DDR RCW varies at different speeds. It is common for all platform. Move it
out from corenet_ds.
Signed-off-by: York Sun <york...@freescale.com>
---
arch/powerpc/cpu/mpc8xxx/ddr/options.c | 15 +++++++++++++++
board/freescale/corenet_ds/ddr.c | 14 --------------
2 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/options.c
b/arch/powerpc/cpu/mpc8xxx/ddr/options.c
index 7fc5494..7165635 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/options.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/options.c
@@ -484,6 +484,7 @@ unsigned int populate_memctl_options(int
all_DIMMs_registered,
char buffer[HWCONFIG_BUFFER_SIZE];
char *buf = NULL;
const dynamic_odt_t *pdodt = odt_unknown;
+ ulong ddr_freq;
/*
* Extract hwconfig from environment since we have not properly setup
@@ -928,6 +929,20 @@ unsigned int populate_memctl_options(int
all_DIMMs_registered,
if (pdimm[0].n_ranks == 4)
popts->quad_rank_present = 1;
+ ddr_freq = get_ddr_freq(0) / 1000000;
+ if (popts->registered_dimm_en) {
+ popts->rcw_override = 1;
+ popts->rcw_1 = 0x000a5a00;
+ if (ddr_freq <= 800)
+ popts->rcw_2 = 0x00000000;
+ else if (ddr_freq <= 1066)
+ popts->rcw_2 = 0x00100000;
+ else if (ddr_freq <= 1333)
+ popts->rcw_2 = 0x00200000;
+ else
+ popts->rcw_2 = 0x00300000;
+ }
+
fsl_ddr_board_options(popts, pdimm, ctrl_num);
return 0;
diff --git a/board/freescale/corenet_ds/ddr.c b/board/freescale/corenet_ds/ddr.c
index a184592..e3b3855 100644
--- a/board/freescale/corenet_ds/ddr.c
+++ b/board/freescale/corenet_ds/ddr.c
@@ -223,20 +223,6 @@ void fsl_ddr_board_options(memctl_options_t *popts,
/* DHC_EN =1, ODT = 60 Ohm */
popts->ddr_cdr1 = DDR_CDR1_DHC_EN;
-
- /* override SPD values. rcw_2 should vary at differnt speed */
- if (pdimm[0].registered_dimm == 1) {
- popts->rcw_override = 1;
- popts->rcw_1 = 0x000a5a00;
- if (ddr_freq <= 800)
- popts->rcw_2 = 0x00000000;
- else if (ddr_freq <= 1066)
- popts->rcw_2 = 0x00100000;
- else if (ddr_freq <= 1333)
- popts->rcw_2 = 0x00200000;
- else
- popts->rcw_2 = 0x00300000;
- }
}
phys_size_t initdram(int board_type)
--
1.7.0.4
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