diff options
| -rw-r--r-- | doc/openocd.texi | 89 | ||||
| -rw-r--r-- | src/jtag/drivers/linuxgpiod.c | 636 | ||||
| -rw-r--r-- | src/jtag/startup.tcl | 127 | ||||
| -rw-r--r-- | tcl/interface/dln-2-gpiod.cfg | 15 | ||||
| -rw-r--r-- | testing/test-linuxgpiod-deprecated-commands.cfg | 105 |
5 files changed, 383 insertions, 589 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 27a5522..9a5ab9a 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -3401,87 +3401,14 @@ See @file{interface/beaglebone-swd-native.cfg} for a sample configuration file. @deffn {Interface Driver} {linuxgpiod} -Linux provides userspace access to GPIO through libgpiod since Linux kernel version v4.6. -The driver emulates either JTAG or SWD transport through bitbanging. - -See @file{interface/dln-2-gpiod.cfg} for a sample config. - -@deffn {Config Command} {linuxgpiod gpiochip} @var{chip} -Set the GPIO chip number for all GPIOs used by linuxgpiod. If GPIOs use -different GPIO chips then the individual GPIO configuration commands (i.e., not -@command{linuxgpiod jtag_nums} or @command{linuxgpiod swd_nums}) can be used to -set chip numbers independently for each GPIO. -@end deffn - -@deffn {Config Command} {linuxgpiod jtag_nums} @var{tck} @var{tms} @var{tdi} @var{tdo} -Set JTAG transport GPIO numbers for TCK, TMS, TDI, and TDO (in that order). Must -be specified to enable JTAG transport. These pins can also be specified -individually. -@end deffn - -@deffn {Config Command} {linuxgpiod tck_num} [@var{chip}] @var{tck} -Set TCK GPIO number, and optionally TCK chip number. Must be specified to enable -JTAG transport. Can also be specified using the configuration command -@command{linuxgpiod jtag_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod tms_num} [@var{chip}] @var{tms} -Set TMS GPIO number, and optionally TMS chip number. Must be specified to enable -JTAG transport. Can also be specified using the configuration command -@command{linuxgpiod jtag_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod tdo_num} [@var{chip}] @var{tdo} -Set TDO GPIO number, and optionally TDO chip number. Must be specified to enable -JTAG transport. Can also be specified using the configuration command -@command{linuxgpiod jtag_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod tdi_num} [@var{chip}] @var{tdi} -Set TDI GPIO number, and optionally TDI chip number. Must be specified to enable -JTAG transport. Can also be specified using the configuration command -@command{linuxgpiod jtag_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod trst_num} [@var{chip}] @var{trst} -Set TRST GPIO number, and optionally TRST chip number. Must be specified to -enable TRST. -@end deffn - -@deffn {Config Command} {linuxgpiod swd_nums} @var{swclk} @var{swdio} -Set SWD transport GPIO numbers for SWCLK and SWDIO (in that order). Must be -specified to enable SWD transport. These pins can also be specified -individually. -@end deffn - -@deffn {Config Command} {linuxgpiod swclk_num} [@var{chip}] @var{swclk} -Set SWCLK GPIO number, and optionally SWCLK chip number. Must be specified to -enable SWD transport. Can also be specified using the configuration command -@command{linuxgpiod swd_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod swdio_num} [@var{chip}] @var{swdio} -Set SWDIO GPIO number, and optionally SWDIO chip number. Must be specified to -enable SWD transport. Can also be specified using the configuration command -@command{linuxgpiod swd_nums}. -@end deffn - -@deffn {Config Command} {linuxgpiod swdio_dir_num} [@var{chip}] @var{swdio_dir} -Set SWDIO direction control GPIO number, and optionally SWDIO direction control -chip number. If specified, this GPIO can be used to control the direction of an -external buffer connected to the SWDIO GPIO (set=output mode, clear=input mode). -@end deffn - -@deffn {Config Command} {linuxgpiod srst_num} [@var{chip}] @var{srst} -Set SRST GPIO number, and optionally SRST chip number. Must be specified to -enable SRST. -@end deffn - -@deffn {Config Command} {linuxgpiod led_num} [@var{chip}] @var{led} -Set activity LED GPIO number, and optionally activity LED chip number. If not -specified an activity LED is not enabled. -@end deffn - +Linux provides userspace access to GPIO through libgpiod since Linux kernel +version v4.6. The driver emulates either JTAG or SWD transport through +bitbanging. There are no driver-specific commands, all GPIO configuration is +handled by the generic command @ref{adapter gpio, @command{adapter gpio}}. This +driver supports the resistor pull options provided by the @command{adapter gpio} +command but the underlying hardware may not be able to support them. + +See @file{interface/dln-2-gpiod.cfg} for a sample configuration file. @end deffn diff --git a/src/jtag/drivers/linuxgpiod.c b/src/jtag/drivers/linuxgpiod.c index 0e96d82..e8e93a5 100644 --- a/src/jtag/drivers/linuxgpiod.c +++ b/src/jtag/drivers/linuxgpiod.c @@ -14,67 +14,41 @@ #endif #include <gpiod.h> +#include <jtag/adapter.h> #include <jtag/interface.h> #include <transport/transport.h> #include "bitbang.h" -/* gpio numbers for each gpio. Negative values are invalid */ -static int tck_gpio = -1; -static int tms_gpio = -1; -static int tdi_gpio = -1; -static int tdo_gpio = -1; -static