- U boot tftp how to#
- U boot tftp full#
nand write.yaffs program yaffs2 file system, need page alignedĭownload file system from PC to the board RAM 0x82000000, the length will be prompted after downloading successfully, using hexadecimal, command is as below:Ģ nandecc sw #AM335X kernel needs ecc software checking. nand write.jffs2 program JFFS2 file system, jump over the bad block. If executing above command, it displays “#”, it means transmitting file if prompts “TTT…”, it means transmitting overtime, you may need to check if the board has pinged through Host successfully.Įrase the content of 0x370508 byte from 0x280000 address: The purple part indicates programming MLO the red part indicates programming u-boot the green part indicates programming uImage the blue part indicates programming filesystem, the nandecc hw 2 and the nandecc sw need ECC hardware checking and software checking.ĭownload kernel from PC to the board RAM 0x82000000, the length will be reminded after succeed such as Bytes transferred = 3605768 (370508 hex)Ģ #AM335X kernel needs ecc checking or it will have error: ECC: uncorrectable. " updatesys=nand erase.chip mmc rescan fatload mmc 0 82000000 MLO nandecc hw 2 nand write.i 82000000 0 $ l ed flash all" Use printenv to check u-boot environment variables If failed, it will prompts as below:ĥ ping failed host 192.168.1.220 is not alive 
U boot tftp full#
Then use ping command to ensure the board pings through with the Host.ģ link up on port 0, speed 100, full duplexįor above, if prompts “host xxx is alive”, it means the board has pinged through with the Host successfully. The above commands are used for setting IP address of the board, MAC address of the Ethernet, IP address of the Ubuntu Host server, saving variables and restart. 1) Press “Enter” to get into u-boot command mode when the board start countdown Please copy the kernel and file system to tftp directory under Ubuntu system, for example, copy uImage and ubi.img to the /tftpboot directory under Ubuntu system.ģ.
U boot tftp how to#
How to download kernel and file system through tftp in u-boot?Ģ.
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