armv8_big_little.dts revision 11569
1/*
2 * Copyright (c) 2015-2016 ARM Limited
3 * All rights reserved
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Andreas Sandberg
29 *          Gabor Dozsa
30 */
31
32/dts-v1/;
33
34/memreserve/ 0x80000000 0x00010000;
35
36#include CONF_PLATFORM
37
38/* Assign a unique ID for pre-defined configurations. The selected
39 * configuration is picked up from CONF_CPUS
40*/
41// 2 big and 2 little cpus
42#define _2_2 1
43// 2 big and 4 little cpus
44#define _2_4 2
45
46#define CPU(n,id) \
47	CPU ## n: cpu@ ## id { \
48		device_type = "cpu"; \
49		compatible = "gem5,armv8", "arm,armv8"; \
50		reg = < ## id >; \
51		enable-method = "spin-table"; \
52		cpu-release-addr = <0 0x8000fff8>; \
53	};
54
55
56/ {
57	model = "V2P-AARCH64";
58	compatible = "arm,vexpress,v2p-aarch64", "arm,vexpress";
59
60	memory@80000000 {
61		device_type = "memory";
62		reg = <0 0x80000000 0x4 0x00000000>;
63	};
64
65
66
67	cpus {
68		#address-cells = <1>;
69		#size-cells = <0>;
70
71		#if CONF_CPUS == _2_2
72		CPU(0,0x0)
73		CPU(1,0x1)
74		CPU(2,0x102)
75		CPU(3,0x103)
76		cpu-map {
77			cluster0 {
78				core0 { cpu = <&CPU0>; };
79				core1 { cpu = <&CPU1>; };
80			};
81			cluster1 {
82				core0 { cpu = <&CPU2>; };
83				core1 { cpu = <&CPU3>; };
84			};
85		};
86		#elif CONF_CPUS == _2_4
87		CPU(0,0x0)
88		CPU(1,0x1)
89		CPU(2,0x102)
90		CPU(3,0x103)
91		CPU(4,0x104)
92		CPU(5,0x105)
93		cpu-map {
94			cluster0 {
95				core0 { cpu = <&CPU0>; };
96				core1 { cpu = <&CPU1>; };
97			};
98			cluster1 {
99				core0 { cpu = <&CPU2>; };
100				core1 { cpu = <&CPU3>; };
101				core2 { cpu = <&CPU4>; };
102				core3 { cpu = <&CPU5>; };
103			};
104		};
105		#else
106		#error Missing configuration section
107		#endif
108	};
109
110	virt-encoder {
111		compatible = "drm,virtual-encoder";
112		port {
113			hdlcd0_virt_input: endpoint@0 {
114				remote-endpoint = <&hdlcd0_output>;
115			};
116		};
117
118		display-timings {
119			native-mode = <&timing0>;
120
121			timing0: timing_1080p60 {
122				/* 1920x1080-60 */
123				clock-frequency = <148500000>;
124				hactive = <1920>;
125				vactive = <1080>;
126				hfront-porch = <148>;
127				hback-porch = <88>;
128				hsync-len = <44>;
129				vfront-porch = <36>;
130				vback-porch = <4>;
131				vsync-len = <5>;
132			};
133		};
134	};
135};
136
137&hdlcd0 {
138	status = "ok";
139
140	port {
141		hdlcd0_output: endpoint@0 {
142			remote-endpoint = <&hdlcd0_virt_input>;
143		};
144	};
145};
146
147
148