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authorShengzhou Liu <Shengzhou.Liu@freescale.com>2016-01-06 11:26:51 +0800
committerYork Sun <york.sun@nxp.com>2016-01-25 08:24:14 -0800
commit0d3972cfcd6dff18d110d2ee01ad99e3623bfd45 (patch)
treecf44538dad352ebcedef94d99a03c432f6d736e8 /arch/arm
parent12f229ea8f6c8e20f8fd07906eafc853c4c354a9 (diff)
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fsl/ddr: Add workaround for ERRATUM_A009942
During the receive data training, the DDRC may complete on a non-optimal setting that could lead to data corruption or initialization failure. Workaround: before setting MEM_EN, set DEBUG_29 register with specific value for different data rates. Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/arch-fsl-layerscape/config.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h
index 49b113d..83a207c 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/config.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h
@@ -118,6 +118,7 @@
#define CONFIG_SYS_FSL_ERRATUM_A008585
#define CONFIG_SYS_FSL_ERRATUM_A008751
#define CONFIG_SYS_FSL_ERRATUM_A009635
+#define CONFIG_SYS_FSL_ERRATUM_A009942
#elif defined(CONFIG_LS1043A)
#define CONFIG_MAX_CPUS 4
#define CONFIG_SYS_CACHELINE_SIZE 64