Author: rmilecki Date: 2015-12-03 11:18:57 +0100 (Thu, 03 Dec 2015) New Revision: 47707
Added: trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5301X-remove-workaround-imprecise-abort-fault.patch trunk/target/linux/bcm53xx/patches-4.4/021-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch Removed: trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch Log: bcm53xx: use backported BCM5301X patches from stblinux soc/next Signed-off-by: Rafa?\197?\130 Mi?\197?\130ecki <[email protected]> Added: trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5301X-remove-workaround-imprecise-abort-fault.patch =================================================================== --- trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5301X-remove-workaround-imprecise-abort-fault.patch (rev 0) +++ trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5301X-remove-workaround-imprecise-abort-fault.patch 2015-12-03 10:18:57 UTC (rev 47707) @@ -0,0 +1,68 @@ +From 937b12306ea79044c86f2e69b3061c7279245825 Mon Sep 17 00:00:00 2001 +From: Lucas Stach <[email protected]> +Date: Thu, 15 Oct 2015 12:32:22 +0200 +Subject: [PATCH] ARM: BCM5301X: remove workaround imprecise abort fault + handler + +This is not needed anymore. Handling a potentially pending imprecise external +abort left behind by the bootloader is now done in a slightly safer way inside +the common ARM startup code. + +Signed-off-by: Lucas Stach <[email protected]> +Acked-by: Hauke Mehrtens <[email protected]> +Tested-by: Tyler Baker <[email protected]> +Signed-off-by: Florian Fainelli <[email protected]> +--- + arch/arm/mach-bcm/bcm_5301x.c | 35 ----------------------------------- + 1 file changed, 35 deletions(-) + +--- a/arch/arm/mach-bcm/bcm_5301x.c ++++ b/arch/arm/mach-bcm/bcm_5301x.c +@@ -9,40 +9,6 @@ + #include <asm/hardware/cache-l2x0.h> + + #include <asm/mach/arch.h> +-#include <asm/siginfo.h> +-#include <asm/signal.h> +- +- +-static bool first_fault = true; +- +-static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr, +- struct pt_regs *regs) +-{ +- if ((fsr == 0x1406 || fsr == 0x1c06) && first_fault) { +- first_fault = false; +- +- /* +- * These faults with codes 0x1406 (BCM4709) or 0x1c06 happens +- * for no good reason, possibly left over from the CFE boot +- * loader. +- */ +- pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n", +- addr, fsr); +- +- /* Returning non-zero causes fault display and panic */ +- return 0; +- } +- +- /* Others should cause a fault */ +- return 1; +-} +- +-static void __init bcm5301x_init_early(void) +-{ +- /* Install our hook */ +- hook_fault_code(16 + 6, bcm5301x_abort_handler, SIGBUS, BUS_OBJERR, +- "imprecise external abort"); +-} + + static const char *const bcm5301x_dt_compat[] __initconst = { + "brcm,bcm4708", +@@ -52,6 +18,5 @@ static const char *const bcm5301x_dt_compat[] __initconst = { + DT_MACHINE_START(BCM5301X, "BCM5301X") + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, +- .init_early = bcm5301x_init_early, + .dt_compat = bcm5301x_dt_compat, + MACHINE_END Deleted: trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch =================================================================== --- trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch 2015-12-03 08:36:41 UTC (rev 47706) +++ trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch 2015-12-03 10:18:57 UTC (rev 47707) @@ -1,31 +0,0 @@ -From f4ce7effe2253a325f8ba182903cbdf0d8698593 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <[email protected]> -Date: Sat, 21 Nov 2015 15:29:47 +0100 -Subject: [PATCH] ARM: BCM5310X: activate erratas needed for SoC - -The BCM4708 I have, which is probably the first generation which got -to the consumer market, is using a ARM Cortex-A9 rev r3p0 and a -L2C-310 rev r3p2 L2 cache controller. There are 3 workarounds for known -erratas in the Linux kernel which could be activated and will be in -this patch. There are currently no workarounds which have to be -activated for the L2C-310 rev r3p2 in Linux. - -Signed-off-by: Hauke Mehrtens <[email protected]> -Signed-off-by: Florian Fainelli <[email protected]> ---- - arch/arm/mach-bcm/Kconfig | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/arch/arm/mach-bcm/Kconfig -+++ b/arch/arm/mach-bcm/Kconfig -@@ -52,6 +52,10 @@ config ARCH_BCM_NSP - config ARCH_BCM_5301X - bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 - select ARCH_BCM_IPROC -+ select ARM_ERRATA_754322 -+ select ARM_ERRATA_775420 -+ select ARM_ERRATA_764369 if SMP -+ - help - Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores. - Copied: trunk/target/linux/bcm53xx/patches-4.4/021-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch (from rev 47706, trunk/target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch) =================================================================== --- trunk/target/linux/bcm53xx/patches-4.4/021-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch (rev 0) +++ trunk/target/linux/bcm53xx/patches-4.4/021-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch 2015-12-03 10:18:57 UTC (rev 47707) @@ -0,0 +1,31 @@ +From f4ce7effe2253a325f8ba182903cbdf0d8698593 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <[email protected]> +Date: Sat, 21 Nov 2015 15:29:47 +0100 +Subject: [PATCH] ARM: BCM5310X: activate erratas needed for SoC + +The BCM4708 I have, which is probably the first generation which got +to the consumer market, is using a ARM Cortex-A9 rev r3p0 and a +L2C-310 rev r3p2 L2 cache controller. There are 3 workarounds for known +erratas in the Linux kernel which could be activated and will be in +this patch. There are currently no workarounds which have to be +activated for the L2C-310 rev r3p2 in Linux. + +Signed-off-by: Hauke Mehrtens <[email protected]> +Signed-off-by: Florian Fainelli <[email protected]> +--- + arch/arm/mach-bcm/Kconfig | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/arch/arm/mach-bcm/Kconfig ++++ b/arch/arm/mach-bcm/Kconfig +@@ -52,6 +52,10 @@ config ARCH_BCM_NSP + config ARCH_BCM_5301X + bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 + select ARCH_BCM_IPROC ++ select ARM_ERRATA_754322 ++ select ARM_ERRATA_775420 ++ select ARM_ERRATA_764369 if SMP ++ + help + Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores. + _______________________________________________ openwrt-commits mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-commits
