interesting
/
riscv-openocd
mirror of https://github.com/riscv/riscv-openocd.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

- str9xpec driver now working with new jtag tap config 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1204 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
ntfreak 2008-12-03 17:38:37 +00:00
parent 9ef76992b6
commit 051dcd9127
2 changed files with 14 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
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;
}

1
src/flash/str9xpec.h
View File

@ -78,4 +78,3 @@ enum str9xpec_status_codes
#define STR9XPEC_OPT_OTPBIT 63
#endif /* STR9XPEC_H */