From fff07085fb5a5d8536a6f54065c3b48528fa3c41 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Mon, 20 Mar 2023 17:20:40 +0100 Subject: [PATCH] kernel: add pending bmips patches MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add patches sent upstream for bmips and b53 and remove downstream ones. Signed-off-by: Álvaro Fernández Rojas --- ...s-automatically-detect-CPU-frequency.patch | 7 +- ...-bmips-automatically-detect-RAM-size.patch | 12 +- ...isable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch | 100 ---------- ...02-mips-bmips-tweak-Kconfig-options.patch} | 0 ...ip-bcm-6345-l1-request-memory-region.patch | 38 ---- ...1-net-dsa-b53-mmap-fix-enabled_ports.patch | 27 --- ...a-b53-add-support-for-BCM63xx-RGMIIs.patch | 72 ------- ...ps-BCM6358-disable-RAC-flush-for-TP1.patch | 180 ++++++++++++++++++ ...ip-bcm-6345-l1-request-memory-region.patch | 113 +++++++++++ ...dsa-b53-mmap-fix-device-tree-support.patch | 104 ++++++++++ ...cm-legacy-fix-daisy-chained-switches.patch | 140 ++++++++++++++ ...a-b53-add-support-for-BCM63xx-RGMIIs.patch | 174 +++++++++++++++++ ...t-dsa-b53-mmap-add-more-BCM63xx-SoCs.patch | 105 ++++++++++ ...dsa-b53-mmap-allow-passing-a-chip-ID.patch | 166 ++++++++++++++++ ...b53-add-BCM63268-RGMII-configuration.patch | 117 ++++++++++++ 15 files changed, 1109 insertions(+), 246 deletions(-) delete mode 100644 target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch rename target/linux/bmips/patches-5.15/{220-mips-bmips-tweak-Kconfig-options.patch => 202-mips-bmips-tweak-Kconfig-options.patch} (100%) delete mode 100644 target/linux/bmips/patches-5.15/210-irqchip-bcm-6345-l1-request-memory-region.patch delete mode 100644 target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch delete mode 100644 target/linux/bmips/patches-5.15/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch create mode 100644 target/linux/generic/pending-5.15/350-mips-bmips-BCM6358-disable-RAC-flush-for-TP1.patch create mode 100644 target/linux/generic/pending-5.15/351-irqchip-bcm-6345-l1-request-memory-region.patch create mode 100644 target/linux/generic/pending-5.15/770-net-dsa-b53-mmap-fix-device-tree-support.patch create mode 100644 target/linux/generic/pending-5.15/771-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch create mode 100644 target/linux/generic/pending-5.15/772-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch create mode 100644 target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-BCM63xx-SoCs.patch create mode 100644 target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch create mode 100644 target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch diff --git a/target/linux/bmips/patches-5.15/200-mips-bmips-automatically-detect-CPU-frequency.patch b/target/linux/bmips/patches-5.15/200-mips-bmips-automatically-detect-CPU-frequency.patch index 40c977baf8..b102f91345 100644 --- a/target/linux/bmips/patches-5.15/200-mips-bmips-automatically-detect-CPU-frequency.patch +++ b/target/linux/bmips/patches-5.15/200-mips-bmips-automatically-detect-CPU-frequency.patch @@ -15,7 +15,7 @@ Signed-off-by: Álvaro Fernández Rojas --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c -@@ -31,11 +31,51 @@ +@@ -31,13 +31,52 @@ #define RELO_NORMAL_VEC BIT(18) @@ -55,7 +55,8 @@ Signed-off-by: Álvaro Fernández Rojas +#define REG_BCM63268_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814)) +#define BCM63268_FCVO_SHIFT 21 +#define BCM63268_FCVO_MASK (0xf << BCM63268_FCVO_SHIFT) -+ + + extern bool bmips_rac_flush_disable; static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; @@ -67,7 +68,7 @@ Signed-off-by: Álvaro Fernández Rojas struct bmips_quirk { const char *compatible; void (*quirk_fn)(void); -@@ -134,17 +174,161 @@ const char *get_system_type(void) +@@ -142,17 +181,161 @@ const char *get_system_type(void) return "Generic BMIPS kernel"; } diff --git a/target/linux/bmips/patches-5.15/201-mips-bmips-automatically-detect-RAM-size.patch b/target/linux/bmips/patches-5.15/201-mips-bmips-automatically-detect-RAM-size.patch index b06795a44e..27c3c5e28d 100644 --- a/target/linux/bmips/patches-5.15/201-mips-bmips-automatically-detect-RAM-size.patch +++ b/target/linux/bmips/patches-5.15/201-mips-bmips-automatically-detect-RAM-size.patch @@ -50,12 +50,12 @@ Signed-off-by: Álvaro Fernández Rojas #define REG_BCM6368_DDR_PLLC ((void __iomem *)CKSEG1ADDR(0x100012a0)) #define BCM6368_PLLC_P1_SHIFT 0 #define BCM6368_PLLC_P1_MASK (0xf << BCM6368_PLLC_P1_SHIFT) -@@ -67,7 +73,21 @@ +@@ -67,6 +73,21 @@ #define REG_BCM63268_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814)) #define BCM63268_FCVO_SHIFT 21 #define BCM63268_FCVO_MASK (0xf << BCM63268_FCVO_SHIFT) +#define BCM63268_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10003000)) - ++ +#define SDRAM_CFG_REG 0x0 +#define SDRAM_SPACE_SHIFT 4 +#define SDRAM_SPACE_MASK (0xf << SDRAM_SPACE_SHIFT) @@ -70,9 +70,9 @@ Signed-off-by: Álvaro Fernández Rojas + +#define DDR_CSEND_REG 0x8 - static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; + extern bool bmips_rac_flush_disable; -@@ -76,6 +96,11 @@ struct bmips_cpufreq { +@@ -77,6 +98,11 @@ struct bmips_cpufreq { u32 (*cpu_freq)(void); }; @@ -84,7 +84,7 @@ Signed-off-by: Álvaro Fernández Rojas struct bmips_quirk { const char *compatible; void (*quirk_fn)(void); -@@ -333,9 +358,90 @@ void __init plat_time_init(void) +@@ -340,9 +366,90 @@ void __init plat_time_init(void) mips_hpt_frequency = freq; } @@ -175,7 +175,7 @@ Signed-off-by: Álvaro Fernández Rojas const struct bmips_quirk *q; set_io_port_base(0); -@@ -353,6 +459,18 @@ void __init plat_mem_setup(void) +@@ -360,6 +467,18 @@ void __init plat_mem_setup(void) __dt_setup_arch(dtb); diff --git a/target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch b/target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch deleted file mode 100644 index 3c5501209b..0000000000 --- a/target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch +++ /dev/null @@ -1,100 +0,0 @@ -From f48c93e4c4b5dbad1c0fbd623fd68f55f1667527 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Fri, 10 Mar 2023 13:05:10 +0100 -Subject: [PATCH] mips: bmips: BCM6358: disable arch_sync_dma_for_cpu_all() for - TP1 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -arch_sync_dma_for_cpu_all() causes kernel panics on BCM6358 with EHCI/OHCI: -[ 3.881739] usb 1-1: new high-speed USB device number 2 using ehci-platform -[ 3.895011] Reserved instruction in kernel code[#1]: -[ 3.900113] CPU: 0 PID: 1 Comm: init Not tainted 5.10.16 #0 -[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060 -[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0 -[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000 -[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa -[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470 -[ 3.932848] $20 : 00000000 00000000 55590000 77d70000 -[ 3.938251] $24 : 00000018 00000010 -[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc -[ 3.949058] Hi : 00000000 -[ 3.952013] Lo : 00000000 -[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c -[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c -[ 3.965913] Status: 10008703 KERNEL EXL IE -[ 3.970216] Cause : 00800028 (ExcCode 0a) -[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350) -[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common -[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8) -[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470 -[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74 -[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003 -[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000 -[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000 -[ 4.044196] ... -[ 4.046706] Call Trace: -[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c -[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124 -[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288 -[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18 -[ 4.069036] -[ 4.070538] Code: 8fc300b4 00001025 26240008 ac830004 3c048063 0c0228aa 24846a00 26240010 -[ 4.080686] -[ 4.082517] ---[ end trace 22a8edb41f5f983b ]--- -[ 4.087374] Kernel panic - not syncing: Fatal exception -[ 4.092753] Rebooting in 1 seconds.. - -This only happens when booting from TP1 instead of TP0. - -Signed-off-by: Álvaro Fernández Rojas ---- - arch/mips/bmips/dma.c | 5 +++++ - arch/mips/bmips/setup.c | 9 +++++++++ - 2 files changed, 14 insertions(+) - ---- a/arch/mips/bmips/dma.c -+++ b/arch/mips/bmips/dma.c -@@ -64,11 +64,16 @@ phys_addr_t dma_to_phys(struct device *d - return dma_addr; - } - -+int bmips_dma_sync_disable = 0; -+ - void arch_sync_dma_for_cpu_all(void) - { - void __iomem *cbr = BMIPS_GET_CBR(); - u32 cfg; - -+ if (bmips_dma_sync_disable) -+ return; -+ - if (boot_cpu_type() != CPU_BMIPS3300 && - boot_cpu_type() != CPU_BMIPS4350 && - boot_cpu_type() != CPU_BMIPS4380) ---- a/arch/mips/bmips/setup.c -+++ b/arch/mips/bmips/setup.c -@@ -89,6 +89,8 @@ - - #define DDR_CSEND_REG 0x8 - -+extern int bmips_dma_sync_disable; -+ - static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; - - struct bmips_cpufreq { -@@ -168,6 +170,13 @@ static void bcm6358_quirks(void) - * disable SMP for now - */ - bmips_smp_enabled = 0; -+ -+ /* -+ * ARCH_HAS_SYNC_DMA_FOR_CPU_ALL causes kernel panics on BCM6358 when -+ * booting from TP1 -+ */ -+ if (read_c0_brcm_cmt_local() & (1 << 31)) -+ bmips_dma_sync_disable = 1; - } - - static void bcm6368_quirks(void) diff --git a/target/linux/bmips/patches-5.15/220-mips-bmips-tweak-Kconfig-options.patch b/target/linux/bmips/patches-5.15/202-mips-bmips-tweak-Kconfig-options.patch similarity index 100% rename from target/linux/bmips/patches-5.15/220-mips-bmips-tweak-Kconfig-options.patch rename to target/linux/bmips/patches-5.15/202-mips-bmips-tweak-Kconfig-options.patch diff --git a/target/linux/bmips/patches-5.15/210-irqchip-bcm-6345-l1-request-memory-region.patch