[U-Boot] [U-Boot, v2] powerpc/mpc85xx:Disable Debug TLB entry before init_tlbs

Scott Wood
2013-06-21T20:59:38Z

On 06/21/2013 03:38:48 PM, Andy Fleming wrote:
> On Thu, Jun 13, 2013 at 10:14:00AM +0530, Prabhakar Kushwaha wrote:
> > init_tlbs() initialize all the TLB entries required for the system.
> >
> > So disable DEBUG TLB entry before TLB entries initialization.
> >
> > Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
>
> Applied, with fixes.
>
> > diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> > index f4403c2..340b063 100644
> > --- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> > +++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> > @@ -180,5 +180,9 @@ void cpu_init_early_f(void)
> >
> > invalidate_tlb(1);
> >
> > +#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) &&
> !defined(CONFIG_SPL_BUILD)
> > + disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB);
> > +#endif
>
> Had to add CONFIG_NAND_SPL here, as well, just for future reference

Why exclude all SPLs? Only minimal SPLs skip creating the debug TLB.

-Scott