src/target/mips32_dmaacc.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by John McCarthy                                   *
   3  *   jgmcc@magma.ca                                                        *
   4  *                                                                         *
   5  *   Copyright (C) 2008 by Spencer Oliver                                  *
   6  *   spen@spen-soft.co.uk                                                  *
   7  *                                                                         *
   8  *   Copyright (C) 2008 by David T.L. Wong                                 *
   9  *                                                                         *
  10  *   This program is free software; you can redistribute it and/or modify  *
  11  *   it under the terms of the GNU General Public License as published by  *
  12  *   the Free Software Foundation; either version 2 of the License, or     *
  13  *   (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, see <http://www.gnu.org/licenses/>. *
  22  ***************************************************************************/
  23
  24 #ifndef MIPS32_DMAACC_H
  25 #define MIPS32_DMAACC_H
  26
  27 #include "mips_ejtag.h"
  28
  29 #define EJTAG_CTRL_DMA_BYTE                     0x00000000
  30 #define EJTAG_CTRL_DMA_HALFWORD         0x00000080
  31 #define EJTAG_CTRL_DMA_WORD                     0x00000100
  32 #define EJTAG_CTRL_DMA_TRIPLEBYTE       0x00000180
  33
  34 #define RETRY_ATTEMPTS  0
  35
  36 int mips32_dmaacc_read_mem(struct mips_ejtag *ejtag_info,
  37                 uint32_t addr, int size, int count, void *buf);
  38 int mips32_dmaacc_write_mem(struct mips_ejtag *ejtag_info,
  39                 uint32_t addr, int size, int count, const void *buf);
  40
  41 #endif