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authorRodrigo L. Rosa <rodrigorosa.lg@gmail.com>2011-05-18 20:11:04 -0700
committerØyvind Harboe <oyvind.harboe@zylin.com>2011-05-19 07:27:02 +0200
commitef599aebfdbca9fa1b710d272d93d9d6b6999801 (patch)
treed1891eeed5460d121c3024ce9342676df24498a3 /src
parentee124401a21f4dff3332f3f417b7bd2e67034cbc (diff)
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flashing speed improved using queued jtag. error propagation improved.
Diffstat (limited to 'src')
-rw-r--r--src/flash/nor/dsp5680xx_flash.c6
-rw-r--r--src/target/dsp5680xx.c617
-rw-r--r--src/target/dsp5680xx.h21
3 files changed, 354 insertions, 290 deletions
diff --git a/src/flash/nor/dsp5680xx_flash.c b/src/flash/nor/dsp5680xx_flash.c
index 7b88f7a5..e9c4e825 100644
--- a/src/flash/nor/dsp5680xx_flash.c
+++ b/src/flash/nor/dsp5680xx_flash.c
@@ -142,8 +142,8 @@ static int dsp5680xx_flash_write(struct flash_bank *bank, uint8_t *buffer, uint3
}
static int dsp5680xx_probe(struct flash_bank *bank){
- //LOG_USER("%s not implemented",__FUNCTION__);
- return ERROR_OK;
+ LOG_DEBUG("%s not implemented",__FUNCTION__);
+ return ERROR_OK;
}
static int dsp5680xx_flash_info(struct flash_bank *bank, char *buf, int buf_size){
@@ -197,7 +197,7 @@ struct flash_driver dsp5680xx_flash = {
.protect = dsp5680xx_flash_protect,
.write = dsp5680xx_flash_write,
//.read = default_flash_read,
- //.probe = dsp5680xx_probe,
+ .probe = dsp5680xx_probe,
.auto_probe = dsp5680xx_probe,
.erase_check = dsp5680xx_flash_erase_check,
.protect_check = dsp5680xx_flash_protect_check,
diff --git a/src/target/dsp5680xx.c b/src/target/dsp5680xx.c
index 823fe522..12b323ed 100644
--- a/src/target/dsp5680xx.c
+++ b/src/target/dsp5680xx.c
@@ -23,42 +23,41 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <helper/log.h>
-
-#include <jim.h>
#include "target.h"
#include "target_type.h"
-#include "register.h"
#include "dsp5680xx.h"
-
-
-
-
#define err_check(retval,err_msg) if(retval != ERROR_OK){LOG_ERROR("%s: %s.",__FUNCTION__,err_msg);return retval;}
+#define err_check_propagate(retval) if(retval!=ERROR_OK){return retval;}
// Forward declarations, could try to optimize this.
static int eonce_instruction_exec(struct target * target, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex, uint8_t * eonce_status);
-//int eonce_move_value_to_pc(struct target * target, uint32_t value);
static int eonce_load_TX_RX_to_r0(struct target * target);
static int eonce_enter_debug_mode(struct target * target, uint16_t * eonce_status);
static int eonce_read_status_reg(struct target * target, uint16_t * data);
-static int dsp5680xx_jtag_status(struct target *target, uint8_t * status);
static int eonce_pc_store(struct target * target);
-static int dsp5680xx_write(struct target *target, uint32_t address, uint32_t size, uint32_t count, const uint8_t * buffer);
-int eonce_move_value_to_pc(struct target * target, uint32_t value);
+static int eonce_move_value_to_pc(struct target * target, uint32_t value);
+static int dsp5680xx_jtag_status(struct target *target, uint8_t * status);
static int dsp5680xx_resume(struct target *target, int current, uint32_t address,int handle_breakpoints, int debug_execution);
-int dsp5680xx_halt(struct target *target);
+static int dsp5680xx_halt(struct target *target);
+static int dsp5680xx_write(struct target *target, uint32_t address, uint32_t size, uint32_t count, const uint8_t * buffer);
+int dsp5680xx_execute_queue(void){
+ int retval;
+ retval = jtag_execute_queue();
+ err_check_propagate(retval);
+ return retval;
+}
static int eonce_exit_debug_mode(struct target * target,uint8_t * eonce_status){
int retval;
retval = eonce_instruction_exec(target,0x1F,0,0,1,eonce_status);
- err_check(retval,"Failed to execute EOnCE enter debug mode instruction.");
+ err_check_propagate(retval);
return retval;
}
+
static int dsp5680xx_drscan(struct target * target, uint8_t * data_to_shift_into_dr, uint8_t * data_shifted_out_of_dr, int len){
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
//
@@ -72,18 +71,21 @@ static int dsp5680xx_drscan(struct target * target, uint8_t * data_to_shift_into
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
int retval = ERROR_OK;
if (NULL == target->tap){
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ err_check(retval,"Invalid tap");
}
if (len > 32){
- LOG_ERROR("dr_len overflow, maxium is 32");
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ err_check(retval,"dr_len overflow, maxium is 32");
}
//TODO what values of len are valid for jtag_add_plain_dr_scan?
//can i send as many bits as i want?
//is the casting necessary?
jtag_add_plain_dr_scan(len,data_to_shift_into_dr,data_shifted_out_of_dr, TAP_IDLE);
- retval = jtag_execute_queue();
+ if(context.flush){
+ retval = dsp5680xx_execute_queue();
+ err_check_propagate(retval);
+ }
if(data_shifted_out_of_dr!=NULL){
LOG_DEBUG("Data read (%d bits): 0x%04X",len,*data_shifted_out_of_dr);
}else
@@ -101,8 +103,8 @@ static int dsp5680xx_irscan(struct target * target, uint32_t * data_to_shift_int
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
int retval = ERROR_OK;
if (NULL == target->tap){
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ err_check(retval,"Invalid tap");
}
if (ir_len != target->tap->ir_length){
LOG_WARNING("%s: Invalid ir_len of core tap. If you are removing protection on flash then do not worry about this warninig.",__FUNCTION__);
@@ -112,8 +114,10 @@ static int dsp5680xx_irscan(struct target * target, uint32_t * data_to_shift_int
//can i send as many bits as i want?
