From: David Woodhouse <dwmw2@infradead.org>
To: mark.langsdorf@amd.com
Cc: mtd@infradead.org
Subject: Re: Problems with AMD CFI chips
Date: Tue, 31 Oct 2000 17:55:08 +0000 [thread overview]
Message-ID: <1552.973014908@redhat.com> (raw)
In-Reply-To: <0FA1031B65A9D111960900805F9FA8E103B9F191@txexmta8.amd.com>
mark.langsdorf@amd.com said:
> The Flash bank is found correctly, and loads, and I can write to it.
> However, when I boot from it, I can't seem to get it to commit writes
> - either creating new files or altering old ones. Once I reboot the
> device, my changes are gone.
Please check using the /dev/mtd0 device directly to see whether your writes
are 'taking'.
What 'map' driver are you using? I found that it didn't work for me on the
iPAQ because I wasn't enabling the Vpp voltage during write cycles. Is this
necessary on your targer?
Other than that, poke the author and/or look at the code yourself to see
what's happening. What interleave/buswidth are you using?
Note to self: Must produce a proper bug report for Nico for the current
cfi_cmdset_0001 code, does doesn't work for me on 1x16 devices.
--
dwmw2
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next prev parent reply other threads:[~2000-10-31 17:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-31 17:47 Problems with AMD CFI chips mark.langsdorf
2000-10-31 17:55 ` David Woodhouse [this message]
2000-11-08 16:49 ` cfi_cmdset_0001 Nicolas Pitre
-- strict thread matches above, loose matches on Subject: below --
2000-11-02 17:19 Problems with AMD CFI chips mark.langsdorf
2000-11-02 19:16 ` Gregory Schallert
2000-11-02 22:36 ` David Woodhouse
2000-11-02 22:31 ` David Woodhouse
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