[PATCH 1/2] arm64: dts: Add Arm corstone500 platform support
Robin Murphy
robin.murphy at arm.com
Wed Dec 14 05:08:03 PST 2022
On 2022-12-14 07:52, Emekcan Aras wrote:
> From: Emekcan Aras <Emekcan.Aras at arm.com>
>
> Corstone500[0] is a platform from arm, which includes Cortex-A cores and
> ideal starting point for feature rich System on Chip (SoC) designs
> based on the Cortex-A5 core.
arch/arm64 is the wrong place for 32-bit Armv7-based systems ;)
Thanks,
Robin.
> These device trees contains the necessary bits to support the
> Corstone 500 FVP (Fixed Virtual Platform) and the
> FPGA MPS3 board.
>
> 0: https://developer.arm.com/documentation/102262/0000
>
> Signed-off-by: Emekcan Aras <emekcan.aras at arm.com>
> ---
> arch/arm64/boot/dts/arm/corstone500.dts | 181 ++++++++++++++++++++++++
> 1 file changed, 181 insertions(+)
> create mode 100644 arch/arm64/boot/dts/arm/corstone500.dts
>
> diff --git a/arch/arm64/boot/dts/arm/corstone500.dts b/arch/arm64/boot/dts/arm/corstone500.dts
> new file mode 100644
> index 000000000000..976aa333ffbc
> --- /dev/null
> +++ b/arch/arm64/boot/dts/arm/corstone500.dts
> @@ -0,0 +1,181 @@
> +// SPDX-License-Identifier: GPL-2.0 or MIT
> +/*
> + * Copyright (c) 2022, Arm Limited. All rights reserved.
> + *
> + */
> +
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> + model = "ARM Corstone500";
> + compatible = "arm,corstone500";
> + interrupt-parent = <&gic>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + psci {
> + compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
> + method = "smc";
> + cpu_on = <0x84000003>;
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + enable-method = "psci";
> +
> + cpu at 0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a5";
> + reg = <0>;
> + next-level-cache = <&L2>;
> + };
> +
> + cpu at 1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a5";
> + reg = <1>;
> + next-level-cache = <&L2>;
> + };
> +
> + cpu at 2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a5";
> + reg = <2>;
> + next-level-cache = <&L2>;
> + };
> +
> + cpu at 3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a5";
> + reg = <3>;
> + next-level-cache = <&L2>;
> + };
> + };
> +
> + memory at 80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x7f000000>;
> + };
> +
> + L2: cache-controller at 1c010000 {
> + compatible = "arm,pl310-cache";
> + reg = <0x1c010000 0x1000>;
> + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> + cache-level = <2>;
> + cache-unified;
> + arm,data-latency = <1 1 1>;
> + arm,tag-latency = <1 1 1>;
> + };
> +
> + refclk7500khz: refclk7500khz {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <7500000>;
> + clock-output-names = "apb_pclk";
> + };
> +
> + refclk24mhz: refclk24mhz {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <24000000>;
> + clock-output-names = "apb_pclk";
> + };
> +
> + smbclk: refclk24mhzx2 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <48000000>;
> + clock-output-names = "smclk";
> + };
> +
> + rtc at 1a220000 {
> + compatible = "arm,pl031", "arm,primecell";
> + reg = <0x1a220000 0x1000>;
> + clocks = <&refclk24mhz>;
> + interrupts = <GIC_SPI 6 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + clock-names = "apb_pclk";
> + };
> +
> + gic: interrupt-controller at 1c001000 {
> + compatible = "arm,cortex-a5-gic";
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> + interrupt-controller;
> + reg = <0x1c001000 0x1000>,
> + <0x1c000100 0x100>;
> + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + };
> +
> + soc{
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + clock_frequency = <50000000>;
> + interrupt-parent = <&gic>;
> + ranges;
> +
> + uart0: serial at 1a200000 {
> + compatible = "arm,pl011", "arm,primecell";
> + reg = <0x1a200000 0x1000>;
> + interrupts = <GIC_SPI 8 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + clocks = <&refclk7500khz>;
> + clock-names = "apb_pclk";
> + };
> +
> + uart1: serial at 1a210000 {
> + compatible = "arm,pl011", "arm,primecell";
> + reg = <0x1a210000 0x1000>;
> + interrupts = <GIC_SPI 9 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + clocks = <&refclk7500khz>;
> + clock-names = "apb_pclk";
> + };
> +
> + timer0: timer at 1a040000 {
> + compatible = "arm,armv7-timer-mem";
> + reg = <0x1a040000 0x1000>;
> + clock-frequency = <7500000>;
> +
> + frame at 1a050000 {
> + frame-number = <0>;
> + interrupts = <GIC_SPI 2 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + reg = <0x1a050000 0x1000>;
> + };
> + };
> +
> + smsc: ethernet at 4020000 {
> + compatible = "smsc,lan9220", "smsc,lan9115";
> + reg = <0x40200000 0x10000>;
> + interrupts = <GIC_SPI 43 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + reg-io-width = <4>;
> + phy-mode = "mii";
> + smsc,irq-active-high;
> + vdd33a-supply = <&v2m_fixed_3v3>;
> + vddvario-supply = <&v2m_fixed_3v3>;
> + };
> + };
> +
> + v2m_fixed_3v3: fixed-regulator-0 {
> + compatible = "regulator-fixed";
> + regulator-name = "3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +};
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