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-rw-r--r--arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi4
-rw-r--r--arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi4
-rw-r--r--board/st/stm32mp1/stm32mp1.c2
3 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
index 7dcc96c19c..4b37797f21 100644
--- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
@@ -17,8 +17,8 @@
u-boot,error-led = "error";
u-boot,mmc-env-partition = "ssbl";
st,adc_usb_pd = <&adc1 18>, <&adc1 19>;
- st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
- st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+ st,fastboot-gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ st,stm32prog-gpios = <&gpioa 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};
firmware {
diff --git a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
index 46a43371bd..fc6066aab2 100644
--- a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
@@ -16,8 +16,8 @@
u-boot,boot-led = "heartbeat";
u-boot,error-led = "error";
u-boot,mmc-env-partition = "ssbl";
- st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
- st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+ st,fastboot-gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ st,stm32prog-gpios = <&gpioa 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};
firmware {
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 2faf5c81b4..59fb6e548c 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -155,6 +155,7 @@ static void board_key_check(void)
&gpio, GPIOD_IS_IN)) {
log_debug("could not find a /config/st,fastboot-gpios\n");
} else {
+ udelay(20);
if (dm_gpio_get_value(&gpio)) {
log_notice("Fastboot key pressed, ");
boot_mode = BOOT_FASTBOOT;
@@ -168,6 +169,7 @@ static void board_key_check(void)
&gpio, GPIOD_IS_IN)) {
log_debug("could not find a /config/st,stm32prog-gpios\n");
} else {
+ udelay(20);
if (dm_gpio_get_value(&gpio)) {
log_notice("STM32Programmer key pressed, ");
boot_mode = BOOT_STM32PROG;