board/freescale/mx31pdk/mx31pdk.c

   1 /*
   2  *
   3  * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
   4  *
   5  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   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
  27 #include <common.h>
  28 #include <asm/arch/mx31.h>
  29 #include <asm/arch/mx31-regs.h>
  30
  31 DECLARE_GLOBAL_DATA_PTR;
  32
  33 int dram_init(void)
  34 {
  35         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  36         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  37
  38         return 0;
  39 }
  40
  41 int board_init(void)
  42 {
  43         /* CS5: CPLD incl. network controller */
  44         __REG(CSCR_U(5)) = 0x0000d843;
  45         __REG(CSCR_L(5)) = 0x22252521;
  46         __REG(CSCR_A(5)) = 0x22220a00;
  47
  48         /* Setup UART1 and SPI2 pins */
  49         mx31_uart1_hw_init();
  50         mx31_spi2_hw_init();
  51
  52         gd->bd->bi_arch_number = MACH_TYPE_MX31_3DS; /* board id for linux */
  53         /* adress of boot parameters */
  54         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  55
  56         return 0;
  57 }
  58
  59 int checkboard(void)
  60 {
  61         printf("Board: i.MX31 MAX PDK (3DS)\n");
  62         return 0;
  63 }