linux-kernel - Re: [PATCH v6 1/3] ARM: dts: nuvoton: Add memory controller node

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Message-ID: <c73bf178-f5bd-01c6-209d-051706112877@molgen.mpg.de>
Date:   Sat, 9 Apr 2022 07:57:39 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Medad CChien <medadyoung@...il.com>
Cc:     rric@...nel.org, james.morse@....com, tony.luck@...el.com,
        mchehab@...nel.org, bp@...en8.de, robh+dt@...nel.org,
        benjaminfair@...gle.com, yuenn@...gle.com, venture@...gle.com,
        KWLIU@...oton.com, YSCHU@...oton.com, JJLIU0@...oton.com,
        KFTING@...oton.com, avifishman70@...il.com, tmaimon77@...il.com,
        tali.perry1@...il.com, ctcchien@...oton.com,
        devicetree@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org
Subject: Re: [PATCH v6 1/3] ARM: dts: nuvoton: Add memory controller node

Dear Medad,


Thank you for the patch.

Am 22.03.22 um 04:01 schrieb Medad CChien:
> ECC must be configured in the BootBlock header.

bootblock

I search for *bootblock* in Linux and the git commit messages, and does 
not seem to be a common term. Is that term used in the datasheet?

> Then, you can read error counts via
> the EDAC kernel framework.

Please reflow for 75 characters per line. (Also, there is no need to 
break lines after a sentence, unless 75 characters are reached or a new 
paragraph starts.)

Tested on what board?

> Signed-off-by: Medad CChien <ctcchien@...oton.com>

Out of curiosity, is the first C in CChien the letter of your middle 
name, or the last name really spelled with two capital letters in the 
beginning?

> ---
>   arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi
> index 3696980a3da1..ba542b26941e 100644
> --- a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi
> +++ b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi
> @@ -106,6 +106,13 @@
>   		interrupt-parent = <&gic>;
>   		ranges;
>   
> +		mc: memory-controller@...24000 {
> +			compatible = "nuvoton,npcm750-memory-controller";
> +			reg = <0x0 0xf0824000 0x0 0x1000>;

Is f0824000 from some datasheet?

> +			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> +			status = "disabled";
> +		};
> +
>   		rstc: rstc@...01000 {
>   			compatible = "nuvoton,npcm750-reset";
>   			reg = <0xf0801000 0x70>;


Kind regards,

Paul