arm64: dts: Add support for Stratix 10 Software Virtual Platform

Add Stratix 10 Software Virtual Platform device tree

Acked-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Teh Wen Ping <[e-mail]>
Signed-off-by: Dinh Nguyen <[e-mail]>

arch/arm64/Kconfig.platforms

···
 	bool "Intel's SoCFPGA ARMv8 Families"
 	help
 	  This enables support for Intel's SoCFPGA ARMv8 families:
-	  Stratix 10 (ex. Altera), Agilex and eASIC N5X.
+	  Stratix 10 (ex. Altera), Stratix10 Software Virtual Platform,
+	  Agilex and eASIC N5X.
 
 config ARCH_SYNQUACER
 	bool "Socionext SynQuacer SoC Family"

arch/arm64/boot/dts/altera/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
 dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_stratix10_socdk.dtb \
-				socfpga_stratix10_socdk_nand.dtb
+				socfpga_stratix10_socdk_nand.dtb \
+				socfpga_stratix10_swvp.dtb

arch/arm64/boot/dts/altera/socfpga_stratix10_swvp.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022, Intel Corporation
+ */
+
+#include "socfpga_stratix10.dtsi"
+
+/ {
+	model = "SOCFPGA Stratix 10 SWVP";
+	compatible = "altr,socfpga-stratix10-swvp", "altr,socfpga-stratix10";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+
+		timer0 = &timer0;
+		timer1 = &timer1;
+		timer2 = &timer2;
+		timer3 = &timer3;
+
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
+		ethernet2 = &gmac2;
+	};
+
+	chosen {
+		stdout-path = "serial1:115200n8";
+		linux,initrd-start = <0x10000000>;
+		linux,initrd-end = <0x125c8324>;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>;
+	};
+};
+
+&cpu0 {
+	enable-method = "spin-table";
+	cpu-release-addr = <0x0 0x0000fff8>;
+};
+
+&cpu1 {
+	enable-method = "spin-table";
+	cpu-release-addr = <0x0 0x0000fff8>;
+};
+
+&cpu2 {
+	enable-method = "spin-table";
+	cpu-release-addr = <0x0 0x0000fff8>;
+};
+
+&cpu3 {
+	enable-method = "spin-table";
+	cpu-release-addr = <0x0 0x0000fff8>;
+};
+
+&osc1 {
+	clock-frequency = <25000000>;
+};
+
+&gmac0 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-addr = <0xffffffff>;
+	snps,max-mtu = <0x0>;
+};
+
+&gmac1 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-addr = <0xffffffff>;
+};
+
+&gmac2 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-addr = <0xffffffff>;
+};
+
+&mmc {
+	status = "okay";
+	altr,dw-mshc-ciu-div = <0x3>;
+	altr,dw-mshc-sdr-timing = <0x0 0x3>;
+	cap-sd-highspeed;
+	cap-mmc-highspeed;
+	broken-cd;
+	bus-width = <4>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usb0 {
+	clocks = <&clkmgr STRATIX10_L4_MP_CLK>;
+	status = "okay";
+};
+
+&usb1 {
+	clocks = <&clkmgr STRATIX10_L4_MP_CLK>;
+	status = "okay";
+};
+
+&rst {
+	altr,modrst-offset = <0x20>;
+};
+
+&sysmgr {
+	reg = <0xffd12000 0x1000>;
+	interrupts = <0x0 0x10 0x4>;
+	cpu1-start-addr = <0xffd06230>;
+};