This is an automated email from Gerrit.
"Conor Paxton <conor.pax...@microchip.com>" just uploaded a new patch set to
Gerrit, which you can find at https://review.openocd.org/c/openocd/+/8563
-- gerrit
commit 7a7d87e637a55701ddd6e888f824da2ee263cba5
Author: Conor Paxton <conor.pax...@microchip.com>
Date: Wed May 22 00:13:00 2024 +0100
jtag: drivers: add microchip flashpro5 support
This patch adds support for Microchip's FlashPro5 debug probe.
Change-Id: I2060b5e9e691e5681beb3167f262f260e8d9e6cb
Signed-off-by: Tommy Murphy <tommy_mur...@hotmail.com>
Signed-off-by: Anton Krug <anton.k...@gmail.com>
Signed-off-by: Daire McNamara <daire.mcnam...@microchip.com>
Signed-off-by: Matteo Bonicolini <matteo.bonicol...@microchip.com>
Signed-off-by: Conor Paxton <conor.pax...@microchip.com>
diff --git a/configure.ac b/configure.ac
index cbd2ecedb2..b6659bc27e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,7 +146,8 @@ m4_define([HIDAPI_USB1_ADAPTERS],
m4_define([LIBFTDI_ADAPTERS],
[[[usb_blaster], [Altera USB-Blaster Compatible], [USB_BLASTER]],
- [[presto], [ASIX Presto Adapter], [PRESTO]]])
+ [[presto], [ASIX Presto Adapter], [PRESTO]],
+ [[microchip_fp5_ftdi], [Microchip Flashpro 5 Debugger],
[MICROCHIP_FP5_FTDI]]])
m4_define([LIBFTDI_USB1_ADAPTERS],
[[[openjtag], [OpenJTAG Adapter], [OPENJTAG]]])
diff --git a/src/jtag/drivers/Makefile.am b/src/jtag/drivers/Makefile.am
index 3ef4d4f6c3..4712557326 100644
--- a/src/jtag/drivers/Makefile.am
+++ b/src/jtag/drivers/Makefile.am
@@ -210,6 +210,10 @@ endif
if MICROCHIP_EFP6
DRIVERFILES += %D%/mchp_efp6.c
endif
+if MICROCHIP_FP5_FTDI
+DRIVERFILES += %D%/mchp_ftdi.c
+DRIVERFILES += %D%/mchp_fp5_ftdi.c
+endif
DRIVERHEADERS = \
%D%/bitbang.h \
diff --git a/src/jtag/drivers/mchp_fp5_ftdi.c b/src/jtag/drivers/mchp_fp5_ftdi.c
new file mode 100644
index 0000000000..37660bcb74
--- /dev/null
+++ b/src/jtag/drivers/mchp_fp5_ftdi.c
@@ -0,0 +1,911 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* project specific includes */
+#include <jtag/adapter.h>
+#include <jtag/interface.h>
+#include <transport/transport.h>
+#include <helper/time_support.h>
+#include <helper/log.h>
+#include <helper/nvp.h>
+
+#if IS_CYGWIN == 1
+#include <windows.h>
+#endif
+
+#include <assert.h>
+
+/* FTDI access library includes */
+#include "mpsse.h"
+
+#define JTAG_MODE (LSB_FIRST | POS_EDGE_IN | NEG_EDGE_OUT)
+#define JTAG_MODE_ALT (LSB_FIRST | NEG_EDGE_IN | NEG_EDGE_OUT)
+
+static char *ftdi_device_desc;
+static uint8_t ftdi_channel;
+static uint8_t ftdi_jtag_mode = JTAG_MODE;
+
+#define MAX_USB_IDS 8
+/* vid = pid = 0 marks the end of the list */
+static uint16_t ftdi_vid[MAX_USB_IDS + 1] = { 0 };
+static uint16_t ftdi_pid[MAX_USB_IDS + 1] = { 0 };
+
+static struct mpsse_ctx *mpsse_ctx;
+
+struct signal {
+ const char *name;
+ uint16_t data_mask;
+ uint16_t input_mask;
+ uint16_t oe_mask;
+ bool invert_data;
+ bool invert_input;
+ bool invert_oe;
+ struct signal *next;
+};
+
+static struct signal *signals;
+
+static int freq;
+
+static uint16_t output;
+static uint16_t direction;
+static uint16_t jtag_output_init;
+static uint16_t jtag_direction_init;
+