b/target/linux/bmips/patches-5.15/210-irqchip-bcm-6345-l1-request-memory-region.patch deleted file mode 100644 index 7db38f294f..0000000000 --- a/target/linux/bmips/patches-5.15/210-irqchip-bcm-6345-l1-request-memory-region.patch +++ /dev/null @@ -1,38 +0,0 @@ -From b5c07b7bceed9287647697408423acd08f97db73 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Thu, 16 Mar 2023 18:42:41 +0100 -Subject: [PATCH] irqchip/bcm-6345-l1: request memory region -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Request memory region in order to display it in /proc/iomem. -Also stop printing the MMIO address since it just displays (ptrval). - -Signed-off-by: Álvaro Fernández Rojas ---- - drivers/irqchip/irq-bcm6345-l1.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - ---- a/drivers/irqchip/irq-bcm6345-l1.c -+++ b/drivers/irqchip/irq-bcm6345-l1.c -@@ -261,6 +261,9 @@ static int __init bcm6345_l1_init_one(st - if (!cpu->map_base) - return -ENOMEM; - -+ if (!request_mem_region(res.start, sz, res.name)) -+ pr_err("Failed to request intc memory"); -+ - for (i = 0; i < n_words; i++) { - cpu->enable_cache[i] = 0; - __raw_writel(0, cpu->map_base + reg_enable(intc, i)); -@@ -339,8 +342,7 @@ static int __init bcm6345_l1_of_init(str - for_each_cpu(idx, &intc->cpumask) { - struct bcm6345_l1_cpu *cpu = intc->cpus[idx]; - -- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx, -- cpu->map_base, cpu->parent_irq); -+ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq); - } - - return 0; diff --git a/target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch b/target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch deleted file mode 100644 index 375f391ba8..0000000000 --- a/target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch +++ /dev/null @@ -1,27 +0,0 @@ -From dadd7a1aa1eaebd5a03dee933c9051eae3724f00 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Thu, 9 Mar 2023 19:18:07 +0100 -Subject: [PATCH] net: dsa: b53: mmap: fix device tree support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -CPU port should also be enabled in order to get a working switch. - -Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support") -Signed-off-by: Álvaro Fernández Rojas ---- - drivers/net/dsa/b53/b53_mmap.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/net/dsa/b53/b53_mmap.c -+++ b/drivers/net/dsa/b53/b53_mmap.c -@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat - if (of_property_read_u32(of_port, "reg", ®)) - continue; - -- if (reg < B53_CPU_PORT) -+ if (reg < B53_N_PORTS) - pdata->enabled_ports |= BIT(reg); - } - diff --git a/target/linux/bmips/patches-5.15/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch b/target/linux/bmips/patches-5.15/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch deleted file mode 100644 index e16041b919..0000000000 --- a/target/linux/bmips/patches-5.15/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch +++ /dev/null @@ -1,72 +0,0 @@ -From 32cf73d8c6485b7b97aca7e377a68436d09b7022 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Sun, 14 Mar 2021 20:03:44 +0100 -Subject: [PATCH] net: dsa: b53: add support for BCM63xx RGMIIs -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Álvaro Fernández Rojas ---- - drivers/net/dsa/b53/b53_common.c | 37 ++++++++++++++++++++++++++++++++ - 1 file changed, 37 insertions(+) - ---- a/drivers/net/dsa/b53/b53_common.c -+++ b/drivers/net/dsa/b53/b53_common.c -@@ -1209,6 +1209,36 @@ static void b53_force_port_config(struct - b53_write8(dev, B53_CTRL_PAGE, off, reg); - } - -+static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port, -+ phy_interface_t interface) -+{ -+ struct b53_device *dev = ds->priv; -+ u8 rgmii_ctrl = 0, off; -+ -+ if (port == 8) -+ off = B53_RGMII_CTRL_IMP; -+ else -+ off = B53_RGMII_CTRL_P(port); -+ -+ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl); -+ -+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC); -+ if (interface == PHY_INTERFACE_MODE_RGMII_ID) -+ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC); -+ else if (interface == PHY_INTERFACE_MODE_RGMII_RXID) -+ rgmii_ctrl |= RGMII_CTRL_DLL_RXC; -+ else if (interface == PHY_INTERFACE_MODE_RGMII_TXID) -+ rgmii_ctrl |= RGMII_CTRL_DLL_TXC; -+ -+ if (port != B53_CPU_PORT) -+ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII; -+ -+ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); -+ -+ dev_info(ds->dev, "Configured port %d for %s\n", port, -+ phy_modes(interface)); -+} -+ - static void b53_adjust_link(struct dsa_switch *ds, int port, - struct phy_device *phydev) - { -@@ -1235,6 +1265,9 @@ static void b53_adjust_link(struct dsa_s - tx_pause, rx_pause); - b53_force_link(dev, port, phydev->link); - -+ if (is63xx(dev)) -+ b53_adjust_63xx_rgmii(ds, port, phydev->interface); -+ - if (is531x5(dev) && phy_interface_is_rgmii(phydev)) { - if (port == dev->imp_port) - off = B53_RGMII_CTRL_IMP; -@@ -1419,6 +1452,9 @@ void