xref: /OK3568_Linux_fs/kernel/arch/openrisc/boot/dts/or1ksim.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun/dts-v1/;
3*4882a593Smuzhiyun/ {
4*4882a593Smuzhiyun	compatible = "opencores,or1ksim";
5*4882a593Smuzhiyun	#address-cells = <1>;
6*4882a593Smuzhiyun	#size-cells = <1>;
7*4882a593Smuzhiyun	interrupt-parent = <&pic>;
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun	aliases {
10*4882a593Smuzhiyun		uart0 = &serial0;
11*4882a593Smuzhiyun	};
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun	chosen {
14*4882a593Smuzhiyun		bootargs = "earlycon";
15*4882a593Smuzhiyun		stdout-path = "uart0:115200";
16*4882a593Smuzhiyun	};
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun	memory@0 {
19*4882a593Smuzhiyun		device_type = "memory";
20*4882a593Smuzhiyun		reg = <0x00000000 0x02000000>;
21*4882a593Smuzhiyun	};
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun	cpus {
24*4882a593Smuzhiyun		#address-cells = <1>;
25*4882a593Smuzhiyun		#size-cells = <0>;
26*4882a593Smuzhiyun		cpu@0 {
27*4882a593Smuzhiyun			compatible = "opencores,or1200-rtlsvn481";
28*4882a593Smuzhiyun			reg = <0>;
29*4882a593Smuzhiyun			clock-frequency = <20000000>;
30*4882a593Smuzhiyun		};
31*4882a593Smuzhiyun	};
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun	/*
34*4882a593Smuzhiyun	 * OR1K PIC is built into CPU and accessed via special purpose
35*4882a593Smuzhiyun	 * registers.  It is not addressable and, hence, has no 'reg'
36*4882a593Smuzhiyun	 * property.
37*4882a593Smuzhiyun	 */
38*4882a593Smuzhiyun	pic: pic {
39*4882a593Smuzhiyun		compatible = "opencores,or1k-pic";
40*4882a593Smuzhiyun		#interrupt-cells = <1>;
41*4882a593Smuzhiyun		interrupt-controller;
42*4882a593Smuzhiyun	};
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun	serial0: serial@90000000 {
45*4882a593Smuzhiyun		compatible = "opencores,uart16550-rtlsvn105", "ns16550a";
46*4882a593Smuzhiyun		reg = <0x90000000 0x100>;
47*4882a593Smuzhiyun		interrupts = <2>;
48*4882a593Smuzhiyun		clock-frequency = <20000000>;
49*4882a593Smuzhiyun	};
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun	enet0: ethoc@92000000 {
52*4882a593Smuzhiyun		compatible = "opencores,ethoc";
53*4882a593Smuzhiyun		reg = <0x92000000 0x800>;
54*4882a593Smuzhiyun		interrupts = <4>;
55*4882a593Smuzhiyun		big-endian;
56*4882a593Smuzhiyun	};
57*4882a593Smuzhiyun};
58