#include <jtag/interface.h>
#include <jtag/swd.h>
#include <jtag/commands.h>
-#include <jtag/drivers/jtag_usb_common.h>
+#include <jtag/adapter.h>
+#include <helper/replacements.h>
+#include <target/cortex_m.h>
#include <libjaylink/libjaylink.h>
static unsigned int swd_buffer_size = JLINK_TAP_BUFFER_SIZE;
+/* Maximum SWO frequency deviation. */
+#define SWO_MAX_FREQ_DEV 0.03
+
/* 256 byte non-volatile memory */
struct device_config {
uint8_t usb_address;
static void jlink_stableclocks(int num_cycles);
static void jlink_runtest(int num_cycles);
static void jlink_reset(int trst, int srst);
+static int jlink_reset_safe(int trst, int srst);
static int jlink_swd_run_queue(void);
static void jlink_swd_queue_cmd(uint8_t cmd, uint32_t *dst, uint32_t data, uint32_t ap_delay_clk);
static int jlink_swd_switch_seq(enum swd_special_seq seq);
tap_state_name(tap_get_end_state()));
}
-static void jlink_execute_reset(struct jtag_command *cmd)
-{
- LOG_DEBUG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst,
- cmd->cmd.reset->srst);
-
- jlink_flush();
- jlink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- jlink_flush();
-}
-
static void jlink_execute_sleep(struct jtag_command *cmd)
{
- LOG_DEBUG_IO("sleep %" PRIi32 "", cmd->cmd.sleep->us);
+ LOG_DEBUG_IO("sleep %" PRIu32 "", cmd->cmd.sleep->us);
jlink_flush();
jtag_sleep(cmd->cmd.sleep->us);
}
case JTAG_SCAN:
jlink_execute_scan(cmd);
break;
- case JTAG_RESET:
- jlink_execute_reset(cmd);
- break;
case JTAG_SLEEP:
jlink_execute_sleep(cmd);
break;
default:
- LOG_ERROR("BUG: Unknown JTAG command type encountered.");
+ LOG_ERROR("BUG: Unknown JTAG command type encountered");
return ERROR_JTAG_QUEUE_FAILED;
}
int ret;
struct jtag_command *cmd = jtag_command_queue;
- while (cmd != NULL) {
+ while (cmd) {
ret = jlink_execute_command(cmd);
if (ret != ERROR_OK)
ret = jaylink_get_speeds(devh, &tmp);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_speeds() failed: %s.",
+ LOG_ERROR("jaylink_get_speeds() failed: %s",
jaylink_strerror(ret));
return ERROR_JTAG_DEVICE_ERROR;
}
if (!speed) {
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ADAPTIVE_CLOCKING)) {
- LOG_ERROR("Adaptive clocking is not supported by the device.");
+ LOG_ERROR("Adaptive clocking is not supported by the device");
return ERROR_JTAG_NOT_IMPLEMENTED;
}
speed = JAYLINK_SPEED_ADAPTIVE_CLOCKING;
} else if (speed > max_speed) {
- LOG_INFO("Reduced speed from %d kHz to %d kHz (maximum).", speed,
+ LOG_INFO("Reduced speed from %d kHz to %d kHz (maximum)", speed,
max_speed);
speed = max_speed;
}
ret = jaylink_set_speed(devh, speed);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_set_speed() failed: %s.",
+ LOG_ERROR("jaylink_set_speed() failed: %s",
jaylink_strerror(ret));
return ERROR_JTAG_DEVICE_ERROR;
}
ret = jaylink_read_raw_config(devh, (uint8_t *)cfg);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_read_raw_config() failed: %s.",
+ LOG_ERROR("jaylink_read_raw_config() failed: %s",
jaylink_strerror(ret));
return false;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SELECT_TIF)) {
if (iface != JAYLINK_TIF_JTAG) {
- LOG_ERROR("Device supports JTAG transport only.");
+ LOG_ERROR("Device supports JTAG transport only");
return ERROR_JTAG_INIT_FAILED;
}
ret = jaylink_get_available_interfaces(devh, &interfaces);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_available_interfaces() failed: %s.",
+ LOG_ERROR("jaylink_get_available_interfaces() failed: %s",
jaylink_strerror(ret));
return ERROR_JTAG_INIT_FAILED;
}
if (!(interfaces & (1 << iface))) {
- LOG_ERROR("Selected transport is not supported by the device.");
+ LOG_ERROR("Selected transport is not supported by the device");
return ERROR_JTAG_INIT_FAILED;
}
ret = jaylink_select_interface(devh, iface, NULL);
if (ret < 0) {
- LOG_ERROR("jaylink_select_interface() failed: %s.",
+ LOG_ERROR("jaylink_select_interface() failed: %s",
jaylink_strerror(ret));
return ERROR_JTAG_INIT_FAILED;
}
ret = jaylink_register(devh, &conn, connlist, &count);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_register() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_register() failed: %s", jaylink_strerror(ret));
return ERROR_FAIL;
}
if (!handle_found) {
LOG_ERROR("Registration failed: maximum number of connections on the "
- "device reached.");
+ "device reached");
return ERROR_FAIL;
}
