[U-Boot] Uboot and ARM SMP support

Pandita, Vikram
2009-06-25T13:02:13Z

Adding Santosh to loop who has pushed the OMAP4 SMP support into Kernel.org

>-----Original Message-----
>From: Jean-Christophe PLAGNIOL-VILLARD [mailto:plagnioj at jcrosoft.com]
>Sent: Thursday, June 25, 2009 7:44 AM
>To: Nishanth Menon
>Cc: Sudeep K N; u-boot at lists.denx.de; Pandita, Vikram; Tom
>Subject: Re: [U-Boot] Uboot and ARM SMP support
>
>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.