int trst_gpio = -1; -static int srst_gpio = -1; -static int swclk_gpio = -1; -static int swdio_gpio = -1; -static int swdio_dir_gpio = -1; -static int led_gpio = -1; -static int gpiochip = -1; -static int tck_gpiochip = -1; -static int tms_gpiochip = -1; -static int tdi_gpiochip = -1; -static int tdo_gpiochip = -1; -static int trst_gpiochip = -1; -static int srst_gpiochip = -1; -static int swclk_gpiochip = -1; -static int swdio_gpiochip = -1; -static int swdio_dir_gpiochip = -1; -static int led_gpiochip = -1; - -static struct gpiod_chip *gpiod_chip_tck; -static struct gpiod_chip *gpiod_chip_tms; -static struct gpiod_chip *gpiod_chip_tdi; -static struct gpiod_chip *gpiod_chip_tdo; -static struct gpiod_chip *gpiod_chip_trst; -static struct gpiod_chip *gpiod_chip_srst; -static struct gpiod_chip *gpiod_chip_swclk; -static struct gpiod_chip *gpiod_chip_swdio; -static struct gpiod_chip *gpiod_chip_swdio_dir; -static struct gpiod_chip *gpiod_chip_led; - -static struct gpiod_line *gpiod_tck; -static struct gpiod_line *gpiod_tms; -static struct gpiod_line *gpiod_tdi; -static struct gpiod_line *gpiod_tdo; -static struct gpiod_line *gpiod_trst; -static struct gpiod_line *gpiod_swclk; -static struct gpiod_line *gpiod_swdio; -static struct gpiod_line *gpiod_swdio_dir; -static struct gpiod_line *gpiod_srst; -static struct gpiod_line *gpiod_led; +static struct gpiod_chip *gpiod_chip[ADAPTER_GPIO_IDX_NUM] = {}; +static struct gpiod_line *gpiod_line[ADAPTER_GPIO_IDX_NUM] = {}; static int last_swclk; static int last_swdio; static bool last_stored; static bool swdio_input; -static bool swdio_dir_is_active_high = true; + +static const struct adapter_gpio_config *adapter_gpio_config; + +/* + * Helper function to determine if gpio config is valid + * + * Assume here that there will be less than 10000 gpios per gpiochip, and less + * than 1000 gpiochips. + */ +static bool is_gpio_config_valid(enum adapter_gpio_config_index idx) +{ + return adapter_gpio_config[idx].chip_num >= 0 + && adapter_gpio_config[idx].chip_num < 1000 + && adapter_gpio_config[idx].gpio_num >= 0 + && adapter_gpio_config[idx].gpio_num < 10000; +} /* Bitbang interface read of TDO */ static bb_value_t linuxgpiod_read(void) { int retval; - retval = gpiod_line_get_value(gpiod_tdo); + retval = gpiod_line_get_value(gpiod_line[ADAPTER_GPIO_IDX_TDO]); if (retval < 0) { LOG_WARNING("reading tdo failed"); return 0; @@ -107,20 +81,20 @@ static int linuxgpiod_write(int tck, int tms, int tdi) } if (tdi != last_tdi) { - retval = gpiod_line_set_value(gpiod_tdi, tdi); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_TDI], tdi); if (retval < 0) LOG_WARNING("writing tdi failed"); } if (tms != last_tms) { - retval = gpiod_line_set_value(gpiod_tms, tms); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_TMS], tms); if (retval < 0) LOG_WARNING("writing tms failed"); } /* write clk last */ if (tck != last_tck) { - retval = gpiod_line_set_value(gpiod_tck, tck); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_TCK], tck); if (retval < 0) LOG_WARNING("writing tck failed"); } @@ -136,7 +110,7 @@ static int linuxgpiod_swdio_read(void) { int retval; - retval = gpiod_line_get_value(gpiod_swdio); + retval = gpiod_line_get_value(gpiod_line[ADAPTER_GPIO_IDX_SWDIO]); if (retval < 0) { LOG_WARNING("Fail read swdio"); return 0; @@ -154,23 +128,23 @@ static void linuxgpiod_swdio_drive(bool is_output) * https://stackoverflow.com/questions/58735140/ * this would change in future libgpiod */ - gpiod_line_release(gpiod_swdio); + gpiod_line_release(gpiod_line[ADAPTER_GPIO_IDX_SWDIO]); if (is_output) { - if (gpiod_swdio_dir) { - retval = gpiod_line_set_value(gpiod_swdio_dir, swdio_dir_is_active_high ? 1 : 0); + if (gpiod_line[ADAPTER_GPIO_IDX_SWDIO_DIR]) { + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_SWDIO_DIR], 1); if (retval < 0) LOG_WARNING("Fail set swdio_dir"); } - retval = gpiod_line_request_output(gpiod_swdio, "OpenOCD", 1); + retval = gpiod_line_request_output(gpiod_line[ADAPTER_GPIO_IDX_SWDIO], "OpenOCD", 1); if (retval < 0) LOG_WARNING("Fail request_output line swdio"); } else { - retval = gpiod_line_request_input(gpiod_swdio, "OpenOCD"); + retval = gpiod_line_request_input(gpiod_line[ADAPTER_GPIO_IDX_SWDIO], "OpenOCD"); if (retval < 0) LOG_WARNING("Fail request_input line swdio"); - if (gpiod_swdio_dir) { - retval = gpiod_line_set_value(gpiod_swdio_dir, swdio_dir_is_active_high ? 0 : 1); + if (gpiod_line[ADAPTER_GPIO_IDX_SWDIO_DIR]) { + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_SWDIO_DIR], 0); if (retval < 0) LOG_WARNING("Fail set swdio_dir"); } @@ -186,7 +160,7 @@ static int linuxgpiod_swd_write(int swclk, int swdio) if (!swdio_input) { if (!last_stored || (swdio != last_swdio)) { - retval = gpiod_line_set_value(gpiod_swdio, swdio); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_SWDIO], swdio); if (retval < 0) LOG_WARNING("Fail set swdio"); } @@ -194,7 +168,7 @@ static int linuxgpiod_swd_write(int swclk, int swdio) /* write swclk last */ if (!last_stored || (swclk != last_swclk)) { - retval = gpiod_line_set_value(gpiod_swclk, swclk); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_SWCLK], swclk); if (retval < 0) LOG_WARNING("Fail set swclk"); } @@ -210,10 +184,10 @@ static int linuxgpiod_blink(int on) { int retval; - if (!gpiod_led) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_LED)) return ERROR_OK; - retval = gpiod_line_set_value(gpiod_led, on); + retval = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_LED], on); if (retval < 0) LOG_WARNING("Fail set led"); return retval; @@ -239,16 +213,18 @@ static int linuxgpiod_reset(int trst, int srst) LOG_DEBUG("linuxgpiod_reset"); - /* assume active low */ - if (gpiod_srst) { - retval1 = gpiod_line_set_value(gpiod_srst, srst ? 