linux-kernel - Re: [PATCH] arm64: dts: imx8qm: add smmu node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210809081628.GT30984@dragon>
Date:   Mon, 9 Aug 2021 16:16:29 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     robh+dt@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, p.zabel@...gutronix.de,
        l.stach@...gutronix.de, krzk@...nel.org, agx@...xcpu.org,
        marex@...x.de, andrew.smirnov@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, aisheng.dong@....com,
        Peng Fan <peng.fan@....com>
Subject: Re: [PATCH] arm64: dts: imx8qm: add smmu node

On Sat, Aug 07, 2021 at 06:45:17PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> i.MX8QM has an iommu unit: SMMU-V2(mmu-500), add it.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8qm.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> index aebbe2b84aa1..b8ffd5be6a3e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> @@ -165,6 +165,22 @@ iomuxc: pinctrl {
>  
>  	};
>  
> +	smmu: iommu@...00000 {
> +		compatible = "arm,mmu-500";
> +		reg = <0 0x51400000 0 0x40000>;
> +		#iommu-cells = <2>;
> +		#global-interrupts = <1>;
> +		interrupts = <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>;

Use macro to make it more readable.

Shawn

> +	};
> +
>  	/* sorted in register address */
>  	#include "imx8-ss-img.dtsi"
>  	#include "imx8-ss-dma.dtsi"
> -- 
> 2.30.0
>