Commit 65ef237e authored by Thierry Reding's avatar Thierry Reding
Browse files

arm64: tegra: Add Tegra264 support

Add basic support for the Tegra264 SoC, sufficient for booting into an
initial ramdisk.

Link: https://lore.kernel.org/r/20250709231401.3767130-2-thierry.reding@gmail.com


Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent f1358b13
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// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

#include <dt-bindings/clock/nvidia,tegra264.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mailbox/tegra186-hsp.h>
#include <dt-bindings/reset/nvidia,tegra264.h>

/ {
	compatible = "nvidia,tegra264";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;
	numa-node-id = <0>;

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		shmem_bpmp: shmem@86070000 {
			compatible = "nvidia,tegra264-bpmp-shmem";
			reg = <0x0 0x86070000 0x0 0x2000>;
			no-map;
		};
	};

	/* SYSTEM MMIO */
	bus@0 {
		compatible = "simple-bus";

		#address-cells = <2>;
		#size-cells = <2>;

		ranges = <0x00 0x00000000 0x00 0x00000000 0x01 0x00000000>;

		misc@100000 {
			compatible = "nvidia,tegra234-misc";
			reg = <0x0 0x00100000 0x0 0x0f000>,
			      <0x0 0x0c140000 0x0 0x10000>;
		};

		timer@8000000 {
			compatible = "nvidia,tegra234-timer";
			reg = <0x0 0x08000000 0x0 0x140000>;
			interrupts = <GIC_SPI 773 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 774 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 775 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 776 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
		};

		gpcdma: dma-controller@8400000 {
			compatible = "nvidia,tegra264-gpcdma", "nvidia,tegra186-gpcdma";
			reg = <0x0 0x08400000 0x0 0x210000>;
			interrupts = <GIC_SPI 584 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 585 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 586 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 587 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 588 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 589 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 590 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 591 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 592 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 593 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 594 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 595 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 596 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 597 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 598 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 599 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 600 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 606 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 607 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 609 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 610 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 611 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 612 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 613 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 615 IRQ_TYPE_LEVEL_HIGH>;
			#dma-cells = <1>;
			iommus = <&smmu1 0x00000800>;
			dma-coherent;
			dma-channel-mask = <0xfffffffe>;
			status = "disabled";
		};

		hsp_top: hsp@8800000 {
			compatible = "nvidia,tegra264-hsp";
			reg = <0x0 0x08800000 0x0 0xd0000>;
			interrupts = <GIC_SPI 620 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 622 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 623 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 624 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 625 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 626 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 637 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 638 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 639 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "doorbell", "shared0", "shared1", "shared2",
					  "shared3", "shared4", "shared5", "shared6",
					  "shared7";
			#mbox-cells = <2>;
		};

		rtc: rtc@c2c0000 {
			compatible = "nvidia,tegra264-rtc", "nvidia,tegra20-rtc";
			reg = <0x0 0x0c2c0000 0x0 0x10000>;
			interrupt-parent = <&pmc>;
			interrupts = <65 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&bpmp TEGRA264_CLK_CLK_S>;
			clock-names = "rtc";
			status = "disabled";
		};

		serial@c4e0000 {
			compatible = "nvidia,tegra264-utc";
			reg = <0x0 0x0c4e0000 0x0 0x8000>,
			      <0x0 0x0c4e8000 0x0 0x8000>;
			reg-names = "tx", "rx";
			interrupts = <GIC_SPI 515 IRQ_TYPE_LEVEL_HIGH>;
			rx-threshold = <4>;
			tx-threshold = <4>;
			status = "disabled";
		};

		serial@c5a0000 {
			compatible = "nvidia,tegra264-utc";
			reg = <0x0 0x0c5a0000 0x0 0x8000>,
			      <0x0 0x0c5a8000 0x0 0x8000>;
			reg-names = "tx", "rx";
			interrupts = <GIC_SPI 527 IRQ_TYPE_LEVEL_HIGH>;
			rx-threshold = <4>;
			tx-threshold = <4>;
			status = "disabled";
		};

		uart0: serial@c5f0000 {
			compatible = "arm,sbsa-uart";
			reg = <0x0 0x0c5f0000 0x0 0x10000>;
			interrupts = <GIC_SPI 514 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
		};

		pmc: pmc@c800000 {
			compatible = "nvidia,tegra264-pmc";
			reg = <0x0 0x0c800000 0x0 0x100000>,
			      <0x0 0x0c990000 0x0 0x10000>,
			      <0x0 0x0ca00000 0x0 0x10000>,
			      <0x0 0x0c980000 0x0 0x10000>,
			      <0x0 0x0c9c0000 0x0 0x40000>;
			reg-names = "pmc", "wake", "aotag", "scratch", "misc";
			#interrupt-cells = <2>;
			interrupt-controller;
		};
	};

	/* TOP_MMIO */
	bus@8100000000 {
		compatible = "simple-bus";

		#address-cells = <2>;
		#size-cells = <2>;

		ranges = <0x00 0x00000000 0x81 0x00000000 0x01 0x00000000>, /* MMIO */
			 <0x01 0x00000000 0x00 0x20000000 0x00 0x40000000>, /* non-prefetchable memory (32-bit) */
			 <0x02 0x00000000 0xd0 0x00000000 0x08 0x80000000>; /* ECAM, prefetchable memory, I/O */

		smmu1: iommu@5000000 {
			compatible = "arm,smmu-v3";
			reg = <0x00 0x5000000 0x0 0x200000>;
			interrupts = <GIC_SPI 12 IRQ_TYPE_EDGE_RISING>,
				     <GIC_SPI 13 IRQ_TYPE_EDGE_RISING>;
			interrupt-names = "eventq", "gerror";
			status = "disabled";

