Intel C3 chips

Eric W. Biederman ebiederman at
Mon Jan 21 17:09:21 EST 2002

Jeroen Roose <Jeroen.Roose at> writes:

> Hello,
> We've got a board based on the CDB89712 but using C3 (TE28F320/C3BC90) in
> stead of the B3 version. The C3 chip locks all blocks on chip reset. I've
> patched the bootloader (hermit) to unlock all blocks on boot.
> I've got MTD/JFFS2 working on the board, with the bootloader patch, but I
> think MTD should unlock the blocks.

There is code to do that, usually the command is just
unlock /dev/mtd0

> I'm not familiar with the MTD architecture, so I don't no how/where to
> implement this, can You help me to point this out ?

Unless the unlock needs to happen at mount time trace the unlock command.


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