diff options
Diffstat (limited to 'src/target/dsp5680xx.c')
| -rw-r--r-- | src/target/dsp5680xx.c | 53 |
1 files changed, 36 insertions, 17 deletions
diff --git a/src/target/dsp5680xx.c b/src/target/dsp5680xx.c index c25eabf..4cd3ff5 100644 --- a/src/target/dsp5680xx.c +++ b/src/target/dsp5680xx.c @@ -1341,7 +1341,7 @@ int dsp5680xx_f_erase(struct target * target, int first, int last){ const uint16_t pgm_write_pflash[] = {0x8A46,0x0013,0x407D,0xE700,0xE700,0x8A44,0xFFFE,0x017B,0xE700,0xF514,0x8563,0x8646,0x0020,0x0014,0x8646,0x0080,0x0013,0x8A46,0x0013,0x2004,0x8246,0x0013,0x0020,0xA968,0x8A46,0x0013,0x1065,0x8246,0x0013,0x0010,0xA961}; const uint32_t pgm_write_pflash_length = 31; -int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, uint32_t count){ +int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, uint32_t count, int is_flash_lock){ int retval = ERROR_OK; if (dsp5680xx_target_status(target,NULL,NULL) != TARGET_HALTED){ retval = eonce_enter_debug_mode(target,NULL); @@ -1351,10 +1351,12 @@ int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, ui // Download the pgm that flashes. // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- uint32_t my_favourite_ram_address = 0x8700; // This seems to be a safe address. This one is the one used by codewarrior in 56801x_flash.cfg - retval = dsp5680xx_write(target, my_favourite_ram_address, 1, pgm_write_pflash_length*2,(uint8_t *) pgm_write_pflash); - err_check_propagate(retval); - retval = dsp5680xx_execute_queue(); - err_check_propagate(retval); + if(!is_flash_lock){ + retval = dsp5680xx_write(target, my_favourite_ram_address, 1, pgm_write_pflash_length*2,(uint8_t *) pgm_write_pflash); + err_check_propagate(retval); + retval = dsp5680xx_execute_queue(); + err_check_propagate(retval); + } // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- // Set hfmdiv // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- @@ -1422,21 +1424,38 @@ int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, ui dsp5680xx_context.flush = 0; } dsp5680xx_context.flush = 1; - // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - // Verify flash - // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - uint16_t signature; - uint16_t pc_crc; - retval = dsp5680xx_f_signature(target,address,i,&signature); - err_check_propagate(retval); - pc_crc = perl_crc(buffer,i); - if(pc_crc != signature){ - retval = ERROR_FAIL; - err_check(retval,"Flashed data failed CRC check, flash again!"); + if(!is_flash_lock){ + // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + // Verify flash (skip when exec lock sequence) + // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + uint16_t signature; + uint16_t pc_crc; + retval = dsp5680xx_f_signature(target,address,i,&signature); + err_check_propagate(retval); + pc_crc = perl_crc(buffer,i); + if(pc_crc != signature){ + retval = ERROR_FAIL; + err_check(retval,"Flashed data failed CRC check, flash again!"); + } } return retval; } +// Reset state machine +int reset_jtag(void){ + int retval; + tap_state_t states[2]; + const char *cp = "RESET"; + states[0] = tap_state_by_name(cp); + retval = jtag_add_statemove(states[0]); + err_check_propagate(retval); + retval = jtag_execute_queue(); + err_check_propagate(retval); + jtag_add_pathmove(0, states + 1); + retval = jtag_execute_queue(); + return retval; +} + int dsp5680xx_f_unlock(struct target * target){ int retval; if(target->tap->enabled){ @@ -1457,7 +1476,7 @@ int dsp5680xx_f_unlock(struct target * target){ int dsp5680xx_f_lock(struct target * target){ int retval; uint16_t lock_word[] = {HFM_LOCK_FLASH,HFM_LOCK_FLASH}; - retval = dsp5680xx_f_wr(target,(uint8_t *)(lock_word),HFM_LOCK_ADDR_L,4); + retval = dsp5680xx_f_wr(target,(uint8_t *)(lock_word),HFM_LOCK_ADDR_L,4,1); err_check_propagate(retval); return retval; } |