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From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] tegra2: Enable data cache
Date: Fri, 9 Sep 2011 02:30:54 +0200	[thread overview]
Message-ID: <201109090230.55026.marek.vasut@gmail.com> (raw)
In-Reply-To: <201109082025.47884.vapier@gentoo.org>

On Friday, September 09, 2011 02:25:46 AM Mike Frysinger wrote:
> On Thursday, September 08, 2011 18:20:16 Simon Glass wrote:
> > --- a/board/nvidia/common/board.c
> > +++ b/board/nvidia/common/board.c
> > @@ -307,3 +307,11 @@ int board_mmc_getcd(u8 *cd, struct mmc *mmc)
> > 
> >  	return 0;
> >  
> >  }
> >  #endif
> > 
> > +
> > +#ifndef CONFIG_SYS_DCACHE_OFF
> > +void enable_caches(void)
> > +{
> > +	/* Enable D-cache. I-cache is already enabled in start.S */
> > +	dcache_enable();
> > +}
> > +#endif
> 
> not specific to your patch, but this seems kind of dumb to copy & paste the
> same thing between all the arm sub arches/boards.  why cant the default
> enable_caches() look like this for arm:
> void enable_caches(void)
> {
> #ifndef CONFIG_SYS_DCACHE_OFF
> 	dcache_enable();
> #endif
> #ifndef CONFIG_SYS_ICACHE_OFF
> 	icache_enable();
> #endif
> }
> -mike

Makes sense ... and also, we won't eventually need this "enable_caches()" at all 
in cpu-directories. It can then be moved to lib/.

  reply	other threads:[~2011-09-09  0:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-08 22:20 [U-Boot] [PATCH] tegra2: Enable data cache Simon Glass
2011-09-09  0:25 ` Mike Frysinger
2011-09-09  0:30   ` Marek Vasut [this message]
2011-09-09  3:10     ` Simon Glass
2011-09-14 13:10   ` Aneesh V
2011-09-14 15:13     ` Simon Glass
2011-09-15  3:03       ` Mike Frysinger
2011-09-15 16:21         ` Albert ARIBAUD
2011-09-15 16:31           ` Mike Frysinger
2011-09-15 17:30             ` Albert ARIBAUD
2011-09-15 17:41               ` Mike Frysinger
2011-09-21 21:27                 ` Simon Glass

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