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   1 /***************************************************************************\r
   2  *   Copyright (C) 2008 by John McCarthy                                   *\r
   3  *   jgmcc@magma.ca                                                        *\r
   4  *                                                                         *\r
   5  *   Copyright (C) 2008 by Spencer Oliver                                  *\r
   6  *   spen@spen-soft.co.uk                                                  *\r
   7  *                                                                         *\r
   8  *   Copyright (C) 2008 by David T.L. Wong                                 *\r
   9  *                                                                         *\r
  10  *   This program is free software; you can redistribute it and/or modify  *\r
  11  *   it under the terms of the GNU General Public License as published by  *\r
  12  *   the Free Software Foundation; either version 2 of the License, or     *\r
  13  *   (at your option) any later version.                                   *\r
  14  *                                                                         *\r
  15  *   This program is distributed in the hope that it will be useful,       *\r
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
  18  *   GNU General Public License for more details.                          *\r
  19  *                                                                         *\r
  20  *   You should have received a copy of the GNU General Public License     *\r
  21  *   along with this program; if not, write to the                         *\r
  22  *   Free Software Foundation, Inc.,                                       *\r
  23  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
  24  ***************************************************************************/\r
  25 #ifndef MIPS32_DMAACC_H\r
  26 #define MIPS32_DMAACC_H\r
  27 \r
  28 #include "mips_ejtag.h"\r
  29 \r
  30 #define EJTAG_CTRL_DMA_BYTE        0x00000000\r
  31 #define EJTAG_CTRL_DMA_HALFWORD    0x00000080\r
  32 #define EJTAG_CTRL_DMA_WORD        0x00000100\r
  33 #define EJTAG_CTRL_DMA_TRIPLEBYTE  0x00000180\r
  34 \r
  35 #define RETRY_ATTEMPTS  4\r
  36 \r
  37 extern int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);\r
  38 extern int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);\r
  39 \r
  40 extern int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);\r
  41 extern int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);\r
  42 extern int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);\r
  43 \r
  44 extern int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);\r
  45 extern int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);\r
  46 extern int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);\r
  47 \r
  48 #if 0\r
  49 extern int mips32_dmaacc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs);\r
  50 extern int mips32_dmaacc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs);\r
  51 #endif\r
  52 \r
  53 #endif\r