diff --git a/include/plat/arm/css/common/css_pm.h b/include/plat/arm/css/common/css_pm.h
index eeb72de51ee885f5c79ce4100c59f4f6f119f4eb..ff75c6916442d6a02a3204ee3bf112da65d08f4e 100644
--- a/include/plat/arm/css/common/css_pm.h
+++ b/include/plat/arm/css/common/css_pm.h
@@ -11,9 +11,6 @@
 #include <psci.h>
 #include <stdint.h>
 
-/* System power domain at level 2, as currently implemented by CSS platforms */
-#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
-
 /* Macros to read the CSS power domain state */
 #define CSS_CORE_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL0]
 #define CSS_CLUSTER_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL1]
diff --git a/plat/arm/board/juno/include/platform_def.h b/plat/arm/board/juno/include/platform_def.h
index 735e4a3369a5930c7fb391f3cc0975f5a1f9036f..0414f6cc107f84a531349cbd698400a4f18eb385 100644
--- a/plat/arm/board/juno/include/platform_def.h
+++ b/plat/arm/board/juno/include/platform_def.h
@@ -292,4 +292,7 @@
 #define PLAT_ARM_PRIVATE_SDEI_EVENTS	ARM_SDEI_PRIVATE_EVENTS
 #define PLAT_ARM_SHARED_SDEI_EVENTS	ARM_SDEI_SHARED_EVENTS
 
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
+
 #endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/n1sdp/include/platform_def.h b/plat/arm/board/n1sdp/include/platform_def.h
index 3e48397810a4cf287278087068858d146244710a..fa639ca95a745e4b30b2b8e616dd3a9587e0e086 100644
--- a/plat/arm/board/n1sdp/include/platform_def.h
+++ b/plat/arm/board/n1sdp/include/platform_def.h
@@ -32,6 +32,8 @@
 						N1SDP_MAX_CPUS_PER_CLUSTER *	\
 						N1SDP_MAX_PE_PER_CPU)
 
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL			ARM_PWR_LVL2
 
 /*
  * PLAT_ARM_MMAP_ENTRIES depends on the number of entries in the
diff --git a/plat/arm/board/sgi575/include/platform_def.h b/plat/arm/board/sgi575/include/platform_def.h
index c06a0a1fa8932dede1b340b92667aad26b851ee6..394a2e829145fc1e54f0741d7c605f3aa9523798 100644
--- a/plat/arm/board/sgi575/include/platform_def.h
+++ b/plat/arm/board/sgi575/include/platform_def.h
@@ -20,4 +20,7 @@
 #define SGI575_DMC620_BASE0		UL(0x4e000000)
 #define SGI575_DMC620_BASE1		UL(0x4e100000)
 
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
+
 #endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/sgiclarka/include/platform_def.h b/plat/arm/board/sgiclarka/include/platform_def.h
index ba6d0434bb7eb1f63aaa7eb160521017d107a189..6de15c43271bce053e67d70239262b2c39ee708a 100644
--- a/plat/arm/board/sgiclarka/include/platform_def.h
+++ b/plat/arm/board/sgiclarka/include/platform_def.h
@@ -20,4 +20,7 @@
 #define SGICLARKA_DMC620_BASE0		UL(0x4e000000)
 #define SGICLARKA_DMC620_BASE1		UL(0x4e100000)
 
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
+
 #endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/css/sgm/include/sgm_base_platform_def.h b/plat/arm/css/sgm/include/sgm_base_platform_def.h
index a9795a484ce78f3fa78e088f3dca586deaf13e2e..2178f069a5ea9983611663cb5af8564b6a741086 100644
--- a/plat/arm/css/sgm/include/sgm_base_platform_def.h
+++ b/plat/arm/css/sgm/include/sgm_base_platform_def.h
@@ -239,4 +239,8 @@
  */
 #define PLAT_ARM_MEM_PROT_ADDR		(V2M_FLASH0_BASE + \
 					 V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
+
 #endif /* SGM_BASE_PLATFORM_DEF_H */