linux_kernel/arch/arc/boot/dts/nsimosci.dts

/*
 * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
/dts-v1/;

/include/ "skeleton.dtsi"

/ {
	compatible = "snps,nsimosci";
	clock-frequency = <20000000>;	/* 20 MHZ */
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&intc>;

	chosen {
		/* this is for console on PGU */
		/* bootargs = "console=tty0 consoleblank=0"; */
		/* this is for console on serial */
		bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=ttyS0,115200n8 consoleblank=0 debug";
	};

	aliases {
		serial0 = &uart0;
	};

	memory {
		device_type = "memory";
		reg = <0x80000000 0x10000000>;	/* 256M */
	};

	fpga {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;

		/* child and parent address space 1:1 mapped */
		ranges;

		intc: interrupt-controller {
			compatible = "snps,arc700-intc";
			interrupt-controller;
			#interrupt-cells = <1>;
		};

		uart0: serial@c0000000 {
			compatible = "ns8250";
			reg = <0xc0000000 0x2000>;
			interrupts = <11>;
			clock-frequency = <3686400>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <4>;
			no-loopback-test = <1>;
		};

		pgu0: pgu@c9000000 {
			compatible = "snps,arcpgufb";
			reg = <0xc9000000 0x400>;
		};

		ps2: ps2@c9001000 {
			compatible = "snps,arc_ps2";
			reg = <0xc9000400 0x14>;
			interrupts = <13>;
			interrupt-names = "arc_ps2_irq";
		};

		eth0: ethernet@c0003000 {
			compatible = "snps,oscilan";
			reg = <0xc0003000 0x44>;
			interrupts = <7>, <8>;
			interrupt-names = "rx", "tx";
		};
	};
};