ts7300 wrote:
> Hi,
> I am using TS7400 module by default it is using TS- FLASHBOOT bootup
> firmware residing in ROM memory. But can we boot from an SD Card, through the
> TS-SDBOOT firmware.
> Can somebody suggest me something upon this....
>
>
Yes - the ts-sdboot software will do that; check TS's website. You will
want to have a ts9441 board, and/or a spi-flash emulator prior to
changing the startup software on the ts7400.
If you are running 2.6.21 (or whatever TS is using) you may be able to
statically link the SD card driver into the kernel. This allows you to
boot directly to modern ext2 filesystem running on the SD card; thus
avoiding the difficulties associated with NAND flash filesystems. You
can also get rid of the initialfs ram disk.
The advantage of such a setup is that you can develop on your PC, put
the SD card into a USB sdcard reader/writer, and directly modify the
filesystem / kernel partition using DD / ext2, etc...
Cheers,
-Brett
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