diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/str9xpec.c | 44 | ||||
| -rw-r--r-- | src/flash/str9xpec.h | 1 |
2 files changed, 14 insertions, 31 deletions
diff --git a/src/flash/str9xpec.c b/src/flash/str9xpec.c index 662cdc5b..9dad2872 100644 --- a/src/flash/str9xpec.c +++ b/src/flash/str9xpec.c @@ -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; } diff --git a/src/flash/str9xpec.h b/src/flash/str9xpec.h index de19b625..7796026f 100644 --- a/src/flash/str9xpec.h +++ b/src/flash/str9xpec.h @@ -78,4 +78,3 @@ enum str9xpec_status_codes #define STR9XPEC_OPT_OTPBIT 63 #endif /* STR9XPEC_H */ - |