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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-08 05:09:59 +0000 |
|---|---|---|
| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-08 05:09:59 +0000 |
| commit | 76be215ee1271adb4a9ed04ee8b102c28e825798 (patch) | |
| tree | 4d966f5b331c5286acd9aa6e3d241febbc4a89b4 /src/target/mips32_dmaacc.h | |
| parent | eadd49bef0960e015de084a41571c32e2ffbff41 (diff) | |
| download | openocd+libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.gz openocd+libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.bz2 openocd+libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.xz openocd+libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.zip | |
John McCarthy <jgmcc@magma.ca> adds support for DMA mode access as supported by EJTAG 1.0/2.0 processors
git-svn-id: svn://svn.berlios.de/openocd/trunk@1029 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/target/mips32_dmaacc.h')
| -rw-r--r-- | src/target/mips32_dmaacc.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/target/mips32_dmaacc.h b/src/target/mips32_dmaacc.h new file mode 100644 index 00000000..b6d544c5 --- /dev/null +++ b/src/target/mips32_dmaacc.h @@ -0,0 +1,53 @@ +/***************************************************************************
+ * Copyright (C) 2008 by John McCarthy *
+ * jgmcc@magma.ca *
+ * *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
+ * Copyright (C) 2008 by David T.L. Wong *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifndef MIPS32_DMAACC_H
+#define MIPS32_DMAACC_H
+
+#include "mips_ejtag.h"
+
+#define EJTAG_CTRL_DMA_BYTE 0x00000000
+#define EJTAG_CTRL_DMA_HALFWORD 0x00000080
+#define EJTAG_CTRL_DMA_WORD 0x00000100
+#define EJTAG_CTRL_DMA_TRIPLEBYTE 0x00000180
+
+#define RETRY_ATTEMPTS 4
+
+extern int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
+extern int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
+
+extern int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
+extern int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
+extern int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
+
+extern int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
+extern int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
+extern int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
+
+#if 0
+extern int mips32_dmaacc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs);
+extern int mips32_dmaacc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs);
+#endif
+
+#endif
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