jtag: retire jtag_get/set_end_state()
Voila! This get rids of mysteries about what what state the TAP is in. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
parent
15ff2aeca9
commit
7f6bab0c4c
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@ -86,7 +86,6 @@ static struct jtag_tap *__jtag_all_taps = NULL;
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static unsigned jtag_num_taps = 0;
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static enum reset_types jtag_reset_config = RESET_NONE;
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static tap_state_t cmd_queue_end_state = TAP_RESET;
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tap_state_t cmd_queue_cur_state = TAP_RESET;
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static bool jtag_verify_capture_ir = true;
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@ -717,7 +716,6 @@ void jtag_add_reset(int req_tlr_or_trst, int req_srst)
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*/
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if (trst_with_tlr) {
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LOG_DEBUG("JTAG reset with TLR instead of TRST");
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jtag_set_end_state(TAP_RESET);
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jtag_add_tlr();
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} else if (jtag_trst != new_trst) {
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@ -743,24 +741,6 @@ void jtag_add_reset(int req_tlr_or_trst, int req_srst)
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}
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}
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/* DEPRECATED! store such global state outside JTAG layer */
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void jtag_set_end_state(tap_state_t state)
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{
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if ((state == TAP_DRSHIFT)||(state == TAP_IRSHIFT))
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{
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LOG_ERROR("BUG: TAP_DRSHIFT/IRSHIFT can't be end state. Calling code should use a larger scan field");
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}
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if (state != TAP_INVALID)
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cmd_queue_end_state = state;
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}
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/* DEPRECATED! store such global state outside JTAG layer */
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tap_state_t jtag_get_end_state(void)
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{
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return cmd_queue_end_state;
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}
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void jtag_add_sleep(uint32_t us)
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{
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/// @todo Here, keep_alive() appears to be a layering violation!!!
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@ -550,26 +550,6 @@ void jtag_add_runtest(int num_cycles, tap_state_t endstate);
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*/
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void jtag_add_reset(int req_tlr_or_trst, int srst);
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/**
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* DEPRECATED! store such global state outside JTAG layer
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*
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* Function jtag_set_end_state
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*
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* Set a global variable to \a state if \a state != TAP_INVALID.
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*
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*/
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void jtag_set_end_state(tap_state_t state);
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/**
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* DEPRECATED! store such global state outside JTAG layer
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*
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* Function jtag_get_end_state
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*
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* Return the value of the global variable for end state
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*/
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tap_state_t jtag_get_end_state(void);
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void jtag_add_sleep(uint32_t us);
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int jtag_add_tms_seq(unsigned nbits, const uint8_t *seq, enum tap_state t);
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@ -141,7 +141,6 @@ static int virtex2_load(struct pld_device *pld_device, const char *filename)
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if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)
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return retval;
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jtag_set_end_state(TAP_IDLE);
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virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */
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jtag_execute_queue();
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jtag_add_sleep(1000);
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@ -160,7 +159,6 @@ static int virtex2_load(struct pld_device *pld_device, const char *filename)
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jtag_add_tlr();
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jtag_set_end_state(TAP_IDLE);
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virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
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jtag_add_runtest(13, TAP_IDLE);
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virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
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@ -87,7 +87,6 @@ int adi_jtag_dp_scan(struct adiv5_dap *dap,
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struct scan_field fields[2];
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uint8_t out_addr_buf;
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_set_instr(jtag_info, instr, NULL, TAP_IDLE);
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/* Scan out a read or write operation using some DP or AP register.
