[U-Boot] [PATCH] armv8: fsl-layerscape: Update ddr erratum a008336
Shengzhou Liu
Shengzhou.Liu at nxp.com
Fri Aug 26 12:30:38 CEST 2016
DDR erratum A008336 only applies to DDR controller v5.2.0.
DDR controller v5.2.1 already has default 0x43b30002 in
EDDRTQCR1 register for optimal performance.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu at nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index f62b78d..28928b3 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -58,11 +58,13 @@ static void erratum_a008336(void)
#ifdef CONFIG_SYS_FSL_ERRATUM_A008336
#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
- out_le32(eddrtqcr1, 0x63b30002);
+ if (fsl_ddr_get_version(0) == 0x50200)
+ out_le32(eddrtqcr1, 0x63b30002);
#endif
#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
- out_le32(eddrtqcr1, 0x63b30002);
+ if (fsl_ddr_get_version(0) == 0x50200)
+ out_le32(eddrtqcr1, 0x63b30002);
#endif
#endif
}
--
2.1.0.27.g96db324
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