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| author | York Sun <york.sun@nxp.com> | 2018-01-29 10:24:08 -0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2018-01-30 09:14:07 -0800 |
| commit | 564e9383e53b567114bd3403246c0759a6d69c50 (patch) | |
| tree | 2350bb47536eac77f3cd4c9f3f866abc345f5516 /include/fsl_ddr_dimm_params.h | |
| parent | c0c32af0b2f037e3e167c7ac82e7110ebae48fb5 (diff) | |
| download | u-boot-564e9383e53b567114bd3403246c0759a6d69c50.tar.gz u-boot-564e9383e53b567114bd3403246c0759a6d69c50.tar.xz u-boot-564e9383e53b567114bd3403246c0759a6d69c50.zip | |
drivers/ddr/fsl: Add calculation of register control words
DDR4 RDIMM has some information in SPD to be used to calculate the
control words for register chip. The rest can be found from JEDEC
spec DDR4RCD02.
Signed-off-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'include/fsl_ddr_dimm_params.h')
| -rw-r--r-- | include/fsl_ddr_dimm_params.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/fsl_ddr_dimm_params.h b/include/fsl_ddr_dimm_params.h index c6c819ea0a..1f78ea2d86 100644 --- a/include/fsl_ddr_dimm_params.h +++ b/include/fsl_ddr_dimm_params.h @@ -106,7 +106,7 @@ typedef struct dimm_params_s { int tqhs_ps; /* byte 45, spd->tqhs */ #endif - /* DDR3 RDIMM */ + /* DDR3 & DDR4 RDIMM */ unsigned char rcw[16]; /* Register Control Word 0-15 */ #ifdef CONFIG_SYS_FSL_DDR4 unsigned int dq_mapping[18]; |