diff --git a/plat/allwinner/common/include/platform_def.h b/plat/allwinner/common/include/platform_def.h
index 32a7c04..6f22744 100644
--- a/plat/allwinner/common/include/platform_def.h
+++ b/plat/allwinner/common/include/platform_def.h
@@ -13,7 +13,7 @@
 
 #include <sunxi_mmap.h>
 
-#define BL31_BASE			SUNXI_SRAM_A2_BASE
+#define BL31_BASE			(SUNXI_SRAM_A2_BASE + 0x4000)
 #define BL31_LIMIT			(SUNXI_SRAM_A2_BASE + SUNXI_SRAM_A2_SIZE)
 
 /* Overwrite U-Boot SPL, but reserve the first page for the SPL header. */
diff --git a/plat/allwinner/common/sunxi_common.c b/plat/allwinner/common/sunxi_common.c
index 3759c28..45e4154 100644
--- a/plat/allwinner/common/sunxi_common.c
+++ b/plat/allwinner/common/sunxi_common.c
@@ -175,7 +175,7 @@
  */
 void sunxi_execute_arisc_code(uint32_t *code, size_t size, uint16_t param)
 {
-	uintptr_t arisc_reset_vec = SUNXI_SRAM_A2_BASE - 0x4000 + 0x100;
+	uintptr_t arisc_reset_vec = SUNXI_SRAM_A2_BASE + 0x100;
 
 	do {
 		bakery_lock_get(&arisc_lock);
diff --git a/plat/allwinner/sun50i_a64/include/sunxi_mmap.h b/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
index db44091..9d2542f 100644
--- a/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
+++ b/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,8 +14,8 @@
 #define SUNXI_SRAM_SIZE			0x00044000
 #define SUNXI_SRAM_A1_BASE		0x00010000
 #define SUNXI_SRAM_A1_SIZE		0x00008000
-#define SUNXI_SRAM_A2_BASE		0x00044000
-#define SUNXI_SRAM_A2_SIZE		0x00010000
+#define SUNXI_SRAM_A2_BASE		0x00040000
+#define SUNXI_SRAM_A2_SIZE		0x00014000
 #define SUNXI_SRAM_C_BASE		0x00018000
 #define SUNXI_SRAM_C_SIZE		0x0001c000
 #define SUNXI_DEV_BASE			0x01000000
diff --git a/plat/allwinner/sun50i_h6/include/sunxi_mmap.h b/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
index f36491a..0e204d0 100644
--- a/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
+++ b/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,8 +14,8 @@
 #define SUNXI_SRAM_SIZE			0x000f8000
 #define SUNXI_SRAM_A1_BASE		0x00020000
 #define SUNXI_SRAM_A1_SIZE		0x00008000
-#define SUNXI_SRAM_A2_BASE		0x00104000
-#define SUNXI_SRAM_A2_SIZE		0x00014000
+#define SUNXI_SRAM_A2_BASE		0x00100000
+#define SUNXI_SRAM_A2_SIZE		0x00018000
 #define SUNXI_SRAM_C_BASE		0x00028000
 #define SUNXI_SRAM_C_SIZE		0x0001e000
 #define SUNXI_DEV_BASE			0x01000000