- merged mips target into svn trunk

git-svn-id: svn://svn.berlios.de/openocd/trunk@874 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 107 insertions, 0 deletions

diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h
new file mode 100644
index 00000000..b25bd026
--- /dev/null
+++ b/src/target/mips_ejtag.h
@@ -0,0 +1,107 @@
+/***************************************************************************
+ *   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 MIPS_EJTAG
+#define MIPS_EJTAG
+
+#include "types.h"
+#include "jtag.h"
+
+#define EJTAG_INST_IDCODE		0x01
+#define EJTAG_INST_IMPCODE		0x03
+#define EJTAG_INST_ADDRESS		0x08
+#define EJTAG_INST_DATA			0x09
+#define EJTAG_INST_CONTROL		0x0A
+#define EJTAG_INST_ALL			0x0B
+#define EJTAG_INST_EJTAGBOOT	0x0C
+#define EJTAG_INST_NORMALBOOT	0x0D
+#define EJTAG_INST_FASTDATA		0x0E
+#define EJTAG_INST_TCBCONTROLA	0x10
+#define EJTAG_INST_TCBCONTROLB	0x11
+#define EJTAG_INST_TCBDATA		0x12
+#define EJTAG_INST_BYPASS		0x1F
+
+#define EJTAG_CTRL_TOF			(1 << 1)
+#define EJTAG_CTRL_TIF			(1 << 2)
+#define EJTAG_CTRL_BRKST		(1 << 3)
+#define EJTAG_CTRL_DLOCK		(1 << 5)
+#define EJTAG_CTRL_DRWN			(1 << 9)
+#define EJTAG_CTRL_DERR			(1 << 10)
+#define EJTAG_CTRL_DSTRT		(1 << 11)
+#define EJTAG_CTRL_JTAGBRK		(1 << 12)
+#define EJTAG_CTRL_SETDEV		(1 << 14)
+#define EJTAG_CTRL_PROBEN		(1 << 15)
+#define EJTAG_CTRL_PRRST		(1 << 16)
+#define EJTAG_CTRL_DMAACC		(1 << 17)
+#define EJTAG_CTRL_PRACC		(1 << 18)
+#define EJTAG_CTRL_PRNW			(1 << 19)
+#define EJTAG_CTRL_PERRST		(1 << 20)
+#define EJTAG_CTRL_SYNC			(1 << 23)
+#define EJTAG_CTRL_DNM			(1 << 28)
+#define EJTAG_CTRL_ROCC			(1 << 31)
+
+/* Debug Register (CP0 Register 23, Select 0) */
+
+#define EJTAG_DEBUG_DSS			(1 << 0)
+#define EJTAG_DEBUG_DBP			(1 << 1)
+#define EJTAG_DEBUG_DDBL		(1 << 2)
+#define EJTAG_DEBUG_DDBS		(1 << 3)
+#define EJTAG_DEBUG_DIB			(1 << 4)
+#define EJTAG_DEBUG_DINT		(1 << 5)
+#define EJTAG_DEBUG_OFFLINE		(1 << 7)
+#define EJTAG_DEBUG_SST			(1 << 8)
+#define EJTAG_DEBUG_NOSST		(1 << 9)
+#define EJTAG_DEBUG_DDBLIMPR	(1 << 18)
+#define EJTAG_DEBUG_DDBSIMPR	(1 << 19)
+#define EJTAG_DEBUG_IEXI		(1 << 20)
+#define EJTAG_DEBUG_DBUSEP		(1 << 21)
+#define EJTAG_DEBUG_CACHEEP		(1 << 22)
+#define EJTAG_DEBUG_MCHECKP		(1 << 23)
+#define EJTAG_DEBUG_IBUSEP		(1 << 24)
+#define EJTAG_DEBUG_COUNTDM		(1 << 25)
+#define EJTAG_DEBUG_HALT		(1 << 26)
+#define EJTAG_DEBUG_DOZE		(1 << 27)
+#define EJTAG_DEBUG_LSNM		(1 << 28)
+#define EJTAG_DEBUG_NODCR		(1 << 29)
+#define EJTAG_DEBUG_DM			(1 << 30)
+#define EJTAG_DEBUG_DBD			(1 << 31)
+
+typedef struct mips_ejtag_s
+{
+	int chain_pos;
+	u32 impcode;
+//	int use_dma;
+	u32 ejtag_ctrl;
+} mips_ejtag_t;
+
+extern int mips_ejtag_set_instr(mips_ejtag_t *ejtag_info, int new_instr, in_handler_t handler);
+extern int mips_ejtag_enter_debug(mips_ejtag_t *ejtag_info);
+extern int mips_ejtag_exit_debug(mips_ejtag_t *ejtag_info, int enable_interrupts);
+extern int mips_ejtag_get_impcode(mips_ejtag_t *ejtag_info, u32 *impcode, in_handler_t handler);
+extern int mips_ejtag_get_idcode(mips_ejtag_t *ejtag_info, u32 *idcode, in_handler_t handler);
+extern int mips_ejtag_drscan_32(mips_ejtag_t *ejtag_info, u32 *data);
+
+extern int mips_ejtag_init(mips_ejtag_t *ejtag_info);
+extern int mips_ejtag_config_step(mips_ejtag_t *ejtag_info, int enable_step);
+extern int mips_ejtag_read_debug(mips_ejtag_t *ejtag_info, u32* debug_reg);
+
+#endif /* MIPS_EJTAG */