+static struct signal *find_signal_by_name(const char *name)
+{
+ for (struct signal *sig = signals; sig; sig = sig->next) {
+ if (strcmp(name, sig->name) == 0)
+ return sig;
+ }
+ return NULL;
+}
+
+static struct signal *create_signal(const char *name)
+{
+ struct signal **psig = &signals;
+ while (*psig)
+ psig = &(*psig)->next;
+
+ *psig = calloc(1, sizeof(**psig));
+ if (!*psig)
+ return NULL;
+
+ (*psig)->name = strdup(name);
+ if (!(*psig)->name) {
+ free(*psig);
+ *psig = NULL;
+ }
+ return *psig;
+}
+
+static int mchp_ftdi_set_signal(const struct signal *s, char value)
+{
+ bool data;
+ bool oe;
+
+ if (s->data_mask == 0 && s->oe_mask == 0) {
+ LOG_ERROR("interface doesn't provide signal '%s'", s->name);
+ return ERROR_FAIL;
+ }
+ switch (value) {
+ case '0':
+ data = s->invert_data;
+ oe = !s->invert_oe;
+ break;
+ case '1':
+ if (s->data_mask == 0) {
+ LOG_ERROR("interface can't drive '%s' high", s->name);
+ return ERROR_FAIL;
+ }
+ data = !s->invert_data;
+ oe = !s->invert_oe;
+ break;
+ case 'z':
+ case 'Z':
+ if (s->oe_mask == 0) {
+ LOG_ERROR("interface can't tri-state '%s'", s->name);
+ return ERROR_FAIL;
+ }
+ data = s->invert_data;
+ oe = s->invert_oe;
+ break;
+ default:
+ LOG_ERROR("invalid signal level specifier \'%c\'(0x%02x)",
value, value);
+ return ERROR_FAIL;
+ }
+
+ uint16_t old_output = output;
+ uint16_t old_direction = direction;
+
+ output = data ? output | s->data_mask : output & ~s->data_mask;
+ if (s->oe_mask == s->data_mask)
+ direction = oe ? direction | s->oe_mask : direction &
~s->oe_mask;
+ else
+ output = oe ? output | s->oe_mask : output & ~s->oe_mask;
+
+ if ((output & 0xff) != (old_output & 0xff) || (direction & 0xff) !=
(old_direction & 0xff))
+ mpsse_set_data_bits_low_byte(mpsse_ctx, output & 0xff,
direction & 0xff);
+ if ((output >> 8 != old_output >> 8) || (direction >> 8 !=
old_direction >> 8))
+ mpsse_set_data_bits_high_byte(mpsse_ctx, output >> 8, direction
>> 8);
+
+ return ERROR_OK;
+}
+
+static int mchp_ftdi_get_signal(const struct signal *s, uint16_t *value_out)
+{
+ uint8_t data_low = 0;
+ uint8_t data_high = 0;
+
+ if (s->input_mask == 0) {
+ LOG_ERROR("interface doesn't provide signal '%s'", s->name);
+ return ERROR_FAIL;
+ }
+
+ if (s->input_mask & 0xff)
+ mpsse_read_data_bits_low_byte(mpsse_ctx, &data_low);
+ if (s->input_mask >> 8)
+ mpsse_read_data_bits_high_byte(mpsse_ctx, &data_high);
+
+ mpsse_flush(mpsse_ctx);
+
+ *value_out = (((uint16_t)data_high) << 8) | data_low;
+
+ if (s->invert_input)
+ *value_out = ~(*value_out);
+
+ *value_out &= s->input_mask;
+
+ return ERROR_OK;
+}
+
+/**
+ * Function move_to_state
+ * moves the TAP controller from the current state to a
+ * \a goal_state through a path given by tap_get_tms_path(). State transition
+ * logging is performed by delegation to clock_tms().
+ *
+ * @param goal_state is the destination state for the move.
+ */
+static void move_to_state(tap_state_t goal_state)
+{
+ tap_state_t start_state = tap_get_state();
+
+ /* goal_state is 1/2 of a tuple/pair of states which allow
convenient
+ lookup of the required TMS pattern to move to this state from
the
+ start state.
