board/freescale/m5272c3/m5272c3.c

   1 /*
   2  * (C) Copyright 2000-2003
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
   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 #include <common.h>
  27 #include <asm/immap.h>
  28 #include <asm/io.h>
  29
  30
  31 int checkboard (void) {
  32         puts ("Board: ");
  33         puts ("Freescale MCF5272C3 EVB\n");
  34         return 0;
  35         };
  36
  37 phys_size_t initdram (int board_type) {
  38         sdramctrl_t * sdp = (sdramctrl_t *)(MMAP_SDRAM);
  39
  40         out_be16(&sdp->sdram_sdtr, 0xf539);
  41         out_be16(&sdp->sdram_sdcr, 0x4211);
  42
  43         /* Dummy write to start SDRAM */
  44         *((volatile unsigned long *)0) = 0;
  45
  46         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  47         };
  48
  49 int testdram (void) {
  50         /* TODO: XXX XXX XXX */
  51         printf ("DRAM test not implemented!\n");
  52
  53         return (0);
  54 }