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Date:	Mon, 14 Jul 2014 15:32:35 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	Stefan Agner <stefan@...er.ch>
CC:	Marc Kleine-Budde <mkl@...gutronix.de>, <wg@...ndegger.com>,
	<kernel@...gutronix.de>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-can@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] can: flexcan: add vf61x support for flexcan

On Mon, Jul 14, 2014 at 09:06:33AM +0200, Stefan Agner wrote:
> Am 2014-07-14 08:04, schrieb Shawn Guo:
> > On Fri, Jul 11, 2014 at 03:58:37PM +0200, Stefan Agner wrote:
> >> >> @@ -362,7 +374,7 @@
> >> >>
> >> >>  			esdhc1: esdhc@...b2000 {
> >> >>  				compatible = "fsl,imx53-esdhc";
> >> >> -				reg = <0x400b2000 0x4000>;
> >> >> +				reg = <0x400b2000 0x1000>;
> >> >
> >> > What's that doing here? :)
> >>
> >> That's an error I just stumbled upon.
> > 
> > I do not see why it's an error.  From Table 2-1. System Memory Map in
> > i.MX53 RM, the size of ESDHC1 is 16K.
> > 
> > Shawn
> 
> Hi Shawn,
> 
> In the Vybrid RM memory map, 0x400B4000 is allocated to USB. 0x400B3000
> is empty, whereas for other peripherals (e.g. FlexCAN) which use
> multiple 0x1000 blocks, they are all explicitly stated. That is why I
> assumed 0x1000 is correct.

Ah, sorry.  I thought you're on i.MX53.  You're right about Vybrid, and
it should be 0x1000.

> 
> But then, the memory map within the SDHC peripheral has some registers
> also located in 0x400B3000.

Really?  Which one?

Shawn

> Hence I think 0x2000 is correct. Will send
> an updated and separated patch.
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