LXR uboot/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#include <post.h>
  28
  29#if CONFIG_POST & CONFIG_SYS_POST_DSP
  30#include <asm/io.h>
  31
  32/* This test verifies DSP status bits in FPGA */
  33
  34DECLARE_GLOBAL_DATA_PTR;
  35
  36#define DSP_STATUS_REG 0xC4000008
  37
  38int dsp_post_test(int flags)
  39{
  40        uint   read_value;
  41        int    ret;
  42
  43        ret = 0;
  44        read_value = in_be32((void *)DSP_STATUS_REG) & 0x3;
  45        if (read_value != 0x3) {
  46                post_log("\nDSP status read %08X\n", read_value);
  47                ret = 1;
  48        }
  49
  50        return ret;
  51}
  52
  53#endif /* CONFIG_POST & CONFIG_SYS_POST_DSP */
  54