Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751641AbbHRBcq (ORCPT ); Mon, 17 Aug 2015 21:32:46 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:37580 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750985AbbHRBcp (ORCPT ); Mon, 17 Aug 2015 21:32:45 -0400 X-Auth-Info: 4n5wQ30g3z0bmQeJlgYVOTgRYIwws6jto1JAzaXodCQ= From: Marek Vasut To: Brian Norris Subject: Re: [PATCH] [PATCH v4] mtd:spi-nor: Add Altera Quad SPI Driver Date: Tue, 18 Aug 2015 03:32:41 +0200 User-Agent: KMail/1.13.7 (Linux/3.14-2-amd64; KDE/4.13.1; x86_64; ; ) Cc: linux-mtd@lists.infradead.org, Viet Nga Dao , "devicetree@vger.kernel.org" , "Rafa?? Mi??ecki" , "linux-kernel@vger.kernel.org" , David Woodhouse , Graham Moore References: <1433316644-3748-1-git-send-email-vndao@altera.com> <201508171953.23955.marex@denx.de> <20150818012444.GA17499@localhost> In-Reply-To: <20150818012444.GA17499@localhost> MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201508180332.41805.marex@denx.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1394 Lines: 35 On Tuesday, August 18, 2015 at 03:24:44 AM, Brian Norris wrote: > I'm not very helpful here, so hopefully Viet can be of more use: Yup :) > On Mon, Aug 17, 2015 at 07:53:23PM +0200, Marek Vasut wrote: > > On Monday, August 17, 2015 at 06:03:38 PM, Brian Norris wrote: > > Also, I cannot find any documentation for this IP block even if I search > > through Quartus/QSys, is there any proper documentation available > > anywhere? > > I never found proper documentation, but I didn't look too hard. I've > mostly been going off of Viet's comments and code. Me neither, and I looked through the altera stuff in fact. I'm trying to learn whether this is just an Soft IP, in which case it certainly can be fixed ; or if there is actually some chip shipping with this crap synthesised into actual silicon. > But FWIW, I did find some relevant info for the peculiar Altera EPCQ > flash here: > > https://www.altera.com/content/dam/altera-www/global/en_US/pdfs/literature/ > hb/cfg/cfg_cf52012.pdf Altera EPCS/EPCQ flashes are just rebranded micron flashes, they just have different JEDEC ID and are a bit more expensive. Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/