#include "log.h"
#define VID 0x1781
-#define PID 0x0c62
+#define PID 0x0c63
// Pins at usbprog
#define TDO_BIT 0
int usbprog_execute_queue(void)
{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
- int scan_size;
- enum scan_type type;
- u8 *buffer;
-
- while (cmd)
- {
- switch (cmd->type)
- {
- case JTAG_END_STATE:
+ jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
+ int scan_size;
+ enum scan_type type;
+ u8 *buffer;
+
+ while (cmd)
+ {
+ switch (cmd->type)
+ {
+ case JTAG_END_STATE:
#ifdef _DEBUG_JTAG_IO_
-DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
+ DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
#endif
-if (cmd->cmd.end_state->end_state != -1)
- usbprog_end_state(cmd->cmd.end_state->end_state);
-break;
- case JTAG_RESET:
+ if (cmd->cmd.end_state->end_state != -1)
+ usbprog_end_state(cmd->cmd.end_state->end_state);
+ break;
+ case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
- if (cmd->cmd.reset->trst == 1)
- {
- cur_state = TAP_TLR;
- }
- usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- break;
- case JTAG_RUNTEST:
+ if (cmd->cmd.reset->trst == 1)
+ {
+ cur_state = TAP_TLR;
+ }
+ usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ break;
+ case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+ DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
- if (cmd->cmd.runtest->end_state != -1)
- usbprog_end_state(cmd->cmd.runtest->end_state);
- usbprog_runtest(cmd->cmd.runtest->num_cycles);
- break;
- case JTAG_STATEMOVE:
+ if (cmd->cmd.runtest->end_state != -1)
+ usbprog_end_state(cmd->cmd.runtest->end_state);
+ usbprog_runtest(cmd->cmd.runtest->num_cycles);
+ break;
+ case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+ DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- if (cmd->cmd.statemove->end_state != -1)
- usbprog_end_state(cmd->cmd.statemove->end_state);
- usbprog_state_move();
- break;
- case JTAG_PATHMOVE:
+ if (cmd->cmd.statemove->end_state != -1)
+ usbprog_end_state(cmd->cmd.statemove->end_state);
+ usbprog_state_move();
+ break;
+ case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
- cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+ DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
+ cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
#endif
- usbprog_path_move(cmd->cmd.pathmove);
- break;
- case JTAG_SCAN:
+ usbprog_path_move(cmd->cmd.pathmove);
+ break;
+ case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+ DEBUG("scan end in %i", cmd->cmd.scan->end_state);
#endif
- if (cmd->cmd.scan->end_state != -1)
- usbprog_end_state(cmd->cmd.scan->end_state);
- scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
- type = jtag_scan_type(cmd->cmd.scan);
- usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
- if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
- return ERROR_JTAG_QUEUE_FAILED;
- if (buffer)
- free(buffer);
- break;
- case JTAG_SLEEP:
+ if (cmd->cmd.scan->end_state != -1)
+ usbprog_end_state(cmd->cmd.scan->end_state);
+ scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
+ type = jtag_scan_type(cmd->cmd.scan);
+ usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
+ if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
+ return ERROR_JTAG_QUEUE_FAILED;
+ if (buffer)
+ free(buffer);
+ break;
