[U-Boot] Uboot and ARM SMP support

Jean-Christophe PLAGNIOL-VILLARD
2009-06-25T12:44:17Z

On 12:47 Thu 25 Jun , Nishanth Menon wrote:
> Sudeep K N said the following on 06/25/2009 12:11 PM:
> > Sorry, may be I confused you.
> > I indent to use only one core for u-boot.
> > I wanted to ask whether we need to update the cache
> > management to boot for ARM Cortex A9 SMP if we take
> > ARM Cortex A8 code as base.
> > I have tried and did not require any change on top of A8 code
> > to run u-boot on A9 SMP.
> > Is that right approach?
> >
> >
> you may want to see [1] how this was done for OMAP4 (which has a SMP
> cortex A9)-> we can discuss how to setup cortex_a9 in mainline u-boot.
>
> My thought would be: cpu/arm_cortexa9 - considering that a9 cores could
> be from 1 to 4 or so if my memory serves right -> btw, I wonder how SMP
> handling is done in u-boot today..
for arm I've only a theorical design as I've no SMP board for now
but I want to see SMP boot & AMP boot supported in Mainline

Best Regards,
J.