b53_phylink_mac_link_up(struct dsa_ - { - struct b53_device *dev = ds->priv; - -+ if (is63xx(dev) && port >= 4) -+ b53_adjust_63xx_rgmii(ds, port, interface); -+ - if (mode == MLO_AN_PHY) - return; - diff --git a/target/linux/generic/pending-5.15/350-mips-bmips-BCM6358-disable-RAC-flush-for-TP1.patch b/target/linux/generic/pending-5.15/350-mips-bmips-BCM6358-disable-RAC-flush-for-TP1.patch new file mode 100644 index 0000000000..1941b853cc --- /dev/null +++ b/target/linux/generic/pending-5.15/350-mips-bmips-BCM6358-disable-RAC-flush-for-TP1.patch @@ -0,0 +1,180 @@ +From patchwork Fri Mar 17 10:20:04 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + +X-Patchwork-Id: 13178815 +Return-Path: +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id 583F3C6FD1D + for ; 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+ Fri, 17 Mar 2023 03:20:09 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + 1-20020a05600c234100b003e00c453447sm7336512wmq.48.2023.03.17.03.20.08 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Fri, 17 Mar 2023 03:20:09 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, jonas.gorski@gmail.com, + bcm-kernel-feedback-list@broadcom.com, tsbogend@alpha.franken.de, + linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH v3] mips: bmips: BCM6358: disable RAC flush for TP1 +Date: Fri, 17 Mar 2023 11:20:04 +0100 +Message-Id: <20230317102004.235879-1-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230316180518.783613-1-noltari@gmail.com> +References: <20230316180518.783613-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: linux-mips@vger.kernel.org + +RAC flush causes kernel panics on BCM6358 with EHCI/OHCI when booting from TP1: +[ 3.881739] usb 1-1: new high-speed USB device number 2 using ehci-platform +[ 3.895011] Reserved instruction in kernel code[#1]: +[ 3.900113] CPU: 0 PID: 1 Comm: init Not tainted 5.10.16 #0 +[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060 +[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0 +[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000 +[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa +[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470 +[ 3.932848] $20 : 00000000 00000000 55590000 77d70000 +[ 3.938251] $24 : 00000018 00000010 +[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc +[ 3.949058] Hi : 00000000 +[ 3.952013] Lo : 00000000 +[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c +[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c +[ 3.965913] Status: 10008703 KERNEL EXL IE +[ 3.970216] Cause : 00800028 (ExcCode 0a) +[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350) +[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common +[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8) +[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470 +[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74 +[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003 +[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000 +[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000 +[ 4.044196] ... +[ 4.046706] Call Trace: +[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c +[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124 +[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288 +[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18 +[ 4.069036] +[ 4.070538] Code: 8fc300b4 00001025 26240008 ac830004 3c048063 0c0228aa 24846a00 26240010 +[ 4.080686] +[ 4.082517] ---[ end trace 22a8edb41f5f983b ]--- +[ 4.087374] Kernel panic - not syncing: Fatal exception +[ 4.092753] Rebooting in 1 seconds.. + +Because the bootloader (CFE) is not initializing the Read-ahead cache properly +on the second thread (TP1). Since the RAC was not initialized properly, we +should avoid flushing it at the risk of corrupting the instruction stream as +seen in the trace above. + +Signed-off-by: Álvaro Fernández Rojas +--- + v3: add changes suggested by Florian: + - Switch to a bool and remove unneeded initialization. + - Remove if from bcm6358_quirks(). + - Improve commit description and bcm6358_quirks() comment. + v2: check if we're running on TP1 and invert logic. + + arch/mips/bmips/dma.c | 5 +++++ + arch/mips/bmips/setup.c | 8 ++++++++ + 2 files changed, 13 insertions(+) + +--- a/arch/mips/bmips/dma.c ++++ b/arch/mips/bmips/dma.c +@@ -64,6 +64,8 @@ phys_addr_t dma_to_phys(struct device *d + return dma_addr; + } + ++bool bmips_rac_flush_disable; ++ + void arch_sync_dma_for_cpu_all(void) + { + void __iomem *cbr = BMIPS_GET_CBR(); +@@ -74,6 +76,9 @@ void arch_sync_dma_for_cpu_all(void) + boot_cpu_type() != CPU_BMIPS4380) + return; + ++ if (unlikely(bmips_rac_flush_disable)) ++ return; ++ + /* Flush stale data out of the readahead cache */ + cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); +--- a/arch/mips/bmips/setup.c ++++ b/arch/mips/bmips/setup.c +@@ -34,6 +34,8 @@ + #define REG_BCM6328_OTP ((void __iomem *)CKSEG1ADDR(0x1000062c)) + #define