From f9056d222c401f782481d323206595eed17671cb Mon Sep 17 00:00:00 2001 From: Antonio Borneo Date: Fri, 4 Jan 2019 21:07:36 +0100 Subject: [PATCH 1/1] drivers/imx_gpio: fix usage messages The notation "(tck tms tdi tdo)* " is incorrect, because it means the quadruple of gpio can be repeated on the command-line. The correct syntax of the command requires instead to provide either all the four gpio numbers (in order to set the values) or to pass an empty command-line (to dump the values previously set). Change the .usage field to "[tck tms tdi tdo]". Change similarly the corresponding .usage field for SWD command. Add the .usage field for the commands that individually set each gpio or gpio property. Dump the previously set values when commands imx_gpio_speed_coeffs or imx_gpio_peripheral_base are executed with empty command-line. Change-Id: Id56a68622817101bd0a46fed1fead6d2cd2b6ec6 Signed-off-by: Antonio Borneo Reviewed-on: http://openocd.zylin.com/5018 Tested-by: jenkins Reviewed-by: Tomas Vanek --- src/jtag/drivers/imx_gpio.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/src/jtag/drivers/imx_gpio.c b/src/jtag/drivers/imx_gpio.c index f42692c38d..8f172c26ce 100644 --- a/src/jtag/drivers/imx_gpio.c +++ b/src/jtag/drivers/imx_gpio.c @@ -322,6 +322,9 @@ COMMAND_HANDLER(imx_gpio_handle_speed_coeffs) COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], speed_coeff); COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], speed_offset); } + + command_print(CMD_CTX, "imx_gpio: speed_coeffs = %d, speed_offset = %d", + speed_coeff, speed_offset); return ERROR_OK; } @@ -329,6 +332,9 @@ COMMAND_HANDLER(imx_gpio_handle_peripheral_base) { if (CMD_ARGC == 1) COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], imx_gpio_peri_base); + + command_print(CMD_CTX, "imx_gpio: peripheral_base = 0x%08x", + imx_gpio_peri_base); return ERROR_OK; } @@ -338,74 +344,84 @@ static const struct command_registration imx_gpio_command_handlers[] = { .handler = &imx_gpio_handle_jtag_gpionums, .mode = COMMAND_CONFIG, .help = "gpio numbers for tck, tms, tdi, tdo. (in that order)", - .usage = "(tck tms tdi tdo)* ", + .usage = "[tck tms tdi tdo]", }, { .name = "imx_gpio_tck_num", .handler = &imx_gpio_handle_jtag_gpionum_tck, .mode = COMMAND_CONFIG, .help = "gpio number for tck.", + .usage = "[tck]", }, { .name = "imx_gpio_tms_num", .handler = &imx_gpio_handle_jtag_gpionum_tms, .mode = COMMAND_CONFIG, .help = "gpio number for tms.", + .usage = "[tms]", }, { .name = "imx_gpio_tdo_num", .handler = &imx_gpio_handle_jtag_gpionum_tdo, .mode = COMMAND_CONFIG, .help = "gpio number for tdo.", + .usage = "[tdo]", }, { .name = "imx_gpio_tdi_num", .handler = &imx_gpio_handle_jtag_gpionum_tdi, .mode = COMMAND_CONFIG, .help = "gpio number for tdi.", + .usage = "[tdi]", }, { .name = "imx_gpio_swd_nums", .handler = &imx_gpio_handle_swd_gpionums, .mode = COMMAND_CONFIG, .help = "gpio numbers for swclk, swdio. (in that order)", - .usage = "(swclk swdio)* ", + .usage = "[swclk swdio]", }, { .name = "imx_gpio_swclk_num", .handler = &imx_gpio_handle_swd_gpionum_swclk, .mode = COMMAND_CONFIG, .help = "gpio number for swclk.", + .usage = "[swclk]", }, { .name = "imx_gpio_swdio_num", .handler = &imx_gpio_handle_swd_gpionum_swdio, .mode = COMMAND_CONFIG, .help = "gpio number for swdio.", + .usage = "[swdio]", }, { .name = "imx_gpio_srst_num", .handler = &imx_gpio_handle_jtag_gpionum_srst, .mode = COMMAND_CONFIG, .help = "gpio number for srst.", + .usage = "[srst]", }, { .name = "imx_gpio_trst_num", .handler = &imx_gpio_handle_jtag_gpionum_trst, .mode = COMMAND_CONFIG, .help = "gpio number for trst.", + .usage = "[trst]", }, { .name = "imx_gpio_speed_coeffs", .handler = &imx_gpio_handle_speed_coeffs, .mode = COMMAND_CONFIG, .help = "SPEED_COEFF and SPEED_OFFSET for delay calculations.", + .usage = "[SPEED_COEFF SPEED_OFFSET]", }, { .name = "imx_gpio_peripheral_base", .handler = &imx_gpio_handle_peripheral_base, .mode = COMMAND_CONFIG, .help = "peripheral base to access GPIOs (0x0209c000 for most IMX).", + .usage = "[base]", }, COMMAND_REGISTRATION_DONE -- 2.30.2