//is the casting necessary?
jtag_add_plain_ir_scan(ir_len,(uint8_t *)data_to_shift_into_ir,(uint8_t *)data_shifted_out_of_ir, TAP_IDLE);
- retval = jtag_execute_queue();
- //LOG_DEBUG("Data read (%d bits): 0x%02X",ir_len,*data_shifted_out_of_ir);
+ if(context.flush){
+ retval = dsp5680xx_execute_queue();
+ err_check_propagate(retval);
+ }
return retval;
}
@@ -123,9 +127,9 @@ static int dsp5680xx_read_core_reg(struct target * target, uint8_t reg_addr, uin
int retval;
uint32_t dummy_data_to_shift_into_dr;
retval = eonce_instruction_exec(target,reg_addr,1,0,0,NULL);
- err_check(retval,"Error executing EOnCE read reg. instruction.");
+ err_check_propagate(retval);
retval = dsp5680xx_drscan(target,(uint8_t *)& dummy_data_to_shift_into_dr,(uint8_t *) data_read, 8);
- err_check(retval,"Error during drscan.");
+ err_check_propagate(retval);
LOG_DEBUG("Reg. data: 0x%02X.",*data_read);
return retval;
}
@@ -138,12 +142,12 @@ static int dsp5680xx_target_create(struct target *target, Jim_Interp * interp){
static int dsp5680xx_init_target(struct command_context *cmd_ctx, struct target *target){
context.stored_pc = 0;
+ context.flush = 1;
LOG_DEBUG("target initiated!");
//TODO core tap must be enabled before running these commands, currently this is done in the .cfg tcl script.
return ERROR_OK;
}
-
static int dsp5680xx_arch_state(struct target *target){
LOG_USER("%s not implemented yet.",__FUNCTION__);
return ERROR_OK;
@@ -174,10 +178,12 @@ static int dsp5680xx_poll(struct target *target){
uint8_t eonce_status;
uint16_t read_tmp;
retval = dsp5680xx_jtag_status(target,&jtag_status);
- err_check(retval,"Failed to get JTAG status.");
+ err_check_propagate(retval);
+ LOG_DEBUG("JTAG 0x%02X",jtag_status);//TODO remove!!
if (jtag_status == JTAG_STATUS_DEBUG)
if (target->state != TARGET_HALTED){
retval = eonce_enter_debug_mode(target,&read_tmp);
+ err_check_propagate(retval);
eonce_status = (uint8_t) read_tmp;
if((eonce_status&EONCE_STAT_MASK) != DSP5680XX_ONCE_OSCR_DEBUG_M){
LOG_WARNING("%s: Failed to put EOnCE in debug mode. Is flash locked?...",__FUNCTION__);
@@ -190,8 +196,9 @@ static int dsp5680xx_poll(struct target *target){
if (jtag_status == JTAG_STATUS_NORMAL){
if(target->state == TARGET_RESET){
retval = dsp5680xx_halt(target);
- err_check(retval,"Failed to halt after restarting.");
+ err_check_propagate(retval);
retval = eonce_exit_debug_mode(target,&eonce_status);
+ err_check_propagate(retval);
if((eonce_status&EONCE_STAT_MASK) != DSP5680XX_ONCE_OSCR_NORMAL_M){
LOG_WARNING("%s: JTAG running, but cannot make EOnCE run. Try resetting...",__FUNCTION__);
return ERROR_TARGET_FAILURE;
@@ -202,11 +209,11 @@ static int dsp5680xx_poll(struct target *target){
}
if(target->state != TARGET_RUNNING){
retval = eonce_read_status_reg(target,&read_tmp);
- err_check(retval,"Failed to read EOnCE status reg.");
+ err_check_propagate(retval);
eonce_status = (uint8_t) read_tmp;
if((eonce_status&EONCE_STAT_MASK) != DSP5680XX_ONCE_OSCR_NORMAL_M){
- LOG_USER("Inconsistent target status. Restart!");
- return ERROR_OK;
+ LOG_WARNING("Inconsistent target status. Restart!");
+ return ERROR_TARGET_FAILURE;
}
}
target->state = TARGET_RUNNING;
@@ -224,15 +231,13 @@ static int dsp5680xx_poll(struct target *target){
return ERROR_OK;
}
-
static int dsp5680xx_jtag_status(struct target *target, uint8_t * status){
uint32_t read_from_ir;
uint32_t instr;
int retval;
instr = JTAG_INSTR_ENABLE_ONCE;
- if((retval = dsp5680xx_irscan(target,& instr, & read_from_ir,DSP5680XX_JTAG_CORE_TAP_IRLEN)) != ERROR_OK){
- return ERROR_TARGET_FAILURE;
- }
+ retval = dsp5680xx_irscan(target,& instr, & read_from_ir,DSP5680XX_JTAG_CORE_TAP_IRLEN);
+ err_check_propagate(retval);
if(status!=NULL)
*status = (uint8_t)read_from_ir;
return ERROR_OK;
@@ -241,7 +246,7 @@ static int dsp5680xx_jtag_status(struct target *target, uint8_t * status){
static int eonce_read_status_reg(struct target * target, uint16_t * data){
int retval;
retval = dsp5680xx_read_core_reg(target,DSP5680XX_ONCE_OSR,data);
- err_check(retval,"Error executing EOnCE read reg. instruction");
+ err_check_propagate(retval);
return retval;
}
@@ -250,12 +255,13 @@ static int dsp5680xx_obase_addr(struct target * target, uint32_t * addr){
int retval;
uint32_t data_to_shift_into_dr;// just to make jtag happy
retval = eonce_instruction_exec(target,DSP5680XX_ONCE_OBASE,1,0,0,NULL);
- err_check(retval,"Failed to get obase address.");
+ err_check_propagate(retval);
retval = dsp5680xx_drscan(target,(uint8_t *)& data_to_shift_into_dr,(uint8_t *) addr, 8);
+ err_check_propagate(retval);
return retval;
}
-int dsp5680xx_halt(struct target *target){
+static int dsp5680xx_halt(struct target *target){
int retval;
uint8_t jtag_status;
uint16_t eonce_status;
@@ -264,11 +270,11 @@ int dsp5680xx_halt(struct target *target){
return ERROR_OK;
}
retval = eonce_enter_debug_mode(target,&eonce_status);
- err_check(retval,"Failed to enter debug mode.");
+ err_check_propagate(retval);
retval = dsp5680xx_jtag_status(target,&jtag_status);
- err_check(retval,"Failed to read JTAG status.");
+ err_check_propagate(retval);
retval = eonce_pc_store(target);
- err_check(retval,"Failed to store PC.");
+ err_check_propagate(retval);
//TODO is it useful to store the pc?
