From: Rafał Miłecki Date: Wed, 13 Jan 2021 10:01:13 +0000 (+0100) Subject: bcm4908: backport BCM4908 integrated switch initial support X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7e4f055990cf1d84dc1ea512fc421b2f68b346e7;p=openwrt%2Fstaging%2Fthess.git bcm4908: backport BCM4908 integrated switch initial support Upstream driver supports bridging ports. There is no support for crossbar setup or CPU port(s) yet. Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/bcm4908/config-5.4 b/target/linux/bcm4908/config-5.4 index d3d9e0f7b6..6998cdcaf0 100644 --- a/target/linux/bcm4908/config-5.4 +++ b/target/linux/bcm4908/config-5.4 @@ -35,6 +35,11 @@ CONFIG_ARM_GIC_V3=y CONFIG_ARM_GIC_V3_ITS=y CONFIG_ARM_PSCI_FW=y CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y +CONFIG_B53=y +# CONFIG_B53_MDIO_DRIVER is not set +# CONFIG_B53_MMAP_DRIVER is not set +# CONFIG_B53_SERDES is not set +# CONFIG_B53_SRAB_DRIVER is not set CONFIG_BCM7XXX_PHY=y CONFIG_BCM_NET_PHYLIB=y CONFIG_BCM_PMB=y @@ -92,6 +97,7 @@ CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GPIOLIB=y CONFIG_GPIO_GENERIC=y CONFIG_GPIO_GENERIC_PLATFORM=y +CONFIG_GRO_CELLS=y CONFIG_HANDLE_DOMAIN_IRQ=y CONFIG_HARDEN_BRANCH_PREDICTOR=y CONFIG_HARDIRQS_SW_RESEND=y @@ -125,7 +131,14 @@ CONFIG_MTD_RAW_NAND=y CONFIG_MUTEX_SPIN_ON_OWNER=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_NEED_SG_DMA_LENGTH=y +CONFIG_NET_DEVLINK=y +CONFIG_NET_DSA=y +CONFIG_NET_DSA_BCM_SF2=y +CONFIG_NET_DSA_TAG_BRCM=y +CONFIG_NET_DSA_TAG_BRCM_COMMON=y +CONFIG_NET_DSA_TAG_BRCM_PREPEND=y CONFIG_NET_FLOW_LIMIT=y +CONFIG_NET_SWITCHDEV=y CONFIG_NO_IOPORT_MAP=y CONFIG_NR_CPUS=4 CONFIG_OF=y @@ -141,6 +154,7 @@ CONFIG_PADATA=y CONFIG_PARTITION_PERCPU=y CONFIG_PGTABLE_LEVELS=3 CONFIG_PHYLIB=y +CONFIG_PHYLINK=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_PM=y CONFIG_PM_CLK=y diff --git a/target/linux/bcm4908/patches-5.4/070-v5.10-0001-net-dsa-b53-Use-dev_-err-info-instead-of-pr_.patch b/target/linux/bcm4908/patches-5.4/070-v5.10-0001-net-dsa-b53-Use-dev_-err-info-instead-of-pr_.patch new file mode 100644 index 0000000000..1786066a23 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/070-v5.10-0001-net-dsa-b53-Use-dev_-err-info-instead-of-pr_.patch @@ -0,0 +1,50 @@ +From 3b33438c52def0de4a5577ad541e50923bcc2596 Mon Sep 17 00:00:00 2001 +From: Paul Barker +Date: Thu, 3 Sep 2020 12:26:20 +0100 +Subject: [PATCH] net: dsa: b53: Use dev_{err,info} instead of pr_* + +This change allows us to see which device the err or info messages are +referring to if we have multiple b53 compatible devices on a board. + +As this removes the only pr_*() calls in this file we can drop the +definition of pr_fmt(). + +Signed-off-by: Paul Barker +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -17,8 +17,6 @@ + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +- + #include + #include + #include +@@ -2458,8 +2456,9 @@ int b53_switch_detect(struct b53_device + dev->chip_id = id32; + break; + default: +- pr_err("unsupported switch detected (BCM53%02x/BCM%x)\n", +- id8, id32); ++ dev_err(dev->dev, ++ "unsupported switch detected (BCM53%02x/BCM%x)\n", ++ id8, id32); + return -ENODEV; + } + } +@@ -2489,7 +2488,8 @@ int b53_switch_register(struct b53_devic + if (ret) + return ret; + +- pr_info("found switch: %s, rev %i\n", dev->name, dev->core_rev); ++ dev_info(dev->dev, "found switch: %s, rev %i\n", ++ dev->name, dev->core_rev); + + return dsa_register_switch(dev->ds); + } diff --git a/target/linux/bcm4908/patches-5.4/070-v5.10-0002-net-dsa-b53-Print-err-message-on-SW_RST-timeout.patch b/target/linux/bcm4908/patches-5.4/070-v5.10-0002-net-dsa-b53-Print-err-message-on-SW_RST-timeout.patch new file mode 100644 index 0000000000..ab00e58c0f --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/070-v5.10-0002-net-dsa-b53-Print-err-message-on-SW_RST-timeout.patch @@ -0,0 +1,30 @@ +From 434d2312cd8057aa6972f2b39aa0b359d02af9f4 Mon Sep 17 00:00:00 2001 +From: Paul Barker +Date: Thu, 3 Sep 2020 12:26:21 +0100 +Subject: [PATCH] net: dsa: b53: Print err message on SW_RST timeout + +This allows us to differentiate between the possible failure modes of +b53_switch_reset() by looking at the dmesg output. + +Signed-off-by: Paul Barker +Acked-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -740,8 +740,11 @@ static int b53_switch_reset(struct b53_d + usleep_range(1000, 2000); + } while (timeout-- > 0); + +- if (timeout == 0) ++ if (timeout == 0) { ++ dev_err(dev->dev, ++ "Timeout waiting for SW_RST to clear!\n"); + return -ETIMEDOUT; ++ } + } + + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt); 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-v5.12-0029-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch new file mode 100644 index 0000000000..dcf1e62f77 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/071-v5.12-0029-net-dsa-bcm_sf2-support-BCM4908-s-integrated-switch.patch @@ -0,0 +1,131 @@ +From 73b7a6047971aa6ce4a70fc4901964d14f077171 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 6 Jan 2021 22:32:02 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: support BCM4908's integrated switch +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM4908 family SoCs come with integrated Starfighter 2 switch. Its +registers layout it a mix of BCM7278 and BCM7445. It has 5 integrated +PHYs and 8 ports. It also supports RGMII and SerDes. + +Signed-off-by: Rafał Miłecki +Acked-by: Florian Fainelli +Link: https://lore.kernel.org/r/20210106213202.17459-3-zajec5@gmail.com +Signed-off-by: Jakub Kicinski +--- + drivers/net/dsa/b53/b53_common.c | 14 +++++++++++++ + drivers/net/dsa/b53/b53_priv.h | 1 + + drivers/net/dsa/bcm_sf2.c | 36 +++++++++++++++++++++++++++++--- + drivers/net/dsa/bcm_sf2_regs.h | 1 + + 4 files changed, 49 insertions(+), 3 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2260,6 +2260,22 @@ static const