board/atmel/atstk1000/atstk1000.c

   1 /*
   2  * Copyright (C) 2005-2006 Atmel Corporation
   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 #include <common.h>
  23
  24 #include <asm/io.h>
  25 #include <asm/sdram.h>
  26 #include <asm/arch/gpio.h>
  27 #include <asm/arch/hmatrix2.h>
  28
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 static const struct sdram_info sdram = {
  32         .phys_addr      = CFG_SDRAM_BASE,
  33         .row_bits       = 11,
  34         .col_bits       = 8,
  35         .bank_bits      = 2,
  36         .cas            = 3,
  37         .twr            = 2,
  38         .trc            = 7,
  39         .trp            = 2,
  40         .trcd           = 2,
  41         .tras           = 5,
  42         .txsr           = 5,
  43 };
  44
  45 int board_early_init_f(void)
  46 {
  47         /* Set the SDRAM_ENABLE bit in the HEBI SFR */
  48         hmatrix2_writel(SFR4, 1 << 1);
  49
  50         gpio_enable_ebi();
  51         gpio_enable_usart1();
  52
  53         return 0;
  54 }
  55
  56 void board_init_memories(void)
  57 {
  58         gd->sdram_size = sdram_init(&sdram);
  59 }
  60
  61 void board_init_info(void)
  62 {
  63         gd->bd->bi_phy_id[0] = 0x10;
  64         gd->bd->bi_phy_id[1] = 0x11;
  65 }