return retval;
}
@@ -285,27 +291,29 @@ static int dsp5680xx_resume(struct target *target, int current, uint32_t address
// 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(retval,"Failed to read EOnCE status reg.");
+ 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(retval,"Failed to enter debug mode...");
+ err_check_propagate(retval);
}
- if(!current)
+ if(!current){
retval = eonce_move_value_to_pc(target,address);
+ err_check_propagate(retval);
+ }
int retry = 20;
while(retry-- > 1){
retval = eonce_exit_debug_mode(target,(uint8_t *)&eonce_status );
- err_check(retval,"Failed to exit debug mode.");
+ err_check_propagate(retval);
retval = dsp5680xx_jtag_status(target,&jtag_status);
- err_check(retval,"Failed to exit debug mode.");
+ err_check_propagate(retval);
if((jtag_status & 0xff) == JTAG_STATUS_NORMAL){
break;
}
}
if(retry == 0){
- LOG_USER("%s: Failed to resume...",__FUNCTION__);
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"Failed to resume...");
}else{
target->state = TARGET_RUNNING;
};
@@ -314,16 +322,13 @@ static int dsp5680xx_resume(struct target *target, int current, uint32_t address
return ERROR_OK;
}
-int dsp5680xx_execute_queue(void){
- return jtag_execute_queue();
-}
-
static int jtag_data_read(struct target * target, uint32_t * data_read, int num_bits){
uint32_t bogus_instr;
int retval = dsp5680xx_drscan(target,(uint8_t *) & bogus_instr,(uint8_t *) data_read,num_bits);
LOG_DEBUG("Data read (%d bits): 0x%04X",num_bits,*data_read);//TODO remove this or move to jtagio?
return retval;
}
+
#define jtag_data_read8(target,data_read) jtag_data_read(target,data_read,8)
#define jtag_data_read16(target,data_read) jtag_data_read(target,data_read,16)
#define jtag_data_read32(target,data_read) jtag_data_read(target,data_read,32)
@@ -332,6 +337,7 @@ static int jtag_data_write(struct target * target, uint32_t instr,int num_bits,
int retval;
uint32_t data_read_dummy;
retval = dsp5680xx_drscan(target,(uint8_t *) & instr,(uint8_t *) & data_read_dummy,num_bits);
+ err_check_propagate(retval);
if(data_read != NULL)
*data_read = data_read_dummy;
return retval;
@@ -347,29 +353,27 @@ static int eonce_enter_debug_mode(struct target * target, uint16_t * eonce_statu
uint32_t instr = JTAG_INSTR_DEBUG_REQUEST;
uint32_t ir_out;//not used, just to make jtag happy.
// Debug request #1
- if((retval = dsp5680xx_irscan(target,& instr,& ir_out,DSP5680XX_JTAG_CORE_TAP_IRLEN)) < 0)
- return ERROR_FAIL;
-
+ retval = dsp5680xx_irscan(target,& instr,& ir_out,DSP5680XX_JTAG_CORE_TAP_IRLEN);
+ err_check_propagate(retval);
+
// Enable EOnCE module
instr = JTAG_INSTR_ENABLE_ONCE;
- //TODO add two rounds of jtag 0x6 (enable eonce.) check if the previous 0x7 is ok/necessary.
+ //Two rounds of jtag 0x6 (enable eonce) to enable EOnCE.
retval = dsp5680xx_irscan(target, & instr, & ir_out,DSP5680XX_JTAG_CORE_TAP_IRLEN);
- err_check(retval,"Error enabling EOnCE.");
+ err_check_propagate(retval);
retval = dsp5680xx_irscan(target, & instr, & ir_out,DSP5680XX_JTAG_CORE_TAP_IRLEN);
- err_check(retval,"Error enabling EOnCE.");
+ err_check_propagate(retval);
// Verify that debug mode is enabled
-
uint16_t data_read_from_dr;
- if((retval = eonce_read_status_reg(target,&data_read_from_dr)) != ERROR_OK)
- return ERROR_FAIL;
+ retval = eonce_read_status_reg(target,&data_read_from_dr);
+ err_check_propagate(retval);
if((data_read_from_dr&0x30) == 0x30){
LOG_DEBUG("EOnCE successfully entered debug mode.");
target->state = TARGET_HALTED;
return ERROR_OK;
}else{
- LOG_DEBUG("Failed to set EOnCE module to debug mode.");
- LOG_USER("FAILED to set EOnCE module to debug mode.");//TODO remove this
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"Failed to set EOnCE module to debug mode.");
}
if(eonce_status!=NULL)
*eonce_status = data_read_from_dr;
@@ -381,7 +385,7 @@ static int eonce_instruction_exec(struct target * target, uint8_t instr, uint8_t
uint32_t dr_out_tmp;
uint8_t instr_with_flags = instr|(rw<<7)|(go<<6)|(ex<<5);
retval = jtag_data_write(target,instr_with_flags,8,&dr_out_tmp);
- err_check(retval,"JTAG write failed.");
+ err_check_propagate(retval);
if(eonce_status != NULL)
*eonce_status = (uint8_t) dr_out_tmp;
return retval;
@@ -396,35 +400,44 @@ static int eonce_instruction_exec(struct target * target, uint8_t instr, uint8_t
#define eonce_execute_instruction(target,words,opcode1,opcode2,opcode3) eonce_execute_instruction_##words(target,opcode1,opcode2,opcode3)
/* Executes one word DSP instruction */
-static int eonce_execute_instruction1(struct target * target, uint16_t opcode)
-{
+static int eonce_execute_instruction1(struct target * target, uint16_t opcode){
int retval;
retval = eonce_instruction_exec(target,0x04,0,1,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode,NULL);
+ err_check_propagate(retval);
return retval;
}
/* Executes two word DSP instruction */
-static int eonce_execute_instruction2(struct target * target,uint16_t opcode1, uint16_t opcode2)
-{
+static int eonce_execute_instruction2(struct target * target,uint16_t opcode1, uint16_t opcode2){
int retval;
retval = eonce_instruction_exec(target,0x04,0,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode1,NULL);
+ err_check_propagate(retval);
retval = eonce_instruction_exec(target,0x04,0,1,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode2,NULL);
+ err_check_propagate(retval);
return retval;
}
/* Executes three word DSP instruction */
-static int eonce_execute_instruction3(struct target * target, uint16_t opcode1,uint16_t opcode2,uint16_t opcode3)
-{
+static int eonce_execute_instruction3(struct target * target, uint16_t opcode1,uint16_t opcode2,uint16_t opcode3){
int retval;
retval = eonce_instruction_exec(target,0x04,0,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode1,NULL);
+ err_check_propagate(retval);
retval = eonce_instruction_exec(target,0x04,0,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode2,NULL);
+ err_check_propagate(retval);
retval = eonce_instruction_exec(target,0x04,0,1,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,opcode3,NULL);
+ err_check_propagate(retval);
return retval;
}
@@ -437,14 +450,12 @@ static int eonce_execute_instruction3(struct target * target, uint16_t opcode1,u
ref: eonce_rev.1.0_0208081.pdf@36
*/
-/* writes data into upper ORx register of the target */
-//#define eonce_tx_upper_data(target,data) eonce_instruction_exec(target,DSP5680XX_ONCE_ORX1,0,0,0); \ jtag_data_write16(target,data)
-
