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- str9xpec driver now working with new jtag tap config

git-svn-id: svn://svn.berlios.de/openocd/trunk@1204 b42882b7-edfa-0310-969c-e2dbd0fdcd60
tags/v0.1.0
ntfreak 15 years ago
parent
commit
051dcd9127
2 changed files with 14 additions and 31 deletions
  1. +14
    -30
      src/flash/str9xpec.c
  2. +0
    -1
      src/flash/str9xpec.h

+ 14
- 30
src/flash/str9xpec.c View File

@@ -349,13 +349,10 @@ int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, ch
armv4_5 = bank->target->arch_info;
arm7_9 = armv4_5->arch_info;
jtag_info = &arm7_9->jtag_info;


str9xpec_info->tap = jtag_TapByAbsPosition( jtag_info->tap->abs_chain_position - 1);
str9xpec_info->isc_enable = 0;


str9xpec_build_block_list(bank);

/* clear option byte register */
@@ -1265,13 +1262,8 @@ int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char

int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
#if 1
command_print( cmd_ctx, "**STR9FLASH is currently broken :-( **");
return ERROR_OK;
#else
int retval;
flash_bank_t *bank;
jtag_tap_t *tapX;
jtag_tap_t *tap0;
jtag_tap_t *tap1;
jtag_tap_t *tap2;
@@ -1292,40 +1284,33 @@ int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx

str9xpec_info = bank->driver_priv;

tapX = str9xpec_info->tap;
tap0 = str9xpec_info->tap;

/* remove arm core from chain - enter turbo mode */
//
// At postion +2 in the chain,
// I do not think this is right..
// I have not tested it...
// and it is a bit wacky right now.
// -- Duane 25/nov/2008
tap0 = tapX;
tap1 = tap0->next_tap;
if( tap1 == NULL ){
// things are *WRONG*
if (tap1 == NULL)
{
/* things are *WRONG* */
command_print(cmd_ctx,"**STR9FLASH** (tap1) invalid chain?");
return ERROR_OK;
}
tap2 = tap1->next_tap;
if( tap2 == NULL ){
// things are *WRONG*
if (tap2 == NULL)
{
/* things are *WRONG* */
command_print(cmd_ctx,"**STR9FLASH** (tap2) invalid chain?");
return ERROR_OK;
}

// this instruction disables the arm9 tap
/* enable turbo mode - TURBO-PROG-ENABLE */
str9xpec_set_instr(tap2, 0xD, TAP_RTI);
if ((retval=jtag_execute_queue())!=ERROR_OK)
if ((retval = jtag_execute_queue()) != ERROR_OK)
return retval;

/* modify scan chain - str9 core has been removed */
str9xpec_info->devarm = tap1;
tap1->enabled = 0;
return ERROR_OK;
#endif
}

int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
@@ -1348,18 +1333,17 @@ int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ct
}

str9xpec_info = bank->driver_priv;

tap = str9xpec_info->tap;

if (tap == NULL)
return ERROR_FAIL;


/* exit turbo mode via TLR */
str9xpec_set_instr(tap, ISC_NOOP, TAP_TLR);
jtag_execute_queue();
/* restore previous scan chain */
if( tap->next_tap ){
if (tap->next_tap) {
tap->next_tap->enabled = 1;
}



+ 0
- 1
src/flash/str9xpec.h View File

@@ -78,4 +78,3 @@ enum str9xpec_status_codes
#define STR9XPEC_OPT_OTPBIT 63

#endif /* STR9XPEC_H */


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