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-rw-r--r--drivers/ddr/fsl/main.c2
-rw-r--r--drivers/ddr/fsl/options.c10
-rw-r--r--include/fsl_ddr.h2
3 files changed, 8 insertions, 6 deletions
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index 14ecf1219c..72ec1be65d 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -535,7 +535,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
* which is currently STEP_ASSIGN_ADDRESSES.
*/
populate_memctl_options(
- timing_params[i].all_dimms_registered,
+ &timing_params[i],
&pinfo->memctl_opts[i],
pinfo->dimm_params[i], i);
/*
diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index 3b30fa284c..3c09c643fe 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -499,7 +499,7 @@ static inline unsigned int auto_bank_intlv(dimm_params_t *pdimm)
return 0;
}
-unsigned int populate_memctl_options(int all_dimms_registered,
+unsigned int populate_memctl_options(const common_timing_params_t *common_dimm,
memctl_options_t *popts,
dimm_params_t *pdimm,
unsigned int ctrl_num)
@@ -640,7 +640,7 @@ unsigned int populate_memctl_options(int all_dimms_registered,
popts->ba_intlv_ctl = 0;
/* Memory Organization Parameters */
- popts->registered_dimm_en = all_dimms_registered;
+ popts->registered_dimm_en = common_dimm->all_dimms_registered;
/* Operational Mode Paramters */
@@ -778,9 +778,11 @@ unsigned int populate_memctl_options(int all_dimms_registered,
* Set this to 0 for global auto precharge
* The value of 0x100 has been used for DDR1, DDR2, DDR3.
* It is not wrong. Any value should be OK. The performance depends on
- * applications. There is no one good value for all.
+ * applications. There is no one good value for all. One way to set
+ * is to use 1/4 of refint value.
*/
- popts->bstopre = 0x100;
+ popts->bstopre = picos_to_mclk(ctrl_num, common_dimm->refresh_rate_ps)
+ >> 2;
/*
* Window for four activates -- tFAW
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
index 728503b62c..1ac092bb92 100644
--- a/include/fsl_ddr.h
+++ b/include/fsl_ddr.h
@@ -103,7 +103,7 @@ unsigned int compute_lowest_common_dimm_parameters(
const dimm_params_t *dimm_params,
common_timing_params_t *outpdimm,
unsigned int number_of_dimms);
-unsigned int populate_memctl_options(int all_dimms_registered,
+unsigned int populate_memctl_options(const common_timing_params_t *common_dimm,
memctl_options_t *popts,
dimm_params_t *pdimm,
unsigned int ctrl_num);
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