BCM6328_TP1_DISABLED BIT(9) + ++extern bool bmips_rac_flush_disable; ++ + static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; + + struct bmips_quirk { +@@ -103,6 +105,12 @@ static void bcm6358_quirks(void) + * disable SMP for now + */ + bmips_smp_enabled = 0; ++ ++ /* ++ * RAC flush causes kernel panics on BCM6358 when booting from TP1 ++ * because the bootloader is not initializing it properly. ++ */ ++ bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31)); + } + + static void bcm6368_quirks(void) diff --git a/target/linux/generic/pending-5.15/351-irqchip-bcm-6345-l1-request-memory-region.patch b/target/linux/generic/pending-5.15/351-irqchip-bcm-6345-l1-request-memory-region.patch new file mode 100644 index 0000000000..9fad4f62c6 --- /dev/null +++ b/target/linux/generic/pending-5.15/351-irqchip-bcm-6345-l1-request-memory-region.patch @@ -0,0 +1,113 @@ +From patchwork Thu Mar 16 19:28:33 2023 +Content-Type: text/plain; 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+ Thu, 16 Mar 2023 12:28:35 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, jonas.gorski@gmail.com, + bcm-kernel-feedback-list@broadcom.com, tglx@linutronix.de, + maz@kernel.org, linux-mips@vger.kernel.org, + linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH v2] irqchip/bcm-6345-l1: request memory region +Date: Thu, 16 Mar 2023 20:28:33 +0100 +Message-Id: <20230316192833.1603149-1-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230316180701.783785-1-noltari@gmail.com> +References: <20230316180701.783785-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: linux-mips@vger.kernel.org + +Request memory region in order to display it in /proc/iomem. +Also stop printing the MMIO address since it just displays (ptrval). + +Signed-off-by: Álvaro Fernández Rojas +Acked-by: Florian Fainelli +--- + v2: request memory region and stop displaying MMIO address. + + drivers/irqchip/irq-bcm6345-l1.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +--- a/drivers/irqchip/irq-bcm6345-l1.c ++++ b/drivers/irqchip/irq-bcm6345-l1.c +@@ -261,6 +261,9 @@ static int __init bcm6345_l1_init_one(st + if (!cpu->map_base) + return -ENOMEM; + ++ if (!request_mem_region(res.start, sz, res.name)) ++ pr_err("failed to request intc memory"); ++ + for (i = 0; i < n_words; i++) { + cpu->enable_cache[i] = 0; + __raw_writel(0, cpu->map_base + reg_enable(intc, i)); +@@ -339,8 +342,7 @@ static int __init bcm6345_l1_of_init(str + for_each_cpu(idx, &intc->cpumask) { + struct bcm6345_l1_cpu *cpu = intc->cpus[idx]; + +- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx, +- cpu->map_base, cpu->parent_irq); ++ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq); + } + + return 0; diff --git a/target/linux/generic/pending-5.15/770-net-dsa-b53-mmap-fix-device-tree-support.patch b/target/linux/generic/pending-5.15/770-net-dsa-b53-mmap-fix-device-tree-support.patch new file mode 100644 index 0000000000..50db56af27 --- /dev/null +++ b/target/linux/generic/pending-5.15/770-net-dsa-b53-mmap-fix-device-tree-support.patch @@ -0,0 +1,104 @@ +From patchwork Thu Mar 16 17:28:07 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + +X-Patchwork-Id: 13178135 +X-Patchwork-Delegate: kuba@kernel.org +Return-Path: +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id 9F385C6FD19 + for ; 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+ Thu, 16 Mar 2023 10:29:02 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + n7-20020a5d4847000000b002c5d3f0f737sm7719124wrs.30.2023.03.16.10.29.01 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Thu, 16 Mar 2023 10:29:01 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch, + olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, + kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, + linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH v2] net: dsa: b53: mmap: fix device tree support +Date: Thu, 16 Mar 2023 18:28:07 +0100 +Message-Id: <20230316172807.460146-1-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230310121059.4498-1-noltari@gmail.com> +References: <20230310121059.4498-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +CPU port should also be enabled in order to get a working switch. + +Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support") +Signed-off-by: Álvaro Fernández Rojas +Acked-by: Florian Fainelli +--- + v2: switch to B53_N_PORTS + + drivers/net/dsa/b53/b53_mmap.