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, 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 <target/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 int mips32_dmaacc_read_mem(struct mips_ejtag *ejtag_info,
  38                 uint32_t addr, int size, int count, void *buf);
  39 int mips32_dmaacc_write_mem(struct mips_ejtag *ejtag_info,
  40                 uint32_t addr, int size, int count, void *buf);
  41
  42 int mips32_dmaacc_read_mem8(struct mips_ejtag *ejtag_info,
  43                 uint32_t addr, int count, uint8_t *buf);
  44 int mips32_dmaacc_read_mem16(struct mips_ejtag *ejtag_info,
  45                 uint32_t addr, int count, uint16_t *buf);
  46 int mips32_dmaacc_read_mem32(struct mips_ejtag *ejtag_info,
  47                 uint32_t addr, int count, uint32_t *buf);
  48
  49 int mips32_dmaacc_write_mem8(struct mips_ejtag *ejtag_info,
  50                 uint32_t addr, int count, uint8_t *buf);
  51 int mips32_dmaacc_write_mem16(struct mips_ejtag *ejtag_info,
  52                 uint32_t addr, int count, uint16_t *buf);
  53 int mips32_dmaacc_write_mem32(struct mips_ejtag *ejtag_info,
  54                 uint32_t addr, int count, uint32_t *buf);
  55
  56 #endif