1/dts-v1/;
2
3/ {
4	#size-cells = <0x02>;
5	#address-cells = <0x02>;
6	model-name = "microwatt";
7	compatible = "microwatt-soc";
8
9	aliases {
10		serial0 = &UART0;
11	};
12
13	reserved-memory {
14		#size-cells = <0x02>;
15		#address-cells = <0x02>;
16		ranges;
17	};
18
19	memory@0 {
20		device_type = "memory";
21		reg = <0x00000000 0x00000000 0x00000000 0x10000000>;
22	};
23
24	cpus {
25		#size-cells = <0x00>;
26		#address-cells = <0x01>;
27
28		ibm,powerpc-cpu-features {
29			display-name = "Microwatt";
30			isa = <3000>;
31			device_type = "cpu-features";
32			compatible = "ibm,powerpc-cpu-features";
33
34			mmu-radix {
35				isa = <3000>;
36				usable-privilege = <2>;
37			};
38
39			little-endian {
40				isa = <2050>;
41				usable-privilege = <3>;
42				hwcap-bit-nr = <1>;
43			};
44
45			cache-inhibited-large-page {
46				isa = <2040>;
47				usable-privilege = <2>;
48			};
49
50			fixed-point-v3 {
51				isa = <3000>;
52				usable-privilege = <3>;
53			};
54
55			no-execute {
56				isa = <2010>;
57				usable-privilege = <2>;
58			};
59
60			floating-point {
61				hwcap-bit-nr = <27>;
62				isa = <0>;
63				usable-privilege = <3>;
64			};
65		};
66
67		PowerPC,Microwatt@0 {
68			i-cache-sets = <2>;
69			ibm,dec-bits = <64>;
70			reservation-granule-size = <64>;
71			clock-frequency = <100000000>;
72			timebase-frequency = <100000000>;
73			i-tlb-sets = <1>;
74			ibm,ppc-interrupt-server#s = <0>;
75			i-cache-block-size = <64>;
76			d-cache-block-size = <64>;
77			d-cache-sets = <2>;
78			i-tlb-size = <64>;
79			cpu-version = <0x990000>;
80			status = "okay";
81			i-cache-size = <0x1000>;
82			ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>;
83			tlb-size = <0>;
84			tlb-sets = <0>;
85			device_type = "cpu";
86			d-tlb-size = <128>;
87			d-tlb-sets = <2>;
88			reg = <0>;
89			general-purpose;
90			64-bit;
91			d-cache-size = <0x1000>;
92			ibm,chip-id = <0>;
93			ibm,mmu-lpid-bits = <12>;
94			ibm,mmu-pid-bits = <20>;
95		};
96	};
97
98	soc@c0000000 {
99		compatible = "simple-bus";
100		#address-cells = <1>;
101		#size-cells = <1>;
102		interrupt-parent = <&ICS>;
103
104		ranges = <0 0 0xc0000000 0x40000000>;
105
106		interrupt-controller@4000 {
107			compatible = "openpower,xics-presentation", "ibm,ppc-xicp";
108			ibm,interrupt-server-ranges = <0x0 0x1>;
109			reg = <0x4000 0x100>;
110		};
111
112		ICS: interrupt-controller@5000 {
113			compatible = "openpower,xics-sources";
114			interrupt-controller;
115			interrupt-ranges = <0x10 0x10>;
116			reg = <0x5000 0x100>;
117			#address-cells = <0>;
118			#size-cells = <0>;
119			#interrupt-cells = <2>;
120		};
121
122		UART0: serial@2000 {
123			device_type = "serial";
124			compatible = "ns16550";
125			reg = <0x2000 0x8>;
126			clock-frequency = <100000000>;
127			current-speed = <115200>;
128			reg-shift = <2>;
129			fifo-size = <16>;
130			interrupts = <0x10 0x1>;
131		};
132
133		ethernet@8020000 {
134			compatible = "litex,liteeth";
135			reg = <0x8021000 0x100
136				0x8020800 0x100
137				0x8030000 0x2000>;
138			reg-names = "mac", "mido", "buffer";
139			litex,rx-slots = <2>;
140			litex,tx-slots = <2>;
141			litex,slot-size = <0x800>;
142			interrupts = <0x11 0x1>;
143		};
144	};
145
146	chosen {
147		bootargs = "";
148		ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00
149					  00 00 00 00 00 00 00 00 40 00 40];
150		stdout-path = &UART0;
151	};
152};
153