+ */
+
+ /* do the 2 lookups */
+ uint8_t tms_bits = tap_get_tms_path(start_state, goal_state);
+ int tms_count = tap_get_tms_path_len(start_state, goal_state);
+ assert(tms_count <= 8);
+
+ 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++)
+ tap_set_state(tap_state_transition(tap_get_state(), (tms_bits
>> i) & 1));
+
+ mpsse_clock_tms_cs_out(mpsse_ctx,
+ &tms_bits,
+ 0,
+ tms_count,
+ false,
+ ftdi_jtag_mode);
+}
+
+static int mchp_ftdi_speed(int speed)
+{
+ int retval;
+ retval = mpsse_set_frequency(mpsse_ctx, speed);
+
+ if (retval < 0) {
+ LOG_ERROR("couldn't set FTDI TCK speed");
+ return retval;
+ }
+
+ if (speed >= 10000000 && ftdi_jtag_mode != JTAG_MODE_ALT)
+ LOG_INFO("ftdi: if you experience problems at higher adapter
clocks, try "
+ "the command \"ftdi tdo_sample_edge falling\"");
+ return ERROR_OK;
+}
+
+static int mchp_ftdi_speed_div(int speed, int *khz)
+{
+ *khz = speed / 1000;
+ return ERROR_OK;
+}
+
+static int mchp_ftdi_khz(int khz, int *jtag_speed)
+{
+ if (khz == 0 && !mpsse_is_high_speed(mpsse_ctx)) {
+ LOG_DEBUG("RCLK not supported");
+ return ERROR_FAIL;
+ }
+
+ *jtag_speed = khz * 1000;
+ return ERROR_OK;
+}
+
+static void mchp_ftdi_end_state(tap_state_t state)
+{
+ if (tap_is_state_stable(state)) {
+ tap_set_end_state(state);
+ } else {
+ LOG_ERROR("BUG: %s is not a stable end state",
tap_state_name(state));
+ exit(-1);
+ }
+}
+
+static void mchp_ftdi_execute_runtest(struct jtag_command *cmd)
+{
+ uint8_t zero = 0;
+
+ LOG_DEBUG_IO("runtest %u cycles, end in %s",
+ cmd->cmd.runtest->num_cycles,
+ tap_state_name(cmd->cmd.runtest->end_state));
+
+ if (tap_get_state() != TAP_IDLE)
+ move_to_state(TAP_IDLE);
+
+ /* TODO: Reuse mchp_ftdi_execute_stableclocks */
+ unsigned int i = cmd->cmd.runtest->num_cycles;
+ while (i > 0) {
+ /* there are no state transitions in this code, so omit state
tracking */
+ unsigned int this_len = i > 7 ? 7 : i;
+ mpsse_clock_tms_cs_out(mpsse_ctx, &zero, 0, this_len, false,
ftdi_jtag_mode);
+ i -= this_len;
+ }
+
+ mchp_ftdi_end_state(cmd->cmd.runtest->end_state);
+
+ if (tap_get_state() != tap_get_end_state())
+ move_to_state(tap_get_end_state());
+
+ LOG_DEBUG_IO("runtest: %u, end in %s",
+ cmd->cmd.runtest->num_cycles,
+ tap_state_name(tap_get_end_state()));
+}
+
+static void mchp_ftdi_execute_statemove(struct jtag_command *cmd)
+{
+ LOG_DEBUG_IO("statemove end in %s",
+ tap_state_name(cmd->cmd.statemove->end_state));
+
+ mchp_ftdi_end_state(cmd->cmd.statemove->end_state);
+
+ /* shortest-path move to desired end state */
+ if (tap_get_state() != tap_get_end_state() || tap_get_end_state() ==
TAP_RESET)
+ move_to_state(tap_get_end_state());
+}
+
+static void mchp_ftdi_execute_tms(struct jtag_command *cmd)
+{
+ LOG_DEBUG_IO("TMS: %u bits", cmd->cmd.tms->num_bits);
+
+ /* TODO: Missing tap state tracking, also missing from ft2232.c! */
+ mpsse_clock_tms_cs_out(mpsse_ctx,
+ cmd->cmd.tms->bits,
+ 0,
+ cmd->cmd.tms->num_bits,
+ false,
+ ftdi_jtag_mode);
+}
+
+static void mchp_ftdi_execute_pathmove(struct jtag_command *cmd)
+{
+ tap_state_t *path = cmd->cmd.pathmove->path;
+ unsigned int num_states = cmd->cmd.pathmove->num_states;
+
+ LOG_DEBUG_IO("pathmove: %u states, current: %s end: %s", num_states,
+ tap_state_name(tap_get_state()),
+ tap_state_name(path[num_states - 1]));
+
+ int state_count = 0;
+ unsigned int bit_count = 0;
+ uint8_t tms_byte = 0;
+
+ LOG_DEBUG_IO("-");
+
+ /* this loop verifies that the path is legal and logs each state in the
path */
+ while (num_states--) {
+ /* either TMS=0 or TMS=1 must work ... */
+ if (tap_state_transition(tap_get_state(), false)
+ == path[state_count])
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
+ else if (tap_state_transition(tap_get_state(), true)
+ == path[state_count]) {
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x1);
+
+ /* ... or else the caller goofed BADLY */
+ } else {
+ LOG_ERROR("BUG: %s -> %s isn't a valid "
+ "TAP state transition",
+ tap_state_name(tap_get_state()),
+ tap_state_name(path[state_count]));
+ exit(-1);
+ }
+
+ tap_set_state(path[state_count]);
