*
* This code uses information contained in the MPSSE specification which was
* found here:
- * http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
+ * https://www.ftdichip.com/Support/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
* Hereafter this is called the "MPSSE Spec".
*
- * The datasheet for the ftdichip.com's FT2232D part is here:
- * http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf
+ * The datasheet for the ftdichip.com's FT2232H part is here:
+ * https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT2232H.pdf
*
* Also note the issue with code 0x4b (clock data to TMS) noted in
* http://developer.intra2net.com/mailarchive/html/libftdi/2009/msg00292.html
#endif
/* project specific includes */
+#include <jtag/drivers/jtag_usb_common.h>
#include <jtag/interface.h>
#include <jtag/swd.h>
#include <transport/transport.h>
#include <helper/time_support.h>
+#include <helper/log.h>
#if IS_CYGWIN == 1
#include <windows.h>
static char *ftdi_device_desc;
static char *ftdi_serial;
-static char *ftdi_location;
static uint8_t ftdi_channel;
static uint8_t ftdi_jtag_mode = JTAG_MODE;
return ERROR_OK;
}
-static int ftdi_get_signal(const struct signal *s, uint16_t * value_out)
+static int ftdi_get_signal(const struct signal *s, uint16_t *value_out)
{
uint8_t data_low = 0;
uint8_t data_high = 0;
int tms_count = tap_get_tms_path_len(start_state, goal_state);
assert(tms_count <= 8);
- DEBUG_JTAG_IO("start=%s goal=%s", tap_state_name(start_state), tap_state_name(goal_state));
+ LOG_DEBUG_IO("start=%s goal=%s", tap_state_name(start_state), tap_state_name(goal_state));
/* Track state transitions step by step */
for (int i = 0; i < tms_count; i++)
int i;
uint8_t zero = 0;
- DEBUG_JTAG_IO("runtest %i cycles, end in %s",
+ LOG_DEBUG_IO("runtest %i cycles, end in %s",
cmd->cmd.runtest->num_cycles,
tap_state_name(cmd->cmd.runtest->end_state));
if (tap_get_state() != tap_get_end_state())
move_to_state(tap_get_end_state());
- DEBUG_JTAG_IO("runtest: %i, end in %s",
+ LOG_DEBUG_IO("runtest: %i, end in %s",
cmd->cmd.runtest->num_cycles,
tap_state_name(tap_get_end_state()));
}
static void ftdi_execute_statemove(struct jtag_command *cmd)
{
- DEBUG_JTAG_IO("statemove end in %s",
+ LOG_DEBUG_IO("statemove end in %s",
tap_state_name(cmd->cmd.statemove->end_state));
ftdi_end_state(cmd->cmd.statemove->end_state);
*/
static void ftdi_execute_tms(struct jtag_command *cmd)
{
- DEBUG_JTAG_IO("TMS: %d bits", cmd->cmd.tms->num_bits);
+ LOG_DEBUG_IO("TMS: %d bits", cmd->cmd.tms->num_bits);
/* TODO: Missing tap state tracking, also missing from ft2232.c! */
mpsse_clock_tms_cs_out(mpsse_ctx,
tap_state_t *path = cmd->cmd.pathmove->path;
int num_states = cmd->cmd.pathmove->num_states;
- DEBUG_JTAG_IO("pathmove: %i states, current: %s end: %s", num_states,
+ LOG_DEBUG_IO("pathmove: %i states, current: %s end: %s", num_states,
tap_state_name(tap_get_state()),
tap_state_name(path[num_states-1]));
