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luftreich/UBoot 烧进 SPI Flash

Created July 18, 2014 04:32
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UBoot 烧进 SPI Flash
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UBoot 烧进 SPI Flash
kernel
把编译好的 uImage 拷在启动卡根目录上,启动后进入 uboot,执行
mmcinfo
fatload mmc 0 82000000 uImage
bootm
system
编译出 otapackage zip 包,拷到 T 卡,进入“升级”应用,选择对应的 zip 升级
uboot
把 UBoot 烧进 SPI Flash
先用 SDCard 启动板子。
键入命令:mmcinfo
键入命令:fatload mmc 0:1 82000000 u-boot.bin (把 UBoot 装入 DDR)
键入命令:sf probe 2 (初始化 SPI Flash)
键入命令:sf erase 0 80000 (擦除 SPI Flash)
键入命令:sf write 82000000 0 80000 (把 DDR 中 UBoot 写入 SPI Flash 中)
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