[U-Boot] [PATCH v2] armv8: fsl-lsch3: Conditionally Remove errata a0009203 from lsch3 init

Ashish Kumar Ashish.Kumar at nxp.com
Thu Feb 23 10:33:57 UTC 2017


 This i2c errata is only valid for LS2080A and its variants,
 namely LS2080A, LS2085A and LS2088A

Signed-off-by: Ashish Kumar <Ashish.Kumar at nxp.com>
---
v2:
 Change Descristion to make it more specific about impacted SoC

 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 64fae17..29bc756 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -72,6 +72,7 @@ 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
 
@@ -279,6 +280,9 @@ config SYS_FSL_SDHC_CLK_DIV
 	  clock, in another word SDHC_clk = Platform_clk / this_divider.
 endmenu
 
+config SYS_FSL_ERRATUM_A009203
+	bool
+
 config SYS_FSL_ERRATUM_A008336
 	bool
 
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index d64fe7b..1e95540 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -153,6 +153,7 @@ 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;
@@ -179,6 +180,7 @@ static void erratum_a009203(void)
 #endif
 #endif
 }
+#endif
 
 void bypass_smmu(void)
 {
@@ -192,7 +194,9 @@ 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
-- 
1.9.1



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