mirror of
https://github.com/AsahiLinux/u-boot
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7b4116f8f7
ao-secure node can be used to get information about the board, so, for example, using show_board_info() we can get following information for board with Meson A1 SoC: SoC: Amlogic Meson A1 (A113L) Revision 2c:a (1:a) Signed-off-by: Alexey Romanov <avromanov@salutedevices.com> Link: https://lore.kernel.org/r/20231010100623.74475-3-avromanov@salutedevices.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
172 lines
3.7 KiB
Text
172 lines
3.7 KiB
Text
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/gpio/meson-a1-gpio.h>
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/ {
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compatible = "amlogic,a1";
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interrupt-parent = <&gic>;
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#address-cells = <2>;
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#size-cells = <2>;
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cpus {
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#address-cells = <2>;
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#size-cells = <0>;
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cpu0: cpu@0 {
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device_type = "cpu";
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compatible = "arm,cortex-a35";
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reg = <0x0 0x0>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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cpu1: cpu@1 {
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device_type = "cpu";
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compatible = "arm,cortex-a35";
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reg = <0x0 0x1>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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l2: l2-cache0 {
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compatible = "cache";
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cache-level = <2>;
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};
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};
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psci {
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compatible = "arm,psci-1.0";
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method = "smc";
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};
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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linux,cma {
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compatible = "shared-dma-pool";
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reusable;
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size = <0x0 0x800000>;
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alignment = <0x0 0x400000>;
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linux,cma-default;
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};
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};
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sm: secure-monitor {
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compatible = "amlogic,meson-gxbb-sm";
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pwrc: power-controller {
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compatible = "amlogic,meson-a1-pwrc";
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#power-domain-cells = <1>;
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status = "okay";
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};
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};
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soc {
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compatible = "simple-bus";
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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apb: bus@fe000000 {
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compatible = "simple-bus";
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reg = <0x0 0xfe000000 0x0 0x1000000>;
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#address-cells = <2>;
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#size-cells = <2>;
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ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
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reset: reset-controller@0 {
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compatible = "amlogic,meson-a1-reset";
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reg = <0x0 0x0 0x0 0x8c>;
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#reset-cells = <1>;
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};
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periphs_pinctrl: pinctrl@400 {
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compatible = "amlogic,meson-a1-periphs-pinctrl";
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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gpio: bank@400 {
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reg = <0x0 0x0400 0x0 0x003c>,
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<0x0 0x0480 0x0 0x0118>;
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reg-names = "mux", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&periphs_pinctrl 0 0 62>;
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};
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};
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uart_AO: serial@1c00 {
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compatible = "amlogic,meson-gx-uart",
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"amlogic,meson-ao-uart";
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reg = <0x0 0x1c00 0x0 0x18>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
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clocks = <&xtal>, <&xtal>, <&xtal>;
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clock-names = "xtal", "pclk", "baud";
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status = "disabled";
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};
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uart_AO_B: serial@2000 {
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compatible = "amlogic,meson-gx-uart",
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"amlogic,meson-ao-uart";
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reg = <0x0 0x2000 0x0 0x18>;
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interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
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clocks = <&xtal>, <&xtal>, <&xtal>;
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clock-names = "xtal", "pclk", "baud";
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status = "disabled";
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};
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hwrng: rng@5118 {
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compatible = "amlogic,meson-rng";
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reg = <0x0 0x5118 0x0 0x4>;
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};
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sec_AO: ao-secure@5a20 {
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compatible = "amlogic,meson-gx-ao-secure", "syscon";
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reg = <0x0 0x5a20 0x0 0x140>;
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amlogic,has-chip-id;
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};
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};
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gic: interrupt-controller@ff901000 {
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compatible = "arm,gic-400";
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reg = <0x0 0xff901000 0x0 0x1000>,
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<0x0 0xff902000 0x0 0x2000>,
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<0x0 0xff904000 0x0 0x2000>,
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<0x0 0xff906000 0x0 0x2000>;
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interrupt-controller;
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interrupts = <GIC_PPI 9
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(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
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#interrupt-cells = <3>;
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#address-cells = <0>;
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};
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};
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timer {
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compatible = "arm,armv8-timer";
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interrupts = <GIC_PPI 13
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(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 14
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(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 11
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(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 10
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(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
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};
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xtal: xtal-clk {
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compatible = "fixed-clock";
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clock-frequency = <24000000>;
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clock-output-names = "xtal";
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#clock-cells = <0>;
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};
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};
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