netdev - Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH

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Message-ID: <4C90B63D.9030201@pengutronix.de>
Date:	Wed, 15 Sep 2010 14:04:13 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	Wolfgang Grandegger <wg@...ndegger.com>
CC:	Oliver Hartkopp <socketcan@...tkopp.net>,
	andrew.chih.howe.khor@...el.com, socketcan-core@...ts.berlios.de,
	qi.wang@...el.com, netdev@...r.kernel.org, gregkh@...e.de,
	yong.y.wang@...el.com, Masayuki Ohtake <masa-korg@....okisemi.com>,
	Morinaga <morinaga526@....okisemi.com>, meego-dev@...go.com,
	arjan@...ux.intel.com
Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_CAN driver to 2.6.35

On 09/15/2010 12:55 PM, Wolfgang Grandegger wrote:
>> Just a remark:
>>
>> During the IDF the informations about the Topcliff Controller Hub have been
>> reworked, so that some of the documentation became available for the public:
>>
>> http://edc.intel.com/Platforms/Atom-E6xx/#hardware
>>
>> Especially the Datasheet for the Platform Controller Hub EG20T can be found:
>>
>> http://download.intel.com/embedded/chipsets/datasheet/324211.pdf
>>
>> In chapter 13 there are some details about the CAN controller.
> 
> Ah, thanks for the link. The CAN controller seems then to be similar to
> the OKI MSM9225B.

According to the datasheet for the msm9225 I found, the chip has got an
8 bit interface (mmap'ed or spi). The Intel is 32 bit based (most, maybe
all, upper 16 bit are marked as reserverd).

cheers, Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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