From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from majordomo by infradead.org with local (Exim 3.20 #2) id 14DWXH-0008V8-00 for mtd-list@infradead.org; Tue, 02 Jan 2001 18:51:51 +0000 Message-ID: <3A522396.510E91E5@mvista.com> Date: Tue, 02 Jan 2001 10:53:10 -0800 From: Alice Hennessy MIME-Version: 1.0 To: David Woodhouse CC: mark.langsdorf@amd.com, mtd@infradead.org Subject: Re: CFI ident problems with AMD chips. References: <4883.977501550@redhat.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-mtd@infradead.org List-ID: 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