0 : 1); + /* + * active low behaviour handled by "adaptor gpio" command and + * GPIOD_LINE_REQUEST_FLAG_ACTIVE_LOW flag when requesting the line. + */ + if (gpiod_line[ADAPTER_GPIO_IDX_SRST]) { + retval1 = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_SRST], srst); if (retval1 < 0) LOG_WARNING("set srst value failed"); } - /* assume active low */ - if (gpiod_trst) { - retval2 = gpiod_line_set_value(gpiod_trst, trst ? 0 : 1); + if (gpiod_line[ADAPTER_GPIO_IDX_TRST]) { + retval2 = gpiod_line_set_value(gpiod_line[ADAPTER_GPIO_IDX_TRST], trst); if (retval2 < 0) LOG_WARNING("set trst value failed"); } @@ -256,109 +232,134 @@ static int linuxgpiod_reset(int trst, int srst) return ((retval1 < 0) || (retval2 < 0)) ? ERROR_FAIL : ERROR_OK; } -/* - * Helper function to determine if gpio number is valid - * - * Assume here that there will be less than 10000 gpios per gpiochip - */ -static bool is_gpio_valid(int gpio) -{ - return gpio >= 0 && gpio < 10000; -} - static bool linuxgpiod_jtag_mode_possible(void) { - if (!is_gpio_valid(tck_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_TCK)) return false; - if (!is_gpio_valid(tms_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_TMS)) return false; - if (!is_gpio_valid(tdi_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_TDI)) return false; - if (!is_gpio_valid(tdo_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_TDO)) return false; return true; } static bool linuxgpiod_swd_mode_possible(void) { - if (!is_gpio_valid(swclk_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_SWCLK)) return false; - if (!is_gpio_valid(swdio_gpio)) + if (!is_gpio_config_valid(ADAPTER_GPIO_IDX_SWDIO)) return false; return true; } -static inline void helper_release(struct gpiod_line *line, struct gpiod_chip *chip) +static inline void helper_release(enum adapter_gpio_config_index idx) { - if (line) - gpiod_line_release(line); - if (chip) - gpiod_chip_close(chip); + if (gpiod_line[idx]) { + gpiod_line_release(gpiod_line[idx]); + gpiod_line[idx] = NULL; + } + if (gpiod_chip[idx]) { + gpiod_chip_close(gpiod_chip[idx]); + gpiod_chip[idx] = NULL; + } } static int linuxgpiod_quit(void) { - helper_release(gpiod_led, gpiod_chip_led); - helper_release(gpiod_srst, gpiod_chip_srst); - helper_release(gpiod_swdio, gpiod_chip_swdio); - helper_release(gpiod_swdio_dir, gpiod_chip_swdio_dir); - helper_release(gpiod_swclk, gpiod_chip_swclk); - helper_release(gpiod_trst, gpiod_chip_trst); - helper_release(gpiod_tms, gpiod_chip_tms); - helper_release(gpiod_tck, gpiod_chip_tck); - helper_release(gpiod_tdi, gpiod_chip_tdi); - helper_release(gpiod_tdo, gpiod_chip_tdo); + LOG_DEBUG("linuxgpiod_quit"); + for (int i = 0; i < ADAPTER_GPIO_IDX_NUM; ++i) + helper_release(i); return ERROR_OK; } -static struct gpiod_line *helper_get_line(const char *label, - struct gpiod_chip *gpiod_chip, unsigned int offset, - int val, int dir, int flags) +int helper_get_line(enum adapter_gpio_config_index idx) { - struct gpiod_line *line; - int retval; + if (!is_gpio_config_valid(idx)) + return ERROR_OK; + + int dir = GPIOD_LINE_REQUEST_DIRECTION_INPUT, flags = 0, val = 0, retval; + + gpiod_chip[idx] = gpiod_chip_open_by_number(adapter_gpio_config[idx].chip_num); + if (!gpiod_chip[idx]) { + LOG_ERROR("Cannot open LinuxGPIOD chip %d for %s", adapter_gpio_config[idx].chip_num, + adapter_gpio_get_name(idx)); + return ERROR_JTAG_INIT_FAILED; + } + + gpiod_line[idx] = gpiod_chip_get_line(gpiod_chip[idx], adapter_gpio_config[idx].gpio_num); + if (!gpiod_line[idx]) { + LOG_ERROR("Error get line %s", adapter_gpio_get_name(idx)); + return ERROR_JTAG_INIT_FAILED; + } + + switch (adapter_gpio_config[idx].init_state) { + case ADAPTER_GPIO_INIT_STATE_INPUT: + dir = GPIOD_LINE_REQUEST_DIRECTION_INPUT; + break; + case ADAPTER_GPIO_INIT_STATE_INACTIVE: + dir = GPIOD_LINE_REQUEST_DIRECTION_OUTPUT; + val = 0; + break; + case ADAPTER_GPIO_INIT_STATE_ACTIVE: + dir = GPIOD_LINE_REQUEST_DIRECTION_OUTPUT; + val = 1; + break; + } + + switch (adapter_gpio_config[idx].drive) { + case ADAPTER_GPIO_DRIVE_MODE_PUSH_PULL: + break; + case ADAPTER_GPIO_DRIVE_MODE_OPEN_DRAIN: + flags |= GPIOD_LINE_REQUEST_FLAG_OPEN_DRAIN; + break; + case ADAPTER_GPIO_DRIVE_MODE_OPEN_SOURCE: + flags |= GPIOD_LINE_REQUEST_FLAG_OPEN_SOURCE; + break; + } - line = gpiod_chip_get_line(gpiod_chip, offset); - if (!line) { - LOG_ERROR("Error get line %s", label); - return NULL; + switch (adapter_gpio_config[idx].pull) { + case ADAPTER_GPIO_PULL_NONE: +#ifdef GPIOD_LINE_REQUEST_FLAG_BIAS_DISABLE + flags |= GPIOD_LINE_REQUEST_FLAG_BIAS_DISABLE; +#endif + break; + case ADAPTER_GPIO_PULL_UP: +#ifdef GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_UP + flags |= GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_UP; +#else + LOG_WARNING("linuxgpiod: ignoring request for pull-up on %s: not supported by gpiod v%s", + adapter_gpio_get_name(idx), gpiod_version_string()); +#endif + break; + case ADAPTER_GPIO_PULL_DOWN: +#ifdef GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_DOWN + flags |= GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_DOWN; +#else + LOG_WARNING("linuxgpiod: ignoring request for pull-down on %s: not supported by gpiod v%s", + adapter_gpio_get_name(idx), gpiod_version_string()); +#endif + break; } + if (adapter_gpio_config[idx].active_low) + flags |= GPIOD_LINE_REQUEST_FLAG_ACTIVE_LOW; + struct gpiod_line_request_config config = { .consumer = "OpenOCD", .request_type = dir, .flags = flags, }; - retval = gpiod_line_request(line, &config, val); + retval = gpiod_line_request(gpiod_line[idx], &config, val); if (retval < 0) { - LOG_ERROR("Error requesting gpio line %s", label); - return NULL; + LOG_ERROR("Error requesting gpio line %s", adapter_gpio_get_name(idx)); + return ERROR_JTAG_INIT_FAILED; } - return line; -} - -static struct gpiod_line *helper_get_input_line(const char *label, - struct gpiod_chip *gpiod_chip, unsigned int offset) -{ - return helper_get_line(label, gpiod_chip, offset, 0, - GPIOD_LINE_REQUEST_DIRECTION_INPUT, 0); -} - -static struct gpiod_line *helper_get_output_line(const char *label, - struct gpiod_chip *gpiod_chip, unsigned int offset, int val) -{ - return helper_get_line(label, gpiod_chip, offset, val, - GPIOD_LINE_REQUEST_DIRECTION_OUTPUT, 0); -} - -static struct gpiod_line *helper_get_open_drain_output_line(const char *label, - struct gpiod_chip *gpiod_chip, unsigned int offset, int val) -{ - return helper_get_line(label, gpiod_chip, offset, val, - GPIOD_LINE_REQUEST_DIRECTION_OUTPUT, GPIOD_LINE_REQUEST_FLAG_OPEN_DRAIN); + return ERROR_OK; } static int linuxgpiod_init(void) @@ -366,11 +367,11 @@ static int linuxgpiod_init(void) LOG_INFO("Linux GPIOD JTAG/SWD bitbang driver"); bitbang_interface = &linuxgpiod_bitbang; + adapter_gpio_config = adapter_gpio_get_config(); /* - * Configure TDO as an input, and TDI, TCK, TMS, TRST, SRST - * as outputs. Drive TDI and TCK low, and TMS/TRST/SRST high. - * For SWD, SWCLK and SWDIO are configures as output high. + * Configure JTAG/SWD signals. Default directions and initial states are handled + * by adapter.c and "adapter gpio" command. */ if (transport_is_jtag()) { @@ -379,129 +380,44 @@ static int linuxgpiod_init(void) goto out_error; } - gpiod_chip_tdo = gpiod_chip_open_by_number(tdo_gpiochip); - if (!gpiod_chip_tdo) { - LOG_ERROR("Cannot open LinuxGPIOD tdo_gpiochip %d", tdo_gpiochip); - goto out_error; - } - gpiod_chip_tdi = gpiod_chip_open_by_number(tdi_gpiochip); - if (!gpiod_chip_tdi) { - LOG_ERROR("Cannot open LinuxGPIOD tdi_gpiochip %d", tdi_gpiochip); - goto out_error; - } - gpiod_chip_tck = gpiod_chip_open_by_number(tck_gpiochip); - if (!gpiod_chip_tck) { - LOG_ERROR("Cannot open LinuxGPIOD tck_gpiochip %d", tck_gpiochip); - goto out_error; - } - gpiod_chip_tms = gpiod_chip_open_by_number(tms_gpiochip); - if (!gpiod_chip_tms) { - LOG_ERROR("Cannot open LinuxGPIOD tms_gpiochip %d", tms_gpiochip); - goto out_error; - } - - gpiod_tdo = helper_get_input_line("tdo", gpiod_chip_tdo, tdo_gpio); - if (!gpiod_tdo) - goto out_error; - - gpiod_tdi = helper_get_output_line("tdi", gpiod_chip_tdi, tdi_gpio, 0); - if (!gpiod_tdi) - goto out_error; - - gpiod_tck = helper_get_output_line("tck", gpiod_chip_tck, tck_gpio, 0); - if (!gpiod_tck) - goto out_error; - - gpiod_tms = helper_get_output_line("tms", gpiod_chip_tms, tms_gpio, 1); - if (!gpiod_tms) - goto out_error; - - if (is_gpio_valid(trst_gpio)) { - gpiod_chip_trst = gpiod_chip_open_by_number(trst_gpiochip); - if (!gpiod_chip_trst) { - LOG_ERROR("Cannot open LinuxGPIOD trst_gpiochip %d", trst_gpiochip); + if (helper_get_line(ADAPTER_GPIO_IDX_TDO) != ERROR_OK || + helper_get_line(ADAPTER_GPIO_IDX_TDI) != ERROR_OK || + helper_get_line(ADAPTER_GPIO_IDX_TCK) != ERROR_OK || + helper_get_line(ADAPTER_GPIO_IDX_TMS) != ERROR_OK || + helper_get_line(ADAPTER_GPIO_IDX_TRST) != ERROR_OK) goto out_error; - } - - if (jtag_get_reset_config() & RESET_TRST_OPEN_DRAIN) - gpiod_trst = helper_get_open_drain_output_line("trst", gpiod_chip_trst, trst_gpio, 1); - else - gpiod_trst = helper_get_output_line("trst", gpiod_chip_trst, trst_gpio, 1); - - if (!gpiod_trst) - goto out_error; - } } if (transport_is_swd()) { + int retval1, retval2; if (!linuxgpiod_swd_mode_possible()) { LOG_ERROR("Require swclk and swdio gpio for SWD mode"); goto out_error; } - gpiod_chip_swclk = gpiod_chip_open_by_number(swclk_gpiochip); - if (!gpiod_chip_swclk) { - LOG_ERROR("Cannot open LinuxGPIOD swclk_gpiochip %d", swclk_gpiochip); - goto out_error; + /* + * swdio and its buffer should be initialized in the order that prevents + * two outputs from being connected together. This will occur if the + * swdio GPIO is configured as an output while the external buffer is + * configured to send the swdio signal from the target to the GPIO. + */ + if (adapter_gpio_config[ADAPTER_GPIO_IDX_SWDIO].init_state == ADAPTER_GPIO_INIT_STATE_INPUT) { + retval1 = helper_get_line(ADAPTER_GPIO_IDX_SWDIO); + retval2 = helper_get_line(ADAPTER_GPIO_IDX_SWDIO_DIR); + } else { + retval1 = helper_get_line(ADAPTER_GPIO_IDX_SWDIO_DIR); + retval2 = helper_get_line(ADAPTER_GPIO_IDX_SWDIO); } - gpiod_chip_swdio = gpiod_chip_open_by_number(swdio_gpiochip); - if (!gpiod_chip_swdio) { - LOG_ERROR("Cannot open LinuxGPIOD swdio_gpiochip %d", swdio_gpiochip); + if (retval1 != ERROR_OK || retval2 != ERROR_OK) goto out_error; - } - - if (is_gpio_valid(swdio_dir_gpio)) { - gpiod_chip_swdio_dir = gpiod_chip_open_by_number(swdio_dir_gpiochip); - if (!gpiod_chip_swdio_dir) { - LOG_ERROR("Cannot open LinuxGPIOD swdio_dir_gpiochip %d", swdio_dir_gpiochip); - goto out_error; - } - } - gpiod_swclk = helper_get_output_line("swclk", gpiod_chip_swclk, swclk_gpio, 1); - if (!gpiod_swclk) - goto out_error; - - /* Set buffer direction before making SWDIO an output */ - if (is_gpio_valid(swdio_dir_gpio)) { - gpiod_swdio_dir = helper_get_output_line("swdio_dir", gpiod_chip_swdio_dir, swdio_dir_gpio, - swdio_dir_is_active_high ? 1 : 0); - if (!gpiod_swdio_dir) - goto out_error; - } - - gpiod_swdio = helper_get_output_line("swdio", gpiod_chip_swdio, swdio_gpio, 1); - if (!gpiod_swdio) + if (helper_get_line(ADAPTER_GPIO_IDX_SWCLK) != ERROR_OK) goto out_error; } - if (is_gpio_valid(srst_gpio)) { - gpiod_chip_srst = gpiod_chip_open_by_number(srst_gpiochip); - if (!gpiod_chip_srst) { - LOG_ERROR("Cannot open LinuxGPIOD srst_gpiochip %d", srst_gpiochip); - goto out_error; - } - - if (jtag_get_reset_config() & RESET_SRST_PUSH_PULL) - gpiod_srst = helper_get_output_line("srst", gpiod_chip_srst, srst_gpio, 1); - else - gpiod_srst = helper_get_open_drain_output_line("srst", gpiod_chip_srst, srst_gpio, 1); - - if (!gpiod_srst) - goto out_error; - } - - if (is_gpio_valid(led_gpio)) { - gpiod_chip_led = gpiod_chip_open_by_number(led_gpiochip); - if (!gpiod_chip_led) { - LOG_ERROR("Cannot open LinuxGPIOD led_gpiochip %d", led_gpiochip); - goto out_error; - } - - gpiod_led = helper_get_output_line("led", gpiod_chip_led, led_gpio, 0); - if (!gpiod_led) + if (helper_get_line(ADAPTER_GPIO_IDX_SRST) != ERROR_OK || + helper_get_line(ADAPTER_GPIO_IDX_LED) != ERROR_OK) goto out_error; - } return ERROR_OK; @@ -511,241 +427,6 @@ out_error: return ERROR_JTAG_INIT_FAILED; } -COMMAND_HELPER(linuxgpiod_helper_gpionum, const char *name, int *chip, int *line) -{ - int i = 0; - if (CMD_ARGC > 2) - return ERROR_COMMAND_SYNTAX_ERROR; - if (CMD_ARGC == 2) { - COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], *chip); - i = 1; - } - if (CMD_ARGC > 0) - COMMAND_PARSE_NUMBER(int, CMD_ARGV[i], *line); - command_print(CMD, "LinuxGPIOD %s: chip = %d, num = %d", name, *chip, *line); - return ERROR_OK; -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionums) -{ - if (CMD_ARGC == 4) { - COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], tck_gpio); - COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], tms_gpio); - COMMAND_PARSE_NUMBER(int, CMD_ARGV[2], tdi_gpio); - COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], tdo_gpio); - } else if (CMD_ARGC != 0) { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - command_print(CMD, - "LinuxGPIOD nums: tck = %d, tms = %d, tdi = %d, tdo = %d", - tck_gpio, tms_gpio, tdi_gpio, tdo_gpio); - - return ERROR_OK; -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_tck) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "tck", &tck_gpiochip, - &tck_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_tms) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "tms", &tms_gpiochip, - &tms_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_tdo) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "tdo", &tdo_gpiochip, - &tdo_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_tdi) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "tdi", &tdi_gpiochip, - &tdi_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_srst) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "srst", &srst_gpiochip, - &srst_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_jtag_gpionum_trst) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "trst", &trst_gpiochip, - &trst_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_swd_gpionums) -{ - if (CMD_ARGC == 2) { - COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], swclk_gpio); - COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], swdio_gpio); - } else if (CMD_ARGC != 0) { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - command_print(CMD, - "LinuxGPIOD nums: swclk = %d, swdio = %d", - swclk_gpio, swdio_gpio); - - return ERROR_OK; -} - -COMMAND_HANDLER(linuxgpiod_handle_swd_gpionum_swclk) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "swclk", &swclk_gpiochip, - &swclk_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_swd_gpionum_swdio) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "swdio", &swdio_gpiochip, - &swdio_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_swd_gpionum_swdio_dir) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "swdio_dir", &swdio_dir_gpiochip, - &swdio_dir_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_gpionum_led) -{ - return CALL_COMMAND_HANDLER(linuxgpiod_helper_gpionum, "led", &led_gpiochip, - &led_gpio); -} - -COMMAND_HANDLER(linuxgpiod_handle_gpiochip) -{ - if (CMD_ARGC == 1) { - COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], gpiochip); - tck_gpiochip = gpiochip; - tms_gpiochip = gpiochip; - tdi_gpiochip = gpiochip; - tdo_gpiochip = gpiochip; - trst_gpiochip = gpiochip; - srst_gpiochip = gpiochip; - swclk_gpiochip = gpiochip; - swdio_gpiochip = gpiochip; - swdio_dir_gpiochip = gpiochip; - led_gpiochip = gpiochip; - } - - command_print(CMD, "LinuxGPIOD gpiochip = %d", gpiochip); - return ERROR_OK; -} - -static const struct command_registration linuxgpiod_subcommand_handlers[] = { - { - .name = "jtag_nums", - .handler = linuxgpiod_handle_jtag_gpionums, - .mode = COMMAND_CONFIG, - .help = "gpio numbers for tck, tms, tdi, tdo. (in that order)", - .usage = "tck tms tdi tdo", - }, - { - .name = "tck_num", - .handler = linuxgpiod_handle_jtag_gpionum_tck, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for tck.", - .usage = "[chip] tck", - }, - { - .name = "tms_num", - .handler = linuxgpiod_handle_jtag_gpionum_tms, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for tms.", - .usage = "[chip] tms", - }, - { - .name = "tdo_num", - .handler = linuxgpiod_handle_jtag_gpionum_tdo, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for tdo.", - .usage = "[chip] tdo", - }, - { - .name = "tdi_num", - .handler = linuxgpiod_handle_jtag_gpionum_tdi, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for tdi.", - .usage = "[chip] tdi", - }, - { - .name = "srst_num", - .handler = linuxgpiod_handle_jtag_gpionum_srst, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for srst.", - .usage = "[chip] srst", - }, - { - .name = "trst_num", - .handler = linuxgpiod_handle_jtag_gpionum_trst, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for trst.", - .usage = "[chip] trst", - }, - { - .name = "swd_nums", - .handler = linuxgpiod_handle_swd_gpionums, - .mode = COMMAND_CONFIG, - .help = "gpio numbers for swclk, swdio. (in that order)", - .usage = "swclk swdio", - }, - { - .name = "swclk_num", - .handler = linuxgpiod_handle_swd_gpionum_swclk, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for swclk.", - .usage = "[chip] swclk", - }, - { - .name = "swdio_num", - .handler = linuxgpiod_handle_swd_gpionum_swdio, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for swdio.", - .usage = "[chip] swdio", - }, - { - .name = "swdio_dir_num", - .handler = linuxgpiod_handle_swd_gpionum_swdio_dir, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for swdio_dir.", - .usage = "[chip] swdio_dir", - }, - { - .name = "led_num", - .handler = linuxgpiod_handle_gpionum_led, - .mode = COMMAND_CONFIG, - .help = "gpio chip number (optional) and gpio number for LED.", - .usage = "[chip] led", - }, - { - .name = "gpiochip", - .handler = linuxgpiod_handle_gpiochip, - .mode = COMMAND_CONFIG, - .help = "number of the gpiochip.", - .usage = "gpiochip", - }, - COMMAND_REGISTRATION_DONE -}; - -static const struct command_registration linuxgpiod_command_handlers[] = { - { - .name = "linuxgpiod", - .mode = COMMAND_ANY, - .help = "perform linuxgpiod management", - .chain = linuxgpiod_subcommand_handlers, - .usage = "", - }, - COMMAND_REGISTRATION_DONE -}; - static const char *const linuxgpiod_transport[] = { "swd", "jtag", NULL }; static struct jtag_interface linuxgpiod_interface = { @@ -756,7 +437,6 @@ static struct jtag_interface linuxgpiod_interface = { struct adapter_driver linuxgpiod_adapter_driver = { .name = "linuxgpiod", .transports = linuxgpiod_transport, - .commands = linuxgpiod_command_handlers, .init = linuxgpiod_init, .quit = linuxgpiod_quit, diff --git a/src/jtag/startup.tcl b/src/jtag/startup.tcl index a72775e..1a638a3 100644 --- a/src/jtag/startup.tcl +++ b/src/jtag/startup.tcl @@ -535,74 +535,72 @@ proc bcm2835gpio_peripheral_base args { lappend _telnet_autocomplete_skip linuxgpiod_jtag_nums proc linuxgpiod_jtag_nums args { - echo "DEPRECATED! use 'linuxgpiod jtag_nums' not 'linuxgpiod_jtag_nums'" - eval linuxgpiod jtag_nums $args + eval adapter_gpio_jtag_nums $args } lappend _telnet_autocomplete_skip linuxgpiod_tck_num proc linuxgpiod_tck_num args { - echo "DEPRECATED! use 'linuxgpiod tck_num' not 'linuxgpiod_tck_num'" - eval linuxgpiod tck_num $args + eval adapter_gpio_helper tck $args } lappend _telnet_autocomplete_skip linuxgpiod_tms_num proc linuxgpiod_tms_num args { - echo "DEPRECATED! use 'linuxgpiod tms_num' not 'linuxgpiod_tms_num'" - eval linuxgpiod tms_num $args + eval adapter_gpio_helper tms $args } lappend _telnet_autocomplete_skip linuxgpiod_tdo_num proc linuxgpiod_tdo_num args { - echo "DEPRECATED! use 'linuxgpiod tdo_num' not 'linuxgpiod_tdo_num'" - eval linuxgpiod tdo_num $args + eval adapter_gpio_helper tdo $args } lappend _telnet_autocomplete_skip linuxgpiod_tdi_num proc linuxgpiod_tdi_num args { - echo "DEPRECATED! use 'linuxgpiod tdi_num' not 'linuxgpiod_tdi_num'" - eval linuxgpiod tdi_num $args + eval adapter_gpio_helper tdi $args } lappend _telnet_autocomplete_skip linuxgpiod_srst_num proc linuxgpiod_srst_num args { - echo "DEPRECATED! use 'linuxgpiod srst_num' not 'linuxgpiod_srst_num'" - eval linuxgpiod srst_num $args + eval adapter_gpio_helper srst $args } lappend _telnet_autocomplete_skip linuxgpiod_trst_num proc linuxgpiod_trst_num args { - echo "DEPRECATED! use 'linuxgpiod trst_num' not 'linuxgpiod_trst_num'" - eval linuxgpiod trst_num $args + eval adapter_gpio_helper trst $args } lappend _telnet_autocomplete_skip linuxgpiod_swd_nums proc linuxgpiod_swd_nums args { - echo "DEPRECATED! use 'linuxgpiod swd_nums' not 'linuxgpiod_swd_nums'" - eval linuxgpiod swd_nums $args + eval adapter_gpio_swd_nums $args } lappend _telnet_autocomplete_skip linuxgpiod_swclk_num proc linuxgpiod_swclk_num args { - echo "DEPRECATED! use 'linuxgpiod swclk_num' not 'linuxgpiod_swclk_num'" - eval linuxgpiod swclk_num $args + eval adapter_gpio_helper swclk $args } lappend _telnet_autocomplete_skip linuxgpiod_swdio_num proc linuxgpiod_swdio_num args { - echo "DEPRECATED! use 'linuxgpiod swdio_num' not 'linuxgpiod_swdio_num'" - eval linuxgpiod swdio_num $args + eval adapter_gpio_helper swdio $args } lappend _telnet_autocomplete_skip linuxgpiod_led_num proc linuxgpiod_led_num args { - echo "DEPRECATED! use 'linuxgpiod led_num' not 'linuxgpiod_led_num'" - eval linuxgpiod led_num $args + eval adapter_gpio_helper led $args } lappend _telnet_autocomplete_skip linuxgpiod_gpiochip proc linuxgpiod_gpiochip args { - echo "DEPRECATED! use 'linuxgpiod gpiochip' not 'linuxgpiod_gpiochip'" - eval linuxgpiod gpiochip $args + echo "DEPRECATED! use 'adapter <signal_name> -chip' not 'linuxgpiod_gpiochip'" + switch [llength $args] { + 0 { } + 1 { + foreach sig_name {tck tms tdi tdo trst srst swclk swdio swdio_dir led} { + eval adapter gpio $sig_name -chip $args + } + } + default {return -code 1 -level 1 "linuxgpiod_gpiochip: syntax error"} + } + eval adapter gpio } lappend _telnet_autocomplete_skip sysfsgpio_jtag_nums @@ -863,6 +861,87 @@ proc "xds110 serial" {args} { eval adapter serial $args } +lappend _telnet_autocomplete_skip linuxgpiod +# linuxgpiod command completely removed, this is required for the sub-commands to work +proc linuxgpiod {subcommand args} { + eval {"linuxgpiod $subcommand"} $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod tck_num" +proc "linuxgpiod tck_num" {args} { + eval adapter_gpio_helper tck $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod tms_num" +proc "linuxgpiod tms_num" {args} { + eval adapter_gpio_helper tms $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod tdi_num" +proc "linuxgpiod tdi_num" {args} { + eval adapter_gpio_helper tdi $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod tdo_num" +proc "linuxgpiod tdo_num" {args} { + eval adapter_gpio_helper tdo $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod trst_num" +proc "linuxgpiod trst_num" {args} { + eval adapter_gpio_helper trst $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod srst_num" +proc "linuxgpiod srst_num" {args} { + eval adapter_gpio_helper srst $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod swclk_num" +proc "linuxgpiod swclk_num" {args} { + eval adapter_gpio_helper swclk $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod swdio_num" +proc "linuxgpiod swdio_num" {args} { + eval adapter_gpio_helper swdio $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod swdio_dir_num" +proc "linuxgpiod swdio_dir_num" {args} { + eval adapter_gpio_helper swdio_dir $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod led_num" +proc "linuxgpiod led_num" {args} { + eval adapter_gpio_helper led $args +} + +lappend _telnet_autocomplete_skip "linuxgpiod gpiochip" +proc "linuxgpiod gpiochip" {num} { + echo "DEPRECATED! use 'adapter <signal_name> -chip' not 'linuxgpiod gpiochip'" + foreach sig_name {tck tms tdi tdo trst srst swclk swdio swdio_dir led} { + eval adapter gpio $sig_name -chip $num + } + eval adapter gpio +} + +lappend _telnet_autocomplete_skip "linuxgpiod jtag_nums" +proc "linuxgpiod jtag_nums" {tck_num tms_num tdi_num tdo_num} { + echo "DEPRECATED! use 'adapter gpio tck; adapter gpio tms; adapter gpio tdi; adapter gpio tdo' not 'linuxgpiod jtag_nums'" + eval adapter gpio tck $tck_num + eval adapter gpio tms $tms_num + eval adapter gpio tdi $tdi_num + eval adapter gpio tdo $tdo_num +} + +lappend _telnet_autocomplete_skip "linuxgpiod swd_nums" +proc "linuxgpiod swd_nums" {swclk swdio} { + echo "DEPRECATED! use 'adapter gpio swclk; adapter gpio swdio' not 'linuxgpiod jtag_nums'" + eval adapter gpio swclk $swclk + eval adapter gpio swdio $swdio +} + lappend _telnet_autocomplete_skip "am335xgpio jtag_nums" proc "am335xgpio jtag_nums" {tck_num tms_num tdi_num tdo_num} { echo "DEPRECATED! use 'adapter gpio tck; adapter gpio tms; adapter gpio tdi; adapter gpio tdo' not 'am335xgpio jtag_nums'" diff --git a/tcl/interface/dln-2-gpiod.cfg b/tcl/interface/dln-2-gpiod.cfg index cd6061f..c9e3388 100644 --- a/tcl/interface/dln-2-gpiod.cfg +++ b/tcl/interface/dln-2-gpiod.cfg @@ -17,11 +17,14 @@ adapter driver linuxgpiod -linuxgpiod gpiochip 0 -linuxgpiod jtag_nums 2 3 4 1 -linuxgpiod trst_num 5 -linuxgpiod swd_nums 2 3 -linuxgpiod srst_num 0 -linuxgpiod led_num 6 +adapter gpio srst 0 -chip 0 +adapter gpio tdo 1 -chip 0 +adapter gpio tck 2 -chip 0 +adapter gpio swclk 2 -chip 0 +adapter gpio tms 3 -chip 0 +adapter gpio swdio 3 -chip 0 +adapter gpio tdi 4 -chip 0 +adapter gpio trst 5 -chip 0 +adapter gpio led 6 -chip 0 reset_config trst_and_srst separate srst_push_pull diff --git a/testing/test-linuxgpiod-deprecated-commands.cfg b/testing/test-linuxgpiod-deprecated-commands.cfg new file mode 100644 index 0000000..3d4f5cb --- /dev/null +++ b/testing/test-linuxgpiod-deprecated-commands.cfg @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: GPL-2.0-or-later + +# OpenOCD script to test that the deprecated "linuxgpiod *" and "linuxgpiod_*" +# commands produce the expected results. Run this command as: +# openocd -f <path>/test-linuxgpiod-deprecated-commands.cfg + +# Raise an error if the "actual" value does not match the "expected" value. Trim +# whitespace (including newlines) from strings before comparing. +proc expected_value {expected actual} { + if {[string trim $expected] ne [string trim $actual]} { + error [puts "ERROR: '${actual}' != '${expected}'"] + } +} + +adapter driver linuxgpiod +puts "Driver is '[adapter name]'" +expected_value "linuxgpiod" [adapter name] +echo [adapter gpio] + +##################################### +# Test the "linuxgpiod *" commands + +# Change the GPIO chip for all signals. Don't check directly here, do so when +# each signal command is tested. +linuxgpiod gpiochip 0 + +linuxgpiod jtag_nums 1 2 3 4 +expected_value "adapter gpio tck (output): num 1, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tck] +expected_value "adapter gpio tms (output): num 2, chip 0, active-high, push-pull, pull-none, init-state active" [eval adapter gpio tms] +expected_value "adapter gpio tdi (output): num 3, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tdi] +expected_value "adapter gpio tdo (input): num 4, chip 0, active-high, pull-none, init-state input" [eval adapter gpio tdo] + +linuxgpiod tck_num 5 +expected_value "adapter gpio tck (output): num 5, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tck] + +linuxgpiod tms_num 6 +expected_value "adapter gpio tms (output): num 6, chip 0, active-high, push-pull, pull-none, init-state active" [eval adapter gpio tms] + +linuxgpiod tdi_num 7 +expected_value "adapter gpio tdi (output): num 7, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tdi] + +linuxgpiod tdo_num 8 +expected_value "adapter gpio tdo (input): num 8, chip 0, active-high, pull-none, init-state input" [eval adapter gpio tdo] + +linuxgpiod swd_nums 9 10 +expected_value "adapter gpio swclk (output): num 9, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swclk] +expected_value "adapter gpio swdio (bidirectional): num 10, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swdio] + +linuxgpiod swclk_num 11 +expected_value "adapter gpio swclk (output): num 11, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swclk] + +linuxgpiod swdio_num 12 +expected_value "adapter gpio swdio (bidirectional): num 12, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swdio] + +linuxgpiod swdio_dir_num 13 +expected_value "adapter gpio swdio_dir (output): num 13, chip 0, active-high, push-pull, pull-none" [eval adapter gpio swdio_dir] + +linuxgpiod srst_num 14 +expected_value "adapter gpio srst (output): num 14, chip 0, active-low, pull-none, init-state inactive" [eval adapter gpio srst] + +linuxgpiod trst_num 15 +expected_value "adapter gpio trst (output): num 15, chip 0, active-low, pull-none, init-state inactive" [eval adapter gpio trst] + +linuxgpiod led_num 16 +expected_value "adapter gpio led (output): num 16, chip 0, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio led] + +##################################### +# Test the old linuxgpiod_* commands + +# Change the GPIO chip for all signals. Don't check directly here, do so when +# each signal command is tested. +linuxgpiod_gpiochip 1 + +linuxgpiod_jtag_nums 17 18 19 20 +expected_value "adapter gpio tck (output): num 17, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tck] +expected_value "adapter gpio tms (output): num 18, chip 1, active-high, push-pull, pull-none, init-state active" [eval adapter gpio tms] +expected_value "adapter gpio tdi (output): num 19, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tdi] +expected_value "adapter gpio tdo (input): num 20, chip 1, active-high, pull-none, init-state input" [eval adapter gpio tdo] + +linuxgpiod_tck_num 21 +expected_value "adapter gpio tck (output): num 21, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tck] + +linuxgpiod_tms_num 22 +expected_value "adapter gpio tms (output): num 22, chip 1, active-high, push-pull, pull-none, init-state active" [eval adapter gpio tms] + +linuxgpiod_tdi_num 23 +expected_value "adapter gpio tdi (output): num 23, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio tdi] + +linuxgpiod_tdo_num 24 +expected_value "adapter gpio tdo (input): num 24, chip 1, active-high, pull-none, init-state input" [eval adapter gpio tdo] + +linuxgpiod_swd_nums 25 26 +expected_value "adapter gpio swclk (output): num 25, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swclk] +expected_value "adapter gpio swdio (bidirectional): num 26, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swdio] + +linuxgpiod_swclk_num 27 +expected_value "adapter gpio swclk (output): num 27, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swclk] + +linuxgpiod_swdio_num 28 +expected_value "adapter gpio swdio (bidirectional): num 28, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio swdio] + +linuxgpiod_led_num 29 +expected_value "adapter gpio led (output): num 29, chip 1, active-high, push-pull, pull-none, init-state inactive" [eval adapter gpio led] + +puts "SUCCESS" |