unsigned bit_count = 0;
uint8_t tms_byte = 0;
- DEBUG_JTAG_IO("-");
+ LOG_DEBUG_IO("-");
/* this loop verifies that the path is legal and logs each state in the path */
while (num_states--) {
static void ftdi_execute_scan(struct jtag_command *cmd)
{
- DEBUG_JTAG_IO("%s type:%d", cmd->cmd.scan->ir_scan ? "IRSCAN" : "DRSCAN",
+ LOG_DEBUG_IO("%s type:%d", cmd->cmd.scan->ir_scan ? "IRSCAN" : "DRSCAN",
jtag_scan_type(cmd->cmd.scan));
/* Make sure there are no trailing fields with num_bits == 0, or the logic below will fail. */
while (cmd->cmd.scan->num_fields > 0
&& cmd->cmd.scan->fields[cmd->cmd.scan->num_fields - 1].num_bits == 0) {
cmd->cmd.scan->num_fields--;
- LOG_DEBUG("discarding trailing empty field");
+ LOG_DEBUG_IO("discarding trailing empty field");
}
if (cmd->cmd.scan->num_fields == 0) {
- LOG_DEBUG("empty scan, doing nothing");
+ LOG_DEBUG_IO("empty scan, doing nothing");
return;
}
for (int i = 0; i < cmd->cmd.scan->num_fields; i++, field++) {
scan_size += field->num_bits;
- DEBUG_JTAG_IO("%s%s field %d/%d %d bits",
+ LOG_DEBUG_IO("%s%s field %d/%d %d bits",
field->in_value ? "in" : "",
field->out_value ? "out" : "",
i,
uint8_t last_bit = 0;
if (field->out_value)
bit_copy(&last_bit, 0, field->out_value, field->num_bits - 1, 1);
- uint8_t tms_bits = 0x01;
+
+ /* If endstate is TAP_IDLE, clock out 1-1-0 (->EXIT1 ->UPDATE ->IDLE)
+ * Otherwise, clock out 1-0 (->EXIT1 ->PAUSE)
+ */
+ uint8_t tms_bits = 0x03;
mpsse_clock_tms_cs(mpsse_ctx,
&tms_bits,
0,
last_bit,
ftdi_jtag_mode);
tap_set_state(tap_state_transition(tap_get_state(), 1));
- mpsse_clock_tms_cs_out(mpsse_ctx,
- &tms_bits,
- 1,
- 1,
- last_bit,
- ftdi_jtag_mode);
- tap_set_state(tap_state_transition(tap_get_state(), 0));
+ if (tap_get_end_state() == TAP_IDLE) {
+ mpsse_clock_tms_cs_out(mpsse_ctx,
+ &tms_bits,
+ 1,
+ 2,
+ last_bit,
+ ftdi_jtag_mode);
+ tap_set_state(tap_state_transition(tap_get_state(), 1));
+ tap_set_state(tap_state_transition(tap_get_state(), 0));
+ } else {
+ mpsse_clock_tms_cs_out(mpsse_ctx,
+ &tms_bits,
+ 2,
+ 1,
+ last_bit,
+ ftdi_jtag_mode);
+ tap_set_state(tap_state_transition(tap_get_state(), 0));
+ }
} else
mpsse_clock_data(mpsse_ctx,
field->out_value,
if (tap_get_state() != tap_get_end_state())
move_to_state(tap_get_end_state());
- DEBUG_JTAG_IO("%s scan, %i bits, end in %s",
+ LOG_DEBUG_IO("%s scan, %i bits, end in %s",
(cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size,
tap_state_name(tap_get_end_state()));
}
-static void ftdi_execute_reset(struct jtag_command *cmd)
+static int ftdi_reset(int trst, int srst)
{
- DEBUG_JTAG_IO("reset trst: %i srst %i",
- cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-
- if (cmd->cmd.reset->trst == 1
- || (cmd->cmd.reset->srst
- && (jtag_get_reset_config() & RESET_SRST_PULLS_TRST)))
- tap_set_state(TAP_RESET);
-
- struct signal *trst = find_signal_by_name("nTRST");
- if (cmd->cmd.reset->trst == 1) {
- if (trst)
- ftdi_set_signal(trst, '0');
