post/board/lwmon5/dsp.c

   1 /*
   2  * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
   3  *
   4  * Developed for DENX Software Engineering GmbH
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26
  27 #ifdef CONFIG_POST
  28
  29 #include <post.h>
  30
  31
  32 #if CONFIG_POST & CFG_POST_DSP
  33 #include <asm/io.h>
  34
  35 /* This test verifies DSP status bits in FPGA */
  36
  37 DECLARE_GLOBAL_DATA_PTR;
  38
  39 #define DSP_STATUS_REG 0xC4000008
  40
  41 int dsp_post_test(int flags)
  42 {
  43         uint   read_value;
  44         int    ret;
  45
  46         ret = 0;
  47         read_value = in_be32((void *)DSP_STATUS_REG) & 0x3;
  48         if (read_value != 0x3) {
  49                 post_log("\nDSP status read %08X\n", read_value);
  50                 ret = 1;
  51         }
  52
  53         return ret;
  54 }
  55
  56 #endif /* CONFIG_POST & CFG_POST_DSP */
  57 #endif /* CONFIG_POST */