From dd48f0bfb5d44475481f2808338b90848d4a01e7 Mon Sep 17 00:00:00 2001
From: Ashish kumar <Ashish.kumar@nxp.com>
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 <Ashish.Kumar@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
---
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