- else
- LOG_ERROR("Can't assert TRST: nTRST signal is not defined");
- } else if (trst && jtag_get_reset_config() & RESET_HAS_TRST &&
- cmd->cmd.reset->trst == 0) {
- if (jtag_get_reset_config() & RESET_TRST_OPEN_DRAIN)
- ftdi_set_signal(trst, 'z');
- else
- ftdi_set_signal(trst, '1');
+ struct signal *sig_ntrst = find_signal_by_name("nTRST");
+ struct signal *sig_nsrst = find_signal_by_name("nSRST");
+
+ LOG_DEBUG_IO("reset trst: %i srst %i", trst, srst);
+
+ if (!swd_mode) {
+ if (trst == 1) {
+ if (sig_ntrst)
+ ftdi_set_signal(sig_ntrst, '0');
+ else
+ LOG_ERROR("Can't assert TRST: nTRST signal is not defined");
+ } else if (sig_ntrst && jtag_get_reset_config() & RESET_HAS_TRST &&
+ trst == 0) {
+ if (jtag_get_reset_config() & RESET_TRST_OPEN_DRAIN)
+ ftdi_set_signal(sig_ntrst, 'z');
+ else
+ ftdi_set_signal(sig_ntrst, '1');
+ }
}
- struct signal *srst = find_signal_by_name("nSRST");
- if (cmd->cmd.reset->srst == 1) {
- if (srst)
- ftdi_set_signal(srst, '0');
+ if (srst == 1) {
+ if (sig_nsrst)
+ ftdi_set_signal(sig_nsrst, '0');
else
LOG_ERROR("Can't assert SRST: nSRST signal is not defined");
- } else if (srst && jtag_get_reset_config() & RESET_HAS_SRST &&
- cmd->cmd.reset->srst == 0) {
+ } else if (sig_nsrst && jtag_get_reset_config() & RESET_HAS_SRST &&
+ srst == 0) {
if (jtag_get_reset_config() & RESET_SRST_PUSH_PULL)
- ftdi_set_signal(srst, '1');
+ ftdi_set_signal(sig_nsrst, '1');
else
- ftdi_set_signal(srst, 'z');
+ ftdi_set_signal(sig_nsrst, 'z');
}
- DEBUG_JTAG_IO("trst: %i, srst: %i",
- cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ return mpsse_flush(mpsse_ctx);
}
static void ftdi_execute_sleep(struct jtag_command *cmd)
{
- DEBUG_JTAG_IO("sleep %" PRIi32, cmd->cmd.sleep->us);
+ LOG_DEBUG_IO("sleep %" PRIu32, cmd->cmd.sleep->us);
mpsse_flush(mpsse_ctx);
jtag_sleep(cmd->cmd.sleep->us);
- DEBUG_JTAG_IO("sleep %" PRIi32 " usec while in %s",
+ LOG_DEBUG_IO("sleep %" PRIu32 " usec while in %s",
cmd->cmd.sleep->us,
tap_state_name(tap_get_state()));
}
num_cycles -= this_len;
}
- DEBUG_JTAG_IO("clocks %i while in %s",
+ LOG_DEBUG_IO("clocks %i while in %s",
cmd->cmd.stableclocks->num_cycles,
tap_state_name(tap_get_state()));
}
static void ftdi_execute_command(struct jtag_command *cmd)
{
switch (cmd->type) {
- case JTAG_RESET:
- ftdi_execute_reset(cmd);
- break;
case JTAG_RUNTEST:
ftdi_execute_runtest(cmd);
break;
else
LOG_DEBUG("ftdi interface using shortest path jtag state transitions");
+ if (!ftdi_vid[0] && !ftdi_pid[0]) {
+ LOG_ERROR("Please specify ftdi_vid_pid");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
for (int i = 0; ftdi_vid[i] || ftdi_pid[i]; i++) {
mpsse_ctx = mpsse_open(&ftdi_vid[i], &ftdi_pid[i], ftdi_device_desc,
- ftdi_serial, ftdi_location, ftdi_channel);
+ ftdi_serial, jtag_usb_get_location(), ftdi_channel);
if (mpsse_ctx)
break;
}
{
mpsse_close(mpsse_ctx);
+ struct signal *sig = signals;
+ while (sig) {
+ struct signal *next = sig->next;
