On Thu, Aug 11, 2011 at 06:35:08PM +0200, Wolfgang Grandegger wrote:
> On 08/11/2011 06:07 PM, Robin Holt wrote:
> > Allow the p1010 processor to select the flexcan network driver.
> > 
> > Signed-off-by: Robin Holt <h...@sgi.com>
> > Acked-by: Marc Kleine-Budde <m...@pengutronix.de>,
> > Acked-by: Wolfgang Grandegger <w...@grandegger.com>,
> > Cc: U Bhaskar-B22300 <b22...@freescale.com>
> > Cc: socketcan-c...@lists.berlios.de,
> > Cc: net...@vger.kernel.org,
> > Cc: PPC list <linuxppc-dev@lists.ozlabs.org>
> > Cc: Kumar Gala <ga...@kernel.crashing.org>
> > ---
> >  arch/powerpc/boot/dts/p1010rdb.dts  |    8 ++++++++
> >  arch/powerpc/platforms/85xx/Kconfig |    2 ++
> >  2 files changed, 10 insertions(+), 0 deletions(-)
> > 
> > diff --git a/arch/powerpc/boot/dts/p1010rdb.dts 
> > b/arch/powerpc/boot/dts/p1010rdb.dts
> > index d6c669c..df89b60 100644
> > --- a/arch/powerpc/boot/dts/p1010rdb.dts
> > +++ b/arch/powerpc/boot/dts/p1010rdb.dts
> > @@ -171,6 +171,14 @@
> >                     };
> >             };
> >  
> > +           can@1c000 {
> > +                   clock-frequency = <0x0bebc1fc>;
> > +           };
> 
> 
>                       clock-frequency = <200000000>; // filled in by 
> boot-loader
> 
> Is better readable and makes clear that the value is filled in by the
> boot loader. Usually we specify "<0>" in that case but it will *not*
> work with your board because U-Boot fills into the property "clock_freq"
> the CCB-frequency, which is twice as much. This needs to be fixed.

I guess the question then is, should I not add the clock-frequency to
this file and let this fall back upon the boot-loader?  Until the boot
loader is up-to-speed, my test .dts file will need to define it.

Thanks,
Robin

> 
> > +           can1: can@1d000 {
> 
> What is the "can1:" good for?
> 
> > +                   clock-frequency = <0x0bebc1fc>;
> 
> See above.
> 
> Wolfgang.
> 
> 
> 
> 
> >             usb@22000 {
> >                     phy_type = "utmi";
> >             };
> > diff --git a/arch/powerpc/platforms/85xx/Kconfig 
> > b/arch/powerpc/platforms/85xx/Kconfig
> > index 498534c..c4304ae 100644
> > --- a/arch/powerpc/platforms/85xx/Kconfig
> > +++ b/arch/powerpc/platforms/85xx/Kconfig
> > @@ -70,6 +70,8 @@ config MPC85xx_RDB
> >  config P1010_RDB
> >     bool "Freescale P1010RDB"
> >     select DEFAULT_UIMAGE
> > +   select HAVE_CAN_FLEXCAN if NET && CAN
> > +   select PPC_CLOCK if CAN_FLEXCAN
> >     help
> >       This option enables support for the MPC85xx RDB (P1010 RDB) board
> >  
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