struct b53_chip_data b53_sw + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + }, ++ /* Starfighter 2 */ ++ { ++ .chip_id = BCM4908_DEVICE_ID, ++ .dev_name = "BCM4908", ++ .vlans = 4096, ++ .enabled_ports = 0x1bf, ++#if 0 ++ .arl_bins = 4, ++ .arl_buckets = 256, ++#endif ++ .cpu_port = 8, /* TODO: ports 4, 5, 8 */ ++ .vta_regs = B53_VTA_REGS, ++ .duplex_reg = B53_DUPLEX_STAT_GE, ++ .jumbo_pm_reg = B53_JUMBO_PORT_MASK, ++ .jumbo_size_reg = B53_JUMBO_MAX_SIZE, ++ }, + { + .chip_id = BCM7445_DEVICE_ID, + .dev_name = "BCM7445", +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -64,6 +64,7 @@ struct b53_io_ops { + #define B53_INVALID_LANE 0xff + + enum { ++ BCM4908_DEVICE_ID = 0x4908, + BCM5325_DEVICE_ID = 0x25, + BCM5365_DEVICE_ID = 0x65, + BCM5389_DEVICE_ID = 0x89, +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -61,7 +61,8 @@ static void bcm_sf2_imp_setup(struct dsa + b53_brcm_hdr_setup(ds, port); + + if (port == 8) { +- if (priv->type == BCM7445_DEVICE_ID) ++ if (priv->type == BCM4908_DEVICE_ID || ++ priv->type == BCM7445_DEVICE_ID) + offset = CORE_STS_OVERRIDE_IMP; + else + offset = CORE_STS_OVERRIDE_IMP2; +@@ -542,7 +543,8 @@ static void bcm_sf2_sw_mac_config(struct + if (port == core_readl(priv, CORE_IMP0_PRT_ID)) + return; + +- if (priv->type == BCM7445_DEVICE_ID) ++ if (priv->type == BCM4908_DEVICE_ID || ++ priv->type == BCM7445_DEVICE_ID) + offset = CORE_STS_OVERRIDE_GMIIP_PORT(port); + else + offset = CORE_STS_OVERRIDE_GMIIP2_PORT(port); +@@ -984,6 +986,30 @@ struct bcm_sf2_of_data { + unsigned int num_cfp_rules; + }; + ++static const u16 bcm_sf2_4908_reg_offsets[] = { ++ [REG_SWITCH_CNTRL] = 0x00, ++ [REG_SWITCH_STATUS] = 0x04, ++ [REG_DIR_DATA_WRITE] = 0x08, ++ [REG_DIR_DATA_READ] = 0x0c, ++ [REG_SWITCH_REVISION] = 0x10, ++ [REG_PHY_REVISION] = 0x14, ++ [REG_SPHY_CNTRL] = 0x24, ++ [REG_CROSSBAR] = 0xc8, ++ [REG_RGMII_0_CNTRL] = 0xe0, ++ [REG_RGMII_1_CNTRL] = 0xec, ++ [REG_RGMII_2_CNTRL] = 0xf8, ++ [REG_LED_0_CNTRL] = 0x40, ++ [REG_LED_1_CNTRL] = 0x4c, ++ [REG_LED_2_CNTRL] = 0x58, ++}; ++ ++static const struct bcm_sf2_of_data bcm_sf2_4908_data = { ++ .type = BCM4908_DEVICE_ID, ++ .core_reg_align = 0, ++ .reg_offsets = bcm_sf2_4908_reg_offsets, ++ .num_cfp_rules = 0, /* FIXME */ ++}; ++ + /* Register offsets for the SWITCH_REG_* block */ + static const u16 bcm_sf2_7445_reg_offsets[] = { + [REG_SWITCH_CNTRL] = 0x00, +@@ -1032,6 +1058,9 @@ static const struct bcm_sf2_of_data bcm_ + }; + + static const struct of_device_id bcm_sf2_of_match[] = { ++ { .compatible = "brcm,bcm4908-switch", ++ .data = &bcm_sf2_4908_data ++ }, + { .compatible = "brcm,bcm7445-switch-v4.0", + .data = &bcm_sf2_7445_data + }, +--- a/drivers/net/dsa/bcm_sf2_regs.h ++++ b/drivers/net/dsa/bcm_sf2_regs.h +@@ -17,6 +17,7 @@ enum bcm_sf2_reg_offs { + REG_SWITCH_REVISION, + REG_PHY_REVISION, + REG_SPHY_CNTRL, ++ REG_CROSSBAR, + REG_RGMII_0_CNTRL, + REG_RGMII_1_CNTRL, + REG_RGMII_2_CNTRL,