board/ms7722se/ms7722se.c

   1 /*
   2  * Copyright (C) 2007,2008
   3  * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   4  *
   5  * Copyright (C) 2007
   6  * Kenati Technologies, Inc.
   7  *
   8  * board/ms7722se/ms7722se.c
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <asm/io.h>
  28 #include <asm/processor.h>
  29
  30 #define LED_BASE        0xB0800000
  31
  32 int checkboard(void)
  33 {
  34         puts("BOARD: Hitachi UL MS7722SE\n");
  35         return 0;
  36 }
  37
  38 int board_init(void)
  39 {
  40         /* Setup PTXMD[1:0] for /CS6A */
  41         outw(inw(PXCR) & ~0xf000, PXCR);
  42
  43         return 0;
  44 }
  45
  46 int dram_init(void)
  47 {
  48         DECLARE_GLOBAL_DATA_PTR;
  49
  50         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  51         gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  52         printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  53         return 0;
  54 }
  55
  56 void led_set_state(unsigned short value)
  57 {
  58         writew(value & 0xFF, LED_BASE);
  59 }