			#iommu-cells = <1>;
			dma-coherent;
		};

		smmu2: iommu@6000000 {
			compatible = "arm,smmu-v3";
			reg = <0x00 0x6000000 0x0 0x200000>;
			interrupts = <GIC_SPI 1 IRQ_TYPE_EDGE_RISING>,
				     <GIC_SPI 2 IRQ_TYPE_EDGE_RISING>;
			interrupt-names = "eventq", "gerror";
			status = "disabled";

			#iommu-cells = <1>;
			dma-coherent;
		};

		smmu0: iommu@a000000 {
			compatible = "arm,smmu-v3";
			reg = <0x00 0xa000000 0x0 0x200000>;
			interrupts = <GIC_SPI 21 IRQ_TYPE_EDGE_RISING>,
				     <GIC_SPI 22 IRQ_TYPE_EDGE_RISING>;
			interrupt-names = "eventq", "gerror";
			status = "disabled";

			#iommu-cells = <1>;
			dma-coherent;
		};

		smmu4: iommu@b000000 {
			compatible = "arm,smmu-v3";
			reg = <0x00 0xb000000 0x0 0x200000>;
			interrupts = <GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,
				     <GIC_SPI 31 IRQ_TYPE_EDGE_RISING>;
			interrupt-names = "eventq", "gerror";
			status = "disabled";

			#iommu-cells = <1>;
			dma-coherent;
		};

		gic: interrupt-controller@46000000 {
			compatible = "arm,gic-v3";
			reg = <0x00 0x46000000 0x0 0x010000>, /* GICD */
			      <0x00 0x46080000 0x0 0x400000>; /* GICR */
			interrupt-parent = <&gic>;
			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;

			redistributor-stride = <0x0 0x40000>;
			#redistributor-regions = <1>;
			#interrupt-cells = <3>;
			interrupt-controller;

			#address-cells = <2>;
			#size-cells = <2>;

			ranges = <0x0 0x0 0x00 0x46000000 0x0 0x1000000>;

			its: msi-controller@40000 {
				compatible = "arm,gic-v3-its";
				reg = <0x0 0x40000 0x0 0x40000>;
				#msi-cells = <1>;
				msi-controller;
			};
		};
	};

	/* DISP_USB MMIO */
	bus@8800000000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;

		ranges = <0x00 0x00000000 0x88 0x00000000 0x01 0x00000000>;

		smmu3: iommu@6000000 {
			compatible = "arm,smmu-v3";
			reg = <0x00 0x6000000 0x0 0x200000>;
			interrupts = <GIC_SPI 225 IRQ_TYPE_EDGE_RISING>,
				     <GIC_SPI 226 IRQ_TYPE_EDGE_RISING>;
			interrupt-names = "eventq", "gerror";
			status = "disabled";

			#iommu-cells = <1>;
			dma-coherent;
		};
	};

	/* UPHY MMIO */
	bus@a800000000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;

		ranges = <0x00 0x00000000 0xa8 0x00000000 0x40 0x00000000>, /* MMIO, ECAM, prefetchable memory, I/O */
			 <0x80 0x00000000 0x00 0x20000000 0x00 0x40000000>; /* non-prefetchable memory (32-bit) */
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			compatible = "arm,armv8";
			device_type = "cpu";
			reg = <0x00000>;
			status = "okay";

			enable-method = "psci";
			numa-node-id = <0>;

			i-cache-size = <65536>;
			i-cache-line-size = <64>;
			i-cache-sets = <256>;
			d-cache-size = <65536>;
			d-cache-line-size = <64>;
			d-cache-sets = <256>;
		};

		cpu1: cpu@1 {
			compatible = "arm,armv8";
			device_type = "cpu";
			reg = <0x10000>;
			status = "okay";

			enable-method = "psci";
			numa-node-id = <0>;

			i-cache-size = <65536>;
			i-cache-line-size = <64>;
			i-cache-sets = <256>;
			d-cache-size = <65536>;
			d-cache-line-size = <64>;
			d-cache-sets = <256>;
		};
	};

	bpmp: bpmp {
		compatible = "nvidia,tegra264-bpmp", "nvidia,tegra186-bpmp";
		mboxes = <&hsp_top TEGRA_HSP_MBOX_TYPE_DB
				   TEGRA_HSP_DB_MASTER_BPMP>;
		memory-region = <&shmem_bpmp>;
		#clock-cells = <1>;
		#reset-cells = <1>;
		#power-domain-cells = <1>;

		i2c {
			compatible = "nvidia,tegra186-bpmp-i2c";
			nvidia,bpmp-bus-id = <5>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		thermal {
			compatible = "nvidia,tegra186-bpmp-thermal";
			#thermal-sensor-cells = <1>;
		};
	};

	pmu {
		compatible = "arm,armv8-pmuv3";
		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
		status = "okay";
	};

	psci {
		compatible = "arm,psci-1.0";
		status = "okay";
		method = "smc";
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
		status = "okay";
	};
};