+ case JTAG_SLEEP:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("sleep %i", cmd->cmd.sleep->us);
+ DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
- jtag_sleep(cmd->cmd.sleep->us);
- break;
- default:
- ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
- }
- cmd = cmd->next;
- }
-
- return ERROR_OK;
+ jtag_sleep(cmd->cmd.sleep->us);
+ break;
+ default:
+ ERROR("BUG: unknown JTAG command type encountered");
+ exit(-1);
+ }
+ cmd = cmd->next;
+ }
+
+ return ERROR_OK;
}
ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
return ERROR_JTAG_INIT_FAILED;
}
-
+
INFO("USB JTAG Interface ready!");
-
+
usbprog_jtag_init(usbprog_jtag_handle);
usbprog_reset(0, 0);
usbprog_write(0, 0, 0);
int usbprog_quit(void)
{
-
+
return ERROR_OK;
}
void usbprog_state_move(void) {
- int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ int i=0, tms=0;
+ u8 tms_scan = TAP_MOVE(cur_state, end_state);
- usbprog_jtag_write_tms(usbprog_jtag_handle,(char)tms_scan);
- for (i = 0; i < 7; i++)
- {
- tms = (tms_scan >> i) & 1;
- }
-
- cur_state = end_state;
+ usbprog_jtag_write_tms(usbprog_jtag_handle,(char)tms_scan);
+ for (i = 0; i < 7; i++)
+ {
+ tms = (tms_scan >> i) & 1;
+ }
+
+ cur_state = end_state;
}
void usbprog_path_move(pathmove_command_t *cmd)
{
- int num_states = cmd->num_states;
- int state_count;
-
- state_count = 0;
- while (num_states)
- {
- if (tap_transitions[cur_state].low == cmd->path[state_count])
- {
- INFO("1");
- usbprog_write(0, 0, 0);
- usbprog_write(1, 0, 0);
- }
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
- {
- INFO("2");
- usbprog_write(0, 1, 0);
- usbprog_write(1, 1, 0);
- }
- else
- {
- ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
- exit(-1);
- }
-
- cur_state = cmd->path[state_count];
- state_count++;
- num_states--;
- }
-
- end_state = cur_state;
+ int num_states = cmd->num_states;
+ int state_count;
+
+ state_count = 0;
+ while (num_states)
+ {
+ if (tap_transitions[cur_state].low == cmd->path[state_count])
+ {
+ //INFO("1");
+ usbprog_write(0, 0, 0);
+ usbprog_write(1, 0, 0);
+ }
+ else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ {
+ //INFO("2");
+ usbprog_write(0, 1, 0);
+ usbprog_write(1, 1, 0);
+ }
+ else
+ {
+ ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
+ exit(-1);
+ }
+
+ cur_state = cmd->path[state_count];
+ state_count++;
+ num_states--;
+ }
+
+ end_state = cur_state;
}
void usbprog_runtest(int num_cycles)
{
- int i;
+ int i;
+
+ enum tap_state saved_end_state = end_state;
- /*
- enum tap_state saved_end_state = end_state;
- */
/* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI)
- {
- usbprog_end_state(TAP_RTI);
- usbprog_state_move();
- }
+ if (cur_state != TAP_RTI)
+ {
+ usbprog_end_state(TAP_RTI);
+ usbprog_state_move();
+ }
- /* execute num_cycles */
+ /* execute num_cycles */
if(num_cycles>0)
{
+ usbprog_jtag_tms_send(usbprog_jtag_handle);
usbprog_write(0, 0, 0);
}
else {
usbprog_jtag_tms_send(usbprog_jtag_handle);
+ //INFO("NUM CYCLES %i",num_cycles);
}
- for (i = 0; i < num_cycles; i++)
- {
- usbprog_write(1, 0, 0);
- usbprog_write(0, 0, 0);
- }
+ for (i = 0; i < num_cycles; i++)
+ {
+ usbprog_write(1, 0, 0);
+ usbprog_write(0, 0, 0);
+ }
- /* finish in end_state */
+ /* finish in end_state */
/*
usbprog_end_state(saved_end_state);
if (cur_state != end_state)
usbprog_state_move();
- */
+ */
}
void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
