diff --git a/include/configs/sun6i.h b/include/configs/sun6i.h
index 95ccc35708a7ecba89b9c3a1b2cddd5d8b515d29..0625502f44b49fa4980b59834540a7f2eb623b0d 100644
--- a/include/configs/sun6i.h
+++ b/include/configs/sun6i.h
@@ -25,6 +25,7 @@
 #define CONFIG_ARMV7_PSCI		1
 #define CONFIG_ARMV7_PSCI_NR_CPUS	4
 #define CONFIG_ARMV7_SECURE_BASE	SUNXI_SRAM_B_BASE
+#define CONFIG_ARMV7_SECURE_MAX_SIZE    (64 * 1024) /* 64 KB */
 
 /*
  * Include common sunxi configuration where most the settings are
diff --git a/include/configs/sun7i.h b/include/configs/sun7i.h
index 1c89fdf0d356eb46a0616ae12bb76283ef0f807d..e9074d5dfbf9817cdb483d6d495c8282619981de 100644
--- a/include/configs/sun7i.h
+++ b/include/configs/sun7i.h
@@ -23,6 +23,7 @@
 #define CONFIG_ARMV7_PSCI		1
 #define CONFIG_ARMV7_PSCI_NR_CPUS	2
 #define CONFIG_ARMV7_SECURE_BASE	SUNXI_SRAM_B_BASE
+#define CONFIG_ARMV7_SECURE_MAX_SIZE	(64 * 1024) /* 64 KB */
 
 /*
  * Include common sunxi configuration where most the settings are