+ state_count++;
+
+ if (bit_count == 7 || num_states == 0) {
+ mpsse_clock_tms_cs_out(mpsse_ctx,
+ &tms_byte,
+ 0,
+ bit_count,
+ false,
+ ftdi_jtag_mode);
+ bit_count = 0;
+ }
+ }
+ tap_set_end_state(tap_get_state());
+}
+
+static void mchp_ftdi_execute_scan(struct jtag_command *cmd)
+{
+ 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_IO("discarding trailing empty field");
+ }
+
+ if (!cmd->cmd.scan->num_fields) {
+ LOG_DEBUG_IO("empty scan, doing nothing");
+ return;
+ }
+
+ if (cmd->cmd.scan->ir_scan) {
+ if (tap_get_state() != TAP_IRSHIFT)
+ move_to_state(TAP_IRSHIFT);
+ } else {
+ if (tap_get_state() != TAP_DRSHIFT)
+ move_to_state(TAP_DRSHIFT);
+ }
+
+ mchp_ftdi_end_state(cmd->cmd.scan->end_state);
+
+ struct scan_field *field = cmd->cmd.scan->fields;
+ unsigned int scan_size = 0;
+
+ for (unsigned int i = 0; i < cmd->cmd.scan->num_fields; i++, field++) {
+ scan_size += field->num_bits;
+ LOG_DEBUG_IO("%s%s field %u/%u %u bits",
+ field->in_value ? "in" : "",
+ field->out_value ? "out" : "",
+ i,
+ cmd->cmd.scan->num_fields,
+ field->num_bits);
+
+ if (i == cmd->cmd.scan->num_fields - 1 && tap_get_state() !=
tap_get_end_state()) {
+ /* Last field, and we're leaving IRSHIFT/DRSHIFT. Clock
last bit during tap
+ * movement. This last field can't have length zero, it
was checked above. */
+ mpsse_clock_data(mpsse_ctx,
+ field->out_value,
+ 0,
+ field->in_value,
+ 0,
+ field->num_bits - 1,
+ ftdi_jtag_mode);
+ uint8_t last_bit = 0;
+ if (field->out_value)
+ bit_copy(&last_bit, 0, field->out_value,
field->num_bits - 1, 1);
+
+ /* 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,
+ field->in_value,
+ field->num_bits - 1,
+ 1,
+ last_bit,
+ ftdi_jtag_mode);
+ tap_set_state(tap_state_transition(tap_get_state(), 1));
+ 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,
+ 0,
+ field->in_value,
+ 0,
+ field->num_bits,
+ ftdi_jtag_mode);
+ }
+
+ if (tap_get_state() != tap_get_end_state())
+ move_to_state(tap_get_end_state());
+
+ 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 int mchp_ftdi_reset(int trst, int srst)
+{
+ 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 (trst == 1) {
+ if (sig_ntrst)
+ mchp_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)
+ mchp_ftdi_set_signal(sig_ntrst, 'z');
+ else
+ mchp_ftdi_set_signal(sig_ntrst, '1');
+ }
+
+ if (srst == 1) {
+ if (sig_nsrst)
+ mchp_ftdi_set_signal(sig_nsrst, '0');
+ else
+ LOG_ERROR("Can't assert SRST: nSRST signal is not
defined");
+ } else if (sig_nsrst && jtag_get_reset_config() & RESET_HAS_SRST &&
+ srst == 0) {
+ if (jtag_get_reset_config() & RESET_SRST_PUSH_PULL)
+ mchp_ftdi_set_signal(sig_nsrst, '1');
+ else
+ mchp_ftdi_set_signal(sig_nsrst, 'z');
+ }
+
+ return mpsse_flush(mpsse_ctx);
+}
+
+static void mchp_ftdi_execute_sleep(struct jtag_command *cmd)
+{
+ LOG_DEBUG_IO("sleep %" PRIu32, cmd->cmd.sleep->us);
+
+ mpsse_flush(mpsse_ctx);
+ jtag_sleep(cmd->cmd.sleep->us);
+ LOG_DEBUG_IO("sleep %" PRIu32 " usec while in %s",
+ cmd->cmd.sleep->us,
+ tap_state_name(tap_get_state()));
+}
+
+static void mchp_ftdi_execute_stableclocks(struct jtag_command *cmd)
+{
+ /* this is only allowed while in a stable state. A check for a stable
+ * state was done in jtag_add_clocks()
+ */
+ unsigned int num_cycles = cmd->cmd.stableclocks->num_cycles;
+
+ /* 7 bits of either ones or zeros. */
+ uint8_t tms = tap_get_state() == TAP_RESET ? 0x7f : 0x00;
+
+ /* TODO: Use mpsse_clock_data with in=out=0 for this, if TMS can be set
to
+ * the correct level and remain there during the scan */
+ while (num_cycles > 0) {
+ /* there are no state transitions in this code, so omit state
tracking */
+ unsigned int this_len = num_cycles > 7 ? 7 : num_cycles;
+ mpsse_clock_tms_cs_out(mpsse_ctx, &tms, 0, this_len, false,
ftdi_jtag_mode);
+ num_cycles -= this_len;
+ }
+
+ LOG_DEBUG_IO("clocks %u while in %s",
+ cmd->cmd.stableclocks->num_cycles,
+ tap_state_name(tap_get_state()));
+}
+
+static void mchp_ftdi_execute_command(struct jtag_command *cmd)
+{
+ switch (cmd->type) {
+ case JTAG_RUNTEST:
+ mchp_ftdi_execute_runtest(cmd);
