+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2011-2012 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 or later as published by the Free Software Foundation.
*/
#include <common.h>
#include <i2c.h>
#include <hwconfig.h>
+#include <fsl_ddr.h>
#include <asm/mmu.h>
-#include <asm/fsl_ddr_sdram.h>
-#include <asm/fsl_ddr_dimm_params.h>
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr_dimm_params.h>
#include <asm/fsl_law.h>
DECLARE_GLOBAL_DATA_PTR;
.edc_config = 2, /* ECC */
.burst_lengths_bitmask = 0x0c,
- .tCKmin_X_ps = 1071,
- .caslat_X = 0x2fe << 4, /* 5,6,7,8,9,10,11,13 */
- .tAA_ps = 13910,
- .tWR_ps = 15000,
- .tRCD_ps = 13910,
- .tRRD_ps = 6000,
- .tRP_ps = 13910,
- .tRAS_ps = 34000,
- .tRC_ps = 48910,
- .tRFC_ps = 260000,
- .tWTR_ps = 7500,
- .tRTP_ps = 7500,
+ .tckmin_x_ps = 1071,
+ .caslat_x = 0x2fe << 4, /* 5,6,7,8,9,10,11,13 */
+ .taa_ps = 13910,
+ .twr_ps = 15000,
+ .trcd_ps = 13910,
+ .trrd_ps = 6000,
+ .trp_ps = 13910,
+ .tras_ps = 34000,
+ .trc_ps = 48910,
+ .trfc_ps = 260000,
+ .twtr_ps = 7500,
+ .trtp_ps = 7500,
.refresh_rate_ps = 7800000,
- .tFAW_ps = 35000,
+ .tfaw_ps = 35000,
};
int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
u32 wrlvl_ctl_3;
u32 cpo;
u32 write_data_delay;
- u32 force_2T;
+ u32 force_2t;
};
/*
popts->wrlvl_start = pbsp->wrlvl_start;
popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
- popts->twoT_en = pbsp->force_2T;
+ popts->twot_en = pbsp->force_2t;
goto found;
}
pbsp_highest = pbsp;
popts->write_data_delay = pbsp_highest->write_data_delay;
popts->clk_adjust = pbsp_highest->clk_adjust;
popts->wrlvl_start = pbsp_highest->wrlvl_start;
- popts->twoT_en = pbsp_highest->force_2T;
+ popts->twot_en = pbsp_highest->force_2t;
} else {
panic("DIMM is not supported by this board");
}
/* DHC_EN =1, ODT = 75 Ohm */
popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
+
+ /* optimize cpo for erratum A-009942 */
+ popts->cpo_sample = 0x3e;
}
-phys_size_t initdram(int board_type)
+int dram_init(void)
{
phys_size_t dram_size;
+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
puts("Initializing....using SPD\n");
-
dram_size = fsl_ddr_sdram();
-
+#else
+ dram_size = fsl_ddr_sdram_size();
+#endif
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
- puts(" DDR: ");
- return dram_size;
+ gd->ram_size = dram_size;
+
+ return 0;
+}
+
+unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
+ unsigned int dbw_cap_adj[])
+{
+ int i, j;
+ unsigned long long total_mem, current_mem_base, total_ctlr_mem;
+ unsigned long long rank_density, ctlr_density = 0;
+
+ current_mem_base = 0ull;
+ total_mem = 0;
+ /*
+ * This board has soldered DDR chips. DDRC1 has two rank.
+ * DDRC2 has only one rank.
+ * Assigning DDRC2 to lower address and DDRC1 to higher address.
+ */
+ if (pinfo->memctl_opts[0].memctl_interleaving) {
+ rank_density = pinfo->dimm_params[0][0].rank_density >>
+ dbw_cap_adj[0];
+ ctlr_density = rank_density;
+
+ debug("rank density is 0x%llx, ctlr density is 0x%llx\n",
+ rank_density, ctlr_density);
+ for (i = CONFIG_SYS_NUM_DDR_CTLRS - 1; i >= 0; i--) {
+ switch (pinfo->memctl_opts[i].memctl_interleaving_mode) {
+ case FSL_DDR_CACHE_LINE_INTERLEAVING:
+ case FSL_DDR_PAGE_INTERLEAVING:
+ case FSL_DDR_BANK_INTERLEAVING:
+ case FSL_DDR_SUPERBANK_INTERLEAVING:
+ total_ctlr_mem = 2 * ctlr_density;
+ break;
+ default:
+ panic("Unknown interleaving mode");
+ }
+ pinfo->common_timing_params[i].base_address =
+ current_mem_base;
+ pinfo->common_timing_params[i].total_mem =
+ total_ctlr_mem;
+ total_mem = current_mem_base + total_ctlr_mem;
+ debug("ctrl %d base 0x%llx\n", i, current_mem_base);
+ debug("ctrl %d total 0x%llx\n", i, total_ctlr_mem);
+ }
+ } else {
+ /*
+ * Simple linear assignment if memory
+ * controllers are not interleaved.
+ */
+ for (i = CONFIG_SYS_NUM_DDR_CTLRS - 1; i >= 0; i--) {
+ total_ctlr_mem = 0;
+ pinfo->common_timing_params[i].base_address =
+ current_mem_base;
+ for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
+ /* Compute DIMM base addresses. */
+ unsigned long long cap =
+ pinfo->dimm_params[i][j].capacity;
+ pinfo->dimm_params[i][j].base_address =
+ current_mem_base;
+ debug("ctrl %d dimm %d base 0x%llx\n",
+ i, j, current_mem_base);
+ current_mem_base += cap;
+ total_ctlr_mem += cap;
+ }
+ debug("ctrl %d total 0x%llx\n", i, total_ctlr_mem);
+ pinfo->common_timing_params[i].total_mem =
+ total_ctlr_mem;
+ total_mem += total_ctlr_mem;
+ }
+ }
+ debug("Total mem by %s is 0x%llx\n", __func__, total_mem);
+
+ return total_mem;
}
projects / oweals / u-boot.git / blobdiff