diff options
| author | Jon Hunter <[email protected]> | 2021-12-01 15:57:16 +0000 |
|---|---|---|
| committer | Thierry Reding <[email protected]> | 2021-12-16 16:51:01 +0100 |
| commit | e762232f946679b6be60244d78079aa12cc5ed68 (patch) | |
| tree | c540b6a1c9085016d5eb0aa9e96e6fa37ac337f6 | |
| parent | f7eb2785728442cc349a68965bc3c9a869274336 (diff) | |
arm64: tegra: Add ISO SMMU controller for Tegra194
The display controllers are attached to a separate ARM SMMU instance
that is dedicated to servicing isochronous memory clients. Add this ISO
instance of the ARM SMMU to device tree.
Please note that the display controllers are not hooked up to this SMMU
yet, because we are still missing a means to transition framebuffers
used by the bootloader to the kernel.
This based upon an initial patch by Thierry Reding <[email protected]>.
Signed-off-by: Jon Hunter <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra194.dtsi | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index c97febf90ead..f9b1900088ad 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1508,6 +1508,82 @@ }; + iommu@10000000 { + compatible = "nvidia,tegra194-smmu", "nvidia,smmu-500"; + reg = <0x10000000 0x800000>; + interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>; + stream-match-mask = <0x7f80>; + #global-interrupts = <1>; + #iommu-cells = <1>; + + nvidia,memory-controller = <&mc>; + status = "okay"; + }; + smmu: iommu@12000000 { compatible = "nvidia,tegra194-smmu", "nvidia,smmu-500"; reg = <0x12000000 0x800000>, |