+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* 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 "dsp563xx.h"
#include "dsp563xx_once.h"
+#define JTAG_STATUS_STATIC_MASK 0x03
+#define JTAG_STATUS_STATIC_VALUE 0x01
+
#define JTAG_STATUS_NORMAL 0x01
#define JTAG_STATUS_STOPWAIT 0x05
#define JTAG_STATUS_BUSY 0x09
#define JTAG_INSTR_EXTEST 0x00
#define JTAG_INSTR_SAMPLE_PRELOAD 0x01
#define JTAG_INSTR_IDCODE 0x02
-#define JTAG_INSTR_CLAMP 0x03
#define JTAG_INSTR_HIZ 0x04
+#define JTAG_INSTR_CLAMP 0x05
#define JTAG_INSTR_ENABLE_ONCE 0x06
#define JTAG_INSTR_DEBUG_REQUEST 0x07
#define JTAG_INSTR_BYPASS 0x0F
-static inline int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out, int dr_len, int rti)
+/** */
+static inline int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti)
{
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
-
jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
return ERROR_OK;
}
-static inline int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * dr_in, uint8_t dr_out, int dr_len, int rti)
+/** */
+static inline int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t *dr_in, uint8_t dr_out, int dr_len, int rti)
{
- if (dr_len > 8)
- {
- LOG_ERROR("dr_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
return dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti);
}
-static inline int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out, int dr_len, int rti)
+/** */
+static inline int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int dr_len, int rti)
{
- if (dr_len > 32)
- {
- LOG_ERROR("dr_len overflow, maxium is 32");
- return ERROR_FAIL;
- }
-
- return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
+ return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) &dr_out, dr_len, rti);
}
/** single word instruction */
-static inline int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
+static inline int dsp563xx_once_ir_exec(struct jtag_tap *tap, int flush, uint8_t instr,
+ uint8_t rw, uint8_t go, uint8_t ex)
{
int err;
- if ((err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+ if (err != ERROR_OK)
return err;
-
- return jtag_execute_queue();
-}
-
-/** single word instruction */
-static inline int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
-{
- return dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+ if (flush)
+ err = jtag_execute_queue();
+ return err;
}
/* IR and DR functions */
-static inline int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out, int ir_len, int rti)
+static inline int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti)
{
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
- if (ir_len != tap->ir_length)
- {
- LOG_ERROR("invalid ir_len");
- return ERROR_FAIL;
- }
-
jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
return ERROR_OK;
}
-static inline int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out, int ir_len, int rti)
+static inline int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti)
{
- if (ir_len > 8)
- {
- LOG_ERROR("ir_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
return dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti);
}
-static inline int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out)
+static inline int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out)
{
return dsp563xx_write_ir_u8(tap, ir_in, ir_out, tap->ir_length, 1);
}
int err;
uint8_t jtag_status;
- if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
- return err;
- if ((err = jtag_execute_queue()) != ERROR_OK)
- return err;
+ err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE);
+ if (err != ERROR_OK)
+ return TARGET_UNKNOWN;
+ err = jtag_execute_queue();
+ if (err != ERROR_OK)
+ return TARGET_UNKNOWN;
- if ((jtag_status & 1) != 1)
- {
+ /* verify correct static status pattern */
+ if ((jtag_status & JTAG_STATUS_STATIC_MASK) != JTAG_STATUS_STATIC_VALUE)
return TARGET_UNKNOWN;
- }
if (jtag_status != JTAG_STATUS_DEBUG)
- {
return TARGET_RUNNING;
- }
return TARGET_HALTED;
}
/* in reset state we only get a ACK
* from the interface */
if (reset_state)
- {
pattern = 1;
- }
else
- {
pattern = JTAG_STATUS_DEBUG;
- }
/* wait until we get the ack */
- while (ir_in != pattern)
- {
- if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST)) != ERROR_OK)
+ while (ir_in != pattern) {
+ err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST);
+ if (err != ERROR_OK)
return err;
- if ((err = jtag_execute_queue()) != ERROR_OK)
+ err = jtag_execute_queue();
+ if (err != ERROR_OK)
return err;
LOG_DEBUG("debug request: %02X", ir_in);
if (retry++ == 100)
- {
return ERROR_TARGET_FAILURE;
- }
}
/* we cant enable the once in reset state */
if (pattern == 1)
- {
return ERROR_OK;
- }
/* try to enable once */
retry = 0;
ir_in = 0;
- while (ir_in != pattern)
- {
- if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
+ while (ir_in != pattern) {
+ err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE);
