diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/dsp5680xx.c | 46 |
1 files changed, 8 insertions, 38 deletions
diff --git a/src/target/dsp5680xx.c b/src/target/dsp5680xx.c index d1c1d198..1f26b69a 100644 --- a/src/target/dsp5680xx.c +++ b/src/target/dsp5680xx.c @@ -246,7 +246,6 @@ static int eonce_read_status_reg(struct target * target, uint16_t * data){ static int dsp5680xx_halt(struct target *target){ int retval; - uint8_t jtag_status; uint16_t eonce_status; if(target->state == TARGET_HALTED){ LOG_USER("Target already halted."); @@ -254,8 +253,6 @@ static int dsp5680xx_halt(struct target *target){ } retval = eonce_enter_debug_mode(target,&eonce_status); err_check_propagate(retval); - retval = dsp5680xx_jtag_status(target,&jtag_status); - err_check_propagate(retval); retval = eonce_pc_store(target); err_check_propagate(retval); //TODO is it useful to store the pc? @@ -268,17 +265,7 @@ static int dsp5680xx_resume(struct target *target, int current, uint32_t address return ERROR_OK; } int retval; - uint8_t jtag_status; - uint16_t eonce_status; - - // Verify that EOnCE is enabled (enable it if necessary) - uint16_t data_read_from_dr = 0; - retval = eonce_read_status_reg(target,&data_read_from_dr); - err_check_propagate(retval); - if((data_read_from_dr&DSP5680XX_ONCE_OSCR_DEBUG_M) != DSP5680XX_ONCE_OSCR_DEBUG_M){ - retval = eonce_enter_debug_mode(target,NULL); - err_check_propagate(retval); - } + uint8_t eonce_status; if(!current){ retval = eonce_move_value_to_pc(target,address); err_check_propagate(retval); @@ -286,21 +273,17 @@ static int dsp5680xx_resume(struct target *target, int current, uint32_t address int retry = 20; while(retry-- > 1){ - retval = eonce_exit_debug_mode(target,(uint8_t *)&eonce_status ); - err_check_propagate(retval); - retval = dsp5680xx_jtag_status(target,&jtag_status); + retval = eonce_exit_debug_mode(target,&eonce_status ); err_check_propagate(retval); - if((jtag_status & 0xff) == JTAG_STATUS_NORMAL){ + if(eonce_status == DSP5680XX_ONCE_OSCR_NORMAL_M) break; - } } if(retry == 0){ retval = ERROR_TARGET_FAILURE; err_check(retval,"Failed to resume..."); }else{ target->state = TARGET_RUNNING; - }; - LOG_DEBUG("JTAG status: 0x%02X.",jtag_status); + } LOG_DEBUG("EOnCE status: 0x%02X.",eonce_status); return ERROR_OK; } @@ -916,25 +899,12 @@ static int dsp5680xx_bulk_write_memory(struct target * target,uint32_t address, return ERROR_FAIL; } -// Writes to pram at address -// r3 holds the destination address-> p:(r3) -// r2 hold 0xf151 to flash a led (probably cannot see it due to high freq.) -// r0 holds TX/RX address. -//0x00000073 0x8A44FFFE017B brclr #1,X:(R0-2),*-2 -//0x00000076 0xE700 nop -//0x00000077 0xF514 move.w X:(R0),Y0 -//0x00000078 0xE700 nop -//0x00000079 0x8563 move.w Y0,P:(R3)+ -//0x0000007A 0x84420003 bfchg #3,X:(R2) -//0x0000007C 0xA976 bra *-9 -uint16_t pgm_write_pram[] = {0x8A44,0xFFFE,0x017D,0xE700,0xF514,0xE700,0x8563,0x8442,0x0003,0xA976}; -uint16_t pgm_write_pram_length = 10; - static int dsp5680xx_write_buffer(struct target * target, uint32_t address, uint32_t size, const uint8_t * buffer){ - // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - // this solution works, but it's slow. it flushes USB all the time. + if(target->state != TARGET_HALTED){ + LOG_USER("Target must be halted."); + return ERROR_OK; + } return dsp5680xx_write(target, address, 1, size, buffer); - // -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- } static int dsp5680xx_read_buffer(struct target * target, uint32_t address, uint32_t size, uint8_t * buffer){ |