-static int eonce_tx_upper_data(struct target * target, uint16_t data, uint32_t * eonce_status_low)
-{
+static int eonce_tx_upper_data(struct target * target, uint16_t data, uint32_t * eonce_status_low){
int retval;
retval = eonce_instruction_exec(target,DSP5680XX_ONCE_ORX1,0,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_write16(target,data,eonce_status_low);
+ err_check_propagate(retval);
return retval;
}
@@ -461,8 +472,10 @@ static int eonce_tx_upper_data(struct target * target, uint16_t data, uint32_t *
static int eonce_rx_upper_data(struct target * target, uint16_t * data_read)
{
int retval;
- eonce_instruction_exec(target,DSP5680XX_ONCE_OTX1,1,0,0,NULL);
+ retval = eonce_instruction_exec(target,DSP5680XX_ONCE_OTX1,1,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_read16(target,(uint32_t *)data_read);
+ err_check_propagate(retval);
return retval;
}
@@ -475,8 +488,10 @@ static int eonce_rx_upper_data(struct target * target, uint16_t * data_read)
static int eonce_rx_lower_data(struct target * target,uint16_t * data_read)
{
int retval;
- eonce_instruction_exec(target,DSP5680XX_ONCE_OTX,1,0,0,NULL);
+ retval = eonce_instruction_exec(target,DSP5680XX_ONCE_OTX,1,0,0,NULL);
+ err_check_propagate(retval);
retval = jtag_data_read16(target,(uint32_t *)data_read);
+ err_check_propagate(retval);
return retval;
}
@@ -591,13 +606,7 @@ static int eonce_rx_lower_data(struct target * target,uint16_t * data_read)
/* move.l #value,y */
#define eonce_move_long_to_y(target,value) eonce_execute_instruction(target,3,0xe417,value&0xffff,value>>16)
-/**
- * Moves a value to : move #value,pc
- * @param target
- * @param value
- * @return
- */
-int eonce_move_value_to_pc(struct target * target, uint32_t value)
+static int eonce_move_value_to_pc(struct target * target, uint32_t value)
{
if (!(target->state == TARGET_HALTED)){
LOG_ERROR("Target must be halted to move PC. Target state = %d.",target->state);
@@ -605,6 +614,7 @@ int eonce_move_value_to_pc(struct target * target, uint32_t value)
};
int retval;
retval = eonce_execute_instruction(target,3,0xE71E,value&0xffff,value>>16);
+ err_check_propagate(retval);
return retval;
}
@@ -622,12 +632,13 @@ static int eonce_load_TX_RX_high_to_r0(struct target * target)
//TODO add error control
uint32_t obase_addr;
int retval = dsp5680xx_obase_addr(target,& obase_addr);
- if(!(obase_addr && 0xff))
- {
- LOG_USER("%s: OBASE address read as 0x%04X instead of 0xFF.",__FUNCTION__,obase_addr);
- return ERROR_FAIL;
- }
+ err_check_propagate(retval);
+ if(!(obase_addr && 0xff)){
+ LOG_USER("%s: OBASE address read as 0x%04X instead of 0xFF.",__FUNCTION__,obase_addr);
+ return ERROR_FAIL;
+ }
eonce_move_long_to_r0(target,((MC568013_EONCE_TX1_RX1_HIGH_ADDR)+(obase_addr<<16)));
+ err_check_propagate(retval);
return retval;
}
@@ -635,36 +646,48 @@ static int eonce_pc_store(struct target * target){
uint32_t tmp = 0;
int retval;
retval = eonce_move_pc_to_r4(target);
- err_check(retval,"Failed to store pc.");
+ err_check_propagate(retval);
retval = eonce_move_r4_to_y(target);
- err_check(retval,"Failed to store pc.");
+ err_check_propagate(retval);
retval = eonce_load_TX_RX_to_r0(target);
- err_check(retval,"Failed to store pc.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"Failed to store pc.");
+ err_check_propagate(retval);
retval = eonce_rx_lower_data(target,(uint16_t *)&tmp);
- err_check(retval,"Failed to store pc.");
+ err_check_propagate(retval);
LOG_USER("PC value: 0x%06X\n",tmp);
context.stored_pc = (uint32_t)tmp;
return ERROR_OK;
}
+static int dsp5680xx_convert_address(uint32_t * address, int * pmem){
+ // Distinguish data memory (x:) from program memory (p:) by the address.
+ // Addresses over S_FILE_DATA_OFFSET are considered (x:) memory.
+ if(*address >= S_FILE_DATA_OFFSET){
+ *pmem = 0;
+ if(((*address)&0xff0000)!=0xff0000)
+ *address -= S_FILE_DATA_OFFSET;
+ }
+ return ERROR_OK;
+}
+
static int dsp5680xx_read_16_single(struct target * target, uint32_t address, uint16_t * data_read, int r_pmem){
//TODO add error control!
int retval;
- eonce_move_long_to_r0(target,address);
+ retval = eonce_move_long_to_r0(target,address);
+ err_check_propagate(retval);
if(r_pmem)
- eonce_move_at_pr0_inc_to_y0(target);
+ retval = eonce_move_at_pr0_inc_to_y0(target);
else
- eonce_move_at_r0_to_y0(target);
+ retval = eonce_move_at_r0_to_y0(target);
+ err_check_propagate(retval);
retval = eonce_load_TX_RX_to_r0(target);
- if (retval != ERROR_OK)
- return retval;
- eonce_move_y0_at_r0(target);
+ err_check_propagate(retval);
+ retval = eonce_move_y0_at_r0(target);
+ err_check_propagate(retval);
// at this point the data i want is at the reg eonce can read
retval = eonce_rx_lower_data(target,data_read);
- if (retval != ERROR_OK)
- return retval;
+ err_check_propagate(retval);
LOG_DEBUG("%s: Data read from 0x%06X: 0x%04X",__FUNCTION__, address,*data_read);
return retval;
}
@@ -674,32 +697,32 @@ static int dsp5680xx_read_32_single(struct target * target, uint32_t address, ui
address = (address & 0xFFFFFE);
// Get data to an intermediate register
retval = eonce_move_long_to_r0(target,address);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
if(r_pmem){
retval = eonce_move_at_pr0_inc_to_y0(target);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
retval = eonce_move_at_pr0_inc_to_y1(target);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
}else{
retval = eonce_move_at_r0_inc_to_y0(target);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
retval = eonce_move_at_r0_to_y1(target);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
}
// Get lower part of data to TX/RX
retval = eonce_load_TX_RX_to_r0(target);
- err_check(retval,"Failed to load TX/RX.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0_inc(target); // This also load TX/RX high to r0
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
// Get upper part of data to TX/RX
retval = eonce_move_y1_at_r0(target);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
// at this point the data i want is at the reg eonce can read
retval = eonce_rx_lower_data(target,(uint16_t * )data_read);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
uint16_t tmp;
retval = eonce_rx_upper_data(target,&tmp);
- err_check(retval,"EOnCE error.");
+ err_check_propagate(retval);
*data_read = (((*data_read)<<16) | tmp);
return retval;
}
@@ -714,18 +737,17 @@ static int dsp5680xx_read(struct target * target, uint32_t address, unsigned siz
int retval = ERROR_OK;
int pmem = 1;
