/*
* Copyright 2008-2014 Freescale Semiconductor, Inc.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * Version 2 as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#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)
{
unsigned int common_caslat;
unsigned int caslat_actual;
unsigned int retry = 16;
- unsigned int tmp;
- const unsigned int mclk_ps = get_memory_clk_period_ps();
+ unsigned int tmp = ~0;
+ const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num);
#ifdef CONFIG_SYS_FSL_DDR3
const unsigned int taamax = 20000;
#else
#endif
/* compute the common CAS latency supported between slots */
- tmp = dimm_params[0].caslat_x;
- for (i = 1; i < number_of_dimms; i++) {
+ for (i = 0; i < number_of_dimms; i++) {
if (dimm_params[i].n_ranks)
tmp &= dimm_params[i].caslat_x;
}
}
#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;
* 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)
{
* Find minimum tckmax_ps to find fastest slow speed,
* i.e., this is the slowest the whole system can go.
*/
- tckmax_ps = min(tckmax_ps, dimm_params[i].tckmax_ps);
+ tckmax_ps = min(tckmax_ps,
+ (unsigned int)dimm_params[i].tckmax_ps);
#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
- taamin_ps = max(taamin_ps, dimm_params[i].taa_ps);
+ taamin_ps = max(taamin_ps,
+ (unsigned int)dimm_params[i].taa_ps);
#endif
- tckmin_x_ps = max(tckmin_x_ps, dimm_params[i].tckmin_x_ps);
- trcd_ps = max(trcd_ps, dimm_params[i].trcd_ps);
- trp_ps = max(trp_ps, dimm_params[i].trp_ps);
- tras_ps = max(tras_ps, dimm_params[i].tras_ps);
+ tckmin_x_ps = max(tckmin_x_ps,
+ (unsigned int)dimm_params[i].tckmin_x_ps);
+ trcd_ps = max(trcd_ps, (unsigned int)dimm_params[i].trcd_ps);
+ trp_ps = max(trp_ps, (unsigned int)dimm_params[i].trp_ps);
+ tras_ps = max(tras_ps, (unsigned int)dimm_params[i].tras_ps);
#ifdef CONFIG_SYS_FSL_DDR4
- trfc1_ps = max(trfc1_ps, dimm_params[i].trfc1_ps);
- trfc2_ps = max(trfc2_ps, dimm_params[i].trfc2_ps);
- trfc4_ps = max(trfc4_ps, dimm_params[i].trfc4_ps);
- trrds_ps = max(trrds_ps, dimm_params[i].trrds_ps);
- trrdl_ps = max(trrdl_ps, dimm_params[i].trrdl_ps);
- tccdl_ps = max(tccdl_ps, dimm_params[i].tccdl_ps);
+ trfc1_ps = max(trfc1_ps,
+ (unsigned int)dimm_params[i].trfc1_ps);
+ trfc2_ps = max(trfc2_ps,
+ (unsigned int)dimm_params[i].trfc2_ps);
+ trfc4_ps = max(trfc4_ps,
+ (unsigned int)dimm_params[i].trfc4_ps);
+ trrds_ps = max(trrds_ps,
+ (unsigned int)dimm_params[i].trrds_ps);
+ trrdl_ps = max(trrdl_ps,
+ (unsigned int)dimm_params[i].trrdl_ps);
+ tccdl_ps = max(tccdl_ps,
+ (unsigned int)dimm_params[i].tccdl_ps);
#else
- twr_ps = max(twr_ps, dimm_params[i].twr_ps);
- twtr_ps = max(twtr_ps, dimm_params[i].twtr_ps);
- trfc_ps = max(trfc_ps, dimm_params[i].trfc_ps);
- trrd_ps = max(trrd_ps, dimm_params[i].trrd_ps);
- trtp_ps = max(trtp_ps, dimm_params[i].trtp_ps);
+ twr_ps = max(twr_ps, (unsigned int)dimm_params[i].twr_ps);
+ twtr_ps = max(twtr_ps, (unsigned int)dimm_params[i].twtr_ps);
+ trfc_ps = max(trfc_ps, (unsigned int)dimm_params[i].trfc_ps);
+ trrd_ps = max(trrd_ps, (unsigned int)dimm_params[i].trrd_ps);
+ trtp_ps = max(trtp_ps, (unsigned int)dimm_params[i].trtp_ps);
#endif
- trc_ps = max(trc_ps, dimm_params[i].trc_ps);
+ trc_ps = max(trc_ps, (unsigned int)dimm_params[i].trc_ps);
#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
- tis_ps = max(tis_ps, dimm_params[i].tis_ps);
- tih_ps = max(tih_ps, dimm_params[i].tih_ps);
- tds_ps = max(tds_ps, dimm_params[i].tds_ps);
- tdh_ps = max(tdh_ps, dimm_params[i].tdh_ps);
- tqhs_ps = max(tqhs_ps, dimm_params[i].tqhs_ps);
+ tis_ps = max(tis_ps, (unsigned int)dimm_params[i].tis_ps);
+ tih_ps = max(tih_ps, (unsigned int)dimm_params[i].tih_ps);
+ tds_ps = max(tds_ps, (unsigned int)dimm_params[i].tds_ps);
+ tdh_ps = max(tdh_ps, (unsigned int)dimm_params[i].tdh_ps);
+ tqhs_ps = max(tqhs_ps, (unsigned int)dimm_params[i].tqhs_ps);
/*
* Find maximum tdqsq_max_ps to find slowest.
*
* FIXME: is finding the slowest value the correct
* strategy for this parameter?
*/
- tdqsq_max_ps = max(tdqsq_max_ps, dimm_params[i].tdqsq_max_ps);
+ tdqsq_max_ps = max(tdqsq_max_ps,
+ (unsigned int)dimm_params[i].tdqsq_max_ps);
#endif
refresh_rate_ps = max(refresh_rate_ps,
- dimm_params[i].refresh_rate_ps);
+ (unsigned int)dimm_params[i].refresh_rate_ps);
/* extended_op_srt is either 0 or 1, 0 having priority */
extended_op_srt = min(extended_op_srt,
- dimm_params[i].extended_op_srt);
+ (unsigned int)dimm_params[i].extended_op_srt);
}
outpdimm->ndimms_present = number_of_dimms - temp1;
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. */
#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);
}
*
* 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;
}
projects / people / ms / u-boot.git / blobdiff