netdev - Re: [PATCH net-next-2.6 v3 1/1] can: c_can: Added support for Bosch C

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Message-ID: <4D2D6ABE.7000405@grandegger.com>
Date:	Wed, 12 Jan 2011 09:47:58 +0100
From:	Wolfgang Grandegger <wg@...ndegger.com>
To:	Marc Kleine-Budde <mkl@...gutronix.de>
CC:	Wolfram Sang <wsa@...gutronix.de>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Socketcan-core@...ts.berlios.de" <Socketcan-core@...ts.berlios.de>,
	Oliver Hartkopp <socketcan@...tkopp.net>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH net-next-2.6 v3 1/1] can: c_can: Added support for Bosch
 C_CAN controller

On 01/11/2011 11:01 PM, Marc Kleine-Budde wrote:
> On 01/11/2011 07:25 PM, Wolfgang Grandegger wrote:
> 
> [...]
> 
>> I was told that Bosch's page for the C_CAN is here:
>>
>>  http://www.semiconductors.bosch.de/en/ipmodules/can/canipmodules/c_can/c_can.asp
>>
>> There it's also written for what bus interfaces the C_CAN is available for, e.g.:
>>
>>   "The ASIC version is delivered with the AMBA APB bus interface from ARM."
> 
> On ARM we also have the AMBA bus abstraction in Linux, but I've never
> worked with it. IIRC Wolfram (Cc'ed) has recently touched it.
> 
>> which is obviously used in the "Platform Controller Hub" eg20t.
> 
> But in the pch, they've attached the AMBA to the PCI bus.

Ah, right. Anyway, with that driver we are prepared to handle other bus
interfaces by adding another bus-sensitive driver in
"drivers/net/can/c_can".

Wolfgang.
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