RE: [PATCH 1/3] OMAP4: SMP: Add OMAP4430 SMP board files

Thu, 07 May 2009 23:57:51 -0700 


> Subject: RE: [PATCH 1/3] OMAP4: SMP: Add OMAP4430 SMP board files
> 
> 
> > -----Original Message-----
> > From: V, Hemanth
> > Sent: Friday, May 08, 2009 11:16 AM
> > To: Shilimkar, Santosh; [email protected]
> > Cc: [email protected]
> > Subject: Re: [PATCH 1/3] OMAP4: SMP: Add OMAP4430 SMP board files
> >
>
> >>U-boot has no knowledge of secondary CPUs. Kernel takes 
> care of it with 
> >>help of ROM code.
> 
> For my information could you pl point to the routine which 
> does this, i.e 
> enable instruction cache on the secondary cpu. 
This is done using __enable_mmu in head.S. Bye the way even if the u-boot don't 
enable I-cache , D-caches, kernel does that anyways depending on settings.--
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