diff options
Diffstat (limited to 'target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch')
| -rw-r--r-- | target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch | 100 |
1 files changed, 0 insertions, 100 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 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?= <noltari@gmail.com> -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 <ac820000> 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 <noltari@gmail.com> ---- - 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) |