uboot/board/xes/common/fsl_85xx_ddr.c
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   1/*
   2 * Copyright 2008 Extreme Engineering Solutions, Inc.
   3 *
   4 * See file CREDITS for list of people who contributed to this
   5 * project.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License as
   9 * published by the Free Software Foundation; either version 2 of
  10 * the License, or (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20 * MA 02111-1307 USA
  21 */
  22
  23#include <common.h>
  24#include <asm/fsl_ddr_sdram.h>
  25#include <asm/mmu.h>
  26
  27#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  28extern void ddr_enable_ecc(unsigned int dram_size);
  29#endif
  30
  31phys_size_t initdram(int board_type)
  32{
  33        phys_size_t dram_size = fsl_ddr_sdram();
  34
  35        dram_size = setup_ddr_tlbs(dram_size / 0x100000);
  36
  37        dram_size *= 0x100000;
  38
  39#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  40        /* Initialize and enable DDR ECC */
  41        ddr_enable_ecc(dram_size);
  42#endif
  43
  44        return dram_size;
  45}
  46
  47#if defined(CONFIG_DDR_ECC) || (CONFIG_NUM_DDR_CONTROLLERS > 1)
  48void board_add_ram_info(int use_default)
  49{
  50#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
  51        volatile ccsr_ddr_t *ddr1 = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
  52#endif
  53
  54        puts(" (");
  55
  56#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
  57        /* Print interleaving information */
  58        if (ddr1->cs0_config & 0x20000000) {
  59                switch ((ddr1->cs0_config >> 24) & 0xf) {
  60                case 0:
  61                        puts("cache line");
  62                        break;
  63                case 1:
  64                        puts("page");
  65                        break;
  66                case 2:
  67                        puts("bank");
  68                        break;
  69                case 3:
  70                        puts("super-bank");
  71                        break;
  72                default:
  73                        puts("invalid");
  74                        break;
  75                }
  76        } else {
  77                puts("no");
  78        }
  79
  80        puts(" interleaving");
  81#endif
  82
  83#if (CONFIG_NUM_DDR_CONTROLLERS > 1) && defined(CONFIG_DDR_ECC)
  84        puts(", ");
  85#endif
  86
  87#if defined(CONFIG_DDR_ECC)
  88        puts("ECC enabled");
  89#endif
  90
  91        puts(")");
  92}
  93#endif /* CONFIG_DDR_ECC || CONFIG_NUM_DDR_CONTROLLERS > 1 */
  94