[U-Boot] [PATCH V12 08/14] Add cache functions to SPL for armv7

[Aneesh V]

Hi Stefano,

On Wednesday 04 January 2012 09:25 AM, Stefano Babic wrote:
> Signed-off-by: Stefano Babic<sbabic at denx.de>
> CC: Tom Rini<tom.rini at gmail.com>
> CC: Wolfgang Denk<wd at denx.de>
> CC: Simon Schwarz<simonschwarzcor at gmail.com>
> ---
>
> Changes since V11:
>
> - enable cache files in Makefile after checking build for OMAP4/5

How are you allocating memory for the page-tables(gd->tlb_addr)? Also
we need to take care of the complexities when u-boot runs after SPL.
Please have a look at this.

http://article.gmane.org/gmane.comp.boot-loaders.u-boot/100012/match=spl+cache

>
>   arch/arm/cpu/armv7/Makefile |    2 --
>   arch/arm/cpu/armv7/cpu.c    |    2 ++
>   arch/arm/lib/Makefile       |    5 +++--
>   3 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
> index f97fa3d..6b2addc 100644
> --- a/arch/arm/cpu/armv7/Makefile
> +++ b/arch/arm/cpu/armv7/Makefile
> @@ -27,9 +27,7 @@ LIB	= $(obj)lib$(CPU).o
>
>   START	:= start.o
>
> -ifndef CONFIG_SPL_BUILD
>   COBJS	+= cache_v7.o
> -endif
>
>   COBJS	+= cpu.o
>   COBJS	+= syslib.o
> diff --git a/arch/arm/cpu/armv7/cpu.c b/arch/arm/cpu/armv7/cpu.c
> index 662c496..c6fa8ef 100644
> --- a/arch/arm/cpu/armv7/cpu.c
> +++ b/arch/arm/cpu/armv7/cpu.c
> @@ -52,7 +52,9 @@ int cleanup_before_linux(void)
>   	 *
>   	 * we turn off caches etc ...
>   	 */
> +#ifndef CONFIG_SPL_BUILD
>   	disable_interrupts();
> +#endif
>
>   	/*
>   	 * Turn off I-cache and invalidate it
> diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
> index 300c8fa..39a9550 100644
> --- a/arch/arm/lib/Makefile
> +++ b/arch/arm/lib/Makefile
> @@ -39,8 +39,6 @@ GLCOBJS	+= div0.o
>
>   COBJS-y	+= board.o
>   COBJS-y	+= bootm.o
> -COBJS-y	+= cache.o
> -COBJS-y	+= cache-cp15.o
>   COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
>   COBJS-y	+= interrupts.o
>   COBJS-y	+= reset.o
> @@ -48,6 +46,9 @@ SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o
>   SOBJS-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o
>   endif
>
> +COBJS-y	+= cache.o
> +COBJS-y	+= cache-cp15.o
> +
>   SRCS	:= $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \
>   	   $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
>   OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))