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_mmap.c ++++ b/drivers/net/dsa/b53/b53_mmap.c +@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat + if (of_property_read_u32(of_port, "reg", ®)) + continue; + +- if (reg < B53_CPU_PORT) ++ if (reg < B53_N_PORTS) + pdata->enabled_ports |= BIT(reg); + } + diff --git a/target/linux/generic/pending-5.15/771-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch b/target/linux/generic/pending-5.15/771-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch new file mode 100644 index 0000000000..6c79bffdf4 --- /dev/null +++ b/target/linux/generic/pending-5.15/771-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch @@ -0,0 +1,140 @@ +From patchwork Sun Mar 19 09:55:40 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + +X-Patchwork-Id: 13180301 +X-Patchwork-Delegate: kuba@kernel.org +Return-Path: +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id 59CF8C7618A + for ; 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+ Sun, 19 Mar 2023 02:55:47 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + i26-20020a1c541a000000b003ed246f76a2sm13390609wmb.1.2023.03.19.02.55.46 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Sun, 19 Mar 2023 02:55:47 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: andrew@lunn.ch, f.fainelli@gmail.com, jonas.gorski@gmail.com, + olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, + kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, + linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= , + Michal Swiatkowski +Subject: [PATCH v2] net: dsa: tag_brcm: legacy: fix daisy-chained switches +Date: Sun, 19 Mar 2023 10:55:40 +0100 +Message-Id: <20230319095540.239064-1-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230317120815.321871-1-noltari@gmail.com> +References: <20230317120815.321871-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +When BCM63xx internal switches are connected to switches with a 4-byte +Broadcom tag, it does not identify the packet as VLAN tagged, so it adds one +based on its PVID (which is likely 0). +Right now, the packet is received by the BCM63xx internal switch and the 6-byte +tag is properly processed. The next step would to decode the corresponding +4-byte tag. However, the internal switch adds an invalid VLAN tag after the +6-byte tag and the 4-byte tag handling fails. +In order to fix this we need to remove the invalid VLAN tag after the 6-byte +tag before passing it to the 4-byte tag decoding. + +Fixes: 964dbf186eaa ("net: dsa: tag_brcm: add support for legacy tags") +Signed-off-by: Álvaro Fernández Rojas +Reviewed-by: Michal Swiatkowski +--- + v2: add missing fixes tag. + + net/dsa/tag_brcm.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +--- a/net/dsa/tag_brcm.c ++++ b/net/dsa/tag_brcm.c +@@ -7,6 +7,7 @@ + + #include + #include ++#include + #include + #include + +@@ -248,6 +249,7 @@ static struct sk_buff *brcm_leg_tag_xmit + static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb, + struct net_device *dev) + { ++ int len = BRCM_LEG_TAG_LEN; + int source_port; + u8 *brcm_tag; + +@@ -262,12 +264,16 @@ static struct sk_buff *brcm_leg_tag_rcv( + if (!skb->dev) + return NULL; + ++ /* VLAN tag is added by BCM63xx internal switch */ ++ if (netdev_uses_dsa(skb->dev)) ++ len += VLAN_HLEN; ++ + /* Remove Broadcom tag and update checksum */ +- skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN); ++ skb_pull_rcsum(skb, len); + + dsa_default_offload_fwd_mark(skb); + +- dsa_strip_etype_header(skb, BRCM_LEG_TAG_LEN); ++ dsa_strip_etype_header(skb, len); + + return skb; + } diff --git a/target/linux/generic/pending-5.15/772-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch b/target/linux/generic/pending-5.15/772-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch new file mode 100644 index 0000000000..9e130e47d2 --- /dev/null +++ b/target/linux/generic/pending-5.15/772-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch @@ -0,0 +1,174 @@ +From patchwork Sun Mar 19 22:08:05 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + +X-Patchwork-Id: 13180645 +X-Patchwork-Delegate: kuba@kernel.org +Return-Path: +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id A7A46C6FD1F + for ; 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+ Sun, 19 Mar 2023 15:08:08 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + d6-20020a5d6dc6000000b002c53f6c7599sm7354727wrz.29.2023.03.19.15.08.07 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Sun, 19 Mar 2023 15:08:07 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch, + olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, + kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, + linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH v2] net: dsa: b53: add support for BCM63xx RGMIIs +Date: Sun, 19 Mar 2023 23:08:05 +0100 +Message-Id: <20230319220805.124024-1-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230319183330.761251-1-noltari@gmail.com> +References: <20230319183330.761251-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +BCM63xx RGMII ports require additional configuration in order to work. + +Signed-off-by: Álvaro Fernández Rojas +Reviewed-by: Andrew Lunn +--- + v2: add changes suggested by Andrew: + - Use a switch statement. + - Use dev_dbg() instead of dev_info(). + + drivers/net/dsa/b53/b53_common.c | 46 ++++++++++++++++++++++++++++++++ + drivers/net/dsa/b53/b53_priv.h | 1 + + 2 files changed, 47 insertions(+) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1209,6 +1209,46 @@ static void b53_force_port_config(struct + b53_write8(dev, B53_CTRL_PAGE, off, reg); + } + ++static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port, ++ phy_interface_t interface) ++{ ++ struct b53_device *dev = ds->priv; ++ u8 rgmii_ctrl = 0, off; ++ ++ if (port == dev->imp_port) ++ off = B53_RGMII_CTRL_IMP; ++ else ++ off = B53_RGMII_CTRL_P(port); ++ ++ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl); ++ ++ switch (interface) { ++ case PHY_INTERFACE_MODE_RGMII_ID: ++ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC); ++ break; ++ case PHY_INTERFACE_MODE_RGMII_RXID: ++ rgmii_ctrl &= ~(RGMII_CTRL_DLL_TXC); ++ rgmii_ctrl |= RGMII_CTRL_DLL_RXC; ++ break; ++ case PHY_INTERFACE_MODE_RGMII_TXID: ++ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC); ++ rgmii_ctrl |= RGMII_CTRL_DLL_TXC; ++ break; ++ case PHY_INTERFACE_MODE_RGMII: ++ default: ++ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC); ++ break; ++ } ++ ++ if (port != dev->imp_port) ++ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII; ++ ++ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); ++ ++ dev_dbg(ds->dev, "Configured port %d for %s\n", port, ++ phy_modes(interface)); ++} ++ + static void b53_adjust_link(struct dsa_switch *ds, int port, + struct phy_device *phydev) + { +@@ -1235,6 +1275,9 @@ static void b53_adjust_link(struct dsa_s + tx_pause, rx_pause); + b53_force_link(dev, port, phydev->link); + ++ if (is63xx(dev) && port >= B53_63XX_RGMII0) ++ b53_adjust_63xx_rgmii(ds, port, phydev->interface); ++ + if (is531x5(dev) && phy_interface_is_rgmii(phydev)) { + if (port == dev->imp_port) + off = B53_RGMII_CTRL_IMP; +@@ -1396,6 +1439,9 @@ void b53_phylink_mac_link_down(struct ds + { + struct b53_device *dev = ds->priv; + ++ if (is63xx(dev) && port >= B53_63XX_RGMII0) ++ b53_adjust_63xx_rgmii(ds, port, interface); ++ + if (mode == MLO_AN_PHY) + return; + +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -206,6 +206,7 @@ static inline int is58xx(struct b53_devi + dev->chip_id == BCM7278_DEVICE_ID; + } + ++#define B53_63XX_RGMII0 4 + #define B53_CPU_PORT_25 5 + #define B53_CPU_PORT 8 + diff --git a/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-BCM63xx-SoCs.patch b/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-BCM63xx-SoCs.patch new file mode 100644 index 0000000000..8bbf4c8e7d --- /dev/null +++ b/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-BCM63xx-SoCs.patch @@ -0,0 +1,105 @@ +From patchwork Mon Mar 20 15:50:22 2023 +Content-Type: text/plain; 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+ Mon, 20 Mar 2023 08:50:30 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com, + davem@davemloft.net, edumazet@google.com, kuba@kernel.org, + pabeni@redhat.com, robh+dt@kernel.org, + krzysztof.kozlowski+dt@linaro.org, netdev@vger.kernel.org, + devicetree@vger.kernel.org, linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH 2/4] net: dsa: b53: mmap: add more BCM63xx SoCs +Date: Mon, 20 Mar 2023 16:50:22 +0100 +Message-Id: <20230320155024.164523-3-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230320155024.164523-1-noltari@gmail.com> +References: <20230320155024.164523-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +BCM6318, BCM6362 and BCM63268 are SoCs with a B53 MMAP switch. + +Signed-off-by: Álvaro Fernández Rojas +--- + drivers/net/dsa/b53/b53_mmap.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/dsa/b53/b53_mmap.c ++++ b/drivers/net/dsa/b53/b53_mmap.c +@@ -333,8 +333,11 @@ static void b53_mmap_shutdown(struct pla + + static const struct of_device_id b53_mmap_of_table[] = { + { .compatible = "brcm,bcm3384-switch" }, ++ { .compatible = "brcm,bcm6318-switch" }, + { .compatible = "brcm,bcm6328-switch" }, ++ { .compatible = "brcm,bcm6362-switch" }, + { .compatible = "brcm,bcm6368-switch" }, ++ { .compatible = "brcm,bcm63268-switch" }, + { .compatible = "brcm,bcm63xx-switch" }, + { /* sentinel */ }, + }; diff --git a/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch b/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch new file mode 100644 index 0000000000..4581144dc9 --- /dev/null +++ b/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch @@ -0,0 +1,166 @@ +From patchwork Mon Mar 20 15:50:23 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + +X-Patchwork-Id: 13181525 +X-Patchwork-Delegate: kuba@kernel.org +Return-Path: +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id AA605C7618D + for ; Mon, 20 Mar 2023 16:00:42 +0000 (UTC) +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S233060AbjCTQAk (ORCPT ); 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+ Mon, 20 Mar 2023 08:50:32 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + 3-20020a05600c020300b003eddefd8792sm4812333wmi.14.2023.03.20.08.50.30 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Mon, 20 Mar 2023 08:50:31 