From 074596c0b5f4e9a3642a3159a9fc7f8b8064c18a Mon Sep 17 00:00:00 2001 From: Shengzhou Liu Date: Thu, 7 Apr 2016 16:22:21 +0800 Subject: armv8/ls1043: Add workaround for DDR erratum A-008850 Barrier transactions from CCI400 need to be disabled till the DDR is configured, otherwise it may lead to system hang. The patch adds workaround to fix the erratum. Signed-off-by: Shengzhou Liu Reviewed-by: York Sun --- include/fsl_ddr_sdram.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/fsl_ddr_sdram.h') diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h index cf316a4665..44ae7fbb9c 100644 --- a/include/fsl_ddr_sdram.h +++ b/include/fsl_ddr_sdram.h @@ -146,6 +146,10 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define WR_DATA_DELAY_SHIFT 10 #endif +/* DDR_EOR register */ +#define DDR_EOR_RD_REOD_DIS 0x07000000 +#define DDR_EOR_WD_REOD_DIS 0x00100000 + /* DDR_MD_CNTL */ #define MD_CNTL_MD_EN 0x80000000 #define MD_CNTL_CS_SEL_CS0 0x00000000 -- cgit v1.2.1