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   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, write to the                         *
  22  *   Free Software Foundation, Inc.,                                       *
  23  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  ***************************************************************************/
  25 #ifndef MIPS32_DMAACC_H
  26 #define MIPS32_DMAACC_H
  27
  28 #include "mips_ejtag.h"
  29
  30 #define EJTAG_CTRL_DMA_BYTE        0x00000000
  31 #define EJTAG_CTRL_DMA_HALFWORD    0x00000080
  32 #define EJTAG_CTRL_DMA_WORD        0x00000100
  33 #define EJTAG_CTRL_DMA_TRIPLEBYTE  0x00000180
  34
  35 #define RETRY_ATTEMPTS  0
  36
  37 extern int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
  38 extern int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
  39
  40 extern int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
  41 extern int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
  42 extern int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
  43
  44 extern int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
  45 extern int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
  46 extern int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
  47
  48 #if 0
  49 extern int mips32_dmaacc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs);
  50 extern int mips32_dmaacc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs);
  51 #endif
  52
  53 #endif