[U-Boot] [PATCH] p1020rdb-pd: platform support

Scott Wood scottwood at freescale.com
Thu Jun 27 22:10:25 CEST 2013


On 06/27/2013 03:58:57 AM, Zhang Haijun-B42677 wrote:
> Hi, Scott
> 
> Sorry to reply to so late.
> Pls see my reply below.
> 
> 
> Regards & Thanks
> Haijun.
> 
> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Wednesday, May 22, 2013 6:24 AM
> > To: Zhang Haijun-B42677
> > Cc: Fleming Andy-AFLEMING; u-boot at lists.denx.de; Huang  
> Changming-R66093;
> > Zhang Haijun-B42677; Zhang Haijun-B42677; sun york-R58495
> > Subject: Re: [U-Boot] [PATCH] p1020rdb-pd: platform support
> >
> > On 04/28/2013 01:17:34 AM, Haijun.Zhang wrote:
> > > From: "Haijun.Zhang" <haijun.zhang at freescale.com>
> > >
> > > Add platform support for p1020rdb-pd
> >
> > Explain what is different about "-pd" and why this new revision  
> requires
> > a separate compile-time target.
> >
> [Haijun Wrote:] We use P1020RDB-PD to instead of P1020RDB-PC board  
> later on.
> They are all supported. Nand, DDR, Nor and Spi Flash are different  
> between them.
> So I thinks they should be two separate board as P1020UTM and  
> P1020MBG do.

Put this information in the changelog.

> > If it's due to raw DDR config, say so in the changelog.  Is there  
> any way
> > we could read a revision register to select the proper DDR config at
> > runtime?
> [Haijun Wrote:] Now we read DDR config from SPD fist, if not found  
> read from config file.

Is there any reason why SPD would not be found?

> > > +#if (defined(CONFIG_P1020RDB) || defined(CONFIG_P1020RDB_PD))
> > >  #if defined(CONFIG_P1020RDB)
> > >  #define CONFIG_BOARDNAME "P1020RDB-PC"
> > > +#elif defined(CONFIG_P1020RDB_PD)
> > > +#define CONFIG_BOARDNAME "P1020RDB-PD"
> > > +#endif
> >
> > CONFIG_P1020RDB is not a good name to mean specifically the -PC  
> revision.
> > Change it so that CONFIG_P1020RDB is set for all revisions of  
> P1020RDB,
> > and introduce CONFIG_P1020RDB-PC for PC-specific things.

Could you reply to this one?

...and of course I meant CONFIG_P1020RDB_PC rather than  
CONFIG_P1020RDB-PC. :-)

-Scott


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