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  • uboot 信息解读

    baudrate=115200 
    bootargs=console=ttySAC0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
    bootcmd=if mmc rescan ${mmcdev}; then if run loadbootscript; then run bootscript; else if run loaduimage; then run mmcboot; else run nandboot; fi; fi; else run nandboot; fi
    bootdelay=10
    bootfile=uImage
    bootscript=echo Running bootscript from mmc ...; source ${loadaddr}
    console=ttyO0,115200n8
    dieid#=4b1c00029ff80000016842c91103201f
    ethact=smc911x-0
    ethaddr=00:50:c2:d9:d0:c6
    filesize=301E54
    loadaddr=0x82000000
    loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr
    loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage
    mmcargs=setenv bootargs console=${console} root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
    mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${loadaddr}
    mmcdev=0
    nand_kernel= nand read.i 0x80007fc0 280000 380000;echo 222222...;
    nand_mmc_boot= nandecc hw 2;echo 111111...; run nand_kernel;run nandargs ; bootm 0x80007fc0
    nandargs=echo 333333...; setenv bootargs console=ttySAC0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
    nandboot=echo Booting from nand ...; run nandargs; onenand read ${loadaddr} 280000 400000; bootm ${loadaddr}
    nandcargs=echo 333333...;setenv bootargs console=ttySAC0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
    stderr=serial
    stdin=serial
    stdout=serial
    usbtty=cdc_acm

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  • 原文地址:https://www.cnblogs.com/Viewsky/p/4215165.html
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