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-rw-r--r--board/freescale/bsc9131rdb/README10
-rw-r--r--include/configs/BSC9131RDB.h4
2 files changed, 13 insertions, 1 deletions
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;" \