+ break;
+ case JTAG_TLR_RESET:
+ mchp_ftdi_execute_statemove(cmd);
+ break;
+ case JTAG_PATHMOVE:
+ mchp_ftdi_execute_pathmove(cmd);
+ break;
+ case JTAG_SCAN:
+ mchp_ftdi_execute_scan(cmd);
+ break;
+ case JTAG_SLEEP:
+ mchp_ftdi_execute_sleep(cmd);
+ break;
+ case JTAG_STABLECLOCKS:
+ mchp_ftdi_execute_stableclocks(cmd);
+ break;
+ case JTAG_TMS:
+ mchp_ftdi_execute_tms(cmd);
+ break;
+ default:
+ LOG_ERROR("BUG: unknown JTAG command type encountered:
%d", cmd->type);
+ break;
+ }
+}
+
+static int mchp_ftdi_execute_queue(struct jtag_command *cmd_queue)
+{
+ /* blink, if the current layout has that feature */
+ struct signal *led = find_signal_by_name("LED");
+ if (led)
+ mchp_ftdi_set_signal(led, '1');
+
+ for (struct jtag_command *cmd = cmd_queue; cmd; cmd = cmd->next) {
+ /* fill the write buffer with the desired command */
+ mchp_ftdi_execute_command(cmd);
+ }
+
+ if (led)
+ mchp_ftdi_set_signal(led, '0');
+
+ int retval = mpsse_flush(mpsse_ctx);
+ if (retval != ERROR_OK)
+ LOG_ERROR("error while flushing MPSSE queue: %d", retval);
+
+ return retval;
+}
+
+static int mchp_ftdi_initialize(void)
+{
+ if (tap_get_tms_path_len(TAP_IRPAUSE, TAP_IRPAUSE) == 7)
+ LOG_DEBUG("ftdi interface using 7 step jtag state transitions");
+ 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;
+ }
+
+ mpsse_ctx = mpsse_open(ftdi_vid, ftdi_pid, ftdi_device_desc,
+ adapter_get_required_serial(),
adapter_usb_get_location(), ftdi_channel);
+ if (!mpsse_ctx)
+ return ERROR_JTAG_INIT_FAILED;
+
+ output = jtag_output_init;
+ direction = jtag_direction_init;
+
+ mpsse_set_data_bits_low_byte(mpsse_ctx, output & 0xff, direction &
0xff);
+ mpsse_set_data_bits_high_byte(mpsse_ctx, output >> 8, direction >> 8);
+
+ mpsse_loopback_config(mpsse_ctx, false);
+
+ freq = mpsse_set_frequency(mpsse_ctx, adapter_get_speed_khz() * 1000);
+
+ return mpsse_flush(mpsse_ctx);
+}
+
+static int mchp_ftdi_quit(void)
+{
+ 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);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_device_desc_command)
+{
+ if (CMD_ARGC == 1) {
+ free(ftdi_device_desc);
+ ftdi_device_desc = strdup(CMD_ARGV[0]);
+ } else {
+ LOG_ERROR("expected exactly one argument to ftdi device_desc
<description>");
+ }
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_channel_command)
+{
+ if (CMD_ARGC == 1)
+ COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0], ftdi_channel);
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_layout_init_command)
+{
+ if (CMD_ARGC != 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], jtag_output_init);
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], jtag_direction_init);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_layout_signal_command)
+{
+ if (CMD_ARGC < 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ bool invert_data = false;
+ uint16_t data_mask = 0;
+ bool invert_input = false;
+ uint16_t input_mask = 0;
+ bool invert_oe = false;
+ uint16_t oe_mask = 0;
+ for (unsigned int i = 1; i < CMD_ARGC; i += 2) {
+ if (strcmp("-data", CMD_ARGV[i]) == 0) {
+ invert_data = false;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], data_mask);
+ } else if (strcmp("-ndata", CMD_ARGV[i]) == 0) {
+ invert_data = true;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], data_mask);
+ } else if (strcmp("-input", CMD_ARGV[i]) == 0) {
+ invert_input = false;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], input_mask);
+ } else if (strcmp("-ninput", CMD_ARGV[i]) == 0) {
+ invert_input = true;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], input_mask);
+ } else if (strcmp("-oe", CMD_ARGV[i]) == 0) {
+ invert_oe = false;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], oe_mask);
+ } else if (strcmp("-noe", CMD_ARGV[i]) == 0) {
+ invert_oe = true;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], oe_mask);
+ } else if (!strcmp("-alias", CMD_ARGV[i]) ||
+ !strcmp("-nalias", CMD_ARGV[i])) {
+ if (!strcmp("-nalias", CMD_ARGV[i])) {
+ invert_data = true;
+ invert_input = true;
+ }
+ struct signal *sig = find_signal_by_name(CMD_ARGV[i +
