Re: [PATCH v2 1/5] ARM: dts: sun8i: Add SID node

[Sugar Wu <shugelinux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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On Monday, November 23, 2015 at 8:43:59 PM UTC+8, Maxime Ripard wrote:
>
> Hi, 
>
> On Mon, Nov 23, 2015 at 09:02:48AM +0100, Josef Gajdusek wrote: 
> > Add a node describing the Security ID memory to the 
> > Allwinner H3 .dtsi file. 
> > 
> > Signed-off-by: Josef Gajdusek <a...-MwjtXicnQwU@public.gmane.org <javascript:>> 
> > --- 
> >  arch/arm/boot/dts/sun8i-h3.dtsi | 7 +++++++ 
> >  1 file changed, 7 insertions(+) 
> > 
> > diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi 
> b/arch/arm/boot/dts/sun8i-h3.dtsi 
> > index 0faa38a..58de718 100644 
> > --- a/arch/arm/boot/dts/sun8i-h3.dtsi 
> > +++ b/arch/arm/boot/dts/sun8i-h3.dtsi 
> > @@ -359,6 +359,13 @@ 
> >                          #size-cells = <0>; 
> >                  }; 
> >   
> > +                sid: eeprom@01c14000 { 
> > +                        compatible = "allwinner,sun4i-a10-sid"; 
> > +                        reg = <0x01c14000 0x400>; 
>
> The datasheet says it's 256 bytes wide, while the size here is of 1kB, 
> is it intentional? 

SID memory map is 0x01c14000 ~ 0x01c143FF, include 2048bits efuse space.
H3 efuse space is SID_SRAM, its range is  0x01c14200 ~ +0x100.

>  
>
Thanks, 
> Maxime 
>
> -- 
> Maxime Ripard, Free Electrons 
> Embedded Linux, Kernel and Android engineering 
> http://free-electrons.com 
>

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