uint16_t tmp_wrd;
- if(address >= S_FILE_DATA_OFFSET){
- pmem = 0;
- if((address&0xff0000)!=0xff0000)
- address -= S_FILE_DATA_OFFSET;
- }
+
+ retval = dsp5680xx_convert_address(&address, &pmem);
+ err_check_propagate(retval);
+
for (unsigned i=0; i<count; i++){
switch (size){
case 1:
if(!(i%2)){
- retval = dsp5680xx_read_16_single(target, address + i/2, &tmp_wrd, pmem);
- buffer[i] = (uint8_t) (tmp_wrd>>8);
- buffer[i+1] = (uint8_t) (tmp_wrd&0xff);
+ retval = dsp5680xx_read_16_single(target, address + i/2, &tmp_wrd, pmem);
+ buffer[i] = (uint8_t) (tmp_wrd>>8);
+ buffer[i+1] = (uint8_t) (tmp_wrd&0xff);
}
break;
case 2:
@@ -738,7 +760,7 @@ static int dsp5680xx_read(struct target * target, uint32_t address, unsigned siz
LOG_USER("%s: Invalid read size.",__FUNCTION__);
break;
}
- err_check(retval,"Read error");
+ err_check_propagate(retval);
}
return retval;
}
@@ -747,14 +769,16 @@ static int dsp5680xx_read(struct target * target, uint32_t address, unsigned siz
static int dsp5680xx_write_16_single(struct target *target, uint32_t address, uint16_t data, uint8_t w_pmem){
int retval = 0;
retval = eonce_move_long_to_r0(target,address);
- err_check(retval,"Read error.");
+ err_check_propagate(retval);
if(w_pmem){
retval = eonce_move_value_to_y0(target,data);
- err_check(retval,"Read error.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_pr0_inc(target);
- }
- else
+ err_check_propagate(retval);
+ }else{
retval = eonce_move_value_at_r0(target,data);
+ err_check_propagate(retval);
+ }
return retval;
}
@@ -762,82 +786,119 @@ static int dsp5680xx_write_16_single(struct target *target, uint32_t address, ui
static int dsp5680xx_write_32_single(struct target *target, uint32_t address, uint32_t data, int w_pmem){
int retval = 0;
retval = eonce_move_long_to_r0(target,address);
- err_check(retval,"Error while writing 32bit data");
+ err_check_propagate(retval);
retval = eonce_move_long_to_y(target,data);
- err_check(retval,"Error while writing 32bit data");
+ err_check_propagate(retval);
if(w_pmem)
retval = eonce_move_y0_at_pr0_inc(target);
else
retval = eonce_move_y0_at_r0_inc(target);
- err_check(retval,"Error while writing 32bit data");
+ err_check_propagate(retval);
if(w_pmem)
retval = eonce_move_y1_at_pr0_inc(target);
else
retval = eonce_move_y1_at_r0_inc(target);
- err_check(retval,"Error while writing 32bit data");
+ err_check_propagate(retval);
return retval;
}
static int dsp5680xx_write_8(struct target * target, uint32_t address, uint32_t count, uint8_t * data, int pmem){
if(target->state != TARGET_HALTED){
- LOG_USER("Target must be halted.");
+ LOG_ERROR("%s: Target must be halted.",__FUNCTION__);
return ERROR_OK;
};
int retval = 0;
uint16_t * data_w = (uint16_t *)data;
uint32_t iter;
+
+ int counter_reset = FLUSH_COUNT_WRITE;
+ int counter = counter_reset;
+
for(iter = 0; iter<count/2; iter++){
+ if(--counter==0){
+ context.flush = 1;
+ counter = counter_reset;
+ }
+
retval = dsp5680xx_write_16_single(target,address+iter,data_w[iter], pmem);
if(retval != ERROR_OK){
- LOG_USER("%s: Could not write to p:0x%04X",__FUNCTION__,address);
- return ERROR_FAIL;
+ LOG_ERROR("%s: Could not write to p:0x%04X",__FUNCTION__,address);
+ context.flush = 1;
+ return retval;
}
+ context.flush = 0;
}
+ context.flush = 1;
+
// Only one byte left, let's not overwrite the other byte (mem is 16bit)
// Need to retrieve the part we do not want to overwrite.
uint16_t data_old;
if((count==1)||(count%2)){
retval = dsp5680xx_read(target,address+iter,1,1,(uint8_t *)&data_old);
+ err_check_propagate(retval);
if(count==1)
data_old=(((data_old&0xff)<<8)|data[0]);// preserve upper byte
else
data_old=(((data_old&0xff)<<8)|data[2*iter+1]);
retval = dsp5680xx_write_16_single(target,address+iter,data_old, pmem);
+ err_check_propagate(retval);
}
return retval;
}
static int dsp5680xx_write_16(struct target * target, uint32_t address, uint32_t count, uint16_t * data, int pmem){
+ int retval = ERROR_OK;
if(target->state != TARGET_HALTED){
- LOG_USER("Target must be halted.");
- return ERROR_OK;
+ retval = ERROR_TARGET_NOT_HALTED;
+ err_check(retval,"Target must be halted.");
};
- int retval = 0;
uint32_t iter;
+
+ int counter_reset = FLUSH_COUNT_WRITE;
+ int counter = counter_reset;
+
for(iter = 0; iter<count; iter++){
+ if(--counter==0){
+ context.flush = 1;
+ counter = counter_reset;
+ }
retval = dsp5680xx_write_16_single(target,address+iter,data[iter], pmem);
if(retval != ERROR_OK){
- LOG_USER("%s: Could not write to p:0x%04X",__FUNCTION__,address);
- return ERROR_FAIL;
+ LOG_ERROR("%s: Could not write to p:0x%04X",__FUNCTION__,address);
+ context.flush = 1;
+ return retval;
}
+ context.flush = 0;
}
+ context.flush = 1;
return retval;
}
static int dsp5680xx_write_32(struct target * target, uint32_t address, uint32_t count, uint32_t * data, int pmem){
+ int retval = ERROR_OK;
if(target->state != TARGET_HALTED){
- LOG_USER("Target must be halted.");
- return ERROR_OK;
+ retval = ERROR_TARGET_NOT_HALTED;
+ err_check(retval,"Target must be halted.");
};
- int retval = 0;
uint32_t iter;
+
+ int counter_reset = FLUSH_COUNT_WRITE;
+ int counter = counter_reset;
+
for(iter = 0; iter<count; iter++){
+ if(--counter==0){
+ context.flush = 1;
+ counter = counter_reset;
+ }
retval = dsp5680xx_write_32_single(target,address+(iter<<1),data[iter], pmem);
if(retval != ERROR_OK){
- LOG_USER("%s: Could not write to p:0x%04X",__FUNCTION__,address);
- return ERROR_FAIL;
+ LOG_ERROR("%s: Could not write to p:0x%04X",__FUNCTION__,address);
+ context.flush = 1;
+ return retval;
}
+ context.flush = 0;
}
+ context.flush = 1;
return retval;
}
@@ -850,12 +911,9 @@ static int dsp5680xx_write(struct target *target, uint32_t address, uint32_t siz
}
int retval = 0;
int p_mem = 1;
- if (address>=S_FILE_DATA_OFFSET){
- // The address corresponds to data memory space (.S file convention)
- if((address&0xff0000)!=0xff0000)
- address -= S_FILE_DATA_OFFSET;
- p_mem = 0;
- }
+ retval = dsp5680xx_convert_address(&address, &p_mem);
+ err_check_propagate(retval);
+
switch (size){
case 1:
retval = dsp5680xx_write_8(target, address, count,(uint8_t *) buffer, p_mem);
@@ -867,16 +925,16 @@ static int dsp5680xx_write(struct target *target, uint32_t address, uint32_t siz
retval = dsp5680xx_write_32(target, address, count, (uint32_t *)buffer, p_mem);
break;
default:
- LOG_USER("%s: Invalid data size.",__FUNCTION__);
- return ERROR_FAIL;
- break;
+ retval = ERROR_TARGET_DATA_ABORT;
+ err_check(retval,"Invalid data size.")
