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armv8/ls1043: Add workaround for DDR erratum A-008850

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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 <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Shengzhou Liu 2016-04-07 16:22:21 +08:00 • committed by York Sun
parent aeaec0e682
commit 074596c0b5
9 changed files with 49 additions and 16 deletions
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4
include/fsl_ddr_sdram.h
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@ -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