125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
/***************************************************************************
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* Copyright (C) 2009 by Mathias Kuester *
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* mkdorg@users.sourceforge.net *
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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 *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <jim.h>
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#include "target.h"
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#include "target_type.h"
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#include "register.h"
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#include "dsp563xx.h"
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#include "dsp563xx_once.h"
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/** single word instruction */
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static int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
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uint8_t go, uint8_t ex)
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{
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dsp563xx_write_dr_u8(tap, 0,
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instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
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dsp563xx_execute_queue();
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return ERROR_OK;
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}
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/** single word instruction */
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static int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
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uint8_t go, uint8_t ex)
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{
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dsp563xx_write_dr_u8(tap, 0,
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instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
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return ERROR_OK;
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}
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/** once read register */
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int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
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{
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uint32_t dr_in;
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dr_in = 0;
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dsp563xx_once_ir_exec(tap, reg, 1, 0, 0);
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dsp563xx_write_dr_u32(tap, &dr_in, 0x00, 24, 0);
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dsp563xx_execute_queue();
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*data = dr_in;
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return ERROR_OK;
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}
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/** once write register */
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int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data)
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{
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dsp563xx_once_ir_exec(tap, reg, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0);
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dsp563xx_execute_queue();
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return ERROR_OK;
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}
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/** single word instruction */
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int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode)
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{
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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dsp563xx_execute_queue();
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return ERROR_OK;
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}
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/** double word instruction */
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int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
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uint32_t operand)
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{
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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dsp563xx_execute_queue();
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
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dsp563xx_execute_queue();
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return ERROR_OK;
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}
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/** single word instruction */
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int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode)
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{
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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return ERROR_OK;
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}
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/** double word instruction */
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int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
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uint32_t operand)
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{
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
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return ERROR_OK;
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}
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