+ break;
}
return retval;
}
static int dsp5680xx_bulk_write_memory(struct target * target,uint32_t address, uint32_t aligned, const uint8_t * buffer){
- LOG_USER("Not implemented yet.");
- return ERROR_OK;
+ LOG_ERROR("Not implemented yet.");
+ return ERROR_FAIL;
}
// Writes to pram at address
@@ -901,23 +959,26 @@ static int dsp5680xx_write_buffer(struct target * target, uint32_t address, uint
}
static int dsp5680xx_read_buffer(struct target * target, uint32_t address, uint32_t size, uint8_t * buffer){
+ if(target->state != TARGET_HALTED){
+ LOG_USER("Target must be halted.");
+ return ERROR_OK;
+ }
// byte addressing!
int retval = ERROR_OK;
int pmem = 1;
uint16_t tmp_wrd= 0;
- if(address >= S_FILE_DATA_OFFSET){
- address -= S_FILE_DATA_OFFSET;
- pmem = 0;
- }
+
+ retval = dsp5680xx_convert_address(&address, &pmem);
+ err_check_propagate(retval);
+
for (unsigned i=0; i<size; i++)
if(!(i%2)){
retval = dsp5680xx_read_16_single(target, address + i/2, &tmp_wrd, pmem);
+ err_check_propagate(retval);
//TODO find a better solution. endiannes differs from normal read, otherwise the openocd crc would do weird stuff.
buffer[i+1] = (uint8_t) (tmp_wrd>>8);
buffer[i] = (uint8_t) (tmp_wrd&0xff);
- if(retval != ERROR_OK)
- return retval;
- }
+ }
return retval;
}
@@ -932,9 +993,8 @@ int dsp5680xx_f_SIM_reset(struct target * target){
if(strcmp(target->tap->chip,"dsp568013")==0){
sim_addr = MC568013_SIM_BASE_ADDR+S_FILE_DATA_OFFSET;
retval = dsp5680xx_write(target,sim_addr,1,2,(const uint8_t *)&sim_cmd);
+ err_check_propagate(retval);
}
- else
- sim_addr = MC56803x_2x_SIM_BASE_ADDR+S_FILE_DATA_OFFSET;
return retval;
}
@@ -943,9 +1003,9 @@ static int dsp5680xx_soft_reset_halt(struct target *target){
//TODO is this what this function is expected to do...?
int retval;
retval = dsp5680xx_halt(target);
- err_check(retval,"Failed to halt target.");
+ err_check_propagate(retval);
retval = dsp5680xx_f_SIM_reset(target);
- err_check(retval,"Failed to reset SIM");
+ err_check_propagate(retval);
return retval;
}
@@ -954,82 +1014,83 @@ int dsp5680xx_f_protect_check(struct target * target, uint8_t * protected) {
int retval;
if (dsp5680xx_target_status(target,NULL,NULL) != TARGET_HALTED){
retval = dsp5680xx_halt(target);
- err_check(retval,"Cannot check security, failed to halt target. May be locked...");
+ err_check_propagate(retval);
}
retval = eonce_load_TX_RX_high_to_r0(target);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_to_y0(target,0x1234);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_rx_upper_data(target,&i);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_to_y0(target,0x4321);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
retval = eonce_rx_upper_data(target,&j);
- err_check(retval,"HFM security check failed.");
+ err_check_propagate(retval);
if(protected!=NULL)
*protected = (uint8_t) ((i!=0x1234)||(j!=0x4321));
return retval;
}
-static int eonce_hfm_execute_command(struct target * target, uint16_t command, uint32_t address, uint16_t * hfm_ustat, int pmem){
+static int dsp5680xx_f_execute_command(struct target * target, uint16_t command, uint32_t address, uint16_t * hfm_ustat, int pmem){
int retval;
retval = eonce_load_TX_RX_high_to_r0(target);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_long_to_r2(target,HFM_BASE_ADDR);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
uint16_t i;
int watchdog = 100;
do{
retval = eonce_move_at_r2_disp_to_y0(target,HFM_USTAT); // read HMF_USTAT
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_rx_upper_data(target,&i);
+ err_check_propagate(retval);
if((watchdog--)==1){
- retval = ERROR_FAIL;
- err_check(retval,"HFM execute command failed.");
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"FM execute command failed.");
}
}while (!(i&0x40)); // wait until current command is complete
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_CNFG); // write to HFM_CNFG (lock=0, select bank) -- flash_desc.bank&0x03,0x01 == 0x00,0x01 ???
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x04,HFM_USTAT); // write to HMF_USTAT, clear PVIOL, ACCERR & BLANK bits
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x10,HFM_USTAT); // clear only one bit at a time
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x20,HFM_USTAT);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_PROT); // write to HMF_PROT, clear protection
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_PROTB); // write to HMF_PROTB, clear protection
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_long_to_r3(target,address); // write to the flash block
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
if (pmem){
retval = eonce_move_y0_at_pr3_inc(target);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
}else{
retval = eonce_move_y0_at_r3(target);
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
}
retval = eonce_move_value_at_r2_disp(target,command,HFM_CMD); // write command to the HFM_CMD reg
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x80,HFM_USTAT); // start the command
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
watchdog = 100;
do{
retval = eonce_move_at_r2_disp_to_y0(target,HFM_USTAT); // read HMF_USTAT
- err_check(retval,"HFM execute command failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM execute command failed.");
- retval = eonce_rx_upper_data(target,&i);
- err_check(retval,"HFM execute command failed.");
- if((watchdog--)==1){
- retval = ERROR_FAIL;
- err_check(retval,"HFM execution did not finish.");
+ err_check_propagate(retval);
+ retval = eonce_rx_upper_data(target,&i);
+ err_check_propagate(retval);
+ if((watchdog--)==1){
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"FM execution did not finish.");
}
}while (!(i&0x40)); // wait until the command is complete
*hfm_ustat = i;
@@ -1040,36 +1101,34 @@ static int eonce_set_hfmdiv(struct target * target){
uint16_t i;
int retval;
retval = eonce_move_long_to_r2(target,HFM_BASE_ADDR);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_load_TX_RX_high_to_r0(target);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_move_at_r2_to_y0(target);// read HFM_CLKD
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_rx_upper_data(target,&i);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
unsigned int hfm_at_wrong_value = 0;
if ((i&0x7f)!=HFM_CLK_DEFAULT) {
- //TODO remove this part, or send it to debug.
