RE: [PATCH v4 4/4] arm64: zynqmp: Add DDRC node
From: Manish Narani
Date: Sat Aug 18 2018 - 06:13:36 EST
Ping.
> -----Original Message-----
> From: Manish Narani [mailto:manish.narani@xxxxxxxxxx]
> Sent: Saturday, August 4, 2018 2:56 PM
> To: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; catalin.marinas@xxxxxxx;
> will.deacon@xxxxxxx; Michal Simek <michals@xxxxxxxxxx>; bp@xxxxxxxxx;
> mchehab@xxxxxxxxxx; mdf@xxxxxxxxxx; Edgar Iglesias <edgari@xxxxxxxxxx>;
> Shubhrajyoti Datta <shubhraj@xxxxxxxxxx>; Naga Sureshkumar Relli
> <nagasure@xxxxxxxxxx>; Bharat Kumar Gogada <bharatku@xxxxxxxxxx>;
> stefan.krsmanovic@xxxxxxxxxx
> Cc: Srinivas Goud <sgoud@xxxxxxxxxx>; Anirudha Sarangi
> <anirudh@xxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> edac@xxxxxxxxxxxxxxx; Manish Narani <MNARANI@xxxxxxxxxx>
> Subject: [PATCH v4 4/4] arm64: zynqmp: Add DDRC node
>
> This patch adds ddrc memory controller node in dts. The size mentioned in dts
> is 0x30000, because we need to access DDR_QOS INTR registers located at
> fd090208 from this driver.
>
> Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index a091e6f..7d6a3cf 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -355,6 +355,13 @@
> xlnx,bus-width = <64>;
> };
>
> + mc: memory-controller@fd070000 {
> + compatible = "xlnx,zynqmp-ddrc-2.40a";
> + reg = <0x0 0xfd070000 0x0 0x30000>;
> + interrupt-parent = <&gic>;
> + interrupts = <0 112 4>;
> + };
> +
> gem0: ethernet@ff0b0000 {
> compatible = "cdns,zynqmp-gem", "cdns,gem";
> status = "disabled";
> --
> 2.1.1