diff --git a/docs/plat/rpi3.rst b/docs/plat/rpi3.rst
index 5e535c6..5ac9085 100644
--- a/docs/plat/rpi3.rst
+++ b/docs/plat/rpi3.rst
@@ -123,7 +123,7 @@
                |   Secure SRAM   | BL2, BL31
     0x10100000 +-----------------+
                |   Secure DRAM   | BL32 (Secure payload)
-    0x10300000 +-----------------+
+    0x10C00000 +-----------------+
                | Non-secure DRAM | BL33
     0x11000000 +-----------------+
                |                 |
diff --git a/plat/rpi3/include/platform_def.h b/plat/rpi3/include/platform_def.h
index 2cd0dff..5b84aa6 100644
--- a/plat/rpi3/include/platform_def.h
+++ b/plat/rpi3/include/platform_def.h
@@ -75,10 +75,10 @@
 #define SEC_SRAM_SIZE			ULL(0x00100000)
 
 #define SEC_DRAM0_BASE			ULL(0x10100000)
-#define SEC_DRAM0_SIZE			ULL(0x00200000)
+#define SEC_DRAM0_SIZE			ULL(0x00B00000)
 
-#define NS_DRAM0_BASE			ULL(0x10300000)
-#define NS_DRAM0_SIZE			ULL(0x00D00000)
+#define NS_DRAM0_BASE			ULL(0x10C00000)
+#define NS_DRAM0_SIZE			ULL(0x00400000)
 /* End of reserved memory */
 
 /*