@@ -21,6 +21,7 @@
#include <fsl_esdhc.h>
#include <netdev.h>
#include <bootcount.h>
+#include <watchdog.h>
#include "common.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -197,6 +198,10 @@ void board_init_f(ulong dummy)
displ5_set_iomux_misc_spl();
+ /* Initialize and reset WDT in SPL */
+ hw_watchdog_init();
+ WATCHDOG_RESET();
+
/* load/boot image from boot device */
board_init_r(NULL, 0);
}
@@ -10,6 +10,7 @@ CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI_SUPPORT=y
CONFIG_SPL=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
CONFIG_DEFAULT_DEVICE_TREE="imx6q-display5"
CONFIG_FIT=y
CONFIG_SPL_LOAD_FIT=y
@@ -9,6 +9,7 @@ CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI_SUPPORT=y
CONFIG_SPL=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
CONFIG_FIT=y
CONFIG_OF_BOARD_SETUP=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6Q"
@@ -389,6 +389,11 @@
#define CONFIG_MTD_PARTITIONS
#define CONFIG_MTD_DEVICE
+/* Watchdog */
+#define CONFIG_HW_WATCHDOG
+#define CONFIG_IMX_WATCHDOG
+#define CONFIG_WATCHDOG_TIMEOUT_MSECS 15000
+
/* ENV config */
#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_SIZE (SZ_64K)
Test case: The fitImage gets corrupted: truncate -c -s 3M fitImage run tftp_mmc_fitImg setenv boot_os y reset [board shall hang in SPL with "Trying to boot from MMC1" information] Then after X seconds WDT is causing board to reset. After N boot attempts we enter recovery mode. Signed-off-by: Lukasz Majewski <lukma@denx.de> --- board/liebherr/display5/spl.c | 5 +++++ configs/display5_defconfig | 1 + configs/display5_factory_defconfig | 1 + include/configs/display5.h | 5 +++++ 4 files changed, 12 insertions(+)