itop4412環境下的支持設備樹的Uboot信息

u-boot # pri
arch=arm
baudrate=115200
board=itop4412
board_name=itop4412
bootargs=root=/dev/mmcblk1p2 rw console=ttySAC2,115200 init=/linuxrc earlyprintk
bootcmd=if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadbootscript; then run bootscript; fi; fi;mmc read ${loadaddr} 0x460 0x3000; mmc read ${dtb_addr} 0x3460 0xa0; bootm ${loadaddr} - ${dtb_addr}load mmc ${mmcdev} ${loadaddr} uImage; load mmc ${mmcdev} ${dtb_addr} ${dtb_name}; bootm ${loadaddr} - ${dtb_addr}
bootdelay=5
bootenv=uEnv.txt
bootscript=echo Running bootscript from mmc${mmcdev} ...; source ${loadaddr}
console=ttySAC2,115200n8
cpu=armv7
dtb_addr=0x41000000
dtb_name=exynos4412-itop-elite.dtb
fdtcontroladdr=7ae56a58
importbootenv=echo Importing environment from mmc ...; env import -t $loadaddr $filesize
kerneladdr=0x40007000
loadaddr=0x40007000
loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}
loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr
mmcdev=0
ramdiskaddr=0x48000000
rdaddr=0x48000000
soc=exynos
vendor=samsung

Environment size: 1210/8188 bytes

這個坑已經困擾我很久了，今天終於解決了，現在我的板子可以運行正常的新的內核了。