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Diffstat (limited to 'src/jtag/drivers/usbprog.c')
-rw-r--r--src/jtag/drivers/usbprog.c296
1 files changed, 135 insertions, 161 deletions
diff --git a/src/jtag/drivers/usbprog.c b/src/jtag/drivers/usbprog.c
index 7d10d0f4..e90d5693 100644
--- a/src/jtag/drivers/usbprog.c
+++ b/src/jtag/drivers/usbprog.c
@@ -38,15 +38,14 @@
#include <jtag/commands.h>
#include "usb_common.h"
-
#define VID 0x1781
#define PID 0x0c63
/* Pins at usbprog */
-#define TDO_BIT 0
-#define TDI_BIT 3
-#define TCK_BIT 2
-#define TMS_BIT 1
+#define TDO_BIT 0
+#define TDI_BIT 3
+#define TCK_BIT 2
+#define TMS_BIT 1
static void usbprog_end_state(tap_state_t state);
static void usbprog_state_move(void);
@@ -54,33 +53,32 @@ static void usbprog_path_move(struct pathmove_command *cmd);
static void usbprog_runtest(int num_cycles);
static void usbprog_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size);
-#define UNKNOWN_COMMAND 0x00
-#define PORT_DIRECTION 0x01
-#define PORT_SET 0x02
-#define PORT_GET 0x03
-#define PORT_SETBIT 0x04
-#define PORT_GETBIT 0x05
-#define WRITE_TDI 0x06
-#define READ_TDO 0x07
-#define WRITE_AND_READ 0x08
-#define WRITE_TMS 0x09
-#define WRITE_TMS_CHAIN 0x0A
-
-struct usbprog_jtag
-{
- struct usb_dev_handle* usb_handle;
+#define UNKNOWN_COMMAND 0x00
+#define PORT_DIRECTION 0x01
+#define PORT_SET 0x02
+#define PORT_GET 0x03
+#define PORT_SETBIT 0x04
+#define PORT_GETBIT 0x05
+#define WRITE_TDI 0x06
+#define READ_TDO 0x07
+#define WRITE_AND_READ 0x08
+#define WRITE_TMS 0x09
+#define WRITE_TMS_CHAIN 0x0A
+
+struct usbprog_jtag {
+ struct usb_dev_handle *usb_handle;
};
-static struct usbprog_jtag * usbprog_jtag_handle;
+static struct usbprog_jtag *usbprog_jtag_handle;
-static struct usbprog_jtag* usbprog_jtag_open(void);
-//static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);
+static struct usbprog_jtag *usbprog_jtag_open(void);
+/* static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag); */
static void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);
static unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);
-static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
+static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char *buffer, int size);
+static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char *buffer, int size);
+static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char *buffer, int size);
static void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);
static char tms_chain[64];
@@ -93,10 +91,10 @@ static void usbprog_write(int tck, int tms, int tdi);
static void usbprog_reset(int trst, int srst);
static void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);
-static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);
-//static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);
-static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);
-//static int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);
+static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag, unsigned char value);
+/* static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag); */
+static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag, int bit, int value);
+/* static int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit); */
static int usbprog_speed(int speed)
{
@@ -105,68 +103,69 @@ static int usbprog_speed(int speed)
static int usbprog_execute_queue(void)
{
- struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
+ struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
enum scan_type type;
uint8_t *buffer;
- while (cmd)
- {
- switch (cmd->type)
- {
- case JTAG_RESET:
+ while (cmd) {
+ switch (cmd->type) {
+ case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ LOG_DEBUG("reset trst: %i srst %i",
+ cmd->cmd.reset->trst,
+ cmd->cmd.reset->srst);
#endif
- if (cmd->cmd.reset->trst == 1)
- {
- tap_set_state(TAP_RESET);
- }
- usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- break;
- case JTAG_RUNTEST:
+ if (cmd->cmd.reset->trst == 1)
+ tap_set_state(TAP_RESET);
+ usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ break;
+ case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+ LOG_DEBUG("runtest %i cycles, end in %i",
+ cmd->cmd.runtest->num_cycles,
+ cmd->cmd.runtest->end_state);
#endif
- usbprog_end_state(cmd->cmd.runtest->end_state);
- usbprog_runtest(cmd->cmd.runtest->num_cycles);
- break;
- case JTAG_TLR_RESET:
+ usbprog_end_state(cmd->cmd.runtest->end_state);
