--- elwix/ALFA_N2.txt	2014/01/20 00:04:35	1.1
+++ elwix/ALFA_N2.txt	2014/09/15 19:06:41	1.2
@@ -0,0 +1,66 @@
+u-boot
+
+u-boot 8MB nand map::
+0x00000000 - 0x00040000 u-boot (256KB == 262144) // +0x40000
+0x00040000 - 0x00050000 u-boot-env (64KB == 65536) // +0x10000
+0x00050000 - 0x00650000 rootfs (6144KB == 6291456) // +0x600000
+0x00650000 - 0x007E0000 uImage (1600KB == 1638400) // +0x190000
+0x007E0000 - 0x007F0000 cfg (64KB == 65536) // +0x10000
+0x007F0000 - 0x00800000 ART (64KB == 65536) // +0x10000
+
+Helper nand map for easy updates :)
+* 0x00050000 - 0x007E0000 firmware (7929856) // +0x790000
+
+
+u-boot environment::
+mtdids=nor0=ar7240-nor0
+mtddevnum=0
+mtddevname=u-boot
+mtdparts=mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),6m(rootfs),1600k(uImage),64k(cfg),64k(ART)
+
+u-boot mtdparts::
+device nor0 <ar7240-nor0>, # parts = 6
+#: name			size		offset		mask_flags
+0: u-boot              	0x00040000	0x00000000	0
+1: u-boot-env          	0x00010000	0x00040000	0
+2: rootfs              	0x00600000	0x00050000	0
+3: uImage              	0x00190000	0x00650000	0
+4: cfg                 	0x00010000	0x007e0000	0
+5: ART                 	0x00010000	0x007f0000	0
+active partition: nor0,0 - (u-boot) 0x00040000 @ 0x00000000
+
+u-boot make mtdparts on NAND::
+mtd default
+
+mtd del nor0,5
+mtd del nor0,4
+mtd del nor0,3
+mtd del nor0,2
+
+mtd add nor0 0x600000 rootfs
+mtd add nor0 0x190000 uImage
+mtd add nor0 0x10000 cfg
+mtd add nor0 0x10000 ART
+
+save
+
+
+1. update kernel
+tftp 0x81000000 kernel.lzma.uImage
+era 0x9F650000 +0x190000
+cp.b 0x81000000 0x9F650000 0x190000
+
+2. update rootfs
+tftp 0x80100000 rootfs.ulzma
+era 0x9F050000 +0x600000
+cp.b 0x80100000 0x9F050000 0x600000
+
+3. update entire firmware image
+tftp 0x80100000 elwix_firmware.bin
+era 0x9F050000 +0x790000
+cp.b 0x80100000 0x9F050000 0x790000
+
+4. update entire firmware image + vendor specific config
+tftp 0x80100000 elwix_firmware_vendor.bin
+era 0x9F050000 +0x7A0000
+cp.b 0x80100000 0x9F050000 0x7A0000