board/lpd7a40x/lpd7a40x.c

   1 /*
   2  * (C) Copyright 2002
   3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4  * Marius Groeger <mgroeger@sysgo.de>
   5  *
   6  * (C) Copyright 2002
   7  * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
   8  *
   9  * See file CREDITS for list of people who contributed to this
  10  * project.
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License as
  14  * published by the Free Software Foundation; either version 2 of
  15  * the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25  * MA 02111-1307 USA
  26  */
  27
  28 #include <common.h>
  29 #if defined(CONFIG_LH7A400)
  30 #include <lh7a400.h>
  31 #elif defined(CONFIG_LH7A404)
  32 #include <lh7a404.h>
  33 #else
  34 #error "No CPU defined!"
  35 #endif
  36 #include <asm/mach-types.h>
  37
  38 #include <lpd7a400_cpld.h>
  39
  40 /*
  41  * Miscellaneous platform dependent initialisations
  42  */
  43
  44 int board_init (void)
  45 {
  46         DECLARE_GLOBAL_DATA_PTR;
  47
  48         /* set up the I/O ports */
  49
  50         /* enable flash programming */
  51         *(LPD7A400_CPLD_REGPTR(LPD7A400_CPLD_FLASH_REG)) |= FLASH_FPEN;
  52
  53         /* Auto wakeup, LCD disable, WLAN enable */
  54         *(LPD7A400_CPLD_REGPTR(LPD7A400_CPLD_CECTL_REG)) &=
  55                 ~(CECTL_AWKP|CECTL_LCDV|CECTL_WLPE);
  56
  57         /* Status LED 2 on (leds are active low) */
  58         *(LPD7A400_CPLD_REGPTR(LPD7A400_CPLD_EXTGPIO_REG)) =
  59                 (EXTGPIO_STATUS1|EXTGPIO_GPIO1) & ~(EXTGPIO_STATUS2);
  60
  61 #if defined(CONFIG_LH7A400)
  62         /* arch number of Logic-Board - MACH_TYPE_LPD7A400 */
  63         gd->bd->bi_arch_number = MACH_TYPE_LPD7A400;
  64 #elif defined(CONFIG_LH7A404)
  65         /* arch number of Logic-Board - MACH_TYPE_LPD7A400 */
  66         gd->bd->bi_arch_number = MACH_TYPE_LPD7A404;
  67 #endif
  68
  69         /* adress of boot parameters */
  70         gd->bd->bi_boot_params = 0xc0000100;
  71
  72         return 0;
  73 }
  74
  75 int dram_init (void)
  76 {
  77         DECLARE_GLOBAL_DATA_PTR;
  78
  79         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  80         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  81
  82         return 0;
  83 }