[PATCHv6 2/3] devicetree: Addition of the Altera SDRAM EDAC

Thor Thayer tthayer.linux at gmail.com
Sun Jun 22 11:31:51 PDT 2014


On Sat, Jun 21, 2014 at 4:06 AM, Steffen Trumtrar
<s.trumtrar at pengutronix.de> wrote:
> On Fri, Jun 20, 2014 at 06:22:02PM -0500, tthayer at altera.com wrote:
>> From: Thor Thayer <tthayer at altera.com>
>>
>> Addition of the Altera SDRAM EDAC bindings and device tree changes
>>
>> v2: Changes to SoC EDAC source code.
>>
>> v3: Fix typo in device tree documentation.
>>
>> v4,v5: No changes - bump version for consistency.
>>
>> v6: Assign ECC registers in SDRAM controller to EDAC
>>
>> Signed-off-by: Thor Thayer <tthayer at altera.com>
>> ---
>>  .../bindings/arm/altera/socfpga-sdram-edac.txt     |   15 +++++++++++++++
>>  arch/arm/boot/dts/socfpga.dtsi                     |    6 ++++++
>>  2 files changed, 21 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt
>>
>> diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt
>> new file mode 100644
>> index 0000000..540c9cf
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt
>> @@ -0,0 +1,15 @@
>> +Altera SOCFPGA SDRAM Error Detection & Correction [EDAC]
>> +
>> +Required properties:
>> +- compatible : should contain "altr,sdram-edac";
>> +- reg : should contain the ECC register range in sdram
>> +        controller (address and length).
>> +- interrupts : Should contain the SDRAM ECC IRQ in the
>> +     appropriate format for the IRQ controller.
>> +
>> +Example:
>> +     sdramedac at 0 {
>> +             compatible = "altr,sdram-edac";
>> +             reg = <0xffc2502C 0x28>;
>> +             interrupts = <0 39 4>;
>> +     };
>> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
>> index 310292e..fe9832e 100644
>> --- a/arch/arm/boot/dts/socfpga.dtsi
>> +++ b/arch/arm/boot/dts/socfpga.dtsi
>> @@ -687,6 +687,12 @@
>>                       reg = <0xffc25000 0x4>;
>>               };
>>
>> +             sdramedac at 0 {
>                          ^^^
>
> Please fix the baseaddress (also in the binding doc).
>

Thanks. Good catch. I will fix this.

>> +                     compatible = "altr,sdram-edac";
>> +                     reg = <0xffc2502C 0x28>;
>> +                     interrupts = <0 39 4>;
>> +             };
>> +
>>               rst: rstmgr at ffd05000 {
>>                       compatible = "altr,rst-mgr";
>>                       reg = <0xffd05000 0x1000>;
>
> --
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