diff options
Diffstat (limited to 'target/linux/bmips')
-rw-r--r-- | target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch | 44 | ||||
-rw-r--r-- | target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch | 18 |
2 files changed, 42 insertions, 20 deletions
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 index 0ed2353a50..3c5501209b 100644 --- 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 @@ -1,12 +1,13 @@ -From 84c06b4a1dfa3e021fdbcafaff8cebfdec462402 Mon Sep 17 00:00:00 2001 +From f48c93e4c4b5dbad1c0fbd623fd68f55f1667527 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> -Date: Tue, 23 Feb 2021 10:39:48 +0100 -Subject: [PATCH] mips: bmips: BCM6358: disable ARCH_HAS_SYNC_DMA_FOR_CPU_ALL +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 -Enabling this option causes kernel panics on BCM6358 with EHCI/OHCI: +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 @@ -45,27 +46,28 @@ Enabling this option causes kernel panics on BCM6358 with EHCI/OHCI: [ 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 <noltari@gmail.com> --- - arch/mips/bmips/dma.c - arch/mips/bmips/setup.c + 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 -@@ -19,6 +19,8 @@ - #include <linux/types.h> - #include <asm/bmips.h> +@@ -64,11 +64,16 @@ phys_addr_t dma_to_phys(struct device *d + return dma_addr; + } -+int bmips_dma_sync_enabled = 1; ++int bmips_dma_sync_disable = 0; + - /* - * BCM338x has configurable address translation windows which allow the - * peripherals' DMA addresses to be different from the Zephyr-visible -@@ -69,6 +71,9 @@ void arch_sync_dma_for_cpu_all(void) + void arch_sync_dma_for_cpu_all(void) + { void __iomem *cbr = BMIPS_GET_CBR(); u32 cfg; -+ if (!bmips_dma_sync_enabled) ++ if (bmips_dma_sync_disable) + return; + if (boot_cpu_type() != CPU_BMIPS3300 && @@ -77,18 +79,22 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> #define DDR_CSEND_REG 0x8 -+extern int bmips_dma_sync_enabled; ++extern int bmips_dma_sync_disable; + static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; struct bmips_cpufreq { -@@ -168,6 +170,9 @@ static void bcm6358_quirks(void) +@@ -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 */ -+ bmips_dma_sync_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-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch b/target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch index 7d1fb7105d..375f391ba8 100644 --- 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 @@ -1,3 +1,19 @@ +From dadd7a1aa1eaebd5a03dee933c9051eae3724f00 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> +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 <noltari@gmail.com> +--- + 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 @@ -5,7 +21,7 @@ continue; - if (reg < B53_CPU_PORT) -+ if (reg <= B53_CPU_PORT) ++ if (reg < B53_N_PORTS) pdata->enabled_ports |= BIT(reg); } |