- enum tap_state saved_end_state = end_state;
+ enum tap_state saved_end_state = end_state;
+ int bit_cnt;
- if (ir_scan)
- usbprog_end_state(TAP_SI);
- else
- usbprog_end_state(TAP_SD);
+ if (ir_scan)
+ usbprog_end_state(TAP_SI);
+ else
+ usbprog_end_state(TAP_SD);
- usbprog_state_move();
- usbprog_end_state(saved_end_state);
+ //usbprog_jtag_tms_send(usbprog_jtag_handle);
- usbprog_jtag_tms_send(usbprog_jtag_handle);
+ usbprog_state_move();
+ usbprog_end_state(saved_end_state);
- if (type == SCAN_OUT) {
- usbprog_jtag_write_tdi(usbprog_jtag_handle, (char*)buffer, scan_size);
- }
- if (type == SCAN_IN) {
- usbprog_jtag_read_tdo(usbprog_jtag_handle, (char*)buffer, scan_size);
- }
- if (type == SCAN_IO) {
- usbprog_jtag_write_and_read(usbprog_jtag_handle, (char*)buffer, scan_size);
- }
+ usbprog_jtag_tms_send(usbprog_jtag_handle);
- if (ir_scan)
- cur_state = TAP_PI;
- else
- cur_state = TAP_PD;
+ if (type == SCAN_OUT) {
+ usbprog_jtag_write_tdi(usbprog_jtag_handle,buffer, scan_size);
+ }
+ if (type == SCAN_IN) {
+ usbprog_jtag_read_tdo(usbprog_jtag_handle,buffer, scan_size);
+ }
+ if (type == SCAN_IO) {
+ usbprog_jtag_write_and_read(usbprog_jtag_handle,buffer, scan_size);
+ }
+
+ if (ir_scan)
+ cur_state = TAP_PI;
+ else
+ cur_state = TAP_PD;
- if (cur_state != end_state)
- usbprog_state_move();
+ if (cur_state != end_state)
+ usbprog_state_move();
}
/*************** jtag wrapper functions *********************/
void usbprog_write(int tck, int tms, int tdi)
{
- unsigned char output_value=0x00;
+ unsigned char output_value=0x00;
- if (tms)
- output_value |= (1<<TMS_BIT);
- if (tdi)
- output_value |= (1<<TDI_BIT);
- if (tck)
- output_value |= (1<<TCK_BIT);
+ if (tms)
+ output_value |= (1<<TMS_BIT);
+ if (tdi)
+ output_value |= (1<<TDI_BIT);
+ if (tck)
+ output_value |= (1<<TCK_BIT);
- usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);
+ usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);
}
/* (1) assert or (0) deassert reset lines */
void usbprog_reset(int trst, int srst)
{
- DEBUG("trst: %i, srst: %i", trst, srst);
+ DEBUG("trst: %i, srst: %i", trst, srst);
- if(trst)
- usbprog_jtag_set_bit(usbprog_jtag_handle,5,0);
- else
- usbprog_jtag_set_bit(usbprog_jtag_handle,5,1);
+ if(trst)
+ usbprog_jtag_set_bit(usbprog_jtag_handle,5,0);
+ else
+ usbprog_jtag_set_bit(usbprog_jtag_handle,5,1);
- if(srst)
- usbprog_jtag_set_bit(usbprog_jtag_handle,4,0);
- else
- usbprog_jtag_set_bit(usbprog_jtag_handle,4,1);
+ if(srst)
+ usbprog_jtag_set_bit(usbprog_jtag_handle,4,0);
+ else
+ usbprog_jtag_set_bit(usbprog_jtag_handle,4,1);
}
/*************** jtag lowlevel functions ********************/
+ struct usb_bus *busses;
struct usbprog_jtag* usbprog_jtag_open()
{
- struct usb_bus *busses;
+ struct usb_dev_handle* usb_handle;
struct usb_bus *bus;
struct usb_device *dev;
tmp = (struct usbprog_jtag*)malloc(sizeof(struct usbprog_jtag));
-
+usb_set_debug(10);
usb_init();
usb_find_busses();
usb_find_devices();
+
busses = usb_get_busses();
/* find usbprog_jtag device in usb bus */
/* condition for sucessfully hit (too bad, I only check the vendor id)*/
if (dev->descriptor.idVendor == VID && dev->descriptor.idProduct == PID) {
tmp->usb_handle = usb_open(dev);
- usb_set_configuration (tmp->usb_handle,dev->config[0].bConfigurationValue);
