diff --git a/arch/arm/src/a1x/chip/a10_memorymap.h b/arch/arm/src/a1x/chip/a10_memorymap.h
index c7ce9b917e4..6f102e32877 100644
--- a/arch/arm/src/a1x/chip/a10_memorymap.h
+++ b/arch/arm/src/a1x/chip/a10_memorymap.h
@@ -41,7 +41,7 @@
  ************************************************************************************/
 
 #include <nuttx/config.h>
-#include <arch/A1X/chip.h>
+#include <arch/a1x/chip.h>
 
 /************************************************************************************
  * Pre-processor Definitions
diff --git a/configs/pcduino-a10/scripts/sdram.ld b/configs/pcduino-a10/scripts/sdram.ld
index 60a1a02c574..414c408a4ac 100644
--- a/configs/pcduino-a10/scripts/sdram.ld
+++ b/configs/pcduino-a10/scripts/sdram.ld
@@ -33,11 +33,13 @@
  *
  ****************************************************************************/
 
-/* The pcDuino and 256MB of SDRAM beginning at virtual address 0x4000:0000 */
+/* The pcDuino and 1GB of SDRAM beginning at virtual address 0x4000:0000.
+ * Execution begins at address 0x4a00000, leaving 864MB for NuttX.
+ */
 
 MEMORY
 {
-	sdram (W!RX) : ORIGIN = 0x40000000, LENGTH = 256M
+	sdram (W!RX) : ORIGIN = 0x4a000000, LENGTH = 864M
 }
 
 OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")