diff options
Diffstat (limited to 'drivers/ddr/fsl/lc_common_dimm_params.c')
| -rw-r--r-- | drivers/ddr/fsl/lc_common_dimm_params.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/ddr/fsl/lc_common_dimm_params.c b/drivers/ddr/fsl/lc_common_dimm_params.c index 73db444615..b295344c4d 100644 --- a/drivers/ddr/fsl/lc_common_dimm_params.c +++ b/drivers/ddr/fsl/lc_common_dimm_params.c @@ -13,7 +13,8 @@ #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4) static unsigned int -compute_cas_latency(const dimm_params_t *dimm_params, +compute_cas_latency(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, unsigned int number_of_dimms) { @@ -22,7 +23,7 @@ compute_cas_latency(const dimm_params_t *dimm_params, unsigned int caslat_actual; unsigned int retry = 16; unsigned int tmp; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); #ifdef CONFIG_SYS_FSL_DDR3 const unsigned int taamax = 20000; #else @@ -72,12 +73,13 @@ compute_cas_latency(const dimm_params_t *dimm_params, } #else /* for DDR1 and DDR2 */ static unsigned int -compute_cas_latency(const dimm_params_t *dimm_params, +compute_cas_latency(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, unsigned int number_of_dimms) { int i; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); unsigned int lowest_good_caslat; unsigned int not_ok; unsigned int temp1, temp2; @@ -212,7 +214,8 @@ compute_cas_latency(const dimm_params_t *dimm_params, * by dimm_params. */ unsigned int -compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, +compute_lowest_common_dimm_parameters(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, const unsigned int number_of_dimms) { @@ -442,7 +445,8 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, printf("ERROR: Mix different RDIMM detected!\n"); /* calculate cas latency for all DDR types */ - if (compute_cas_latency(dimm_params, outpdimm, number_of_dimms)) + if (compute_cas_latency(ctrl_num, dimm_params, + outpdimm, number_of_dimms)) return 1; /* Determine if all DIMMs ECC capable. */ @@ -518,11 +522,12 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, #if defined(CONFIG_SYS_FSL_DDR2) if ((outpdimm->lowest_common_spd_caslat < 4) && - (picos_to_mclk(trcd_ps) > outpdimm->lowest_common_spd_caslat)) { - additive_latency = picos_to_mclk(trcd_ps) - + (picos_to_mclk(ctrl_num, trcd_ps) > + outpdimm->lowest_common_spd_caslat)) { + additive_latency = picos_to_mclk(ctrl_num, trcd_ps) - outpdimm->lowest_common_spd_caslat; - if (mclk_to_picos(additive_latency) > trcd_ps) { - additive_latency = picos_to_mclk(trcd_ps); + if (mclk_to_picos(ctrl_num, additive_latency) > trcd_ps) { + additive_latency = picos_to_mclk(ctrl_num, trcd_ps); debug("setting additive_latency to %u because it was " " greater than tRCD_ps\n", additive_latency); } @@ -534,7 +539,7 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, * * AL <= tRCD(min) */ - if (mclk_to_picos(additive_latency) > trcd_ps) { + if (mclk_to_picos(ctrl_num, additive_latency) > trcd_ps) { printf("Error: invalid additive latency exceeds tRCD(min).\n"); return 1; } |
