From 53590217eee6106782b2bb85ed334adf7c5e68c1 Mon Sep 17 00:00:00 2001 From: ntfreak Date: Sat, 26 Jul 2008 10:32:11 +0000 Subject: - merged mips target into svn trunk git-svn-id: svn://svn.berlios.de/openocd/trunk@874 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/mips_ejtag.h | 107 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 src/target/mips_ejtag.h (limited to 'src/target/mips_ejtag.h') 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 */ -- cgit v1.2.3