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    一台山水dv-99a蓝光机
    2013年10月12日 点击: 编辑: bsmsun
    有台山水蓝光机没有遥控,想改下代码,但芯片是MT8550,FLASH是hy27uf81g2a的,没有工具盒编程器,固件弄不下来,现在ttl进去了,有显示命令,但我菜,那为大哥教我怎么弄

    U-Boot 2009.08 (Dec 22 2010 - 09:33:50)

    I2C:   ready
    NXP B.V. - MT85XX SoC with ARM1176JZF-S
    DRAM: 256 MB
    NAND: 128 MiB
    u-boot adaptive mtd mechanism applied.
    [_i_find_part_tbl]Part tbl info passed from preloader
    [_i_find_part_tbl] version is 1!!
    [_i_get_upg_status_in_nand]upg status passed from preloader
    Using default environment

    SEG_MSG_UBOOT !
    In:   serial
    Out:   serial
    Err:   serial
    r_args_to_uboot:
        head sig     : 0xa0b0ead1
        version : 1
        boot type     : 0
        dram ch1     : 0x08000000
        dram ch2     : 0x08000000
        kern addr     : 0x0d9fffc0
        initrd addr   : 0x0eb00000
        initrd size   : 0x003d8a11
    enable bim two way write.
    boot type:[0]
    PHY reset fail
    懥諪#岵芏
    Hit any key to stop autoboot: 0
    mt8550_base #
    mt8550_base #
    mt8550_base # ?
    ?     - alias for 'help'
    base   - print or set address offset
    bdinfo - print Board Info structure
    bootm   - boot application image from memory
    bootp   - boot image via network using BOOTP/TFTP protocol
    chpart - change active partition
    cmp   - memory compare
    cp     - memory copy
    crc32   - checksum calculation
    dis_log - log_enable

    fatinfo - print information about filesystem
    fatload - load binary file from a dos filesystem
    fatls   - list files in a directory (default /)
    go     - start application at address 'addr'
    help   - print online help
    loop   - infinite loop on address range
    matchfile- match a file in a directory
    md     - memory display
    mm     - memory modify (auto-incrementing address)
    mt85xx_boot- mt85xx_boot   - boot command for mt85xx platform

    mtdparts- define flash/nand partitions
    mtest   - simple RAM read/write test
    mw     - memory write (fill)
    nand   - NAND sub-system
    nboot   - boot from NAND device
    nm     - memory modify (constant address)
    ping   - send ICMP ECHO_REQUEST to network host
    printenv- print environment variables
    rarpboot- boot image via network using RARP/TFTP protocol
    reset   - Perform RESET of the CPU
    setenv - set environment variables
    tftpboot- boot image via network using TFTP protocol
    ubi   - ubi commands
    upg   - upg   - Upgrade image sub-system

    usb   - usb   - BDP USB sub-system

    usbboot - usbboot - boot from USB device

    version - print monitor version
    mt8550_base #
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