tftp操作nand flash

转载于 2010-04-06 10:38:00 发布 · 1.2k 阅读

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本文介绍了使用OMAP3DevKit8000开发板进行固件更新的具体步骤，包括通过TFTP传输工具加载不同类型的固件文件（如U-Boot映像、内核映像及文件系统映像），并利用nand命令集解锁、设置ECC、擦除和写入NAND闪存。

OMAP3 DevKit8000 # tftp 80000000 x-load.bin.ift_for_NAND
OMAP3 DevKit8000 # nand ecc hw
OMAP3 DevKit8000 # nand erase 0 80000

OMAP3 DevKit8000 # nand write.i 80000000 0 80000

2£©u-boot image updating
OMAP3 DevKit8000 # tftp 80000000 flash-uboot.bin
OMAP3 DevKit8000 # nand unlock
OMAP3 DevKit8000 # nand ecc sw
OMAP3 DevKit8000 # nand erase 80000 160000

OMAP3 DevKit8000 # nand write.i 80000000 80000 160000

3£©kernel image updating
OMAP3 DevKit8000 # tftp 80000000 uImage
OMAP3 DevKit8000 # nand unlock
OMAP3 DevKit8000 # nand ecc sw
OMAP3 DevKit8000 # nand erase 280000 200000

OMAP3 DevKit8000 # nand write.i 80000000 280000 200000

4£©file system image updating
OMAP3 DevKit8000 # tftp 80000000 ubi.img
OMAP3 DevKit8000 # nand unlock
OMAP3 DevKit8000 # nand ecc sw
OMAP3 DevKit8000 # nand erase 680000 7980000

OMAP3 DevKit8000 # nand write.i 80000000 680000 $(filesize)