1]);
+ if (!sig) {
+ LOG_ERROR("signal %s is not defined",
CMD_ARGV[i + 1]);
+ return ERROR_FAIL;
+ }
+ data_mask = sig->data_mask;
+ input_mask = sig->input_mask;
+ oe_mask = sig->oe_mask;
+ invert_input ^= sig->invert_input;
+ invert_oe = sig->invert_oe;
+ invert_data ^= sig->invert_data;
+ } else {
+ LOG_ERROR("unknown option '%s'", CMD_ARGV[i]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ }
+
+ struct signal *sig;
+ sig = find_signal_by_name(CMD_ARGV[0]);
+ if (!sig)
+ sig = create_signal(CMD_ARGV[0]);
+ if (!sig) {
+ LOG_ERROR("failed to create signal %s", CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ sig->invert_data = invert_data;
+ sig->data_mask = data_mask;
+ sig->invert_input = invert_input;
+ sig->input_mask = input_mask;
+ sig->invert_oe = invert_oe;
+ sig->oe_mask = oe_mask;
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_set_signal_command)
+{
+ if (CMD_ARGC < 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct signal *sig;
+ sig = find_signal_by_name(CMD_ARGV[0]);
+ if (!sig) {
+ LOG_ERROR("interface configuration doesn't define signal '%s'",
CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ switch (*CMD_ARGV[1]) {
+ case '0':
+ case '1':
+ case 'z':
+ case 'Z':
+ /* single character level specifier only */
+ if (CMD_ARGV[1][1] == '\0') {
+ mchp_ftdi_set_signal(sig, *CMD_ARGV[1]);
+ break;
+ }
+ /* fallthrough */
+ default:
+ LOG_ERROR("unknown signal level '%s', use 0, 1 or z",
CMD_ARGV[1]);
+ return ERROR_COMMAND_ARGUMENT_INVALID;
+ }
+
+ return mpsse_flush(mpsse_ctx);
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_get_signal_command)
+{
+ if (CMD_ARGC < 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct signal *sig;
+ uint16_t sig_data = 0;
+ sig = find_signal_by_name(CMD_ARGV[0]);
+ if (!sig) {
+ command_print(CMD, "interface configuration doesn't define
signal '%s'", CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ int ret = mchp_ftdi_get_signal(sig, &sig_data);
+ if (ret != ERROR_OK)
+ return ret;
+
+ command_print(CMD, "%#06x", sig_data);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_handle_vid_pid_command)
+{
+ if (MAX_USB_IDS * 2 <= CMD_ARGC) {
+ LOG_WARNING("ignoring extra IDs in ftdi vid_pid "
+ "(maximum is %d pairs)", MAX_USB_IDS);
+ CMD_ARGC = MAX_USB_IDS * 2;
+ }
+ if (CMD_ARGC < 2 || (CMD_ARGC & 1)) {
+ LOG_WARNING("incomplete ftdi vid_pid configuration directive");
+ if (CMD_ARGC < 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ /* remove the incomplete trailing id */
+ CMD_ARGC -= 1;
+ }
+
+ unsigned int i;
+ for (i = 0; i < CMD_ARGC; i += 2) {
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i], ftdi_vid[i >> 1]);
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], ftdi_pid[i >> 1]);
+ }
+
+ /*
+ * Explicitly terminate, in case there are multiples instances of
+ * ftdi vid_pid.
+ */
+ ftdi_vid[i >> 1] = 0;
+ ftdi_pid[i >> 1] = 0;
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(mchp_ftdi_init_bank_d_command)
+{
+ extern void interface_d_init(void);
+ interface_d_init();
+ return ERROR_OK;
+}
+
+static const struct command_registration ftdi_subcommand_handlers[] = {
+ {
+ .name = "device_desc",
+ .handler = &mchp_ftdi_handle_device_desc_command,
+ .mode = COMMAND_CONFIG,
+ .help = "set the USB device description of the FTDI device",
+ .usage = "description_string",
+ },
+ {
+ .name = "channel",
+ .handler = &mchp_ftdi_handle_channel_command,
+ .mode = COMMAND_CONFIG,
+ .help = "set the channel of the FTDI device that is used as
JTAG",
+ .usage = "(0-3)",
+ },
+ {
+ .name = "layout_init",
+ .handler = &mchp_ftdi_handle_layout_init_command,
+ .mode = COMMAND_CONFIG,
+ .help = "initialize the FTDI GPIO signals used "
+ "to control output-enables and reset signals",
+ .usage = "data direction",
+ },
+ {
+ .name = "layout_signal",
+ .handler = &mchp_ftdi_handle_layout_signal_command,
+ .mode = COMMAND_ANY,
+ .help = "define a signal controlled by one or more FTDI GPIO as
data "
+ "and/or output enable",
+ .usage = "name [-data mask|-ndata mask] [-oe mask|-noe mask]
[-alias|-nalias name]",