+ usbprog_runtest(cmd->cmd.runtest->num_cycles);
+ break;
+ case JTAG_TLR_RESET:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+ LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- usbprog_end_state(cmd->cmd.statemove->end_state);
- usbprog_state_move();
- break;
- case JTAG_PATHMOVE:
+ usbprog_end_state(cmd->cmd.statemove->end_state);
+ usbprog_state_move();
+ break;
+ case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
- cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+ LOG_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_
- LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+ LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
#endif
- 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:
+ 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_
- LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
+ LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
- jtag_sleep(cmd->cmd.sleep->us);
- break;
- default:
- LOG_ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
+ jtag_sleep(cmd->cmd.sleep->us);
+ break;
+ default:
+ LOG_ERROR("BUG: unknown JTAG command type encountered");
+ exit(-1);
}
cmd = cmd->next;
@@ -180,8 +179,7 @@ static int usbprog_init(void)
usbprog_jtag_handle = usbprog_jtag_open();
tms_chain_index = 0;
- if (usbprog_jtag_handle == 0)
- {
+ if (usbprog_jtag_handle == 0) {
LOG_ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
return ERROR_JTAG_INIT_FAILED;
}
@@ -205,8 +203,7 @@ static void usbprog_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
tap_set_end_state(state);
- else
- {
+ else {
LOG_ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
@@ -231,23 +228,20 @@ static void usbprog_path_move(struct pathmove_command *cmd)
usbprog_jtag_tms_send(usbprog_jtag_handle);
state_count = 0;
- while (num_states)
- {
- if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
- {
+ while (num_states) {
+ if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count]) {
/* LOG_INFO("1"); */
usbprog_write(0, 0, 0);
usbprog_write(1, 0, 0);
- }
- else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
- {
+ } else if (tap_state_transition(tap_get_state(),
+ true) == cmd->path[state_count]) {
/* LOG_INFO("2"); */
usbprog_write(0, 1, 0);
usbprog_write(1, 1, 0);
- }
- else
- {
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
+ } else {
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
+ tap_state_name(tap_get_state()),
+ tap_state_name(cmd->path[state_count]));
exit(-1);
}
@@ -264,32 +258,28 @@ static void usbprog_runtest(int num_cycles)
int i;
/* only do a state_move when we're not already in IDLE */
- if (tap_get_state() != TAP_IDLE)
- {
+ if (tap_get_state() != TAP_IDLE) {
usbprog_end_state(TAP_IDLE);
usbprog_state_move();
}
/* execute num_cycles */
- if (num_cycles > 0)
- {
+ if (num_cycles > 0) {
usbprog_jtag_tms_send(usbprog_jtag_handle);
usbprog_write(0, 0, 0);
- }
- else
- {
+ } else {
usbprog_jtag_tms_send(usbprog_jtag_handle);
/* LOG_INFO("NUM CYCLES %i",num_cycles); */
}
- for (i = 0; i < num_cycles; i++)
- {
+ for (i = 0; i < num_cycles; i++) {
usbprog_write(1, 0, 0);
usbprog_write(0, 0, 0);
}
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest: cur_state %s end_state %s", tap_state_name(tap_get_state()), tap_state_name(tap_get_end_state()));
+ LOG_DEBUG("runtest: cur_state %s end_state %s", tap_state_name(
+ tap_get_state()), tap_state_name(tap_get_end_state()));
#endif
/* finish in end_state */
@@ -317,14 +307,20 @@ static void usbprog_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int
usbprog_jtag_tms_send(usbprog_jtag_handle);
- void (*f)(struct usbprog_jtag *usbprog_jtag, char * buffer_local, int size);
+ void (*f)(struct usbprog_jtag *usbprog_jtag, char *buffer_local, int size);
switch (type) {
- case SCAN_OUT: f = &usbprog_jtag_write_tdi; break;
- case SCAN_IN: f = &usbprog_jtag_read_tdo; break;
- case SCAN_IO: f = &usbprog_jtag_write_and_read; break;
- default:
- LOG_ERROR("unknown scan type: %i", type);
- exit(-1);
+ case SCAN_OUT:
+ f = &usbprog_jtag_write_tdi;
+ break;
+ case SCAN_IN:
+ f = &usbprog_jtag_read_tdo;
+ break;
+ case SCAN_IO:
+ f = &usbprog_jtag_write_and_read;
+ break;
+ default:
+ LOG_ERROR("unknown scan type: %i", type);
+ exit(-1);
}
f(usbprog_jtag_handle, (char *)buffer, scan_size);
@@ -351,7 +347,7 @@ static void usbprog_write(int tck, int tms, int tdi)
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 */
@@ -374,7 +370,7 @@ static void usbprog_reset(int trst, int srst)
struct usb_bus *busses;
-struct usbprog_jtag* usbprog_jtag_open(void)
