1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4/ {
5	compatible = "cdns,xtensa-iss";
6	#address-cells = <1>;
7	#size-cells = <1>;
8	interrupt-parent = <&pic>;
9
10	chosen {
11		bootargs = "console=ttyS0,115200n8 debug";
12	};
13
14	memory@0 {
15		device_type = "memory";
16		reg = <0x00000000 0x80000000>;
17	};
18
19	cpus {
20		#address-cells = <1>;
21		#size-cells = <0>;
22		cpu@0 {
23			compatible = "cdns,xtensa-cpu";
24			reg = <0>;
25			clocks = <&osc>;
26		};
27	};
28
29	clocks {
30		osc: osc {
31			#clock-cells = <0>;
32			compatible = "fixed-clock";
33			clock-frequency = <40000000>;
34		};
35	};
36
37	pic: pic {
38		compatible = "cdns,xtensa-pic";
39		/* one cell: internal irq number,
40		 * two cells: second cell == 0: internal irq number
41		 *            second cell == 1: external irq number
42		 */
43		#address-cells = <0>;
44		#interrupt-cells = <2>;
45		interrupt-controller;
46	};
47
48	pci {
49		compatible = "pci-host-ecam-generic";
50		device_type = "pci";
51		#address-cells = <3>;
52		#size-cells = <2>;
53		#interrupt-cells = <0x1>;
54
55		bus-range = <0x0 0x3e>;
56		reg = <0xf0100000 0x03f00000>;
57
58		     // BUS_ADDRESS(3)  CPU_PHYSICAL(1)  SIZE(2)
59		ranges = <0x01000000 0x0 0x00000000  0xf0000000  0x0 0x00010000>,
60			 <0x02000000 0x0 0xf4000000  0xf4000000  0x0 0x08000000>;
61
62		     // PCI_DEVICE(3)  INT#(1)  CONTROLLER(PHANDLE)  CONTROLLER_DATA(2)
63		interrupt-map = <
64			0x0000 0x0 0x0  0x1  &pic  0x0 0x1
65			0x0800 0x0 0x0  0x1  &pic  0x1 0x1
66			0x1000 0x0 0x0  0x1  &pic  0x2 0x1
67			0x1800 0x0 0x0  0x1  &pic  0x3 0x1
68			>;
69
70		interrupt-map-mask = <0x1800 0x0 0x0  0x7>;
71	};
72};
73