ret = jaylink_get_free_memory(devh, &tmp);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_free_memory() failed: %s.",
+ LOG_ERROR("jaylink_get_free_memory() failed: %s",
jaylink_strerror(ret));
return false;
}
if (tmp < 143) {
- LOG_ERROR("Not enough free device internal memory: %u bytes.", tmp);
+ LOG_ERROR("Not enough free device internal memory: %" PRIu32 " bytes", tmp);
return false;
}
if (tmp != swd_buffer_size) {
swd_buffer_size = tmp;
- LOG_DEBUG("Adjusted SWD transaction buffer size to %u bytes.",
+ LOG_DEBUG("Adjusted SWD transaction buffer size to %u bytes",
swd_buffer_size);
}
if (retval == JAYLINK_ERR_NOT_SUPPORTED) {
return false;
} else if (retval != JAYLINK_OK) {
- LOG_WARNING("jaylink_device_get_usb_bus_ports() failed: %s.",
+ LOG_WARNING("jaylink_device_get_usb_bus_ports() failed: %s",
jaylink_strerror(retval));
return false;
}
- equal = jtag_usb_location_equal(bus, ports, num_ports);
+ equal = adapter_usb_location_equal(bus, ports, num_ports);
free(ports);
return equal;
}
-static int jlink_init(void)
+static int jlink_open_device(uint32_t ifaces, bool *found_device)
{
- int ret;
- struct jaylink_device **devs;
- unsigned int i;
- bool found_device;
- uint32_t tmp;
- char *firmware_version;
- struct jaylink_hardware_version hwver;
- struct jaylink_hardware_status hwstatus;
- enum jaylink_usb_address address;
- size_t length;
- size_t num_devices;
- uint32_t host_interfaces;
-
- LOG_DEBUG("Using libjaylink %s (compiled with %s).",
- jaylink_version_package_get_string(), JAYLINK_VERSION_PACKAGE_STRING);
-
- if (!jaylink_library_has_cap(JAYLINK_CAP_HIF_USB) && use_usb_address) {
- LOG_ERROR("J-Link driver does not support USB devices.");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- ret = jaylink_init(&jayctx);
-
- if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_init() failed: %s.", jaylink_strerror(ret));
- return ERROR_JTAG_INIT_FAILED;
- }
-
- ret = jaylink_log_set_callback(jayctx, &jaylink_log_handler, NULL);
-
+ int ret = jaylink_discovery_scan(jayctx, ifaces);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_log_set_callback() failed: %s.",
- jaylink_strerror(ret));
- jaylink_exit(jayctx);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- host_interfaces = JAYLINK_HIF_USB;
-
- if (use_serial_number)
- host_interfaces |= JAYLINK_HIF_TCP;
-
- ret = jaylink_discovery_scan(jayctx, host_interfaces);
-
- if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_discovery_scan() failed: %s.",
- jaylink_strerror(ret));
+ LOG_ERROR("jaylink_discovery_scan() failed: %s", jaylink_strerror(ret));
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
}
+ size_t num_devices;
+ struct jaylink_device **devs;
ret = jaylink_get_devices(jayctx, &devs, &num_devices);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_devices() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_get_devices() failed: %s", jaylink_strerror(ret));
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
}
- use_usb_location = (jtag_usb_get_location() != NULL);
+ use_usb_location = !!adapter_usb_get_location();
if (!use_serial_number && !use_usb_address && !use_usb_location && num_devices > 1) {
- LOG_ERROR("Multiple devices found, specify the desired device.");
+ LOG_ERROR("Multiple devices found, specify the desired device");
jaylink_free_devices(devs, true);
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
}
- found_device = false;
+ *found_device = false;
- for (i = 0; devs[i]; i++) {
+ for (size_t i = 0; devs[i]; i++) {
struct jaylink_device *dev = devs[i];
if (use_serial_number) {
+ uint32_t tmp;
ret = jaylink_device_get_serial_number(dev, &tmp);
if (ret == JAYLINK_ERR_NOT_AVAILABLE) {
continue;
} else if (ret != JAYLINK_OK) {
- LOG_WARNING("jaylink_device_get_serial_number() failed: %s.",
+ LOG_WARNING("jaylink_device_get_serial_number() failed: %s",
jaylink_strerror(ret));
continue;
}
}
if (use_usb_address) {
+ enum jaylink_usb_address address;
ret = jaylink_device_get_usb_address(dev, &address);
if (ret == JAYLINK_ERR_NOT_SUPPORTED) {
continue;
} else if (ret != JAYLINK_OK) {
- LOG_WARNING("jaylink_device_get_usb_address() failed: %s.",
+ LOG_WARNING("jaylink_device_get_usb_address() failed: %s",
jaylink_strerror(ret));
continue;
}
ret = jaylink_open(dev, &devh);
if (ret == JAYLINK_OK) {
- found_device = true;
+ *found_device = true;
break;
}
- LOG_ERROR("Failed to open device: %s.", jaylink_strerror(ret));
