diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2019-07-30 19:16:39 +0200 |
|---|---|---|
| committer | Patrice Chotard <patrice.chotard@st.com> | 2019-08-27 11:19:23 +0200 |
| commit | dd2810851eb1d7a31b13961ef55b50cedf4b340b (patch) | |
| tree | b44e26cab8193af305e328e98fa370564953f9b8 /board | |
| parent | d573e461680d1642de2fb35e575dc9ef26fde56b (diff) | |
| download | u-boot-dd2810851eb1d7a31b13961ef55b50cedf4b340b.tar.gz | |
stm32mp1: board: support of error led on ed1/ev1 board
Create a function led_error_blink and add node in device
tree.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/st/stm32mp1/stm32mp1.c | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index e075f004b7..6e72e68e09 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -21,6 +21,7 @@ #include <reset.h> #include <syscon.h> #include <usb.h> +#include <watchdog.h> #include <asm/io.h> #include <asm/gpio.h> #include <asm/arch/stm32.h> @@ -232,6 +233,7 @@ int g_dnl_board_usb_cable_connected(void) } #endif /* CONFIG_USB_GADGET */ +#ifdef CONFIG_LED static int get_led(struct udevice **dev, char *led_string) { char *led_name; @@ -264,12 +266,41 @@ static int setup_led(enum led_state_t cmd) ret = led_set_state(dev, cmd); return ret; } +#endif + +static void __maybe_unused led_error_blink(u32 nb_blink) +{ +#ifdef CONFIG_LED + int ret; + struct udevice *led; + u32 i; +#endif + + if (!nb_blink) + return; + +#ifdef CONFIG_LED + ret = get_led(&led, "u-boot,error-led"); + if (!ret) { + /* make u-boot,error-led blinking */ + /* if U32_MAX and 125ms interval, for 17.02 years */ + for (i = 0; i < 2 * nb_blink; i++) { + led_set_state(led, LEDST_TOGGLE); + mdelay(125); + WATCHDOG_RESET(); + } + } +#endif + + /* infinite: the boot process must be stopped */ + if (nb_blink == U32_MAX) + hang(); +} static int board_check_usb_power(void) { struct ofnode_phandle_args adc_args; struct udevice *adc; - struct udevice *led; ofnode node; unsigned int raw; int max_uV = 0; @@ -395,20 +426,7 @@ static int board_check_usb_power(void) pr_err("****************************************************\n\n"); } - ret = get_led(&led, "u-boot,error-led"); - if (ret) { - /* in unattached case, the boot process must be stopped */ - if (nb_blink == U32_MAX) - hang(); - return ret; - } - - /* make u-boot,error-led blinking */ - for (i = 0; i < nb_blink * 2; i++) { - led_set_state(led, LEDST_TOGGLE); - mdelay(125); - } - led_set_state(led, LEDST_ON); + led_error_blink(nb_blink); return 0; } |