+ usb_set_configuration (tmp->usb_handle,1);
usb_claim_interface(tmp->usb_handle, 0);
usb_set_altinterface(tmp->usb_handle,0);
return tmp;
unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
{
int res = usb_bulk_write(usbprog_jtag->usb_handle,3,msg,msglen,100);
- if(msg[0]==2)
+ if(msg[0]==2||msg[0]==1||msg[0]==4||msg[0]==0||msg[0]==6||msg[0]==0x0A||msg[0]==9)
return 1;
if(res == msglen) {
+ //INFO("HALLLLOOO %i",(int)msg[0]);
res = usb_bulk_read(usbprog_jtag->usb_handle,0x82, msg, 2, 100);
if (res > 0)
return (unsigned char)msg[1];
void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
{
char tmp[64]; // fastes packet size for usb controller
- int send_bits, bufindex = 0, fillindex = 0, i, loops;
+ int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
char swap;
// 61 byte can be transfered (488 bit)
-
+
while(size > 0) {
if(size > 488) {
send_bits = 488;
tmp[3+i]=buffer[bufindex];
bufindex++;
}
-
- usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000);
-
- while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 1000) < 1);
-
- for(i=0;i<loops ;i++) {
- swap = tmp[3+i];
- buffer[fillindex++] = swap;
- }
+
+ if(usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000)==64)
+ {
+ //INFO("HALLLLOOO2 %i",(int)tmp[0]);
+ usleep(1);
+ int timeout=0;
+ while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 1000) < 1){
+ timeout++;
+ if(timeout>10)
+ break;
+ }
+
+ for(i=0;i<loops ;i++) {
+ swap = tmp[3+i];
+ buffer[fillindex++] = swap;
+ }
+ }
}
}
void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
{
char tmp[64]; // fastes packet size for usb controller
- int send_bits, fillindex = 0, i, loops;
+ int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
char swap;
// 61 byte can be transfered (488 bit)
-
+
while(size > 0) {
if(size > 488) {
send_bits = 488;
tmp[0] = WRITE_AND_READ;
tmp[1] = (char)(send_bits>>8); // high
tmp[2] = (char)(send_bits); // low
-
+
usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,3,1000);
-
- while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 10) < 1);
+
+ //INFO("HALLLLOOO3 %i",(int)tmp[0]);
+ int timeout=0;
+ usleep(1);
+ while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 10) < 1){
+ timeout++;
+ if(timeout>10)
+ break;
+ }
for(i=0;i<loops ;i++) {
swap = tmp[3+i];
void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
{
- char tmp[64]; /* fastes packet size for usb controller */
- int send_bits, bufindex = 0, i, loops;
-
- /* 61 byte can be transfered (488 bit) */
+ char tmp[64]; // fastes packet size for usb controller
+ int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
+ char swap;
+ // 61 byte can be transfered (488 bit)
while(size > 0) {
if(size > 488) {
send_bits = 488;
} else {
send_bits = size;
loops = size/8;
- /*if(loops==0)*/
+ //if(loops==0)
loops++;
size = 0;
}
tmp[0] = WRITE_TDI;
- tmp[1] = (char)(send_bits>>8); /* high */
- tmp[2] = (char)(send_bits); /* low */
+ tmp[1] = (char)(send_bits>>8); // high
+ tmp[2] = (char)(send_bits); // low
i=0;
for(i=0;i < loops ;i++) {
void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag){
int i;
+ //INFO("TMS SEND");
if(tms_chain_index>0) {
char tmp[tms_chain_index+2];
tmp[0] = WRITE_TMS_CHAIN;
embeddedice_reg_t *ice_reg = reg->arch_info;
u8 reg_addr = ice_reg->addr & 0x1f;
scan_field_t fields[3];
-
+ u8 field1_out[1];
+ u8 field2_out[1];