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@ -331,7 +330,6 @@ static int jtag_idcode_q_read(struct adiv5_dap *dap,
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struct scan_field fields[1];
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/* This is a standard JTAG operation -- no DAP tweakage */
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jtag_set_end_state(TAP_IDLE);
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retval = arm_jtag_set_instr(jtag_info, JTAG_DP_IDCODE, NULL, TAP_IDLE);
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if (retval != ERROR_OK)
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return retval;
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@ -54,7 +54,6 @@ static int arm720t_scan_cp15(struct target *target,
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buf_set_u32(out_buf, 0, 32, flip_u32(out, 32));
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -687,7 +687,6 @@ int arm7_9_execute_sys_speed(struct target *target)
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struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
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/* set RESTART instruction */
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jtag_set_end_state(TAP_IDLE);
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if (arm7_9->need_bypass_before_restart) {
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arm7_9->need_bypass_before_restart = 0;
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arm_jtag_set_instr(jtag_info, 0xf, NULL, TAP_IDLE);
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@ -740,7 +739,6 @@ int arm7_9_execute_fast_sys_speed(struct target *target)
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struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
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/* set RESTART instruction */
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jtag_set_end_state(TAP_IDLE);
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if (arm7_9->need_bypass_before_restart) {
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arm7_9->need_bypass_before_restart = 0;
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arm_jtag_set_instr(jtag_info, 0xf, NULL, TAP_IDLE);
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@ -1743,7 +1741,6 @@ int arm7_9_restart_core(struct target *target)
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struct arm_jtag *jtag_info = &arm7_9->jtag_info;
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/* set RESTART instruction */
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jtag_set_end_state(TAP_IDLE);
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if (arm7_9->need_bypass_before_restart) {
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arm7_9->need_bypass_before_restart = 0;
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arm_jtag_set_instr(jtag_info, 0xf, NULL, TAP_IDLE);
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@ -56,8 +56,6 @@ static int arm7tdmi_examine_debug_reason(struct target *target)
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uint8_t databus[4];
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uint8_t breakpoint;
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jtag_set_end_state(TAP_DRPAUSE);
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fields[0].num_bits = 1;
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fields[0].out_value = NULL;
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fields[0].in_value = &breakpoint;
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@ -119,7 +117,6 @@ static __inline int arm7tdmi_clock_out_inner(struct arm_jtag *jtag_info, uint32_
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static __inline int arm7tdmi_clock_out(struct arm_jtag *jtag_info,
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uint32_t out, uint32_t *deprecated, int breakpoint)
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{
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jtag_set_end_state(TAP_DRPAUSE);
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arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE);
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@ -132,7 +129,6 @@ static int arm7tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in)
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int retval = ERROR_OK;
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struct scan_field fields[2];
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -217,7 +213,6 @@ static int arm7tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info,
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int retval = ERROR_OK;
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struct scan_field fields[2];
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -91,7 +91,6 @@ static int arm920t_read_cp15_physical(struct target *target,
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jtag_info = &arm920t->arm7_9_common.jtag_info;
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -142,7 +141,6 @@ static int arm920t_write_cp15_physical(struct target *target,
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buf_set_u32(value_buf, 0, 32, value);
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -192,7 +190,6 @@ static int arm920t_execute_cp15(struct target *target, uint32_t cp15_opcode,
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jtag_info = &arm920t->arm7_9_common.jtag_info;
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -63,7 +63,6 @@ static int arm926ejs_cp15_read(struct target *target, uint32_t op1, uint32_t op2
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buf_set_u32(address_buf, 0, 14, address);
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jtag_set_end_state(TAP_IDLE);
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if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
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{
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return retval;
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@ -152,7 +151,6 @@ static int arm926ejs_cp15_write(struct target *target, uint32_t op1, uint32_t op
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buf_set_u32(address_buf, 0, 14, address);
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buf_set_u32(value_buf, 0, 32, value);
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jtag_set_end_state(TAP_IDLE);
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if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