+struct usbprog_jtag *usbprog_jtag_open(void)
{
usb_set_debug(10);
usb_init();
@@ -405,20 +401,18 @@ static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)
static 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) || (msg[0] == 1) || (msg[0] == 4) || (msg[0] == 0) || \
- (msg[0] == 6) || (msg[0] == 0x0A) || (msg[0] == 9))
+ int res = usb_bulk_write(usbprog_jtag->usb_handle, 3, msg, msglen, 100);
+ 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)
- {
+ if (res == msglen) {
/* LOG_INFO("HALLLLOOO %i",(int)msg[0]); */
- res = usb_bulk_read(usbprog_jtag->usb_handle, 0x82, msg, 2, 100);
+ res = usb_bulk_read(usbprog_jtag->usb_handle, 0x82, msg, 2, 100);
if (res > 0)
return (unsigned char)msg[1];
else
return -1;
- }
- else
+ } else
return -1;
return 0;
}
@@ -428,7 +422,7 @@ static void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)
usbprog_jtag_set_direction(usbprog_jtag, 0xFE);
}
-static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
+static 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;
@@ -436,16 +430,12 @@ static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char
char swap;
/* 61 byte can be transfered (488 bit) */
- while (size > 0)
- {
- if (size > 488)
- {
+ while (size > 0) {
+ if (size > 488) {
send_bits = 488;
size = size - 488;
loops = 61;
- }
- else
- {
+ } else {
send_bits = size;
loops = size / 8;
loops++;
@@ -455,34 +445,30 @@ static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char
tmp[1] = (char)(send_bits >> 8); /* high */
tmp[2] = (char)(send_bits); /* low */
- for (i = 0; i < loops; i++)
- {
+ for (i = 0; i < loops; i++) {
tmp[3 + i] = buffer[bufindex];
bufindex++;
}
- if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64)
- {
+ if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64) {
/* LOG_INFO("HALLLLOOO2 %i",(int)tmp[0]); */
usleep(1);
int timeout = 0;
- while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 1000) < 1)
- {
+ 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];
+ for (i = 0; i < loops; i++) {
+ swap = tmp[3 + i];
buffer[fillindex++] = swap;
}
}
}
}
-static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
+static 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;
@@ -490,16 +476,12 @@ static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buff
char swap;
/* 61 byte can be transfered (488 bit) */
- while (size > 0)
- {
- if (size > 488)
- {
+ while (size > 0) {
+ if (size > 488) {
send_bits = 488;
size = size - 488;
loops = 61;
- }
- else
- {
+ } else {
send_bits = size;
loops = size / 8;
loops++;
@@ -514,37 +496,31 @@ static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buff
/* LOG_INFO("HALLLLOOO3 %i",(int)tmp[0]); */
int timeout = 0;
usleep(1);
- while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 10) < 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++)
- {
+ for (i = 0; i < loops; i++) {
swap = tmp[3 + i];
buffer[fillindex++] = swap;
}
}
}
-static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
+static 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) */
- while (size > 0)
- {
- if (size > 488)
- {
+ while (size > 0) {
+ if (size > 488) {
send_bits = 488;
size = size - 488;
loops = 61;
- }
- else
- {
+ } else {
send_bits = size;
loops = size/8;
/* if (loops == 0) */
@@ -555,8 +531,7 @@ static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buf
tmp[1] = (char)(send_bits >> 8); /* high */
tmp[2] = (char)(send_bits); /* low */
- for (i = 0; i < loops; i++)
- {
+ for (i = 0; i < loops; i++) {
tmp[3 + i] = buffer[bufindex];
bufindex++;
}
@@ -577,7 +552,7 @@ static void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsign
usbprog_jtag_message(usbprog_jtag, tmp, 2);
}
-static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value)
+static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag, unsigned char value)
{
char tmp[2];
tmp[0] = PORT_SET;
@@ -595,7 +570,7 @@ static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag)
}
#endif
-static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)
+static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag, int bit, int value)
{
char tmp[3];
tmp[0] = PORT_SETBIT;
@@ -631,8 +606,7 @@ static void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)
{
int i;
/* LOG_INFO("TMS SEND"); */
- if (tms_chain_index > 0)
- {
+ if (tms_chain_index > 0) {
char tmp[tms_chain_index + 2];
tmp[0] = WRITE_TMS_CHAIN;
tmp[1] = (char)(tms_chain_index);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-10-21 11:47:57 +0000