board/blackstamp/blackstamp.c

   1 /*
   2  * U-boot - blackstamp.c BlackStamp board specific routines
   3  * Most code stolen from boards/bf533-stamp/bf533-stamp.c
   4  * Edited to the BlackStamp by Ben Matthews for UR LLE
   5  *
   6  * Copyright (c) 2005-2009 Analog Devices Inc.
   7  *
   8  * (C) Copyright 2000-2004
   9  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10  *
  11  * Licensed under the GPL-2 or later.
  12  */
  13
  14 #include <common.h>
  15 #include <asm/io.h>
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 int checkboard(void)
  20 {
  21         printf("Board: BlackStamp\n");
  22         printf("Support: http://blackfin.uclinux.org/gf/project/blackstamp/\n");
  23         return 0;
  24 }
  25
  26 phys_size_t initdram(int board_type)
  27 {
  28         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  29         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
  30         return gd->bd->bi_memsize;
  31 }
  32
  33 #ifdef SHARED_RESOURCES
  34 void swap_to(int device_id)
  35 {
  36         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
  37         SSYNC();
  38         if (device_id == ETHERNET)
  39                 bfin_write_FIO_FLAG_S(PF0);
  40         else if (device_id == FLASH)
  41                 bfin_write_FIO_FLAG_C(PF0);
  42         else
  43                 printf("Unknown device to switch\n");
  44         SSYNC();
  45 }
  46 #endif