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

Chen-Yu Tsai
2015-11-24T03:13:41Z

Hi,

On Mon, Nov 23, 2015 at 8:43 PM, Maxime Ripard
<maxime.ripard@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@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@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