target: add basic dsp563xx support

1 files changed, 124 insertions, 0 deletions

diff --git a/src/target/dsp563xx_once.c b/src/target/dsp563xx_once.c
new file mode 100644
index 00000000..0186751f
--- /dev/null
+++ b/src/target/dsp563xx_once.c
@@ -0,0 +1,124 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Mathias Kuester                                 *
+ *   mkdorg@users.sourceforge.net                                          *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <helper/jim.h>
+
+#include "target.h"
+#include "target_type.h"
+#include "register.h"
+#include "dsp563xx.h"
+#include "dsp563xx_once.h"
+
+/** single word instruction */
+int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
+			  uint8_t go, uint8_t ex)
+{
+	dsp563xx_write_dr_u8(tap, 0,
+			     instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+	dsp563xx_execute_queue();
+
+	return ERROR_OK;
+}
+
+/** single word instruction */
+int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
+			     uint8_t go, uint8_t ex)
+{
+	dsp563xx_write_dr_u8(tap, 0,
+			     instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+
+	return ERROR_OK;
+}
+
+/** once read register */
+int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
+{
+	uint32_t dr_in;
+
+	dr_in = 0;
+
+	dsp563xx_once_ir_exec(tap, reg, 1, 0, 0);
+	dsp563xx_write_dr_u32(tap, &dr_in, 0x00, 24, 0);
+	dsp563xx_execute_queue();
+
+	*data = dr_in;
+
+	return ERROR_OK;
+}
+
+/** once write register */
+int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data)
+{
+	dsp563xx_once_ir_exec(tap, reg, 0, 0, 0);
+	dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0);
+	dsp563xx_execute_queue();
+
+	return ERROR_OK;
+}
+
+/** single word instruction */
+int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode)
+{
+	dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+	dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+	dsp563xx_execute_queue();
+
+	return ERROR_OK;
+}
+
+/** double word instruction */
+int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
+				uint32_t operand)
+{
+	dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
+	dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+	dsp563xx_execute_queue();
+
+	dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+	dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
+	dsp563xx_execute_queue();
+
+	return ERROR_OK;
+}
+
+/** single word instruction */
+int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode)
+{
+	dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+	dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+
+	return ERROR_OK;
+}
+
+/** double word instruction */
+int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
+				   uint32_t operand)
+{
+	dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
+	dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+
+	dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+	dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
+
+	return ERROR_OK;
+}