Supported flash memory
kenneth.johansson at inn.ericsson.se
Fri Jan 5 08:56:15 EST 2001
David Woodhouse wrote:
> Russ.Dill at asu.edu said:
> > Besides footprints, pinouts, etc, my other concern is software. The
> > logical combination would seem to be blob/mtd. What flash products are
> > known or probable to be compatible with this combination, what should
> > I look for to attempt to assertain compatibilty? Does blob/mtd work
> > transparently with a 16bit or 32bit ROM bus?
> The MTD code ought to work with any CFI-compliant flash chip from Intel or
> AMD, and with a few others too. In most combinations of bus size /
I have a custom made flassh module,so-dimm (72 pin), that I want to use but
don't know if I can .
The module can have up to 16 chips. (AMD)
Every chip has a to be in 8 bit mode.
The address range is divided into 8 chip select, giving a 16 bit data bus.
Thus I can't do any other access than 16 bit and always activate two chip's.
Also, we make them with a version that has a boot block (different block
size) but I think MTD can handle that or ?
I don't see any problem switching over to a version with all block the same
> I don't know about blob, but RedBoot should support most of the flash
> setups you're likely to encounter, too.
Why do the boot code need to support flash? Flash looks like a ordinary ROM
for everything not knowing the magic sequence.
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