+ if (err != ERROR_OK)
return err;
- if ((err = jtag_execute_queue()) != ERROR_OK)
+ err = jtag_execute_queue();
+ if (err != ERROR_OK)
return err;
LOG_DEBUG("enable once: %02X", ir_in);
- if (retry++ == 100)
- {
+ if (retry++ == 100) {
LOG_DEBUG("error");
return ERROR_TARGET_FAILURE;
}
}
if (ir_in != JTAG_STATUS_DEBUG)
- {
return ERROR_TARGET_FAILURE;
- }
return ERROR_OK;
}
/** once read registers */
-int dsp563xx_once_read_register(struct jtag_tap *tap, struct once_reg *regs, int len)
+int dsp563xx_once_read_register(struct jtag_tap *tap, int flush, struct once_reg *regs, int len)
{
int i;
- int err;
+ int err = ERROR_OK;
- for (i = 0; i < len; i++)
- {
- if ((err = dsp563xx_once_reg_read_ex_nq(tap, regs[i].addr, regs[i].len, ®s[i].reg)) != ERROR_OK)
+ for (i = 0; i < len; i++) {
+ err = dsp563xx_once_reg_read_ex(tap, flush, regs[i].addr, regs[i].len, ®s[i].reg);
+ if (err != ERROR_OK)
return err;
}
- return jtag_execute_queue();
-/*
- for(i=0;i<len;i++)
- {
- printf("%08X\n",regs[i].reg);
- }
-*/
-}
-
-/** once read register */
-int dsp563xx_once_reg_read_ex_nq(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
-{
- int err;
-
- if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
- return err;
- return dsp563xx_write_dr_u32(tap, data, 0x00, len, 0);
+ if (flush)
+ err = jtag_execute_queue();
+ return err;
}
-/** once read register */
-int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
+/** once read register with register len */
+int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, int flush, uint8_t reg, uint8_t len, uint32_t *data)
{
int err;
- if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, 1, reg, 1, 0, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0);
+ if (err != ERROR_OK)
return err;
- return jtag_execute_queue();
+ if (flush)
+ err = jtag_execute_queue();
+
+ return err;
}
/** once read register */
-int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
+int dsp563xx_once_reg_read(struct jtag_tap *tap, int flush, uint8_t reg, uint32_t *data)
{
int err;
- if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, flush, reg, 1, 0, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0);
+ if (err != ERROR_OK)
return err;
- return jtag_execute_queue();
+ if (flush)
+ err = jtag_execute_queue();
+
+ return err;
}
/** once write register */
-int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data)
+int dsp563xx_once_reg_write(struct jtag_tap *tap, int flush, uint8_t reg, uint32_t data)
{
int err;
- if ((err = dsp563xx_once_ir_exec(tap, reg, 0, 0, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, flush, reg, 0, 0, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0);
+ if (err != ERROR_OK)
return err;
- return jtag_execute_queue();
+ if (flush)
+ err = jtag_execute_queue();
+ return err;
}
/** single word instruction */
-int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode)
+int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, int flush, uint32_t opcode)
{
int err;
- if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+ if (err != ERROR_OK)
return err;
- return jtag_execute_queue();
+ if (flush)
+ err = jtag_execute_queue();
+ return err;
}
/** double word instruction */
-int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
+int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, int flush, uint32_t opcode, uint32_t operand)
{
int err;
- if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
- return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 0, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = jtag_execute_queue()) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+ if (err != ERROR_OK)
return err;
+ if (flush) {
+ err = jtag_execute_queue();
+ if (err != ERROR_OK)
+ return err;
+ }
- if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
- return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
- return err;
- if ((err = jtag_execute_queue()) != ERROR_OK)
- return err;
-
- return ERROR_OK;
-}
-
-/** single word instruction */
-int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode)
-{
- int err;
-
- if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
- return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
- return err;
-
- return ERROR_OK;
-}
-
-/** double word instruction */
-int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
-{
- int err;
-
- if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
+ err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0);
+ if (err != ERROR_OK)
return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
- return err;
- if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
- return err;
- if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
+ err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
+ if (err != ERROR_OK)
return err;
+ if (flush) {
+ err = jtag_execute_queue();
+ if (err != ERROR_OK)
+ return err;
+ }
return ERROR_OK;
}
projects / fw / openocd / blobdiff