+ },
+ {
+ .name = "set_signal",
+ .handler = &mchp_ftdi_handle_set_signal_command,
+ .mode = COMMAND_EXEC,
+ .help = "control a layout-specific signal",
+ .usage = "name (1|0|z)",
+ },
+ {
+ .name = "get_signal",
+ .handler = &mchp_ftdi_handle_get_signal_command,
+ .mode = COMMAND_EXEC,
+ .help = "read the value of a layout-specific signal",
+ .usage = "name",
+ },
+ {
+ .name = "vid_pid",
+ .handler = &mchp_ftdi_handle_vid_pid_command,
+ .mode = COMMAND_CONFIG,
+ .help = "the vendor ID and product ID of the FTDI device",
+ .usage = "(vid pid)*",
+ },
+ {
+ .name = "init_bank_d",
+ .handler = &mchp_ftdi_init_bank_d_command,
+ .mode = COMMAND_CONFIG,
+ .help = "for some devices, you may need to initialize bank d",
+ .usage = "init_bank_d"
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+static const struct command_registration ftdi_command_handlers[] = {
+ {
+ .name = "mchp_ftdi",
+ .mode = COMMAND_ANY,
+ .help = "perform ftdi management",
+ .chain = ftdi_subcommand_handlers,
+ .usage = "",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+
+static const char * const ftdi_transports[] = { "jtag", NULL };
+
+static struct jtag_interface ftdi_interface = {
+ .supported = DEBUG_CAP_TMS_SEQ,
+ .execute_queue = mchp_ftdi_execute_queue,
+};
+
+struct adapter_driver mchp_ftdi_adapter_driver = {
+ .name = "mchp_ftdi",
+ .transports = ftdi_transports,
+ .commands = ftdi_command_handlers,
+
+ .init = mchp_ftdi_initialize,
+ .quit = mchp_ftdi_quit,
+ .reset = mchp_ftdi_reset,
+ .speed = mchp_ftdi_speed,
+ .khz = mchp_ftdi_khz,
+ .speed_div = mchp_ftdi_speed_div,
+
+ .jtag_ops = &ftdi_interface,
+};
diff --git a/src/jtag/drivers/mchp_ftdi.c b/src/jtag/drivers/mchp_ftdi.c
new file mode 100644
index 0000000000..dfd129a847
--- /dev/null
+++ b/src/jtag/drivers/mchp_ftdi.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/***************************************************************************
+ * Copyright (C) 2024 by Microchip Inc. *
+ * matteo.bonicol...@microchip.com *
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "config.h"
+#include "libftdi_helper.h"
+#include "helper/log.h"
+
+#define MCHP_FP5_VID (0x1514)
+#define MCHP_FP5_PID (0x2008)
+
+#define DD0_CTRL0 (1)
+#define DD1_CTRL1 (2)
+#define DD2_CTRL2 (4)
+#define DD3_CTRL3 (8)
+#define DD4_PROG_MODE (0x10)
+#define DD5_VJTAG_SPI_PWR_ENB_OFF (0x20) /* (Low - on, High - Off */
+#define DD6_VJTAG_DEBUG_PWR_ENB_OFF (0x40) /* (Low - on, High - Off */
+#define DD7_VPUMP_PWR_ENB_OFF (0x80) /* (Low - on, High - Off */
+
+int interface_d_init(void)
+{
+ struct ftdi_device_list *devlist, *curdev;
+ struct ftdi_context ftdic;
+ unsigned char pins = DD0_CTRL0 | DD1_CTRL1 | DD2_CTRL2 | DD3_CTRL3 |
+ DD6_VJTAG_DEBUG_PWR_ENB_OFF;
+ uint16_t ftdi_vid = MCHP_FP5_VID;
+ uint16_t ftdi_pid = MCHP_FP5_PID;
+ int err;
+
+ err = ftdi_init(&ftdic);
+ if (err) {
+ LOG_ERROR("ftdi_init() failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ return err;
+ }
+
+ err = ftdi_usb_find_all(&ftdic, &devlist, ftdi_vid, ftdi_pid);
+ if (err < 0) {
+ LOG_ERROR("ftdi_usb_find_all() failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ return err;
+ }
+
+ if (err == 0) {
+ LOG_INFO("Found no FP5 devices");
+ return err;
+ }
+
+ LOG_INFO("Found %d FP5 device%s\n", err, err > 1 ? "s" : "");
+ curdev = devlist;
+ while (curdev) {
+ err = ftdi_set_interface(&ftdic, INTERFACE_D);
+ if (err < 0) {
+ LOG_ERROR("ftdi_set_interface failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+
+ err = ftdi_usb_open_dev(&ftdic, curdev->dev);
+ if (err < 0) {
+ LOG_ERROR("ftdi_usb_open_dev failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+ LOG_DEBUG("Opened FP5's interface D");
+
+ err = ftdi_set_bitmode(&ftdic, 0xff, 0x01);
+ if (err) {
+ LOG_ERROR("ftdi_set_bitmode failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+
+ err = ftdi_write_data(&ftdic, &pins, sizeof(pins));
+ if (err != sizeof(pins)) {
+ LOG_ERROR("ftdi_write_data failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+
+ err = ftdi_read_data(&ftdic, &pins, sizeof(pins));