+ LOG_ERROR("Failed to open device: %s", jaylink_strerror(ret));
}
jaylink_free_devices(devs, true);
+ return ERROR_OK;
+}
+
+
+static int jlink_init(void)
+{
+ int ret;
+ char *firmware_version;
+ struct jaylink_hardware_version hwver;
+ struct jaylink_hardware_status hwstatus;
+ size_t length;
+
+ LOG_DEBUG("Using libjaylink %s (compiled with %s)",
+ jaylink_version_package_get_string(), JAYLINK_VERSION_PACKAGE_STRING);
+
+ if (!jaylink_library_has_cap(JAYLINK_CAP_HIF_USB) && use_usb_address) {
+ LOG_ERROR("J-Link driver does not support USB devices");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ ret = jaylink_init(&jayctx);
+
+ if (ret != JAYLINK_OK) {
+ LOG_ERROR("jaylink_init() failed: %s", jaylink_strerror(ret));
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ ret = jaylink_log_set_callback(jayctx, &jaylink_log_handler, NULL);
+
+ if (ret != JAYLINK_OK) {
+ LOG_ERROR("jaylink_log_set_callback() failed: %s",
+ jaylink_strerror(ret));
+ jaylink_exit(jayctx);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ const char *serial = adapter_get_required_serial();
+ if (serial) {
+ ret = jaylink_parse_serial_number(serial, &serial_number);
+ if (ret == JAYLINK_ERR) {
+ LOG_ERROR("Invalid serial number: %s", serial);
+ jaylink_exit(jayctx);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ if (ret != JAYLINK_OK) {
+ LOG_ERROR("jaylink_parse_serial_number() failed: %s", jaylink_strerror(ret));
+ jaylink_exit(jayctx);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ use_serial_number = true;
+ use_usb_address = false;
+ }
+
+ bool found_device;
+ ret = jlink_open_device(JAYLINK_HIF_USB, &found_device);
+ if (ret != ERROR_OK)
+ return ret;
+
+ if (!found_device && use_serial_number) {
+ ret = jlink_open_device(JAYLINK_HIF_TCP, &found_device);
+ if (ret != ERROR_OK)
+ return ret;
+ }
if (!found_device) {
- LOG_ERROR("No J-Link device found.");
+ LOG_ERROR("No J-Link device found");
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
}
ret = jaylink_get_firmware_version(devh, &firmware_version, &length);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_firmware_version() failed: %s.",
+ LOG_ERROR("jaylink_get_firmware_version() failed: %s",
jaylink_strerror(ret));
jaylink_close(devh);
jaylink_exit(jayctx);
LOG_INFO("%s", firmware_version);
free(firmware_version);
} else {
- LOG_WARNING("Device responds empty firmware version string.");
+ LOG_WARNING("Device responds empty firmware version string");
}
memset(caps, 0, JAYLINK_DEV_EXT_CAPS_SIZE);
ret = jaylink_get_caps(devh, caps);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_caps() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_get_caps() failed: %s", jaylink_strerror(ret));
jaylink_close(devh);
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
ret = jaylink_get_extended_caps(devh, caps);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_extended_caps() failed: %s.",
+ LOG_ERROR("jaylink_get_extended_caps() failed: %s",
jaylink_strerror(ret));
jaylink_close(devh);
jaylink_exit(jayctx);
ret = jaylink_get_hardware_version(devh, &hwver);
if (ret != JAYLINK_OK) {
- LOG_ERROR("Failed to retrieve hardware version: %s.",
+ LOG_ERROR("Failed to retrieve hardware version: %s",
jaylink_strerror(ret));
jaylink_close(devh);
jaylink_exit(jayctx);
if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
if (!read_device_config(&config)) {
- LOG_ERROR("Failed to read device configuration data.");
+ LOG_ERROR("Failed to read device configuration data");
jaylink_close(devh);
jaylink_exit(jayctx);
return ERROR_JTAG_INIT_FAILED;
ret = jaylink_get_hardware_status(devh, &hwstatus);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_hardware_status() failed: %s.",
+ LOG_ERROR("jaylink_get_hardware_status() failed: %s",
jaylink_strerror(ret));
jaylink_close(devh);
jaylink_exit(jayctx);
jtag_sleep(3000);
jlink_tap_init();
- jlink_speed(jtag_get_speed_khz());
+ jlink_speed(adapter_get_speed_khz());
if (iface == JAYLINK_TIF_JTAG) {
/*
ret = jaylink_swo_stop(devh);
if (ret != JAYLINK_OK)
- LOG_ERROR("jaylink_swo_stop() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_swo_stop() failed: %s", jaylink_strerror(ret));
}
if (jaylink_has_cap(caps, JAYLINK_DEV_CAP_REGISTER)) {
ret = jaylink_unregister(devh, &conn, connlist, &count);
if (ret != JAYLINK_OK)
- LOG_ERROR("jaylink_unregister() failed: %s.",
