board/bf533-ezkit/bf533-ezkit.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * Copyright (c) 2005-2008 Analog Devices Inc.
   5  *
   6  * (C) Copyright 2000-2004
   7  * Wolfgang Denk, DENX Software Engineering, wd@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., 51 Franklin St, Fifth Floor, Boston,
  25  * MA 02110-1301 USA
  26  */
  27
  28 #include <common.h>
  29 #include "psd4256.h"
  30 #include "flash-defines.h"
  31
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 int checkboard(void)
  35 {
  36         printf("Board: ADI BF533 EZ-Kit Lite board\n");
  37         printf("       Support: http://blackfin.uclinux.org/\n");
  38         return 0;
  39 }
  40
  41 phys_size_t initdram(int board_type)
  42 {
  43         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  44         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
  45         return gd->bd->bi_memsize;
  46 }
  47
  48 /* miscellaneous platform dependent initialisations */
  49 int misc_init_r(void)
  50 {
  51         /* Set direction bits for Video en/decoder reset as output      */
  52         *(volatile unsigned char *)(CONFIG_SYS_FLASH1_BASE + PSD_PORTA_DIR) =
  53             PSDA_VDEC_RST | PSDA_VENC_RST;
  54         /* Deactivate Video en/decoder reset lines                      */
  55         *(volatile unsigned char *)(CONFIG_SYS_FLASH1_BASE + PSD_PORTA_DOUT) =
  56             PSDA_VDEC_RST | PSDA_VENC_RST;
  57
  58         return 0;
  59 }