From: Alice Hennessy <ahennessy@mvista.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: mark.langsdorf@amd.com, mtd@infradead.org
Subject: Re: CFI ident problems with AMD chips.
Date: Tue, 02 Jan 2001 10:53:10 -0800 [thread overview]
Message-ID: <3A522396.510E91E5@mvista.com> (raw)
In-Reply-To: 4883.977501550@redhat.com
David Woodhouse wrote:
> Hi,
>
> I've now started using AMD chips. I have a chip which I believe to be a
> 4MiB part with TOP boot blocks. Should be 63*64KiB erase regions followed by
> 8*8KiB erase regions.
>
> However, the CFI "Erase Block Region" information reports them in the wrong
> order - the 8*8KiB blocks _before_ the 63*64KiB.
>
> Is there some way to tell the top-boot parts apart from the bottom-boot
> parts?
>
> --
> dwmw2
>
> To unsubscribe, send "unsubscribe mtd" to majordomo@infradead.org
In the Am29DL322D/323D/324D spec, there's a Top/Bottom Boot Sector Flag at
the end of the Primary Vendor-Specific Extended Query at address 4F (word mode)
where 02 = bottom, 03 = top. I haven't tried it yet.
Alice
To unsubscribe, send "unsubscribe mtd" to majordomo@infradead.org
next prev parent reply other threads:[~2001-01-02 18:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-22 16:12 CFI ident problems with AMD chips David Woodhouse
2000-12-25 11:44 ` Nick Ivanter
2000-12-25 11:59 ` David Woodhouse
2001-01-02 18:53 ` Alice Hennessy [this message]
2001-01-02 22:30 ` David Woodhouse
2001-01-02 23:27 ` Alice Hennessy
2001-01-02 23:29 ` David Woodhouse
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