From: Patrice Chotard Date: Fri, 23 May 2025 09:46:58 +0000 (+0200) Subject: watchdog: don't autostart watchdog on STM32MP architecture X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7e1e22c70d51d1594ddd3b54e943e511efd65a35;p=thirdparty%2Fu-boot.git watchdog: don't autostart watchdog on STM32MP architecture On STM32MP reference boards, the watchdog is started by a previous boot stage (e.g. bootrom or secure OS), so the config flag WATCHDOG_AUTOSTART is not required. It's preferable to rely on the DT properties "u-boot,autostart" or "u-boot,noautostart", if needed. For backward compatibility on defconfigs that are based on SPL, thus cannot rely on a previous boot stage for starting the watchdog, enable WATCHDOG_AUTOSTART in their respective defconfig. The change in stm32mp15_dhsom.config is propagated to: - configs/stm32mp15_dhcom_basic.config - configs/stm32mp15_dhcor_basic.config and then to: - stm32mp15_dhcom_basic_defconfig - stm32mp15_dhcom_drc02_basic_defconfig - stm32mp15_dhcom_pdk2_basic_defconfig - stm32mp15_dhcom_picoitx_basic_defconfig - stm32mp15_dhcor_avenger96_basic_defconfig - stm32mp15_dhcor_basic_defconfig - stm32mp15_dhcor_drc_compact_basic_defconfig - stm32mp15_dhcor_testbench_basic_defconfig Signed-off-by: Patrice Chotard Signed-off-by: Antonio Borneo Reviewed-by: Patrice Chotard --- diff --git a/configs/stm32mp15-icore-stm32mp1-ctouch2_defconfig b/configs/stm32mp15-icore-stm32mp1-ctouch2_defconfig index 2e86abac801..2c71d36dec0 100644 --- a/configs/stm32mp15-icore-stm32mp1-ctouch2_defconfig +++ b/configs/stm32mp15-icore-stm32mp1-ctouch2_defconfig @@ -89,6 +89,7 @@ CONFIG_DM_RTC=y CONFIG_RTC_STM32=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_SYSRESET_SYSCON=y +CONFIG_WATCHDOG_AUTOSTART=y CONFIG_WDT=y CONFIG_WDT_STM32MP=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/stm32mp15-icore-stm32mp1-edimm2.2_defconfig b/configs/stm32mp15-icore-stm32mp1-edimm2.2_defconfig index b800b4c4073..69e9ea4b0c7 100644 --- a/configs/stm32mp15-icore-stm32mp1-edimm2.2_defconfig +++ b/configs/stm32mp15-icore-stm32mp1-edimm2.2_defconfig @@ -89,6 +89,7 @@ CONFIG_DM_RTC=y CONFIG_RTC_STM32=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_SYSRESET_SYSCON=y +CONFIG_WATCHDOG_AUTOSTART=y CONFIG_WDT=y CONFIG_WDT_STM32MP=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig b/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig index 870e17e451a..ea584f5f794 100644 --- a/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig +++ b/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig @@ -89,6 +89,7 @@ CONFIG_DM_RTC=y CONFIG_RTC_STM32=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_SYSRESET_SYSCON=y +CONFIG_WATCHDOG_AUTOSTART=y CONFIG_WDT=y CONFIG_WDT_STM32MP=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig b/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig index 88ee89aa13a..5b12980f0a4 100644 --- a/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig +++ b/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig @@ -89,6 +89,7 @@ CONFIG_DM_RTC=y CONFIG_RTC_STM32=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_SYSRESET_SYSCON=y +CONFIG_WATCHDOG_AUTOSTART=y CONFIG_WDT=y CONFIG_WDT_STM32MP=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig index 4c8ad87e72b..79593cce9fe 100644 --- a/configs/stm32mp15_basic_defconfig +++ b/configs/stm32mp15_basic_defconfig @@ -191,6 +191,7 @@ CONFIG_SPLASH_SCREEN_ALIGN=y CONFIG_BMP_16BPP=y CONFIG_BMP_24BPP=y CONFIG_BMP_32BPP=y +CONFIG_WATCHDOG_AUTOSTART=y CONFIG_WDT=y CONFIG_WDT_STM32MP=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/stm32mp15_dhsom.config b/configs/stm32mp15_dhsom.config index c84116482f6..565b49584e3 100644 --- a/configs/stm32mp15_dhsom.config +++ b/configs/stm32mp15_dhsom.config @@ -76,3 +76,4 @@ CONFIG_PREBOOT="run dh_preboot" CONFIG_SYS_SPI_U_BOOT_OFFS=0x80000 CONFIG_TARGET_DH_STM32MP1_PDK2=y CONFIG_USE_SERVERIP=y +CONFIG_WATCHDOG_AUTOSTART=y diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index e9ea874d0e3..56290b32bd9 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -15,6 +15,7 @@ config WATCHDOG_AUTOSTART bool "Automatically start watchdog timer" depends on WDT default n if ARCH_SUNXI + default n if ARCH_STM32MP default y help Automatically start watchdog timer and start servicing it during