1 files changed, 47 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-m/files/corstone1000/0003-Platform-corstone1000-Add-watchdog_reset_timer.patch b/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-m/files/corstone1000/0003-Platform-corstone1000-Add-watchdog_reset_timer.patch
new file mode 100644
index 0000000000..3ffd83e9a8
--- /dev/null
+++ b/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-m/files/corstone1000/0003-Platform-corstone1000-Add-watchdog_reset_timer.patch
@@ -0,0 +1,47 @@
+From 33d8f45c8f14e9e0d7add7d2804ed76c7d7fd0c2 Mon Sep 17 00:00:00 2001
+From: Emekcan Aras <emekcan.aras@arm.com>
+Date: Sat, 25 Feb 2023 09:04:38 +0000
+Subject: [PATCH 1/7] Platform: corstone1000: Add watchdog_reset_timer
+
+From: Mohamed Omar Asaker <mohamed.omarasaker@arm.com>
+
+Implement watchdog_reset_timer
+
+Upstream-Status: Submitted [https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/20552]
+Signed-off-by: Mohamed Omar Asaker <mohamed.omarasaker@arm.com>
+Change-Id: I2684ca54f9a456b22efcbcd364abef3537d4c91f
+---
+ .../arm/corstone1000/Native_Driver/watchdog.c   | 17 +++++++++++++++++
+ 1 file changed, 17 insertions(+)
+
+diff --git a/platform/ext/target/arm/corstone1000/Native_Driver/watchdog.c b/platform/ext/target/arm/corstone1000/Native_Driver/watchdog.c
+index 4e024a3b1..f6e182194 100644
+--- a/platform/ext/target/arm/corstone1000/Native_Driver/watchdog.c
++++ b/platform/ext/target/arm/corstone1000/Native_Driver/watchdog.c
+@@ -80,6 +80,23 @@ int corstone1000_watchdog_init()
+     return ARM_DRIVER_OK;
+ }
+ 
++/**
++ *  \brief Reset the Secure Enclave & SoC Watchdog's.
++ *
++ *  \returns ARM Driver return code.
++ */
++int corstone1000_watchdog_reset_timer() {
++    /* Unlock, clear and lock the watchdog timer */
++    arm_watchdog_unlock(&SE_WD_DEV);
++    arm_watchdog_clear_interrupt_and_refresh_counter(&SE_WD_DEV);
++    arm_watchdog_lock(&SE_WD_DEV);
++    /* Unlock, clear and lock the watchdog timer */
++    arm_watchdog_unlock(&SOC_WD_DEV);
++    arm_watchdog_clear_interrupt_and_refresh_counter(&SOC_WD_DEV);
++    arm_watchdog_lock(&SOC_WD_DEV);
++    return ARM_DRIVER_OK;
++}
++
+ /*
+  * Secure Host Watchdog WS1 Handler
+  * efi_reset_system from the host triggers "Secure
+-- 
+2.17.1
+