uEnv.txt

請參考 Das U-boot 之 manual
http://www.denx.de/wiki/DULG/UBootCmdGroupEnvironment

baudrate=115200
beaglerev=C4
optargs="consoleblank=0"
bootargs=console=ttyO2,115200n8 mpurate=auto buddy=none camera=none vram=12M omapfb.mode=dvi:640x480MR-16@60 omapdss.def_disp=dvi root=ubi0:rootfs ubi.mtd=4 rootfstype=ubifs
bootcmd=if mmc rescan ${mmcdev}; then if run userbutton; then setenv bootenv uEnv.txt;else setenv bootenv user.txt;fi;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 loaduimage; then run mmcboot;fi;fi;run nandboot;
bootdelay=3
bootenv=uEnv.txt
bootfile=uImage.beagle
buddy=none
camera=none
console=ttyO2,115200n8
defaultdisplay=dvi
dieid#=51454d5551454d555400000051454d55
dvimode=640x480MR-16@60
importbootenv=echo Importing environment from mmc ...; env import -t $loadaddr $filesize
loadaddr=0x80200000
loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}
loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz
loaduimage=fatload mmc ${mmcdev}:1 ${loadaddr} /uImage
loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} uImage
mmcargs=setenv bootargs console=${console} ${optargs} mpurate=${mpurate} buddy=${buddy} camera=${camera} vram=${vram} omapfb.mode=dvi:${dvimode} omapdss.def_disp=${defaultdisplay} root=${mmcroot} rootfstype=${mmcrootfstype}
mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${loadaddr}
mmcdev=0
mmcroot=/dev/mmcblk0p2 rw
mmcrootfstype=ext3 rootwait
mpurate=auto
nandargs=setenv bootargs console=${console} ${optargs} mpurate=${mpurate} buddy=${buddy} camera=${camera} vram=${vram} omapfb.mode=dvi:${dvimode} omapdss.def_disp=${defaultdisplay} root=${nandroot} rootfstype=${nandrootfstype}
nandboot=echo Booting from nand ...; run nandargs; nand read ${loadaddr} 280000 400000; bootm ${loadaddr}
nandroot=ubi0:rootfs ubi.mtd=4
nandrootfstype=ubifs
ramargs=setenv bootargs console=${console} ${optargs} mpurate=${mpurate} buddy=${buddy} vram=${vram} omapfb.mode=dvi:${dvimode} omapdss.def_disp=${defaultdisplay} root=${ramroot} rootfstype=${ramrootfstype}
ramboot=echo Booting from ramdisk ...; run ramargs; bootm ${loadaddr}
ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=0x81000000,64M
ramrootfstype=ext2
rdaddr=0x81000000
usbtty=cdc_acm
userbutton=if gpio input 173; then run userbutton_xm; else run userbutton_nonxm; fi;
userbutton_nonxm=gpio input 7;
userbutton_xm=gpio input 4;
vram=12M