+ LOG_ERROR("jaylink_unregister() failed: %s",
jaylink_strerror(ret));
}
else if (path[i] == tap_state_transition(tap_get_state(), true))
jlink_clock_data(NULL, 0, &tms, 0, NULL, 0, 1);
else {
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition.",
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
tap_state_name(tap_get_state()), tap_state_name(path[i]));
exit(-1);
}
static void jlink_reset(int trst, int srst)
{
- LOG_DEBUG("TRST: %i, SRST: %i.", trst, srst);
+ LOG_DEBUG("TRST: %i, SRST: %i", trst, srst);
/* Signals are active low. */
if (srst == 0)
jaylink_jtag_set_trst(devh);
}
+static int jlink_reset_safe(int trst, int srst)
+{
+ jlink_flush();
+ jlink_reset(trst, srst);
+ return jlink_flush();
+}
+
COMMAND_HANDLER(jlink_usb_command)
{
int tmp;
if (CMD_ARGC != 1) {
- command_print(CMD, "Need exactly one argument for jlink usb.");
+ command_print(CMD, "Need exactly one argument for jlink usb");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (sscanf(CMD_ARGV[0], "%i", &tmp) != 1) {
- command_print(CMD, "Invalid USB address: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid USB address: %s", CMD_ARGV[0]);
return ERROR_FAIL;
}
if (tmp < JAYLINK_USB_ADDRESS_0 || tmp > JAYLINK_USB_ADDRESS_3) {
- command_print(CMD, "Invalid USB address: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid USB address: %s", CMD_ARGV[0]);
return ERROR_FAIL;
}
usb_address = tmp;
- use_serial_number = false;
use_usb_address = true;
return ERROR_OK;
}
-COMMAND_HANDLER(jlink_serial_command)
-{
- int ret;
-
- if (CMD_ARGC != 1) {
- command_print(CMD, "Need exactly one argument for jlink serial.");
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- ret = jaylink_parse_serial_number(CMD_ARGV[0], &serial_number);
-
- if (ret == JAYLINK_ERR) {
- command_print(CMD, "Invalid serial number: %s.", CMD_ARGV[0]);
- return ERROR_FAIL;
- } else if (ret != JAYLINK_OK) {
- command_print(CMD, "jaylink_parse_serial_number() failed: %s.",
- jaylink_strerror(ret));
- return ERROR_FAIL;
- }
-
- use_serial_number = true;
- use_usb_address = false;
-
- return ERROR_OK;
-}
-
COMMAND_HANDLER(jlink_handle_hwstatus_command)
{
int ret;
ret = jaylink_get_hardware_status(devh, &status);
if (ret != JAYLINK_OK) {
- command_print(CMD, "jaylink_get_hardware_status() failed: %s.",
+ command_print(CMD, "jaylink_get_hardware_status() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
status.tres, status.trst);
if (status.target_voltage < 1500)
- command_print(CMD, "Target voltage too low. Check target power.");
+ command_print(CMD, "Target voltage too low. Check target power");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_GET_FREE_MEMORY)) {
command_print(CMD, "Retrieval of free memory is not supported by "
- "the device.");
+ "the device");
return ERROR_OK;
}
ret = jaylink_get_free_memory(devh, &tmp);
if (ret != JAYLINK_OK) {
- command_print(CMD, "jaylink_get_free_memory() failed: %s.",
+ command_print(CMD, "jaylink_get_free_memory() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
- command_print(CMD, "Device has %u bytes of free memory.", tmp);
+ command_print(CMD, "Device has %" PRIu32 " bytes of free memory", tmp);
return ERROR_OK;
}
command_print(CMD, "JTAG command version: %i", version);
} else if (CMD_ARGC == 1) {
if (sscanf(CMD_ARGV[0], "%i", &tmp) != 1) {
- command_print(CMD, "Invalid argument: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]);
return ERROR_COMMAND_SYNTAX_ERROR;
}
jtag_command_version = JAYLINK_JTAG_VERSION_3;
break;
default:
- command_print(CMD, "Invalid argument: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]);
return ERROR_COMMAND_SYNTAX_ERROR;
}
} else {
- command_print(CMD, "Need exactly one argument for jlink jtag.");
+ command_print(CMD, "Need exactly one argument for jlink jtag");
return ERROR_COMMAND_SYNTAX_ERROR;
}
int enable;
if (CMD_ARGC != 1) {
- command_print(CMD, "Need exactly one argument for jlink "
- "targetpower.");
+ command_print(CMD, "Need exactly one argument for jlink targetpower");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) {
command_print(CMD, "Target power supply is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
} else if (!strcmp(CMD_ARGV[0], "off")) {
enable = false;
} else {
- command_print(CMD, "Invalid argument: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]);
return ERROR_FAIL;
}
ret = jaylink_set_target_power(devh, enable);
