standard registers will not work, so + * provide an indication of what kind of device we are for +@@ -1187,6 +1230,8 @@ static int bcm_sf2_sw_probe(struct platf + return ret; + } + ++ bcm_sf2_crossbar_setup(priv); ++ + bcm_sf2_gphy_enable_set(priv->dev->ds, true); + + ret = bcm_sf2_mdio_register(ds); +--- a/drivers/net/dsa/bcm_sf2.h ++++ b/drivers/net/dsa/bcm_sf2.h +@@ -70,6 +70,7 @@ struct bcm_sf2_priv { + const u16 *reg_offsets; + unsigned int core_reg_align; + unsigned int num_cfp_rules; ++ unsigned int num_crossbar_int_ports; + + /* spinlock protecting access to the indirect registers */ + spinlock_t indir_lock; +--- a/drivers/net/dsa/bcm_sf2_regs.h ++++ b/drivers/net/dsa/bcm_sf2_regs.h +@@ -48,6 +48,13 @@ enum bcm_sf2_reg_offs { + #define PHY_PHYAD_SHIFT 8 + #define PHY_PHYAD_MASK 0x1F + ++/* Relative to REG_CROSSBAR */ ++#define CROSSBAR_BCM4908_INT_P7 0 ++#define CROSSBAR_BCM4908_INT_RUNNER 1 ++#define CROSSBAR_BCM4908_EXT_SERDES 0 ++#define CROSSBAR_BCM4908_EXT_GPHY4 1 ++#define CROSSBAR_BCM4908_EXT_RGMII 2 ++ + #define REG_RGMII_CNTRL_P(x) (REG_RGMII_0_CNTRL + (x)) + + /* Relative to REG_RGMII_CNTRL */ 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 26f6216061..7ba7f73f15 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 -@@ -1234,10 +1234,14 @@ static int bcm_sf2_sw_probe(struct platf +@@ -1290,10 +1290,14 @@ 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 559430a3a7..da5fec8022 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 -@@ -1248,6 +1248,12 @@ static int bcm_sf2_sw_probe(struct platf +@@ -1304,6 +1304,12 @@ static int bcm_sf2_sw_probe(struct platf priv->hw_params.core_rev >> 8, priv->hw_params.core_rev & 0xff, priv->irq0, priv->irq1); diff --git a/target/linux/bcm4908/patches-5.4/702-net-dsa-bcm_sf2-quick-fix-for-RGMII-reg-access-on-BC.patch b/target/linux/bcm4908/patches-5.4/702-net-dsa-bcm_sf2-quick-fix-for-RGMII-reg-access-on-BC.patch index 2d88cf353b..49b1ef68a3 100644 --- a/target/linux/bcm4908/patches-5.4/702-net-dsa-bcm_sf2-quick-fix-for-RGMII-reg-access-on-BC.patch +++ b/target/linux/bcm4908/patches-5.4/702-net-dsa-bcm_sf2-quick-fix-for-RGMII-reg-access-on-BC.patch @@ -16,7 +16,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c -@@ -543,10 +543,19 @@ static void bcm_sf2_sw_mac_config(struct +@@ -592,10 +592,19 @@ static void bcm_sf2_sw_mac_config(struct struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); u32 id_mode_dis = 0, port_mode; u32 reg, offset; @@ -36,7 +36,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> if (priv->type == BCM4908_DEVICE_ID || priv->type == BCM7445_DEVICE_ID) offset = CORE_STS_OVERRIDE_GMIIP_PORT(port); -@@ -574,7 +583,7 @@ static void bcm_sf2_sw_mac_config(struct +@@ -623,7 +632,7 @@ static void bcm_sf2_sw_mac_config(struct /* Clear id_mode_dis bit, and the existing port mode, let * RGMII_MODE_EN bet set by mac_link_{up,down} */ @@ -45,7 +45,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> reg &= ~ID_MODE_DIS; reg &= ~(PORT_MODE_MASK << PORT_MODE_SHIFT); reg &= ~(RX_PAUSE_EN | TX_PAUSE_EN); -@@ -589,7 +598,7 @@ static void bcm_sf2_sw_mac_config(struct +@@ -638,7 +647,7 @@ static void bcm_sf2_sw_mac_config(struct reg |= RX_PAUSE_EN; } @@ -54,7 +54,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> force_link: /* Force link settings detected from the PHY */ -@@ -615,6 +624,7 @@ static void bcm_sf2_sw_mac_link_set(stru +@@ -664,6 +673,7 @@ static void bcm_sf2_sw_mac_link_set(stru phy_interface_t interface, bool link) { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); @@ -62,7 +62,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> u32 reg; if (!phy_interface_mode_is_rgmii(interface) && -@@ -622,13 +632,21 @@ static void bcm_sf2_sw_mac_link_set(stru +@@ -671,13 +681,21 @@ static void bcm_sf2_sw_mac_link_set(stru interface != PHY_INTERFACE_MODE_REVMII) return; @@ -86,7 +86,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> } static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, -@@ -999,9 +1017,7 @@ static const u16 bcm_sf2_4908_reg_offset +@@ -1051,9 +1069,7 @@ static const u16 bcm_sf2_4908_reg_offset [REG_PHY_REVISION] = 0x14, [REG_SPHY_CNTRL] = 0x24, [REG_CROSSBAR] = 0xc8, |