diff --git a/plat/arm/board/n1sdp/include/platform_def.h b/plat/arm/board/n1sdp/include/platform_def.h
index 03bd380..adb957e 100644
--- a/plat/arm/board/n1sdp/include/platform_def.h
+++ b/plat/arm/board/n1sdp/include/platform_def.h
@@ -87,4 +87,8 @@
 /* Platform ID address */
 #define SSC_VERSION				(SSC_REG_BASE + SSC_VERSION_OFFSET)
 
+/* Secure Watchdog Constants */
+#define SBSA_SECURE_WDOG_BASE			UL(0x2A480000)
+#define SBSA_SECURE_WDOG_TIMEOUT		UL(100)
+
 #endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/n1sdp/n1sdp_plat.c b/plat/arm/board/n1sdp/n1sdp_plat.c
index 6905896..f36f9e2 100644
--- a/plat/arm/board/n1sdp/n1sdp_plat.c
+++ b/plat/arm/board/n1sdp/n1sdp_plat.c
@@ -10,6 +10,7 @@
 #include <common/debug.h>
 #include <plat/arm/common/plat_arm.h>
 #include <plat/common/platform.h>
+#include <drivers/arm/sbsa.h>
 
 /*
  * Table of regions to map using the MMU.
@@ -22,3 +23,12 @@
 	{0}
 };
 
+void plat_arm_secure_wdt_start(void)
+{
+	sbsa_wdog_start(SBSA_SECURE_WDOG_BASE, SBSA_SECURE_WDOG_TIMEOUT);
+}
+
+void plat_arm_secure_wdt_stop(void)
+{
+	sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
+}
diff --git a/plat/arm/board/n1sdp/platform.mk b/plat/arm/board/n1sdp/platform.mk
index 653d081..d0c34c8 100644
--- a/plat/arm/board/n1sdp/platform.mk
+++ b/plat/arm/board/n1sdp/platform.mk
@@ -25,6 +25,7 @@
 PLAT_BL_COMMON_SOURCES	:=	${N1SDP_BASE}/n1sdp_plat.c	        \
 				${N1SDP_BASE}/aarch64/n1sdp_helper.S
 
+BL1_SOURCES		+=	drivers/arm/sbsa/sbsa.c
 
 BL31_SOURCES		:=	${N1SDP_CPU_SOURCES}			\
 				${INTERCONNECT_SOURCES}			\