From dd48f0bfb5d44475481f2808338b90848d4a01e7 Mon Sep 17 00:00:00 2001 From: Ashish kumar Date: Thu, 23 Feb 2017 16:03:57 +0530 Subject: [PATCH] armv8: fsl-lsch3: Conditionally apply workaround for erratum a0009203 This i2c errata only applies to LS2080A and its variants, namely LS2080A, LS2085A and LS2088A. Signed-off-by: Ashish Kumar Reviewed-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 4 ++++ arch/arm/cpu/armv8/fsl-layerscape/soc.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index a99b1c6a99..8edbf4d267 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -73,6 +73,7 @@ config ARCH_LS2080A select SYS_FSL_ERRATUM_A009803 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_A010165 + select SYS_FSL_ERRATUM_A009203 select ARCH_EARLY_INIT_R select BOARD_EARLY_INIT_F @@ -307,6 +308,9 @@ config SYS_FSL_ERRATUM_A008585 config SYS_FSL_ERRATUM_A008850 bool +config SYS_FSL_ERRATUM_A009203 + bool + config SYS_FSL_ERRATUM_A009635 bool diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index b54a937971..9e3cdd78af 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -152,6 +152,7 @@ static void erratum_rcw_src(void) * This erratum requires setting glitch_en bit to enable * digital glitch filter to improve clock stability. */ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009203 static void erratum_a009203(void) { u8 __iomem *ptr; @@ -178,6 +179,7 @@ static void erratum_a009203(void) #endif #endif } +#endif void bypass_smmu(void) { @@ -191,7 +193,9 @@ void fsl_lsch3_early_init_f(void) { erratum_rcw_src(); init_early_memctl_regs(); /* tighten IFC timing */ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009203 erratum_a009203(); +#endif erratum_a008514(); erratum_a008336(); #ifdef CONFIG_CHAIN_OF_TRUST -- 2.39.5