if (ret != JAYLINK_OK) {
- command_print(CMD, "jaylink_set_target_power() failed: %s.",
+ command_print(CMD, "jaylink_set_target_power() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
ret = jaylink_swo_read(devh, buf, &length);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_swo_read() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_swo_read() failed: %s", jaylink_strerror(ret));
return ERROR_FAIL;
}
ret = jaylink_get_free_memory(devh, &tmp);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_get_free_memory() failed: %s.",
+ LOG_ERROR("jaylink_get_free_memory() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
return tmp & 0xffffff00;
}
-static bool check_trace_freq(struct jaylink_swo_speed speed,
- uint32_t trace_freq)
+static bool calculate_swo_prescaler(unsigned int traceclkin_freq,
+ uint32_t trace_freq, uint16_t *prescaler)
+{
+ unsigned int presc = (traceclkin_freq + trace_freq / 2) / trace_freq;
+ if (presc == 0 || presc > TPIU_ACPR_MAX_SWOSCALER + 1)
+ return false;
+
+ /* Probe's UART speed must be within 3% of the TPIU's SWO baud rate. */
+ unsigned int max_deviation = (traceclkin_freq * 3) / 100;
+ if (presc * trace_freq < traceclkin_freq - max_deviation ||
+ presc * trace_freq > traceclkin_freq + max_deviation)
+ return false;
+
+ *prescaler = presc;
+
+ return true;
+}
+
+static bool detect_swo_freq_and_prescaler(struct jaylink_swo_speed speed,
+ unsigned int traceclkin_freq, unsigned int *trace_freq,
+ uint16_t *prescaler)
{
- double min;
- double deviation;
uint32_t divider;
+ unsigned int presc;
+ double deviation;
- min = fabs(1.0 - (speed.freq / ((double)trace_freq * speed.min_div)));
+ for (divider = speed.min_div; divider <= speed.max_div; divider++) {
+ *trace_freq = speed.freq / divider;
+ presc = ((1.0 - SWO_MAX_FREQ_DEV) * traceclkin_freq) / *trace_freq + 1;
- for (divider = speed.min_div; divider < speed.max_div; divider++) {
- deviation = fabs(1.0 - (speed.freq / ((double)trace_freq * divider)));
+ if (presc > TPIU_ACPR_MAX_SWOSCALER + 1)
+ break;
- if (deviation < 0.03) {
- LOG_DEBUG("Found suitable frequency divider %u with deviation of "
- "%.02f %%.", divider, deviation);
+ deviation = fabs(1.0 - ((double)*trace_freq * presc / traceclkin_freq));
+
+ if (deviation <= SWO_MAX_FREQ_DEV) {
+ *prescaler = presc;
return true;
}
-
- if (deviation < min)
- min = deviation;
}
- LOG_ERROR("Selected trace frequency is not supported by the device. "
- "Please choose a different trace frequency.");
- LOG_ERROR("Maximum permitted deviation is 3.00 %%, but only %.02f %% "
- "could be achieved.", min * 100);
-
return false;
}
static int config_trace(bool enabled, enum tpiu_pin_protocol pin_protocol,
- uint32_t port_size, unsigned int *trace_freq)
+ uint32_t port_size, unsigned int *trace_freq,
+ unsigned int traceclkin_freq, uint16_t *prescaler)
{
int ret;
uint32_t buffer_size;
struct jaylink_swo_speed speed;
+ uint32_t divider;
+ uint32_t min_freq;
+ uint32_t max_freq;
+
+ trace_enabled = enabled;
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SWO)) {
- LOG_ERROR("Trace capturing is not supported by the device.");
- return ERROR_FAIL;
- }
+ if (!enabled)
+ return ERROR_OK;
- if (pin_protocol != TPIU_PIN_PROTOCOL_ASYNC_UART) {
- LOG_ERROR("Selected pin protocol is not supported.");
+ LOG_ERROR("Trace capturing is not supported by the device");
return ERROR_FAIL;
}
- trace_enabled = enabled;
-
ret = jaylink_swo_stop(devh);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_swo_stop() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_swo_stop() failed: %s", jaylink_strerror(ret));
return ERROR_FAIL;
}
return ERROR_OK;
}
+ if (pin_protocol != TPIU_PIN_PROTOCOL_ASYNC_UART) {
+ LOG_ERROR("Selected pin protocol is not supported");
+ return ERROR_FAIL;
+ }
+
buffer_size = calculate_trace_buffer_size();
if (!buffer_size) {
- LOG_ERROR("Not enough free device memory to start trace capturing.");
+ LOG_ERROR("Not enough free device memory to start trace capturing");
return ERROR_FAIL;
}
ret = jaylink_swo_get_speeds(devh, JAYLINK_SWO_MODE_UART, &speed);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_swo_get_speeds() failed: %s.",
+ LOG_ERROR("jaylink_swo_get_speeds() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
- if (!*trace_freq)
- *trace_freq = speed.freq / speed.min_div;
+ if (*trace_freq > 0) {
+ divider = speed.freq / *trace_freq;
