From: David Woodhouse <dwmw2@infradead.org>
To: Kenneth Johansson <kenneth.johansson@inn.ericsson.se>
Cc: Russ.Dill@asu.edu, mtd@infradead.org
Subject: Re: Supported flash memory
Date: Fri, 05 Jan 2001 14:09:01 +0000 [thread overview]
Message-ID: <18366.978703741@redhat.com> (raw)
In-Reply-To: <3A55D27F.C1E734C2@inn.ericsson.se>
kenneth.johansson@inn.ericsson.se said:
> 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.
OK, if it's CFI flash that should work.
> Also, we make them with a version that has a boot block (different
> block size) but I think MTD can handle that or ?
We support that on AMD chips as of a couple of weeks ago. The logic is the
same for Intel chips and the merge will happen soon.
> Why do the boot code need to support flash? Flash looks like a
> ordinary ROM for everything not knowing the magic sequence.
For booting, it doesn't. For downloading a new kernel over CF Ethernet or
xmodem and putting it into the flash, it does.
--
dwmw2
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next prev parent reply other threads:[~2001-01-05 14:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-04 19:28 Supported flash memory Russ.Dill
2001-01-05 12:05 ` David Woodhouse
2001-01-05 13:56 ` Kenneth Johansson
2001-01-05 14:09 ` David Woodhouse [this message]
[not found] ` <978711806.3a55f4fe37922@webmail1.asu.edu>
2001-01-05 16:29 ` David Woodhouse
2001-01-05 16:57 ` Kenneth Johansson
2001-01-05 17:03 ` David Woodhouse
2001-01-05 18:01 ` Nicolas Pitre
2001-01-05 21:07 ` David Woodhouse
2001-01-07 16:42 ` David Woodhouse
2001-01-05 17:53 ` Nicolas Pitre
-- strict thread matches above, loose matches on Subject: below --
2001-02-02 0:49 Supported Flash memory Jose Guilberto
2001-02-02 10:30 ` David Woodhouse
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