uboot for MT7621 NAND

It boot from SPI flash and then write bootloader to NAND. Then device can boot from NAND

Steps

tftpboot 0x80100000 uboot.img
md 0x80100000
nand init
nand read 0 200
nand erase 0 40000
nand write.fan

Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
board/rt2880		board/rt2880
common		common
cpu/ralink_soc		cpu/ralink_soc
disk		disk
doc		doc
drivers		drivers
fs		fs
httpd		httpd
include		include
lib_generic		lib_generic
lib_mips		lib_mips
net		net
peripheral		peripheral
rtc		rtc
scripts		scripts
stage1		stage1
tools		tools
.gitignore		.gitignore
CHANGELOG		CHANGELOG
COPYING		COPYING
CREDITS		CREDITS
MAINTAINERS		MAINTAINERS
MAKEALL		MAKEALL
Makefile		Makefile
README		README
README.md		README.md
config.in		config.in
config.mk		config.mk
firewrt_defconfig		firewrt_defconfig
mips_config.mk		mips_config.mk
mkconfig		mkconfig
mt7621_ddr.sh		mt7621_ddr.sh
mt7621_ddr_param.txt		mt7621_ddr_param.txt
mt7621_stage_L2.bin		mt7621_stage_L2.bin
mt7621_stage_sram.bin		mt7621_stage_sram.bin
uboot.bin		uboot.bin
uboot_version.h		uboot_version.h
witi_config		witi_config