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com, + davem@davemloft.net, edumazet@google.com, kuba@kernel.org, + pabeni@redhat.com, robh+dt@kernel.org, + krzysztof.kozlowski+dt@linaro.org, netdev@vger.kernel.org, + devicetree@vger.kernel.org, linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH 3/4] net: dsa: b53: mmap: allow passing a chip ID +Date: Mon, 20 Mar 2023 16:50:23 +0100 +Message-Id: <20230320155024.164523-4-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230320155024.164523-1-noltari@gmail.com> +References: <20230320155024.164523-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +BCM63268 SoCs require a special handling for their RGMIIs, so we should be +able to identify them as a special BCM63xx switch. + +Signed-off-by: Álvaro Fernández Rojas +--- + drivers/net/dsa/b53/b53_mmap.c | 32 +++++++++++++++++++++++--------- + drivers/net/dsa/b53/b53_priv.h | 9 ++++++++- + 2 files changed, 31 insertions(+), 10 deletions(-) + +--- a/drivers/net/dsa/b53/b53_mmap.c ++++ b/drivers/net/dsa/b53/b53_mmap.c +@@ -248,7 +248,7 @@ static int b53_mmap_probe_of(struct plat + return -ENOMEM; + + pdata->regs = mem; +- pdata->chip_id = BCM63XX_DEVICE_ID; ++ pdata->chip_id = (u32)device_get_match_data(dev); + pdata->big_endian = of_property_read_bool(np, "big-endian"); + + of_ports = of_get_child_by_name(np, "ports"); +@@ -332,14 +332,28 @@ static void b53_mmap_shutdown(struct pla + } + + static const struct of_device_id b53_mmap_of_table[] = { +- { .compatible = "brcm,bcm3384-switch" }, +- { .compatible = "brcm,bcm6318-switch" }, +- { .compatible = "brcm,bcm6328-switch" }, +- { .compatible = "brcm,bcm6362-switch" }, +- { .compatible = "brcm,bcm6368-switch" }, +- { .compatible = "brcm,bcm63268-switch" }, +- { .compatible = "brcm,bcm63xx-switch" }, +- { /* sentinel */ }, ++ { ++ .compatible = "brcm,bcm3384-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm6318-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm6328-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm6362-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm6368-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm63268-switch", ++ .data = (void *)BCM63268_DEVICE_ID, ++ }, { ++ .compatible = "brcm,bcm63xx-switch", ++ .data = (void *)BCM63XX_DEVICE_ID, ++ }, { /* sentinel */ } + }; + MODULE_DEVICE_TABLE(of, b53_mmap_of_table); + +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -75,6 +75,7 @@ enum { + BCM53125_DEVICE_ID = 0x53125, + BCM53128_DEVICE_ID = 0x53128, + BCM63XX_DEVICE_ID = 0x6300, ++ BCM63268_DEVICE_ID = 0x63268, + BCM53010_DEVICE_ID = 0x53010, + BCM53011_DEVICE_ID = 0x53011, + BCM53012_DEVICE_ID = 0x53012, +@@ -186,7 +187,13 @@ static inline int is531x5(struct b53_dev + + static inline int is63xx(struct b53_device *dev) + { +- return dev->chip_id == BCM63XX_DEVICE_ID; ++ return dev->chip_id == BCM63XX_DEVICE_ID || ++ dev->chip_id == BCM63268_DEVICE_ID; ++} ++ ++static inline int is63268(struct b53_device *dev) ++{ ++ return dev->chip_id == BCM63268_DEVICE_ID; + } + + static inline int is5301x(struct b53_device *dev) diff --git a/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch b/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch new file mode 100644 index 0000000000..213357bfc5 --- /dev/null +++ b/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch @@ -0,0 +1,117 @@ +From patchwork Mon Mar 20 15:50:24 2023 +Content-Type: text/plain; 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+ Mon, 20 Mar 2023 08:50:32 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com, + davem@davemloft.net, edumazet@google.com, kuba@kernel.org, + pabeni@redhat.com, robh+dt@kernel.org, + krzysztof.kozlowski+dt@linaro.org, netdev@vger.kernel.org, + devicetree@vger.kernel.org, linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= +Subject: [PATCH 4/4] net: dsa: b53: add BCM63268 RGMII configuration +Date: Mon, 20 Mar 2023 16:50:24 +0100 +Message-Id: <20230320155024.164523-5-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230320155024.164523-1-noltari@gmail.com> +References: <20230320155024.164523-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +BCM63268 requires special RGMII configuration to work. + +Signed-off-by: Álvaro Fernández Rojas +--- + drivers/net/dsa/b53/b53_common.c | 6 +++++- + drivers/net/dsa/b53/b53_regs.h | 1 + + 2 files changed, 6 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct + break; + } + +- if (port != dev->imp_port) ++ if (port != dev->imp_port) { ++ if (is63268(dev)) ++ rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE; ++ + rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII; ++ } + + b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); + +--- a/drivers/net/dsa/b53/b53_regs.h ++++ b/drivers/net/dsa/b53/b53_regs.h +@@ -138,6 +138,7 @@ + + #define B53_RGMII_CTRL_IMP 0x60 + #define RGMII_CTRL_ENABLE_GMII BIT(7) ++#define RGMII_CTRL_MII_OVERRIDE BIT(6) + #define RGMII_CTRL_TIMING_SEL BIT(2) + #define RGMII_CTRL_DLL_RXC BIT(1) + #define RGMII_CTRL_DLL_TXC BIT(0) -- 2.30.2