From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sugar Wu Subject: Re: [PATCH v2 1/5] ARM: dts: sun8i: Add SID node Date: Mon, 23 Nov 2015 22:51:15 -0800 (PST) Message-ID: References: <20151123124356.GW32142@lukather> Reply-To: shugelinux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_7799_1307141804.1448347875675" Return-path: In-Reply-To: <20151123124356.GW32142@lukather> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: linux-sunxi Cc: atx-MwjtXicnQwU@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gpatchesrdh-I1/eAgTnXDYAvxtiuMwx3w@public.gmane.org, mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, emilio-0Z03zUJReD5OxF6Tv1QG9Q@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, rui.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org List-Id: devicetree@vger.kernel.org ------=_Part_7799_1307141804.1448347875675 Content-Type: multipart/alternative; boundary="----=_Part_7800_1893462329.1448347875675" ------=_Part_7800_1893462329.1448347875675 Content-Type: text/plain; charset=UTF-8 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 > > > --- > > 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 > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout. ------=_Part_7800_1893462329.1448347875675 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Monday, November 23, 2015 at 8:43:59 PM UTC+8, Maxime Ripard wro= te:
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.
>=20
> Signed-off-by: Josef Gajdusek <a...-MwjtXicnQwU@public.gmane.org>
> ---
> =C2=A0arch/arm/boot/dts/sun8i-h3.dtsi | 7 +++++++
> =C2=A01 file changed, 7 insertions(+)
>=20
> 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 @@
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0#size-cells =3D <0>;
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0};
> =C2=A0
> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0sid: eeprom@01c14000 {
> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0compatible =3D "allwinner,sun4i-a10-sid";
> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0reg =3D <0x01c14000 0x400>;

The datasheet says it's 256 bytes wide, while the size here is of 1= kB,
is it intentional?
SID memory map is 0x01c14000 ~ 0x0= 1c143FF, include 2048bits efuse space.
H3 efuse space is SID_SRAM= , its range is =C2=A00x01c14200 ~ +0x100.
=C2=A0
Thanks,
Maxime

--=20
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.c= om

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