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Date: Fri, 11 Jan 2019 16:39:58 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Nipun Gupta <nipun.gupta@....com>
Cc: Leo Li <leoyang.li@....com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"robin.murphy@....com" <robin.murphy@....com>,
"will.deacon@....com" <will.deacon@....com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: ls1088: add smmu device node
On Tue, Dec 18, 2018 at 04:51:58AM +0000, Nipun Gupta wrote:
> This patch also adds the iommu-map property in fsl-mc node, so
> that fsl-mc can use iommu.
>
> Signed-off-by: Nipun Gupta <nipun.gupta@....com>
> ---
> These patches are based over:
> git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git,
> as there are couple of changes related to fsl-mc bus in this tree:
> https://lore.kernel.org/patchwork/patch/1021020/
>
> arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 92 +++++++++++++++++++++++++-
> 1 file changed, 91 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index de93b42..dec0c2d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -576,6 +576,7 @@
> reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal base */
> <0x00000000 0x08340000 0 0x40000>; /* MC control reg */
> msi-parent = <&its>;
> + iommu-map = <0 &smmu 0 0>; /* This is fixed-up by u-boot */
> #address-cells = <3>;
> #size-cells = <1>;
>
> @@ -641,6 +642,96 @@
> };
> };
> };
> +
> + smmu: iommu@...0000 {
We are trying to keep the nodes with unit-address sorted in the address.
I move the node to where it should be, and applied both patches.
Shawn
> + compatible = "arm,mmu-500";
> + reg = <0 0x5000000 0 0x800000>;
> + #iommu-cells = <1>;
> + stream-match-mask = <0x7C00>;
> + #global-interrupts = <12>;
> + // global secure fault
> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
> + // combined secure
> + <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
> + // global non-secure fault
> + <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
> + // combined non-secure
> + <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> + // performance counter interrupts 0-7
> + <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
> + // per context interrupt, 64 interrupts
> + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 175 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
> + };
> };
>
> firmware {
> @@ -649,5 +740,4 @@
> method = "smc";
> };
> };
> -
> };
> --
> 1.9.1
>
>
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> linux-arm-kernel@...ts.infradead.org
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