[orion] add support for D-Link DNS-323

this patch adds support for D-Link DNS323 storage device.
You can find more info here:

http://dns323.lukaperkov.net/

Currently you need serial cable to flash OpenWrt on DNS-323.

Signed-off-by: Luka Perkov < openwrt ->-to->- lukaperkov.net >

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31198 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/orion/patches/300-dns323_partition_map.patch

@@ -0,0 +1,30 @@
+--- a/arch/arm/mach-orion5x/dns323-setup.c
++++ b/arch/arm/mach-orion5x/dns323-setup.c
+@@ -99,6 +99,13 @@
+  *  0x00020000-0x001a0000 : "Linux Kernel"
+  *  0x001a0000-0x007d0000 : "File System"
+  *  0x007d0000-0x00800000 : "u-boot"
++ *
++ * Layout as used by OpenWrt
++ *  0x00000000-0x00010000 : "MTD1"
++ *  0x00010000-0x00020000 : "MTD2"
++ *  0x00020000-0x001a0000 : "kernel"
++ *  0x001a0000-0x007d0000 : "rootfs"
++ *  0x007d0000-0x00800000 : "u-boot"
+  */
+ 
+ #define DNS323_NOR_BOOT_BASE 0xf4000000
+@@ -114,11 +121,11 @@
+ 		.size	= 0x00010000,
+ 		.offset = 0x00010000,
+ 	}, {
+-		.name	= "Linux Kernel",
++		.name	= "kernel",
+ 		.size	= 0x00180000,
+ 		.offset	= 0x00020000,
+ 	}, {
+-		.name	= "File System",
++		.name	= "rootfs",
+ 		.size	= 0x00630000,
+ 		.offset	= 0x001A0000,
+ 	}, {