LOG_DEBUG("HFM CLK divisor contained incorrect value (0x%02X).",i&0x7f);
hfm_at_wrong_value = 1;
}else{
- //TODO remove this part, or send it to debug.
LOG_DEBUG("HFM CLK divisor was already set to correct value (0x%02X).",i&0x7f);
return ERROR_OK;
}
retval = eonce_move_value_at_r2(target,HFM_CLK_DEFAULT); // write HFM_CLKD
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_move_at_r2_to_y0(target); // verify HFM_CLKD
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_move_y0_at_r0(target);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
retval = eonce_rx_upper_data(target,&i);
- err_check(retval,"HFM clock div setting failed.");
+ err_check_propagate(retval);
if (i!=(0x80|(HFM_CLK_DEFAULT&0x7f))) {
- LOG_ERROR("Unable to set HFM CLK divisor.");
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"Unable to set HFM CLK divisor.");
}
if(hfm_at_wrong_value)
LOG_DEBUG("HFM CLK divisor set to 0x%02x.",i&0x7f);
@@ -1081,31 +1140,31 @@ int dsp5680xx_f_erase_check(struct target * target, uint8_t * erased){
uint16_t hfm_ustat;
if (dsp5680xx_target_status(target,NULL,NULL) != TARGET_HALTED){
retval = dsp5680xx_halt(target);
- err_check(retval,"Failed to halt target.");
+ err_check_propagate(retval);
}
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Check security
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
uint8_t protected;
retval = dsp5680xx_f_protect_check(target,&protected);
- err_check(retval,"Security check failed.");
+ err_check_propagate(retval);
if(protected){
- LOG_ERROR("Failed to erase, flash is still protected.");
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"Failed to erase, flash is still protected.");
}
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Set hfmdiv
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = eonce_set_hfmdiv(target);
- err_check(retval,"Failed to set HFM clock div.");
+ err_check_propagate(retval);
// Check if chip is already erased.
// Since only mass erase is currently implemented, only the first sector is checked (assuming no code will leave it unused)
- retval = eonce_hfm_execute_command(target,HFM_ERASE_VERIFY,HFM_FLASH_BASE_ADDR+0*HFM_SECTOR_SIZE,&hfm_ustat,1); // blank check
- err_check(retval,"HFM blank check failed.");
+ retval = dsp5680xx_f_execute_command(target,HFM_ERASE_VERIFY,HFM_FLASH_BASE_ADDR+0*HFM_SECTOR_SIZE,&hfm_ustat,1); // blank check
+ err_check_propagate(retval);
if (hfm_ustat&HFM_USTAT_MASK_PVIOL_ACCER){
- LOG_ERROR("pviol and/or accer bits set. EraseVerify HFM command execution error");
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"pviol and/or accer bits set. EraseVerify HFM command execution error");;
}
if(erased!=NULL)
*erased = (uint8_t)(hfm_ustat&HFM_USTAT_MASK_BLANK);
@@ -1116,58 +1175,59 @@ int dsp5680xx_f_erase(struct target * target, int first, int last){
//TODO implement erasing individual sectors.
int retval;
if(first||last){
- LOG_USER("%s: Sector erasing not implemented. Call with first=last=0.",__FUNCTION__);
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ err_check(retval,"Sector erasing not implemented. Call with first=last=0.");
}
if (dsp5680xx_target_status(target,NULL,NULL) != TARGET_HALTED){
retval = dsp5680xx_halt(target);
- err_check(retval,"Failed to halt target.");
+ err_check_propagate(retval);
}
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Reset SIM
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = dsp5680xx_f_SIM_reset(target);
- err_check(retval,"Failed to reset SIM");
+ err_check_propagate(retval);
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Check security
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
uint8_t protected;
retval = dsp5680xx_f_protect_check(target,&protected);
- err_check(retval,"Security check failed.");
+ err_check_propagate(retval);
if(protected){
- LOG_ERROR("Cannot flash, security is still enabled.");
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"Cannot flash, security is still enabled.");
}
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Set hfmdiv
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = eonce_set_hfmdiv(target);
- err_check(retval,"Failed to set HFM clock div.");
+ err_check_propagate(retval);
// Check if chip is already erased.
// Since only mass erase is currently implemented, only the first sector is checked (assuming no code will leave it unused)
uint8_t erased;
retval = dsp5680xx_f_erase_check(target,&erased);
- err_check(retval,"Security check failed.");
+ err_check_propagate(retval);
if (erased)
LOG_USER("Flash blank - mass erase skipped.");
else{
// Execute mass erase command.
uint16_t hfm_ustat;
uint16_t hfm_cmd = HFM_MASS_ERASE;
- retval = eonce_hfm_execute_command(target,hfm_cmd,HFM_FLASH_BASE_ADDR+0*HFM_SECTOR_SIZE,&hfm_ustat,1);
- err_check(retval,"HFM command failed.");
+ retval = dsp5680xx_f_execute_command(target,hfm_cmd,HFM_FLASH_BASE_ADDR+0*HFM_SECTOR_SIZE,&hfm_ustat,1);
+ err_check_propagate(retval);
if (hfm_ustat&HFM_USTAT_MASK_PVIOL_ACCER){
- LOG_USER("pviol and/or accer bits set. HFM command execution error");
- return ERROR_FAIL;
+ retval = ERROR_TARGET_FAILURE;
+ err_check(retval,"pviol and/or accer bits set. HFM command execution error");
}
// Verify flash was successfully erased.