+ free((void *)sig->name);
+ free(sig);
+ sig = next;
+ }
+
+ free(ftdi_device_desc);
+ free(ftdi_serial);
+
free(swd_cmd_queue);
return ERROR_OK;
COMMAND_HANDLER(ftdi_handle_device_desc_command)
{
if (CMD_ARGC == 1) {
- if (ftdi_device_desc)
- free(ftdi_device_desc);
+ free(ftdi_device_desc);
ftdi_device_desc = strdup(CMD_ARGV[0]);
} else {
LOG_ERROR("expected exactly one argument to ftdi_device_desc <description>");
COMMAND_HANDLER(ftdi_handle_serial_command)
{
if (CMD_ARGC == 1) {
- if (ftdi_serial)
- free(ftdi_serial);
+ free(ftdi_serial);
ftdi_serial = strdup(CMD_ARGV[0]);
} else {
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_OK;
}
-#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
-COMMAND_HANDLER(ftdi_handle_location_command)
-{
- if (CMD_ARGC == 1) {
- if (ftdi_location)
- free(ftdi_location);
- ftdi_location = strdup(CMD_ARGV[0]);
- } else {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
-}
-#endif
-
COMMAND_HANDLER(ftdi_handle_channel_command)
{
if (CMD_ARGC == 1)
COMMAND_HANDLER(ftdi_handle_tdo_sample_edge_command)
{
- Jim_Nvp *n;
- static const Jim_Nvp nvp_ftdi_jtag_modes[] = {
+ struct jim_nvp *n;
+ static const struct jim_nvp nvp_ftdi_jtag_modes[] = {
{ .name = "rising", .value = JTAG_MODE },
{ .name = "falling", .value = JTAG_MODE_ALT },
{ .name = NULL, .value = -1 },
};
if (CMD_ARGC > 0) {
- n = Jim_Nvp_name2value_simple(nvp_ftdi_jtag_modes, CMD_ARGV[0]);
+ n = jim_nvp_name2value_simple(nvp_ftdi_jtag_modes, CMD_ARGV[0]);
if (n->name == NULL)
return ERROR_COMMAND_SYNTAX_ERROR;
ftdi_jtag_mode = n->value;
}
- n = Jim_Nvp_value2name_simple(nvp_ftdi_jtag_modes, ftdi_jtag_mode);
- command_print(CMD_CTX, "ftdi samples TDO on %s edge of TCK", n->name);
+ n = jim_nvp_value2name_simple(nvp_ftdi_jtag_modes, ftdi_jtag_mode);
+ command_print(CMD, "ftdi samples TDO on %s edge of TCK", n->name);
return ERROR_OK;
}
.help = "set the serial number of the FTDI device",
.usage = "serial_string",
},
-#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
- {
- .name = "ftdi_location",
- .handler = &ftdi_handle_location_command,
- .mode = COMMAND_CONFIG,
- .help = "set the USB bus location of the FTDI device",
- .usage = "<bus>:port[,port]...",
- },
-#endif
{
.name = "ftdi_channel",
.handler = &ftdi_handle_channel_command,
.handler = &ftdi_handle_vid_pid_command,
.mode = COMMAND_CONFIG,
.help = "the vendor ID and product ID of the FTDI device",
- .usage = "(vid pid)* ",
+ .usage = "(vid pid)*",
},
{
.name = "ftdi_tdo_sample_edge",
if (oe->data_mask)
ftdi_set_signal(oe, enable ? '1' : '0');
else {
- /* Sets TDI/DO pin (pin 2) to input during rx when both pins are connected
+ /* Sets TDI/DO pin to input during rx when both pins are connected
to SWDIO */
if (enable)
direction |= jtag_direction_init & 0x0002U;
/**
* Flush the MPSSE queue and process the SWD transaction queue
- * @param dap
* @return
*/
static int ftdi_swd_run_queue(void)