+ min_freq = speed.freq / speed.max_div;
+ max_freq = speed.freq / speed.min_div;
+
+ if (*trace_freq > max_freq) {
+ LOG_INFO("Given SWO frequency too high, using %" PRIu32 " Hz instead",
+ max_freq);
+ *trace_freq = max_freq;
+ } else if (*trace_freq < min_freq) {
+ LOG_INFO("Given SWO frequency too low, using %" PRIu32 " Hz instead",
+ min_freq);
+ *trace_freq = min_freq;
+ } else if (*trace_freq != speed.freq / divider) {
+ *trace_freq = speed.freq / divider;
+
+ LOG_INFO("Given SWO frequency is not supported by the device, "
+ "using %u Hz instead", *trace_freq);
+ }
+
+ if (!calculate_swo_prescaler(traceclkin_freq, *trace_freq,
+ prescaler)) {
+ LOG_ERROR("SWO frequency is not suitable. Please choose a "
+ "different frequency or use auto-detection");
+ return ERROR_FAIL;
+ }
+ } else {
+ LOG_INFO("Trying to auto-detect SWO frequency");
- if (!check_trace_freq(speed, *trace_freq))
- return ERROR_FAIL;
+ if (!detect_swo_freq_and_prescaler(speed, traceclkin_freq, trace_freq,
+ prescaler)) {
+ LOG_ERROR("Maximum permitted frequency deviation of %.02f %% "
+ "could not be achieved", SWO_MAX_FREQ_DEV);
+ LOG_ERROR("Auto-detection of SWO frequency failed");
+ return ERROR_FAIL;
+ }
- LOG_DEBUG("Using %u bytes device memory for trace capturing.", buffer_size);
+ LOG_INFO("Using SWO frequency of %u Hz", *trace_freq);
+ }
ret = jaylink_swo_start(devh, JAYLINK_SWO_MODE_UART, *trace_freq,
buffer_size);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_start_swo() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_start_swo() failed: %s", jaylink_strerror(ret));
return ERROR_FAIL;
}
+ LOG_DEBUG("Using %" PRIu32 " bytes device memory for trace capturing",
+ buffer_size);
+
/*
* Adjust the SWD transaction buffer size as starting SWO capturing
* allocates device internal memory.
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
command_print(CMD, "Reading configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
show_config_usb_address(CMD);
} else if (CMD_ARGC == 1) {
if (sscanf(CMD_ARGV[0], "%" SCNd8, &tmp) != 1) {
- command_print(CMD, "Invalid USB address: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid USB address: %s", CMD_ARGV[0]);
return ERROR_FAIL;
}
if (tmp > JAYLINK_USB_ADDRESS_3) {
- command_print(CMD, "Invalid USB address: %u.", tmp);
+ command_print(CMD, "Invalid USB address: %u", tmp);
return ERROR_FAIL;
}
tmp_config.usb_address = tmp;
} else {
- command_print(CMD, "Need exactly one argument for jlink config "
- "usb.");
+ command_print(CMD, "Need exactly one argument for jlink config usb");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
command_print(CMD, "Reading configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) {
command_print(CMD, "Target power supply is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
} else if (!strcmp(CMD_ARGV[0], "off")) {
enable = false;
} else {
- command_print(CMD, "Invalid argument: %s.", CMD_ARGV[0]);
+ command_print(CMD, "Invalid argument: %s", CMD_ARGV[0]);
return ERROR_FAIL;
}
tmp_config.target_power = enable;
} else {
command_print(CMD, "Need exactly one argument for jlink config "
- "targetpower.");
+ "targetpower");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
command_print(CMD, "Reading configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) {
command_print(CMD, "Ethernet connectivity is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
} else if (CMD_ARGC == 1) {
str = CMD_ARGV[0];
- if ((strlen(str) != 17) || (str[2] != ':' || str[5] != ':' || \
+ if ((strlen(str) != 17) || (str[2] != ':' || str[5] != ':' ||
str[8] != ':' || str[11] != ':' || str[14] != ':')) {
- command_print(CMD, "Invalid MAC address format.");
+ command_print(CMD, "Invalid MAC address format");
return ERROR_COMMAND_SYNTAX_ERROR;
}
}
if (!(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5])) {
- command_print(CMD, "Invalid MAC address: zero address.");
+ command_print(CMD, "Invalid MAC address: zero address");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!(0x01 & addr[0])) {
- command_print(CMD, "Invalid MAC address: multicast address.");
+ command_print(CMD, "Invalid MAC address: multicast address");
return ERROR_COMMAND_SYNTAX_ERROR;
}
memcpy(tmp_config.mac_address, addr, sizeof(addr));
} else {
- command_print(CMD, "Need exactly one argument for jlink config "
- " mac.");
