107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/* MSPDebug - debugging tool for MSP430 MCUs
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* Copyright (C) 2009-2012 Daniel Beer
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* Copyright (C) 2012 Peter Bägel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* jtag functions are taken from TIs SLAA149–September 2002
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*
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* 2012-10-03 Peter Bägel (DF5EQ)
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*/
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#ifndef JTAGLIB_H_
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#define JTAGLIB_H_
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#include <stdint.h>
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#include "jtdev.h"
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#include "util.h"
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/* Flash erasing modes */
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#define JTAG_ERASE_MASS 0xA506
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#define JTAG_ERASE_MAIN 0xA504
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#define JTAG_ERASE_SGMT 0xA502
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/* Take target device under JTAG control. */
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unsigned int jtag_init(struct jtdev *p);
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unsigned int jtag_get_device(struct jtdev *p);
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/* Read the target chip id. */
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unsigned int jtag_chip_id(struct jtdev *p);
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/* Reads one byte/word from a given address */
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uint16_t jtag_read_mem(struct jtdev *p,
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unsigned int format,
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address_t address);
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/* Reads an array of words from target memory */
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void jtag_read_mem_quick(struct jtdev *p,
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address_t start_address,
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unsigned int word_count,
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uint16_t *data);
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/* Writes one byte/word at a given address */
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void jtag_write_mem(struct jtdev *p,
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unsigned int format,
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address_t address,
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uint16_t data);
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/* Writes an array of words into target memory */
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void jtag_write_mem_quick(struct jtdev *p,
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address_t start_address,
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unsigned int word_count,
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const uint16_t *data);
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/* This function checks if the JTAG access security fuse is blown */
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int jtag_is_fuse_blown(struct jtdev *p);
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/* Execute a Power-Up Clear (PUC) using JTAG CNTRL SIG register */
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unsigned int jtag_execute_puc(struct jtdev *p);
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/* Release the target device from JTAG control */
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void jtag_release_device(struct jtdev *p, address_t address);
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/* Performs a verification over the given memory range */
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int jtag_verify_mem(struct jtdev *p,
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address_t start_address,
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unsigned int word_count,
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const uint16_t *data);
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/* Performs an erase check over the given memory range */
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int jtag_erase_check(struct jtdev *p,
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address_t start_address,
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unsigned int word_count);
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/* Programs/verifies an array of words into a FLASH */
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void jtag_write_flash(struct jtdev *p,
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address_t start_address,
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unsigned int word_count,
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const uint16_t *data);
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/* Performs a mass erase or a segment erase of a FLASH module */
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void jtag_erase_flash(struct jtdev *p,
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unsigned int erase_mode,
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address_t erase_address);
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/* Reads a register from the target CPU */
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address_t jtag_read_reg(struct jtdev *p, int reg);
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/* Writes a value into a register of the target CPU */
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void jtag_write_reg(struct jtdev *p, int reg, address_t value);
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#endif
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