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From: "H. Peter Anvin" <hpa@zytor.com>
To: Thomas Chou <thomas@wytron.com.tw>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Baruch Siach <baruch@tkos.co.il>,
	Andrew Morton <akpm@linux-foundation.org>,
	Indan Zupancic <indan@nul.nu>, Greg KH <greg@kroah.com>,
	Alex Gershgorin <agersh@rambler.ru>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>, Jiri Slaby <jslaby@suse.cz>,
	Nios2 development list <nios2-dev@sopc.et.ntust.edu.tw>
Subject: Re: [PATCHv3] drivers/misc: Altera active serial implementation
Date: Wed, 17 Nov 2010 18:15:22 -0800	[thread overview]
Message-ID: <4CE48C3A.2050506@zytor.com> (raw)
In-Reply-To: <4CE48C2E.5080502@wytron.com.tw>

On 11/17/2010 06:15 PM, Thomas Chou wrote:
> 
> EPCS16 = M25P16
> EPCS64 = M25P64
> 
> Yes, EPCS is ONLY serial flash. The Altera EPCS controller is only SPI 
> controller. It is well-known on Altera wiki and Altera forum.
> 
> You may use any stock SPI flash to replace EPCS as long as the access 
> time met. Though Altera flash programming utility supports only limited 
> brands, more SPI flash can be programmed using u-boot or Linux MTD. We 
> often boot right out of SPI/EPCS, as it saves cost and space.
> 
> There is no difference between Altera and Xilinx in this aspect, except 
> for their marketing approach.
> 

OK, that's rather funny.

	-hpa

  reply	other threads:[~2010-11-18  2:16 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-15  8:23 [PATCHv3] drivers/misc: Altera active serial implementation Baruch Siach
2010-11-15  9:33 ` Jiri Slaby
2010-11-15 10:08   ` Baruch Siach
2010-11-15 10:28     ` Jiri Slaby
2010-11-15 13:40       ` Baruch Siach
2010-11-15 14:24         ` Jiri Slaby
2010-11-15 16:19           ` Greg KH
2010-11-16  0:47       ` Indan Zupancic
2010-11-16  5:56         ` Baruch Siach
2010-11-16  7:42           ` H. Peter Anvin
2010-11-16 11:04         ` Alan Cox
2010-11-16 13:09           ` Jiri Slaby
2010-11-17  5:32             ` Baruch Siach
2010-11-17  5:43               ` H. Peter Anvin
2010-11-17  5:48                 ` Baruch Siach
2010-11-17  8:31                   ` Jiri Slaby
2010-11-17 11:08               ` Alan Cox
2010-11-16 11:05         ` Alan Cox
2010-11-17  6:18 ` Thomas Chou
2010-11-17 13:28   ` Baruch Siach
     [not found]   ` <4CE42457.8090001@zytor.com>
2010-11-18  2:15     ` Thomas Chou
2010-11-18  2:15       ` H. Peter Anvin [this message]
2010-11-22  5:57   ` Baruch Siach

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