From: David Woodhouse <dwmw2@infradead.org>
To: Stuart Menefy <Stuart.Menefy@st.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: CFI JEDEC probing
Date: Tue, 12 Jun 2001 09:34:47 +0100 [thread overview]
Message-ID: <5321.992334887@redhat.com> (raw)
In-Reply-To: <1010611174219.ZM25884@bristol.st.com>
Stuart.Menefy@st.com said:
> Humm, not sure if that makes things clearer or not! What I'm trying
> to say is, four 16 bit devices, on a 32bit data bus, with an
> interleave of 2, mapped into contiguous memory locations.
Take a look at the patch that Jan Rovins posted on Thursday for the MCPN765
board. It deals with it in a different way - by acknowledging that what you
effectively have is a 64-bit bus.
The alternative is to deal with the flash as two entirely separate 32-bit
pairs, and just have two separate map drivers giving access to even and odd
words respectively.
I'd like to see the cfi_jedec code removed completely and JEDEC probing put
in a separate probe function, rather than more special cases added to it.
--
dwmw2
prev parent reply other threads:[~2001-06-12 8:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-11 16:42 CFI JEDEC probing Stuart Menefy
2001-06-12 8:34 ` David Woodhouse [this message]
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