From mboxrd@z Thu Jan  1 00:00:00 1970
From: moon9124@samsung.com (Daein Moon)
Date: Fri, 15 Oct 2010 15:37:39 +0900
Subject: [PATCH 1/2] ARM: S5PV310: Add support SROMC
In-Reply-To: <00e301cb6ad7$3842b5c0$a8c82140$%szyprowski@samsung.com>
References: <1286972144-763-1-git-send-email-sbkim73@samsung.com>
	<1286972144-763-2-git-send-email-sbkim73@samsung.com>
	<00e301cb6ad7$3842b5c0$a8c82140$%szyprowski@samsung.com>
Message-ID: <007c01cb6c33$7653dad0$62fb9070$@com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Marek Szyprowski wrote:
> 
> Hello,
> 
> On Wednesday, October 13, 2010 2:16 PM Sangbeom Kim wrote:
> 
> > From: Daein Moon <moon9124@samsung.com>
> >
> > This patch adds support SROMC for S5PV310 and S5PC210.
> >
> > Signed-off-by: Daein Moon <moon9124@samsung.com>
> > Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
> > ---
> >  arch/arm/mach-s5pv310/cpu.c                    |    5 ++
> >  arch/arm/mach-s5pv310/include/mach/map.h       |    4 ++
> >  arch/arm/mach-s5pv310/include/mach/regs-srom.h |   50
> ++++++++++++++++++++++++
> >  3 files changed, 59 insertions(+), 0 deletions(-)
> >  create mode 100644 arch/arm/mach-s5pv310/include/mach/regs-srom.h
> >
> > diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
> > index ffed262..873783a 100644
> > --- a/arch/arm/mach-s5pv310/cpu.c
> > +++ b/arch/arm/mach-s5pv310/cpu.c
> > @@ -81,6 +81,11 @@ static struct map_desc s5pv310_iodesc[] __initdata =
> {
> >  		.pfn		= __phys_to_pfn(S3C_PA_UART),
> >  		.length		= SZ_512K,
> >  		.type		= MT_DEVICE,
> > +	}, {
> > +		.virtual	= (unsigned long)S5P_VA_SROMC,
> > +		.pfn		= __phys_to_pfn(S5PV310_PA_SROMC),
> > +		.length		= SZ_4K,
> > +		.type		= MT_DEVICE,
> >  	},
> >  };
> 
> Do You really need to make a permanent mapping for the SROMC area? Cannot
the
> setup code in the mach-smdk*.c call ioremap(S5PV310_PA_SROMC) and put the
address it
> got to the ethernet device? This area will be probably useless for boards
other than
> SMDK.
> 
Hi,

It seems to be useless because only ethernet device uses the SROM interface.
Will this mapping be ready for devices that will use the SROM interface in
boards
other than SMDK?

Best regards,
Daein Moon

> <snip>
> 
> Best regards
> --
> Marek Szyprowski
> Samsung Poland R&D Center
> 
> 
> 
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