[U-Boot] [PATCH 2/2] Add board support for hawkboard

[Sughosh Ganu <urwithsughosh@gmail.com>]

hi Wolfgang,

On Fri Oct 22, 2010 at 10:05:43AM +0200, Wolfgang Denk wrote:
> Dear Sughosh Ganu,
> 
> In message <20101022075016.GB8597@Hardy> you wrote:
> >
> > > Is there not a better way than adding such a huge #ifdef block?
> > 
> >   Not sure about this one. I need the pinmux configuration functions
> >   from this file. 
> 
> How about splitting the file, and using a separate file for the pinmux
> stuff?

  Fine, will implement this.


> > > Again: can we not avoid such a huge #ifdef block here?
> > 
> > 
> >   We need this initialisation for the nand spl part alone, and this is
> >   board specific. Can you please suggest any better way of handling
> >   this.
> 
> If it turns out that we have code that is common to NAND SPL and
> normal U-Boot, and other code that is not shared, these parts should
> be separated into different files so NAND SPL can build and use the
> common stuff and normal U-Boot additionally build and use the other
> stuff.

  Ok. Will split out the code that is specific to nand spl in a
  different file, which would not be compiled in for the normal
  u-boot.


> > > >  #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
> > > > -void board_init_f (ulong bootflag)
> > > > +void __board_init_f (ulong bootflag)
> > > >  {
> > > >  	relocate_code (CONFIG_SYS_TEXT_BASE - TOTAL_MALLOC_LEN, NULL,
> > > >  		       CONFIG_SYS_TEXT_BASE);
> > > >  }
> > > > +void board_init_f (ulong bootflag)__attribute__((weak, alias("__board_init_f")));
> > > >  #endif
> > > 
> > > This is a global change that affects all NAND booting boards. This
> > > must be submitted spearately, and you must explain in detail why you
> > > think you need that.  Also please mention on which systems this change
> > > has been tested.
> > 
> >   For hawkboard, we need to do some board specific initialisation
> >   which can be included in board_init_f. The freescale boards which
> 
> Can you probably do it in any of the other, board dependent init
> functions?

  Not sure on this one. The only board specific function that gets
  called in the nand spl stage is board_init_f.

-sughosh