From: Brian Norris <computersforpeace@gmail.com>
To: Marek Vasut <marex@denx.de>
Cc: Viet Nga Dao <vndao@altera.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
David Woodhouse <dwmw2@infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
nga_chi86 <ngachi86@gmail.com>
Subject: Re: [PATCH] [PATCH v5] mtd:spi-nor: Add Altera Quad SPI Driver
Date: Thu, 20 Aug 2015 13:38:15 -0700 [thread overview]
Message-ID: <20150820203815.GF74600@google.com> (raw)
In-Reply-To: <201508201142.18586.marex@denx.de>
On Thu, Aug 20, 2015 at 11:42:18AM +0200, Marek Vasut wrote:
> On Thursday, August 20, 2015 at 11:18:14 AM, Viet Nga Dao wrote:
> > You might misunderstand the hardware problem i mention here. This soft
> > IP controller is able to provide the ID for our Altera EPCS/EPCQ flash
> > chips, which are non JEDEC chips. As from EPCQ device data sheet
> > (https://www.altera.com/content/dam/altera-www/global/en_US/pdfs/literature
> > /hb/cfg/cfg_cf52012.pdf), the device ID is 8 bit data.
>
> So what exactly is the output of READID instruction followed by 6 Byte read
> on an EPCQ chip?
+1 to this question
next prev parent reply other threads:[~2015-08-20 20:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-20 6:55 [PATCH] [PATCH v5] mtd:spi-nor: Add Altera Quad SPI Driver vndao
[not found] ` <1440053705-3836-1-git-send-email-vndao-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org>
2015-08-20 8:03 ` Marek Vasut
2015-08-20 8:13 ` Nga Chi
[not found] ` <CAN1oZWwLRYxs=eeWi8jh-jo8+C7WckdW1hfyunmq5_1qb1Jb8w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-20 8:17 ` Viet Nga Dao
2015-08-20 9:01 ` Marek Vasut
2015-08-20 8:52 ` Marek Vasut
2015-08-20 9:18 ` Viet Nga Dao
2015-08-20 9:42 ` Marek Vasut
2015-08-20 20:38 ` Brian Norris [this message]
[not found] ` <CAN1oZWzADdeNyZofXQwKa0F2_Jv4Oda824ew5C3Ug+-V9Lx3hw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-20 20:37 ` Brian Norris
[not found] ` <20150820203726.GE74600-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2015-08-21 1:38 ` Viet Nga Dao
[not found] ` <201508201003.38179.marex-ynQEQJNshbs@public.gmane.org>
2015-08-20 10:06 ` Alexander Stein
2015-08-20 20:19 ` Brian Norris
2015-08-20 21:52 ` Marek Vasut
2015-09-01 7:41 ` Viet Nga Dao
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