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{
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return retval;
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@ -84,7 +84,6 @@ static int arm966e_read_cp15(struct target *target, int reg_addr, uint32_t *valu
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uint8_t reg_addr_buf = reg_addr & 0x3f;
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uint8_t nr_w_buf = 0;
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jtag_set_end_state(TAP_IDLE);
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if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
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{
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return retval;
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@ -139,7 +138,6 @@ int arm966e_write_cp15(struct target *target, int reg_addr, uint32_t value)
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buf_set_u32(value_buf, 0, 32, value);
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jtag_set_end_state(TAP_IDLE);
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if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
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{
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return retval;
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@ -87,8 +87,6 @@ int arm9tdmi_examine_debug_reason(struct target *target)
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uint8_t instructionbus[4];
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uint8_t debug_reason;
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jtag_set_end_state(TAP_DRPAUSE);
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fields[0].num_bits = 32;
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fields[0].out_value = NULL;
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fields[0].in_value = databus;
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@ -154,7 +152,6 @@ int arm9tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t instr,
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if (sysspeed)
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buf_set_u32(&sysspeed_buf, 2, 1, 1);
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -213,7 +210,6 @@ int arm9tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in)
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int retval = ERROR_OK;;
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struct scan_field fields[3];
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -280,7 +276,6 @@ int arm9tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info,
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int retval = ERROR_OK;
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struct scan_field fields[3];
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jtag_set_end_state(TAP_DRPAUSE);
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if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK)
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{
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return retval;
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@ -343,7 +343,6 @@ int embeddedice_read_reg_w_check(struct reg *reg,
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uint8_t field1_out[1];
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uint8_t field2_out[1];
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
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arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -405,7 +404,6 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
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uint8_t field1_out[1];
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uint8_t field2_out[1];
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -490,7 +488,6 @@ void embeddedice_write_reg(struct reg *reg, uint32_t value)
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LOG_DEBUG("%i: 0x%8.8" PRIx32 "", ice_reg->addr, value);
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
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arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -523,7 +520,6 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
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uint8_t field1_out[1];
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uint8_t field2_out[1];
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -576,7 +572,6 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
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else
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return ERROR_INVALID_ARGUMENTS;
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -173,7 +173,6 @@ static int etb_read_ram(struct etb *etb, uint32_t *data, int num_frames)
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struct scan_field fields[3];
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int i;
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jtag_set_end_state(TAP_IDLE);
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etb_scann(etb, 0x0);
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etb_set_instr(etb, 0xc);
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@ -227,7 +226,6 @@ static int etb_read_reg_w_check(struct reg *reg,
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LOG_DEBUG("%i", (int)(etb_reg->addr));
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jtag_set_end_state(TAP_IDLE);
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etb_scann(etb_reg->etb, 0x0);
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etb_set_instr(etb_reg->etb, 0xc);
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@ -310,7 +308,6 @@ static int etb_write_reg(struct reg *reg, uint32_t value)
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LOG_DEBUG("%i: 0x%8.8" PRIx32 "", (int)(etb_reg->addr), value);
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jtag_set_end_state(TAP_IDLE);
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etb_scann(etb_reg->etb, 0x0);
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etb_set_instr(etb_reg->etb, 0xc);
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@ -504,7 +504,6 @@ static int etm_read_reg_w_check(struct reg *reg,
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LOG_DEBUG("%s (%u)", r->name, reg_addr);
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE);
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arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -587,7 +586,6 @@ static int etm_write_reg(struct reg *reg, uint32_t value)
