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: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2025-07-10 01:13:58 +02:00
parent f1358b1344
commit 65ef237e48

View file

@ -0,0 +1,362 @@
// 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";
};
};