board/cmi/cmi.c

   1 /*
   2  * (C) Copyright 2003
   3  * Martin Winistoerfer, martinwinistoerfer@gmx.ch.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * File:                cmi.c
  26  *
  27  * Discription:         For generic board specific functions
  28  *
  29  */
  30
  31
  32 #include <common.h>
  33 #include <mpc5xx.h>
  34
  35 #define SRAM_SIZE       1024000L        /* 1M RAM available*/
  36
  37 #if defined(__APPLE__)
  38 /* Leading underscore on symbols */
  39 #  define SYM_CHAR "_"
  40 #else /* No leading character on symbols */
  41 #  define SYM_CHAR
  42 #endif
  43
  44 /*
  45  * Macros to generate global absolutes.
  46  */
  47 #define GEN_SYMNAME(str) SYM_CHAR #str
  48 #define GEN_VALUE(str) #str
  49 #define GEN_ABS(name, value) \
  50                 asm (".globl " GEN_SYMNAME(name)); \
  51                 asm (GEN_SYMNAME(name) " = " GEN_VALUE(value))
  52
  53 /*
  54  * Check the board
  55  */
  56 int checkboard(void)
  57 {
  58     puts ("Board: ### No HW ID - assuming CMI board\n");
  59     return (0);
  60 }
  61
  62 /*
  63  * Get RAM size.
  64  */
  65 phys_size_t initdram(int board_type)
  66 {
  67         return (SRAM_SIZE);             /* We currently have a static size adapted for cmi board. */
  68 }
  69
  70 /*
  71  * Absolute environment address for linker file.
  72  */
  73 GEN_ABS(env_start, CONFIG_ENV_OFFSET + CONFIG_SYS_FLASH_BASE);