For SoCs, it depends on how the system design intends to make use of the two processors.
If the design intends to use them as AMP, you should run u-boot for each processor in sequence to init their peripherals. In this case, you can adapt u-boot deriving from the openzoom source. If as SMP, you can run u-boot on one core and make the other core regardless for U-Boot, and make the other working when linux boots. Anyway, you have to read through the chapters of the SoC spec on how the two processors are intended to co-work to make this more clear. I can't get the SPECs, and I cannot give you more information. Denk could give more details, for MPC85xx multi processor implementation:-) Best Regards Dinny On Wed, Jan 7, 2009 at 1:27 PM, Naveen Kumar GADDIPATI <[email protected]> wrote: > > Hi dinny, > > Thanks for your reply. > We are working on arm-cortex A9(single core).The product has two such single > cores. > Could we start using this coretex A8 uboot source code? > > Regards, > Naveen > -----Original Message----- > From: dinny [mailto:[email protected]] > Sent: Wednesday, January 07, 2009 7:20 AM > To: Naveen Kumar GADDIPATI > Cc: [email protected] > Subject: Re: [U-Boot] help > > Hi Naveen, > > Do you use a cortex A9 single core or multicore product? If you are using a > cortex A9 single core, you can have a look at omap zoom u-boot implementation > as a reference. It's based on TI's omap3430, a Cortex > A8 core. Although there should be some difference on the internal > architecture design, I don't think it makes much difference for software > implementation. > > Best Regards > Dinny > > On Tue, Jan 6, 2009 at 4:28 PM, Naveen Kumar GADDIPATI > <[email protected]> wrote: >> Hi, >> >> I'm working for arm cortex A9 processor.Do we have any uboot source >> code support for cortex A9 processor? >> >> eMMC >> Do we have any patch or source code for eMMC in uboot? >> >> Thanks and Regards, >> Naveen >> >> _______________________________________________ >> U-Boot mailing list >> [email protected] >> http://lists.denx.de/mailman/listinfo/u-boot >> > > > > -- > what we need is passion, chance, and companions. > > -- what we need is passion, chance, and companions. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