+
DEBUG("%i", ice_reg->addr);
jtag_add_end_state(TAP_RTI);
fields[1].device = ice_reg->jtag_info->chain_pos;
fields[1].num_bits = 5;
- fields[1].out_value = malloc(1);
+ fields[1].out_value = field1_out;
buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
fields[1].out_mask = NULL;
fields[1].in_value = NULL;
fields[2].device = ice_reg->jtag_info->chain_pos;
fields[2].num_bits = 1;
- fields[2].out_value = malloc(1);
+ fields[2].out_value = field2_out;
buf_set_u32(fields[2].out_value, 0, 1, 0);
fields[2].out_mask = NULL;
fields[2].in_value = NULL;
jtag_add_dr_scan(3, fields, -1, NULL);
- free(fields[1].out_value);
- free(fields[2].out_value);
-
return ERROR_OK;
}
*/
int embeddedice_receive(arm_jtag_t *jtag_info, u32 *data, u32 size)
{
- u8 reg_addr = 0x5;
scan_field_t fields[3];
-
+ u8 field1_out[1];
+ u8 field2_out[1];
+
jtag_add_end_state(TAP_RTI);
arm_jtag_scann(jtag_info, 0x2);
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
fields[1].device = jtag_info->chain_pos;
fields[1].num_bits = 5;
- fields[1].out_value = malloc(1);
- buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
+ fields[1].out_value = field1_out;
+ buf_set_u32(fields[1].out_value, 0, 5, embeddedice_reg_arch_info[EICE_COMMS_DATA]);
fields[1].out_mask = NULL;
fields[1].in_value = NULL;
fields[1].in_check_value = NULL;
fields[2].device = jtag_info->chain_pos;
fields[2].num_bits = 1;
- fields[2].out_value = malloc(1);
+ fields[2].out_value = field2_out;
buf_set_u32(fields[2].out_value, 0, 1, 0);
fields[2].out_mask = NULL;
fields[2].in_value = NULL;
size--;
}
- free(fields[1].out_value);
- free(fields[2].out_value);
-
return jtag_execute_queue();
}
embeddedice_reg_t *ice_reg = reg->arch_info;
u8 reg_addr = ice_reg->addr & 0x1f;
scan_field_t fields[3];
-
+ u8 field0_out[4];
+ u8 field1_out[1];
+ u8 field2_out[1];
+
DEBUG("%i: 0x%8.8x", ice_reg->addr, value);
jtag_add_end_state(TAP_RTI);
fields[0].device = ice_reg->jtag_info->chain_pos;
fields[0].num_bits = 32;
- fields[0].out_value = malloc(4);
+ fields[0].out_value = field0_out;
buf_set_u32(fields[0].out_value, 0, 32, value);
fields[0].out_mask = NULL;
fields[0].in_value = NULL;
fields[1].device = ice_reg->jtag_info->chain_pos;
fields[1].num_bits = 5;
- fields[1].out_value = malloc(1);
+ fields[1].out_value = field1_out;
buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
fields[1].out_mask = NULL;
fields[1].in_value = NULL;
fields[2].device = ice_reg->jtag_info->chain_pos;
fields[2].num_bits = 1;
- fields[2].out_value = malloc(1);
+ fields[2].out_value = field2_out;
buf_set_u32(fields[2].out_value, 0, 1, 1);
fields[2].out_mask = NULL;
fields[2].in_value = NULL;
jtag_add_dr_scan(3, fields, -1, NULL);
- free(fields[0].out_value);
- free(fields[1].out_value);
- free(fields[2].out_value);
-
return ERROR_OK;
}
return embeddedice_write_reg(reg, buf_get_u32(reg->value, 0, reg->size));
}
+/* send <size> words of 32 bit to the DCC
+ * we pretend the target is always going to be fast enough
+ * (relative to the JTAG clock), so we don't need to handshake
+ */
+int embeddedice_send(arm_jtag_t *jtag_info, u32 *data, u32 size)
+{
+ scan_field_t fields[3];
+ u8 field0_out[4];
+ u8 field1_out[1];
+ u8 field2_out[1];
+
+ jtag_add_end_state(TAP_RTI);
+ arm_jtag_scann(jtag_info, 0x2);
+ arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+
