[PATCH v3 05/12] ARM: mvebu: Remove the harcoded BootROM window allocation

Ezequiel Garcia ezequiel.garcia at free-electrons.com
Tue Jun 18 16:39:38 EDT 2013


On Tue, Jun 18, 2013 at 02:10:21PM -0600, Jason Gunthorpe wrote:
> On Tue, Jun 18, 2013 at 05:02:42PM -0300, Ezequiel Garcia wrote:
> > > Having the kernel enforce that the DT node is present and at the right
> > > location, I think, is helpful for the bootloader folks to ensure they
> > > write correct DTs.
> 
> > Granted. But then I wonder... why do we bother to put the BootROM in the
> > DT window if we're going to check for a fixed address it in any case?
> 
> Code re-use in the mbus driver?
> 
> Maybe future SOCs in this family will have programmable SMP startup
> addresses?
> 
> Non-SMP systems don't need to map the boot rom at all?
> 

Three great answers :)

-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com



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