linux-kernel - Re: [PATCH] ARM: dts: exynos: add CCI-400 PMU nodes support to Exynos542x SoCs

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Message-ID: <CAJKOXPeUYw2DNEzRfKGzTmNAtg5mHJObVFHygKJ2eUdDpAFmOQ@mail.gmail.com>
Date:   Tue, 16 Apr 2019 12:19:15 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Anand Moon <linux.amoon@...il.com>
Cc:     Willy Wolff <willy.mh.wolff.ml@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: exynos: add CCI-400 PMU nodes support to
 Exynos542x SoCs

On Mon, 15 Apr 2019 at 14:24, Anand Moon <linux.amoon@...il.com> wrote:
> Cache Coherent Interface (CCI) among Cortex-A15 and Cortex-A7, G2D, G3D and SSS
>
> Level 0 > CPU blocks such as Cortex-A15 (CA15), Cortex-A7 (CA7) are
> joined as the member of Level 0 CCI bus
>
> Level 1 > Display engine block (DISP) and 2D graphic engines (G2D) are
> directly connected to Level 1.
>   DISP, MDMA, SSS.
>
> Level 2 > While all the other IP is connected to Level 1 bus via Level 2 bus
>    G3D, MSCL, MFC, ISP, JPEG/Rotator/DMA/PERI, NAND/SD/EMMC.
>
> So my question is the mapped with the cci ip block correct.
> Level 0 (cci_control0)
> Level 1 (cci_control1)
> Level 2 (cci_control1)

Hi Anand,

I do not understand the question - what is mapped with correctly or not?

Best regards,
Krzysztof