boot/zephyr: add nrfx watchdog kick during boot region copy
This fixes soft-bricks that we have seen as a result
of the bootloader being interrupted by the watchdog.
#endif /* !__BOOTSIM__ */
+#if CONFIG_NRFX_WDT
+#include <nrfx_wdt.h>
+
+#define FEED_WDT_INST(id) \
+ do { \
+ nrfx_wdt_t wdt_inst_##id = NRFX_WDT_INSTANCE(id); \
+ for (uint8_t i = 0; i < NRF_WDT_CHANNEL_NUMBER; i++) \
+ { \
+ nrf_wdt_reload_request_set(wdt_inst_##id.p_reg, \
+ (nrf_wdt_rr_register_t)(NRF_WDT_RR0 + i)); \
+ } \
+ } while (0)
+#if defined(CONFIG_NRFX_WDT0) && defined(CONFIG_NRFX_WDT1)
+#define MCUBOOT_WATCHDOG_FEED() \
+ do { \
+ FEED_WDT_INST(0); \
+ FEED_WDT_INST(1); \
+ } while (0)
+#elif defined(CONFIG_NRFX_WDT0)
+#define MCUBOOT_WATCHDOG_FEED() \
+ FEED_WDT_INST(0);
+#else /* defined(CONFIG_NRFX_WDT0) && defined(CONFIG_NRFX_WDT1) */
+#error "No NRFX WDT instances enabled"
+#endif /* defined(CONFIG_NRFX_WDT0) && defined(CONFIG_NRFX_WDT1) */
+
+#else /* CONFIG_NRFX_WDT */
+
#define MCUBOOT_WATCHDOG_FEED() \
do { \
/* TODO: to be implemented */ \
} while (0)
+#endif /* CONFIG_NRFX_WDT */
+
#endif /* __MCUBOOT_CONFIG_H__ */
