diff --git a/board/freescale/bsc9131rdb/README b/board/freescale/bsc9131rdb/README
index d7b2176..4902b98 100644
--- a/board/freescale/bsc9131rdb/README
+++ b/board/freescale/bsc9131rdb/README
@@ -111,6 +111,16 @@ Memory map
  0xFF70_0000	0xFF7F_FFFF	PA CCSR			1M
  0xFF80_0000	0xFFFF_FFFF	Boot Page & NAND Buffer 8M
 
+DDR Memory map
+---------------
+ 0x0000_0000	0x36FF_FFFF	Memory passed onto Linux
+ 0x3700_0000	0x37FF_FFFF	PowerPC-DSP shared control area
+ 0x3800_0000	0x4FFF_FFFF	DSP Private area
+
+ Out of 880M, passed onto Linux, 1hugetlb page of 256M is reserved for
+ data communcation between PowerPC and DSP core.
+ Rest is PowerPC private area.
+
 Flashing Images
 ---------------
 To place a new u-boot image in the NAND flash and then boot
diff --git a/include/configs/BSC9131RDB.h b/include/configs/BSC9131RDB.h
index 5462670..b5911c6 100644
--- a/include/configs/BSC9131RDB.h
+++ b/include/configs/BSC9131RDB.h
@@ -442,7 +442,9 @@ extern unsigned long get_sdram_size(void);
 	"fdtfile=bsc9131rdb.dtb\0"		\
 	"bdev=sda1\0"	\
 	"hwconfig=usb1:dr_mode=host,phy_type=ulpi\0"	\
-	"othbootargs=ramdisk_size=600000 \0" \
+	"bootm_size=0x37000000\0"	\
+	"othbootargs=ramdisk_size=600000 " \
+	"default_hugepagesz=256m hugepagesz=256m hugepages=1\0" \
 	"usbext2boot=setenv bootargs root=/dev/ram rw "	\
 	"console=$consoledev,$baudrate $othbootargs; "	\
 	"usb start;"			\