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

Maxime Ripard
2015-11-24T09:32:02Z

On Mon, Nov 23, 2015 at 10:51:15PM -0800, Sugar Wu wrote:
> 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...@atx.name <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 at 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.

Interesting, what is below the 0x200 registers?

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20151124/9323b0c9/attachment.sig>