LOG_DEBUG_IO("%s %s %s reg %X = %08"PRIx32,
ack == SWD_ACK_OK ? "OK" : ack == SWD_ACK_WAIT ? "WAIT" : ack == SWD_ACK_FAULT ? "FAULT" : "JUNK",
- swd_cmd_queue[i].cmd & SWD_CMD_APnDP ? "AP" : "DP",
- swd_cmd_queue[i].cmd & SWD_CMD_RnW ? "read" : "write",
+ swd_cmd_queue[i].cmd & SWD_CMD_APNDP ? "AP" : "DP",
+ swd_cmd_queue[i].cmd & SWD_CMD_RNW ? "read" : "write",
(swd_cmd_queue[i].cmd & SWD_CMD_A32) >> 1,
buf_get_u32(swd_cmd_queue[i].trn_ack_data_parity_trn,
- 1 + 3 + (swd_cmd_queue[i].cmd & SWD_CMD_RnW ? 0 : 1), 32));
+ 1 + 3 + (swd_cmd_queue[i].cmd & SWD_CMD_RNW ? 0 : 1), 32));
if (ack != SWD_ACK_OK) {
queued_retval = ack == SWD_ACK_WAIT ? ERROR_WAIT : ERROR_FAIL;
goto skip;
- } else if (swd_cmd_queue[i].cmd & SWD_CMD_RnW) {
+ } else if (swd_cmd_queue[i].cmd & SWD_CMD_RNW) {
uint32_t data = buf_get_u32(swd_cmd_queue[i].trn_ack_data_parity_trn, 1 + 3, 32);
int parity = buf_get_u32(swd_cmd_queue[i].trn_ack_data_parity_trn, 1 + 3 + 32, 1);
mpsse_clock_data_out(mpsse_ctx, &swd_cmd_queue[i].cmd, 0, 8, SWD_MODE);
- if (swd_cmd_queue[i].cmd & SWD_CMD_RnW) {
+ if (swd_cmd_queue[i].cmd & SWD_CMD_RNW) {
/* Queue a read transaction */
swd_cmd_queue[i].dst = dst;
}
/* Insert idle cycles after AP accesses to avoid WAIT */
- if (cmd & SWD_CMD_APnDP)
+ if (cmd & SWD_CMD_APNDP)
mpsse_clock_data_out(mpsse_ctx, NULL, 0, ap_delay_clk, SWD_MODE);
}
static void ftdi_swd_read_reg(uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
{
- assert(cmd & SWD_CMD_RnW);
+ assert(cmd & SWD_CMD_RNW);
ftdi_swd_queue_cmd(cmd, value, 0, ap_delay_clk);
}
static void ftdi_swd_write_reg(uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
{
- assert(!(cmd & SWD_CMD_RnW));
+ assert(!(cmd & SWD_CMD_RNW));
ftdi_swd_queue_cmd(cmd, NULL, value, ap_delay_clk);
}
-static int_least32_t ftdi_swd_frequency(int_least32_t hz)
-{
- if (hz > 0)
- freq = mpsse_set_frequency(mpsse_ctx, hz);
-
- return freq;
-}
-
static int ftdi_swd_switch_seq(enum swd_special_seq seq)
{
switch (seq) {
static const struct swd_driver ftdi_swd = {
.init = ftdi_swd_init,
- .frequency = ftdi_swd_frequency,
.switch_seq = ftdi_swd_switch_seq,
.read_reg = ftdi_swd_read_reg,
.write_reg = ftdi_swd_write_reg,
static const char * const ftdi_transports[] = { "jtag", "swd", NULL };
-struct jtag_interface ftdi_interface = {
- .name = "ftdi",
+static struct jtag_interface ftdi_interface = {
.supported = DEBUG_CAP_TMS_SEQ,
- .commands = ftdi_command_handlers,
+ .execute_queue = ftdi_execute_queue,
+};
+
+struct adapter_driver ftdi_adapter_driver = {
+ .name = "ftdi",
.transports = ftdi_transports,
- .swd = &ftdi_swd,
+ .commands = ftdi_command_handlers,
.init = ftdi_initialize,
.quit = ftdi_quit,
+ .reset = ftdi_reset,
.speed = ftdi_speed,
- .speed_div = ftdi_speed_div,
.khz = ftdi_khz,
- .execute_queue = ftdi_execute_queue,
+ .speed_div = ftdi_speed_div,
+
+ .jtag_ops = &ftdi_interface,
+ .swd_ops = &ftdi_swd,
};
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