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

Chen-Yu Tsai wens at csie.org
Mon Nov 23 19:13:13 PST 2015


Hi,

On Mon, Nov 23, 2015 at 8:43 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> 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 <atx at atx.name>
>> ---
>>  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?

My H3 datasheet (v1.1) says its 1 kB wide.

It'd be nice if Allwinner actually listed the "usable" E-fuse offsets
and widths, instead of having us dig through the SDK code.

Regards
ChenYu



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