Boot flash

David Woodhouse dwmw2 at
Tue Feb 13 08:37:21 EST 2001

joakim.tjernlund at said:
> I want to use JFFS on a custom made PPC860 board. This board will have
> NOR flash memory(Intel) and will probably use ppcboot(suggestions for
> better boot loader welcome). Can I have ppcboot share a flash device
> with JFFS?

Assuming ppcboot is happy with this arrangement, yes. Arrange the 'map'
driver to split the flash into multiple partitions after probing it. See
pnc2000.c for one of many examples of this. The boot partition appears to
the upper layers, including JFFS, as an entirely separate MTD device.


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