Merge tag 'efi-2020-07-rc2-4' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
[oweals/u-boot.git] / board / freescale / b4860qds / ddr.c
index b82b3d409e23d1fc807d045b2340e91abd3ba5d6..de9f5f5f8bcb82071fa11534a09bb40be867e9f3 100644 (file)
@@ -1,19 +1,16 @@
+// 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>
-#include <../arch/powerpc/cpu/mpc8xxx/ddr/ddr.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -31,20 +28,20 @@ dimm_params_t ddr_raw_timing = {
        .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,
@@ -71,7 +68,7 @@ struct board_specific_parameters {
        u32 wrlvl_ctl_3;
        u32 cpo;
        u32 write_data_delay;
-       u32 force_2T;
+       u32 force_2t;
 };
 
 /*
@@ -129,7 +126,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
                                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;
@@ -146,7 +143,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
                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");
        }
@@ -173,21 +170,27 @@ found:
        /* 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,
@@ -211,7 +214,7 @@ unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
 
                debug("rank density is 0x%llx, ctlr density is 0x%llx\n",
                      rank_density, ctlr_density);
-               for (i = CONFIG_NUM_DDR_CONTROLLERS - 1; i >= 0; i--) {
+               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:
@@ -235,7 +238,7 @@ unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
                 * Simple linear assignment if memory
                 * controllers are not interleaved.
                 */
-               for (i = CONFIG_NUM_DDR_CONTROLLERS - 1; i >= 0; i--) {
+               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;