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LOG_DEBUG("%s (%u): 0x%8.8" PRIx32 "", r->name, reg_addr, value);
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jtag_set_end_state(TAP_IDLE);
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arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE);
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arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
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@ -84,7 +84,6 @@ int feroceon_dummy_clock_out(struct arm_jtag *jtag_info, uint32_t instr)
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buf_set_u32(instr_buf, 0, 32, flip_u32(instr, 32));
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jtag_set_end_state(TAP_DRPAUSE);
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arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE);
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arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE);
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@ -56,8 +56,6 @@ int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode)
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{
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struct scan_field field;
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jtag_set_end_state(TAP_IDLE);
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mips_ejtag_set_instr(ejtag_info, EJTAG_INST_IDCODE);
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field.num_bits = 32;
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@ -78,8 +76,6 @@ int mips_ejtag_get_impcode(struct mips_ejtag *ejtag_info, uint32_t *impcode)
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{
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struct scan_field field;
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jtag_set_end_state(TAP_IDLE);
|
||||
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_IMPCODE);
|
||||
|
||||
field.num_bits = 32;
|
||||
|
@ -209,7 +205,6 @@ int mips_ejtag_config_step(struct mips_ejtag *ejtag_info, int enable_step)
|
|||
int mips_ejtag_enter_debug(struct mips_ejtag *ejtag_info)
|
||||
{
|
||||
uint32_t ejtag_ctrl;
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
|
||||
|
||||
/* set debug break bit */
|
||||
|
|
|
@ -112,7 +112,6 @@ int mips_m4k_poll(struct target *target)
|
|||
uint32_t ejtag_ctrl = ejtag_info->ejtag_ctrl;
|
||||
|
||||
/* read ejtag control reg */
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
|
||||
mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
|
||||
|
||||
|
@ -122,7 +121,6 @@ int mips_m4k_poll(struct target *target)
|
|||
{
|
||||
/* we have detected a reset, clear flag
|
||||
* otherwise ejtag will not work */
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_ROCC;
|
||||
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
|
||||
|
@ -135,7 +133,6 @@ int mips_m4k_poll(struct target *target)
|
|||
{
|
||||
if ((target->state == TARGET_RUNNING) || (target->state == TARGET_RESET))
|
||||
{
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_NORMALBOOT);
|
||||
|
||||
target->state = TARGET_HALTED;
|
||||
|
@ -227,12 +224,10 @@ int mips_m4k_assert_reset(struct target *target)
|
|||
if (target->reset_halt)
|
||||
{
|
||||
/* use hardware to catch reset */
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_EJTAGBOOT);
|
||||
}
|
||||
else
|
||||
{
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_NORMALBOOT);
|
||||
}
|
||||
|
||||
|
|
|
@ -191,7 +191,6 @@ static int xscale_read_dcsr(struct target *target)
|
|||
uint8_t field2_check_value = 0x0;
|
||||
uint8_t field2_check_mask = 0x1;
|
||||
|
||||
jtag_set_end_state(TAP_DRPAUSE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_SELDCSR << xscale->xscale_variant,
|
||||
TAP_DRPAUSE);
|
||||
|
@ -235,8 +234,6 @@ static int xscale_read_dcsr(struct target *target)
|
|||
fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value;
|
||||
fields[1].in_value = NULL;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
|
||||
jtag_add_dr_scan(target->tap, 3, fields, TAP_DRPAUSE);
|
||||
|
||||
/* DANGER!!! this must be here. It will make sure that the arguments
|
||||
|
@ -286,7 +283,6 @@ static int xscale_receive(struct target *target, uint32_t *buffer, int num_words
|
|||
fields[2].check_value = &field2_check_value;
|
||||
fields[2].check_mask = &field2_check_mask;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_DBGTX << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -369,8 +365,6 @@ static int xscale_read_tx(struct target *target, int consume)
|
|||
uint8_t field2_check_value = 0x0;
|
||||
uint8_t field2_check_mask = 0x1;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_DBGTX << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -466,8 +460,6 @@ static int xscale_write_rx(struct target *target)
|
|||
uint8_t field2_check_value = 0x0;
|
||||
uint8_t field2_check_mask = 0x1;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_DBGRX << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -545,8 +537,6 @@ static int xscale_send(struct target *target, uint8_t *buffer, int count, int si
|
|||
int retval;
|
||||
int done_count = 0;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_DBGRX << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -629,7 +619,6 @@ static int xscale_write_dcsr(struct target *target, int hold_rst, int ext_dbg_br
|
|||
if (ext_dbg_brk != -1)
|
||||
xscale->external_debug_break = ext_dbg_brk;
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_SELDCSR << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -692,7 +681,6 @@ static int xscale_load_ic(struct target *target, uint32_t va, uint32_t buffer[8]
|
|||
LOG_DEBUG("loading miniIC at 0x%8.8" PRIx32 "", va);
|
||||
|
||||
/* LDIC into IR */
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_LDIC << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -744,7 +732,6 @@ static int xscale_invalidate_ic_line(struct target *target, uint32_t va)
|
|||
uint8_t cmd;
|
||||
struct scan_field fields[2];
|
||||
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_LDIC << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
@ -1484,7 +1471,6 @@ static int xscale_assert_reset(struct target *target)
|
|||
/* select DCSR instruction (set endstate to R-T-I to ensure we don't
|
||||
* end up in T-L-R, which would reset JTAG
|
||||
*/
|
||||
jtag_set_end_state(TAP_IDLE);
|
||||
xscale_jtag_set_instr(target->tap,
|
||||
XSCALE_SELDCSR << xscale->xscale_variant,
|
||||
TAP_IDLE);
|
||||
|
|
Loading…
Reference in New Issue