Re: [PATCH] ARM pbl: Make usage of MMU in pbl optional

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 14:30 Wed 03 Oct     , Sascha Hauer wrote:
> On Wed, Oct 03, 2012 at 01:35:50PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 12:24 Wed 03 Oct     , Sascha Hauer wrote:
> > > Since this currently does not work on all boards make usage
> > > of the MMU in the pbl optional until this has been resolved.
> > > 
> > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> > > ---
> > >  arch/arm/cpu/start-pbl.c |    2 +-
> > >  common/Kconfig           |    5 +++++
> > >  2 files changed, 6 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c
> > > index 932a3da..ceb60ab 100644
> > > --- a/arch/arm/cpu/start-pbl.c
> > > +++ b/arch/arm/cpu/start-pbl.c
> > > @@ -116,7 +116,7 @@ static void mmu_disable(void)
> > >  static void barebox_uncompress(void *compressed_start, unsigned int len)
> > >  {
> > >  	void (*barebox)(void);
> > > -	int use_mmu = IS_ENABLED(CONFIG_MMU);
> > > +	int use_mmu = IS_ENABLED(CONFIG_PBL_USE_MMU);
> > >  
> > >  	/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
> > >  	free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
> > > diff --git a/common/Kconfig b/common/Kconfig
> > > index b97392c..7e4cf1f 100644
> > > --- a/common/Kconfig
> > > +++ b/common/Kconfig
> > > @@ -139,6 +139,11 @@ config IMAGE_COMPRESSION_GZIP
> > >  
> > >  endchoice
> > >  
> > > +config PBL_USE_MMU
> > > +	bool "Use MMU in PBL image"
> > default y if MMU
> 
> Can do, but can you then send a patch for the defconfigs which don't
> work with MMU in the pbl?

ok give one day to test all

Best Regards,
J.

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