retval = dsp5680xx_f_erase_check(target,&erased);
- if(retval == ERROR_OK){
+ err_check_propagate(retval);
+ if(retval == ERROR_OK){
if (erased)
- LOG_USER("Flash mass erased and checked blank.");
+ LOG_USER("Flash mass erased and checked blank.");
else
- LOG_WARNING("Flash mass erased, but still not blank!");
+ LOG_WARNING("Flash mass erased, but still not blank!");
}
}
return retval;
@@ -1218,76 +1278,83 @@ int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, ui
uint16_t* buff16 = (uint16_t *) buffer;
if (dsp5680xx_target_status(target,NULL,NULL) != TARGET_HALTED){
retval = dsp5680xx_halt(target);
- err_check(retval,"Failed to halt target.");
+ err_check_propagate(retval);
}
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
+ // Check if flash is erased
+ // -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
+ uint8_t erased;
+ retval = dsp5680xx_f_erase_check(target,&erased);
+ err_check_propagate(retval);
+ if(!erased){
+ retval = ERROR_FAIL;
+ err_check(retval,"Flash must be erased before flashing.");
+ }
+ // -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// 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(retval,"Writing pgm failed.");
+ err_check_propagate(retval);
+ retval = dsp5680xx_execute_queue();
+ err_check_propagate(retval);
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Set hfmdiv
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = eonce_set_hfmdiv(target);
- err_check(retval,"Failed to set HFM clock div.");
+ err_check_propagate(retval);
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Setup registers needed by pgm_write_pflash
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = eonce_move_long_to_r3(target,address); // Destination address to r3
- err_check(retval,"Could not set destination address to r3.");
+ err_check_propagate(retval);
eonce_load_TX_RX_high_to_r0(target); // TX/RX reg address to r0
- err_check(retval,"Could not set TX/RX address to r0.");
+ err_check_propagate(retval);
retval = eonce_move_long_to_r2(target,HFM_BASE_ADDR);// FM base address to r2
- err_check(retval,"Could not set FM base address to r2.");
+ err_check_propagate(retval);
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
// Run flashing program.
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_CNFG); // write to HFM_CNFG (lock=0, select bank)
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x04,HFM_USTAT);// write to HMF_USTAT, clear PVIOL, ACCERR & BLANK bits
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x10,HFM_USTAT);// clear only one bit at a time
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x20,HFM_USTAT);
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_PROT);// write to HMF_PROT, clear protection
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
retval = eonce_move_value_at_r2_disp(target,0x00,HFM_PROTB);// write to HMF_PROTB, clear protection
- err_check(retval,"failed to setup FM.");
+ err_check_propagate(retval);
if(count%2){
//TODO implement handling of odd number of words.
- LOG_USER("%s: Cannot handle odd number of words.",__FUNCTION__);
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ err_check(retval,"Cannot handle odd number of words.");
}
uint32_t drscan_data;
retval = eonce_tx_upper_data(target,buff16[0],&drscan_data);
- err_check(retval,"Could not write data.");
- uint8_t eonce_status;
- eonce_status = (uint8_t) drscan_data;
+ err_check_propagate(retval);
+
retval = dsp5680xx_resume(target,0,my_favourite_ram_address,0,0);
- err_check(retval,"Failed to start flashing pgm in RAM.");
+ err_check_propagate(retval);
- uint16_t comm_aid;
- uint16_t eonce_status_tmp = 0;
+ int counter_reset = FLUSH_COUNT_FLASH;
+ int counter = counter_reset;
+ context.flush = 0;
for(uint32_t i=1; (i<count/2)&&(i<HFM_SIZE_REAL); i++){
- comm_aid = 100;
- while((eonce_status&0x40)!=0){// wait for buffer to be empty
- retval = eonce_read_status_reg(target,&eonce_status_tmp);
- err_check(retval,"Could not read eonce status reg.");
- eonce_status = (uint8_t)eonce_status_tmp;
- if(comm_aid--==1)
- break;
- }
- if(comm_aid==0){
- LOG_ERROR("Core failed to read RX after writing %d words. Aborting...",i);
- retval = eonce_enter_debug_mode(target,NULL);
- return retval;
- }
+ if(--counter==0){
+ context.flush = 1;
+ counter = counter_reset;
+ }
retval = eonce_tx_upper_data(target,buff16[i],&drscan_data);
- err_check(retval,"Could not write data.");
- eonce_status = (uint8_t) drscan_data;
+ if(retval!=ERROR_OK){
+ context.flush = 1;
+ err_check_propagate(retval);
+ }
+ context.flush = 0;
}
+ context.flush = 1;
return retval;
}
@@ -1301,9 +1368,10 @@ int dsp5680xx_f_unlock(struct target * target){
uint32_t data_to_shift_in = MASTER_TAP_CMD_FLASH_ERASE;
uint32_t data_shifted_out;
retval = dsp5680xx_irscan(target,&data_to_shift_in,&data_shifted_out,8);
- err_check(retval,"irscan to toggle mass erase failed.");
+ err_check_propagate(retval);
data_to_shift_in = HFM_CLK_DEFAULT;
retval = dsp5680xx_drscan(target,((uint8_t *) & data_to_shift_in),((uint8_t *)&data_shifted_out),8);
+ err_check_propagate(retval);
return retval;
}
@@ -1311,13 +1379,12 @@ 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);
- err_check(retval,"Failed to write security configuration in flash.");
+ err_check_propagate(retval);
return retval;
}
static int dsp5680xx_step(struct target * target,int current, uint32_t address, int handle_breakpoints){
- LOG_USER("%s: Not implemented yet.",__FUNCTION__);
- return ERROR_FAIL;
+ err_check(ERROR_FAIL,"Not implemented yet.");
}
/** Holds methods for dsp5680xx targets. */
diff --git a/src/target/dsp5680xx.h b/src/target/dsp5680xx.h
index 84e15998..9f66ee74 100644
--- a/src/target/dsp5680xx.h
+++ b/src/target/dsp5680xx.h
@@ -124,6 +124,8 @@
#define DSP5680XX_ONCE_OPABDR 0x13 /* OnCE Program Address Register—Decode cycle (OPABDR) */
//----------------------------------------------------------------
+#define FLUSH_COUNT_WRITE 4095 // This value works, higher values (and lower...) may work as well.
+#define FLUSH_COUNT_FLASH 7 // Waiting for longer queues will cause flashing errors.
//----------------------------------------------------------------
// HFM (flash module) Commands (ref:MC56F801xRM.pdf@159)
//----------------------------------------------------------------
@@ -190,21 +192,16 @@
#define SIM_CMD_RESET 0x10
//----------------------------------------------------------------
-struct dsp5680xx_common
-{
-//TODO
-};
-
-static inline struct dsp5680xx_common *target_to_dsp5680xx(struct target *target)
-{
- return target->arch_info;
-}
-
-struct context
-{
+struct dsp5680xx_common{
+ //TODO
uint32_t stored_pc;
+ int flush;
}context;
+static inline struct dsp5680xx_common *target_to_dsp5680xx(struct target *target){
+ return target->arch_info;
+}
+
int dsp5680xx_f_wr(struct target * target, uint8_t *buffer, uint32_t address, uint32_t count);
int dsp5680xx_f_erase_check(struct target * target,uint8_t * erased);