+ fields[0].device = jtag_info->chain_pos;
+ fields[0].num_bits = 32;
+ fields[0].out_value = field0_out;
+ fields[0].out_mask = NULL;
+ fields[0].in_value = NULL;
+ fields[0].in_check_value = NULL;
+ fields[0].in_check_mask = NULL;
+ fields[0].in_handler = NULL;
+ fields[0].in_handler_priv = NULL;
+
+ fields[1].device = jtag_info->chain_pos;
+ fields[1].num_bits = 5;
+ fields[1].out_value = field1_out;
+ buf_set_u32(fields[1].out_value, 0, 5, embeddedice_reg_arch_info[EICE_COMMS_DATA]);
+ fields[1].out_mask = NULL;
+ fields[1].in_value = NULL;
+ fields[1].in_check_value = NULL;
+ fields[1].in_check_mask = NULL;
+ fields[1].in_handler = NULL;
+ fields[1].in_handler_priv = NULL;
+
+ fields[2].device = jtag_info->chain_pos;
+ fields[2].num_bits = 1;
+ fields[2].out_value = field2_out;
+ buf_set_u32(fields[2].out_value, 0, 1, 1);
+ fields[2].out_mask = NULL;
+ fields[2].in_value = NULL;
+ fields[2].in_check_value = NULL;
+ fields[2].in_check_mask = NULL;
+ fields[2].in_handler = NULL;
+ fields[2].in_handler_priv = NULL;
+
+ while (size > 0)
+ {
+ buf_set_u32(fields[0].out_value, 0, 32, *data);
+ jtag_add_dr_scan(3, fields, -1, NULL);
+
+ data++;
+ size--;
+ }
+
+ /* call to jtag_execute_queue() intentionally omitted */
+ return ERROR_OK;
+}
+
+/* wait for DCC control register R/W handshake bit to become active
+ */
+int embeddedice_handshake(arm_jtag_t *jtag_info, int hsbit, u32 timeout)
+{
+ scan_field_t fields[3];
+ u8 field0_in[4];
+ u8 field1_out[1];
+ u8 field2_out[1];
+ int retval;
+ int hsact;
+ struct timeval lap;
+ struct timeval now;
+
+ if (hsbit == EICE_COMM_CTRL_WBIT)
+ hsact = 1;
+ else if (hsbit != EICE_COMM_CTRL_RBIT)
+ hsact = 0;
+ else
+ return ERROR_INVALID_ARGUMENTS;
+
+ jtag_add_end_state(TAP_RTI);
+ arm_jtag_scann(jtag_info, 0x2);
+ arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+
+ fields[0].device = jtag_info->chain_pos;
+ fields[0].num_bits = 32;
+ fields[0].out_value = NULL;
+ fields[0].out_mask = NULL;
+ fields[0].in_value = field0_in;
+ fields[0].in_check_value = NULL;
+ fields[0].in_check_mask = NULL;
+ fields[0].in_handler = NULL;
+ fields[0].in_handler_priv = NULL;
+
+ fields[1].device = jtag_info->chain_pos;
+ fields[1].num_bits = 5;
+ fields[1].out_value = field1_out;
+ buf_set_u32(fields[1].out_value, 0, 5, embeddedice_reg_arch_info[EICE_COMMS_CTRL]);
+ fields[1].out_mask = NULL;
+ fields[1].in_value = NULL;
+ fields[1].in_check_value = NULL;
+ fields[1].in_check_mask = NULL;
+ fields[1].in_handler = NULL;
+ fields[1].in_handler_priv = NULL;
+
+ fields[2].device = jtag_info->chain_pos;
+ fields[2].num_bits = 1;
+ fields[2].out_value = field2_out;
+ buf_set_u32(fields[2].out_value, 0, 1, 0);
+ fields[2].out_mask = NULL;
+ fields[2].in_value = NULL;
+ fields[2].in_check_value = NULL;
+ fields[2].in_check_mask = NULL;
+ fields[2].in_handler = NULL;
+ fields[2].in_handler_priv = NULL;
+
+ jtag_add_dr_scan(3, fields, -1, NULL);
+ gettimeofday(&lap, NULL);
+ do
+ {
+ jtag_add_dr_scan(3, fields, -1, NULL);
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ return retval;
+
+ if (buf_get_u32(field0_in, hsbit, 1) == hsact)
+ return ERROR_OK;
+
+ gettimeofday(&now, NULL);
+ }
+ while ((now.tv_sec-lap.tv_sec)*1000 + (now.tv_usec-lap.tv_usec)/1000 <= timeout);
+
+ return ERROR_TARGET_TIMEOUT;
+}
projects / openocd / commitdiff