+ if (err != sizeof(pins)) {
+ LOG_ERROR("ftdi_read_data failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+ LOG_DEBUG("Set pins on interface D to 0x%x", pins);
+
+ err = ftdi_usb_close(&ftdic);
+ if (err) {
+ LOG_ERROR("ftdi_usb_close failed: %d (%s)", err,
ftdi_get_error_string(&ftdic));
+ exit(0);
+ }
+ LOG_DEBUG("Closed FP5's interface D");
+
+ curdev = curdev->next;
+ }
+ ftdi_list_free(&devlist);
+
+ return ERROR_OK;
+}
diff --git a/src/jtag/interface.h b/src/jtag/interface.h
index 72634c6286..4ac30cd95d 100644
--- a/src/jtag/interface.h
+++ b/src/jtag/interface.h
@@ -405,4 +405,5 @@ extern struct adapter_driver xds110_adapter_driver;
extern struct adapter_driver xlnx_pcie_xvc_adapter_driver;
extern struct adapter_driver mchp_fp6_adapter_driver;
extern struct adapter_driver mchp_efp6_adapter_driver;
+extern struct adapter_driver mchp_ftdi_adapter_driver;
#endif /* OPENOCD_JTAG_INTERFACE_H */
diff --git a/src/jtag/interfaces.c b/src/jtag/interfaces.c
index 756a635efb..8dd555a0a2 100644
--- a/src/jtag/interfaces.c
+++ b/src/jtag/interfaces.c
@@ -158,6 +158,9 @@ struct adapter_driver *adapter_drivers[] = {
#endif
#if BUILD_MICROCHIP_EFP6 == 1
&mchp_efp6_adapter_driver,
+#endif
+#if BUILD_MICROCHIP_FP5_FTDI == 1
+ &mchp_ftdi_adapter_driver,
#endif
NULL,
};
diff --git a/tcl/board/microchip_riscv_fp5.cfg
b/tcl/board/microchip_riscv_fp5.cfg
new file mode 100644
index 0000000000..0c708e43b2
--- /dev/null
+++ b/tcl/board/microchip_riscv_fp5.cfg
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#**************************************************************************
+# Copyright (C) 2015-2018 by Microchip Technology Inc. *
+# http://www.microchip.com/support *
+# *
+# This program is free software; you can redistribute it and/or modify *
+# it under the terms of the GNU General Public License as published by *
+# the Free Software Foundation; either version 2 of the License, or *
+# (at your option) any later version. *
+# *
+# This program is distributed in the hope that it will be useful, *
+# but WITHOUT ANY WARRANTY; without even the implied warranty of *
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+# GNU General Public License for more details. *
+# *
+# You should have received a copy of the GNU General Public License *
+# along with this program. If not, see <http://www.gnu.org/licenses/>. *
+#**************************************************************************
+
+#------------------------------------------------------------------------------
+# Microchip RISC-V board
+#------------------------------------------------------------------------------
+
+# Device
+source [find interface/flashpro5.cfg]
+source [find target/microchip_riscv.cfg]
+
+# Board specific initialization
+proc do_board_reset_init {} {
+ # doesn't appear to be called
+}
diff --git a/tcl/interface/flashpro5.cfg b/tcl/interface/flashpro5.cfg
new file mode 100644
index 0000000000..ae418d16b9
--- /dev/null
+++ b/tcl/interface/flashpro5.cfg
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# FlashPro5
+#
+
+adapter speed 6000
+
+adapter driver mchp_ftdi
+mchp_ftdi device_desc "FlashPro5"
+mchp_ftdi vid_pid 0x1514 0x2008
+mchp_ftdi init_bank_d
+
+# That FTDI has 4 channels (channel 0 and 1 are MPSSE-capable, 2 and 3 are
bitbang
+mchp_ftdi channel 0
+
+# Initial Layout - data[0..15] direction[0..15]
+mchp_ftdi layout_init 0xff78 0xff7b
+# Signal Data Direction Notes
+# AD0 TCK 0 1 (out) Port A TCK
+# AD1 TDI 0 1 (out) Port A TDI
+# AD2 TDO 0 0 (in) PORT A TDO
+# AD3 TMS 1 1 (out) Port A TMS
+# AD4 GPIOL0 1 1 (out) Port A TRST
+# AD5 GPIOL1 1 1 (out) Enable Buff Prog
+# AD6 GPIOL2 1 1 (out) Mux Sel Prog ADC
+# AD7 GPIOL3 0 0 (in) GPIO Spare (Unused)
+
+# BD0 TCK 1 1 (out) Port B TCK
+# BD1 TDI 1 1 (out) Port B TDI
+# BD2 TDO 1 1 (out) Port B TDO (unused)
+# BD3 TMS 1 1 (out) Port B TMS
+# BD4 GPIOL0 1 1 (out) Port B TRST
+# BD5 GPIOL1 1 1 (out) Enable Buff SD
+# BD6 GPIOL2 1 1 (out) Status LED B1
+# BD7 GPIOL2 1 1 (out) Status LED B0
+
+# Signals definition
+mchp_ftdi layout_signal nTRST -data 0x0010
--
