[U-Boot] [PATCH 2/3] ARM: ARM1136 - Remove flush_cache from arch/arm/lib/cache.c

Marek Vasut marek.vasut at gmail.com
Thu Aug 11 06:40:33 CEST 2011


On Thursday, August 11, 2011 04:19:47 AM Hong Xu wrote:
> arch/arm/lib/cache.c is cleaned and no real cache operation will be
> defined in this file. So a new file arch/arm/cpu/arm1136/cache.c is
> created. This file will define the real cache operations.
> 
> Signed-off-by: Hong Xu <hong.xu at atmel.com>
> Tested-by: Elen Song <elen.song at atmel.com>
> CC: Albert Aribaud <albert.u.boot at aribaud.net>
> CC: Aneesh V <aneesh at ti.com>
> CC: Marek Vasut <marek.vasut at gmail.com>
> CC: Reinhard Meyer <u-boot at emk-elektronik.de>
> CC: Heiko Schocher <hs at denx.de>
> ---
>  arch/arm/cpu/arm1136/Makefile |    2 +-
>  arch/arm/cpu/arm1136/cache.c  |   33 +++++++++++++++++++++++++++++++++
>  2 files changed, 34 insertions(+), 1 deletions(-)
>  create mode 100644 arch/arm/cpu/arm1136/cache.c
> 
> diff --git a/arch/arm/cpu/arm1136/Makefile b/arch/arm/cpu/arm1136/Makefile
> index 930e0d1..5b5f330 100644
> --- a/arch/arm/cpu/arm1136/Makefile
> +++ b/arch/arm/cpu/arm1136/Makefile
> @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
>  LIB	= $(obj)lib$(CPU).o
> 
>  START	= start.o
> -COBJS	= cpu.o
> +COBJS	= cpu.o cache.o
> 
>  SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
>  OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
> diff --git a/arch/arm/cpu/arm1136/cache.c b/arch/arm/cpu/arm1136/cache.c
> new file mode 100644
> index 0000000..02aa266
> --- /dev/null
> +++ b/arch/arm/cpu/arm1136/cache.c
> @@ -0,0 +1,33 @@
> +/*
> + * (C) Copyright 2002
> + * Wolfgang Denk, DENX Software Engineering, wd at denx.de.

Really ?

> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <common.h>
> +
> +void flush_cache(unsigned long start, unsigned long size)
> +{
> +#if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136)

Hm, this is in cpu/arm1136/cache.c ... do we need the macro ?

You can test if this breaks anything by MAKEALL script in uboot tree.

> +	void arm1136_cache_flush(void);
> +
> +	arm1136_cache_flush();
> +#endif
> +}


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