+ command_print(CMD, "Need exactly one argument for jlink config mac");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
command_print(CMD, "Reading configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_ETHERNET)) {
command_print(CMD, "Ethernet connectivity is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
command_print(CMD, "Reading configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_WRITE_CONFIG)) {
command_print(CMD, "Writing configuration is not supported by the "
- "device.");
+ "device");
return ERROR_OK;
}
if (!memcmp(&config, &tmp_config, sizeof(struct device_config))) {
command_print(CMD, "Operation not performed due to no changes in "
- "the configuration.");
+ "the configuration");
return ERROR_OK;
}
ret = jaylink_write_raw_config(devh, (const uint8_t *)&tmp_config);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_write_raw_config() failed: %s.",
+ LOG_ERROR("jaylink_write_raw_config() failed: %s",
jaylink_strerror(ret));
return ERROR_FAIL;
}
if (!read_device_config(&config)) {
- LOG_ERROR("Failed to read device configuration for verification.");
+ LOG_ERROR("Failed to read device configuration for verification");
return ERROR_FAIL;
}
if (memcmp(&config, &tmp_config, sizeof(struct device_config))) {
LOG_ERROR("Verification of device configuration failed. Please check "
- "your device.");
+ "your device");
return ERROR_FAIL;
}
memcpy(&tmp_config, &config, sizeof(struct device_config));
command_print(CMD, "The new device configuration applies after power "
- "cycling the J-Link device.");
+ "cycling the J-Link device");
return ERROR_OK;
}
COMMAND_HANDLER(jlink_handle_config_command)
{
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_READ_CONFIG)) {
- command_print(CMD, "Device doesn't support reading configuration.");
+ command_print(CMD, "Device doesn't support reading configuration");
return ERROR_OK;
}
return ERROR_COMMAND_SYNTAX_ERROR;
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_EMUCOM)) {
- LOG_ERROR("Device does not support EMUCOM.");
+ LOG_ERROR("Device does not support EMUCOM");
return ERROR_FAIL;
}
tmp = strlen(CMD_ARGV[1]);
if (tmp % 2 != 0) {
- LOG_ERROR("Data must be encoded as hexadecimal pairs.");
+ LOG_ERROR("Data must be encoded as hexadecimal pairs");
return ERROR_COMMAND_ARGUMENT_INVALID;
}
buf = malloc(tmp / 2);
if (!buf) {
- LOG_ERROR("Failed to allocate buffer.");
+ LOG_ERROR("Failed to allocate buffer");
return ERROR_FAIL;
}
dummy = unhexify(buf, CMD_ARGV[1], tmp / 2);
if (dummy != (tmp / 2)) {
- LOG_ERROR("Data must be encoded as hexadecimal pairs.");
+ LOG_ERROR("Data must be encoded as hexadecimal pairs");
free(buf);
return ERROR_COMMAND_ARGUMENT_INVALID;
}
free(buf);
if (ret == JAYLINK_ERR_DEV_NOT_SUPPORTED) {
- LOG_ERROR("Channel not supported by the device.");
+ LOG_ERROR("Channel not supported by the device");
return ERROR_FAIL;
} else if (ret != JAYLINK_OK) {
- LOG_ERROR("Failed to write to channel: %s.", jaylink_strerror(ret));
+ LOG_ERROR("Failed to write to channel: %s", jaylink_strerror(ret));
return ERROR_FAIL;
}
if (length != (tmp / 2))
- LOG_WARNING("Only %" PRIu32 " bytes written to the channel.", length);
+ LOG_WARNING("Only %" PRIu32 " bytes written to the channel", length);
return ERROR_OK;
}
return ERROR_COMMAND_SYNTAX_ERROR;
if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_EMUCOM)) {
- LOG_ERROR("Device does not support EMUCOM.");
+ LOG_ERROR("Device does not support EMUCOM");
return ERROR_FAIL;
}
buf = malloc(length * 3 + 1);
if (!buf) {
- LOG_ERROR("Failed to allocate buffer.");
+ LOG_ERROR("Failed to allocate buffer");
return ERROR_FAIL;
}
ret = jaylink_emucom_read(devh, channel, buf, &length);
if (ret == JAYLINK_ERR_DEV_NOT_SUPPORTED) {
- LOG_ERROR("Channel is not supported by the device.");
+ LOG_ERROR("Channel is not supported by the device");
free(buf);
return ERROR_FAIL;
} else if (ret == JAYLINK_ERR_DEV_NOT_AVAILABLE) {
LOG_ERROR("Channel is not available for the requested amount of data. "
- "%" PRIu32 " bytes are avilable.", length);
+ "%" PRIu32 " bytes are available", length);
free(buf);
return ERROR_FAIL;
} else if (ret != JAYLINK_OK) {
- LOG_ERROR("Failed to read from channel: %s.", jaylink_strerror(ret));
+ LOG_ERROR("Failed to read from channel: %s", jaylink_strerror(ret));
free(buf);
return ERROR_FAIL;
}
tmp = hexify((char *)buf + length, buf, length, 2 * length + 1);
if (tmp != 2 * length) {
- LOG_ERROR("Failed to convert data into hexadecimal string.");
+ LOG_ERROR("Failed to convert data into hexadecimal string");
free(buf);
return ERROR_FAIL;
}
.help = "set the USB address of the device that should be used",
.usage = "<0-3>"
},
- {
- .name = "serial",
- .handler = &jlink_serial_command,
- .mode = COMMAND_CONFIG,
- .help = "set the serial number of the device that should be used",
- .usage = "<serial number>"
- },
{
.name = "config",
.handler = &jlink_handle_config_command,
static void jlink_swd_write_reg(uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
{
- assert(!(cmd & SWD_CMD_RnW));
+ assert(!(cmd & SWD_CMD_RNW));
jlink_swd_queue_cmd(cmd, NULL, value, ap_delay_clk);
}
static void jlink_swd_read_reg(uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
{
- assert(cmd & SWD_CMD_RnW);
+ assert(cmd & SWD_CMD_RNW);
jlink_swd_queue_cmd(cmd, value, 0, ap_delay_clk);
}
tap_length, jtag_command_version);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_jtag_io() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_jtag_io() failed: %s", jaylink_strerror(ret));
jlink_tap_init();
return ERROR_JTAG_QUEUE_FAILED;
}
buf_set_buf(tdo_buffer, p->first, p->buffer,
p->buffer_offset, p->length);
- LOG_DEBUG_IO("Pending scan result, length = %d.", p->length);
+ LOG_DEBUG_IO("Pending scan result, length = %d", p->length);
}
jlink_tap_init();
s = swd_seq_jtag_to_swd;
s_len = swd_seq_jtag_to_swd_len;
break;
+ case JTAG_TO_DORMANT:
+ LOG_DEBUG("JTAG-to-DORMANT");
+ s = swd_seq_jtag_to_dormant;
+ s_len = swd_seq_jtag_to_dormant_len;
+ break;
case SWD_TO_JTAG:
LOG_DEBUG("SWD-to-JTAG");
s = swd_seq_swd_to_jtag;
s_len = swd_seq_swd_to_jtag_len;
break;
+ case SWD_TO_DORMANT:
+ LOG_DEBUG("SWD-to-DORMANT");
+ s = swd_seq_swd_to_dormant;
+ s_len = swd_seq_swd_to_dormant_len;
+ break;
+ case DORMANT_TO_SWD:
+ LOG_DEBUG("DORMANT-to-SWD");
+ s = swd_seq_dormant_to_swd;
+ s_len = swd_seq_dormant_to_swd_len;
+ break;
+ case DORMANT_TO_JTAG:
+ LOG_DEBUG("DORMANT-to-JTAG");
+ s = swd_seq_dormant_to_jtag;
+ s_len = swd_seq_dormant_to_jtag_len;
+ break;
default:
- LOG_ERROR("Sequence %d not supported.", seq);
+ LOG_ERROR("Sequence %d not supported", seq);
return ERROR_FAIL;
}
int i;
int ret;
- LOG_DEBUG("Executing %d queued transactions.", pending_scan_results_length);
+ LOG_DEBUG("Executing %d queued transactions", pending_scan_results_length);
if (queued_retval != ERROR_OK) {
- LOG_DEBUG("Skipping due to previous errors: %d.", queued_retval);
+ LOG_DEBUG("Skipping due to previous errors: %d", queued_retval);
goto skip;
}
ret = jaylink_swd_io(devh, tms_buffer, tdi_buffer, tdo_buffer, tap_length);
if (ret != JAYLINK_OK) {
- LOG_ERROR("jaylink_swd_io() failed: %s.", jaylink_strerror(ret));
+ LOG_ERROR("jaylink_swd_io() failed: %s", jaylink_strerror(ret));
goto skip;
}
int parity = buf_get_u32(tdo_buffer, 3 + 32 + pending_scan_results_buffer[i].first, 1);
if (parity != parity_u32(data)) {
- LOG_ERROR("SWD: Read data parity mismatch.");
+ LOG_ERROR("SWD: Read data parity mismatch");
queued_retval = ERROR_FAIL;
goto skip;
}
pending_scan_results_buffer[pending_scan_results_length].first = tap_length;
- if (cmd & SWD_CMD_RnW) {
+ if (cmd & SWD_CMD_RNW) {
/* Queue a read transaction. */
pending_scan_results_buffer[pending_scan_results_length].length = 32;
pending_scan_results_buffer[pending_scan_results_length].buffer = dst;
pending_scan_results_length++;
/* Insert idle cycles after AP accesses to avoid WAIT. */
- if (cmd & SWD_CMD_APnDP)
+ if (cmd & SWD_CMD_APNDP)
jlink_queue_data_out(NULL, ap_delay_clk);
}
static const char * const jlink_transports[] = { "jtag", "swd", NULL };
-struct jtag_interface jlink_interface = {
+static struct jtag_interface jlink_interface = {
+ .execute_queue = &jlink_execute_queue,
+};
+
+struct adapter_driver jlink_adapter_driver = {
.name = "jlink",
- .commands = jlink_command_handlers,
.transports = jlink_transports,
- .swd = &jlink_swd,
- .execute_queue = &jlink_execute_queue,
- .speed = &jlink_speed,
- .speed_div = &jlink_speed_div,
- .khz = &jlink_khz,
+ .commands = jlink_command_handlers,
+
.init = &jlink_init,
.quit = &jlink_quit,
+ .reset = &jlink_reset_safe,
+ .speed = &jlink_speed,
+ .khz = &jlink_khz,
+ .speed_div = &jlink_speed_div,
.config_trace = &config_trace,
.poll_trace = &poll_trace,
+
+ .jtag_ops = &jlink_interface,
+ .swd_ops = &jlink_swd,
};
projects / fw / openocd / blobdiff