Move cpu_reset to be a platform method to allow multiple implementations.
[freebsd.git] / sys / arm / qemu / virt_machdep.c
1 /*-
2  * Copyright (c) 2015 Andrew Turner
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
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  */
27
28 #include "opt_platform.h"
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/devmap.h>
36
37 #include <vm/vm.h>
38
39 #include <machine/bus.h>
40 #include <machine/platform.h>
41 #include <machine/platformvar.h>
42
43 #include <arm/qemu/virt_mp.h>
44
45 #include "platform_if.h"
46
47 static vm_offset_t
48 virt_lastaddr(platform_t plat)
49 {
50
51         return (devmap_lastaddr());
52 }
53
54 /*
55  * Set up static device mappings.
56  */
57 static int
58 virt_devmap_init(platform_t plat)
59 {
60
61         devmap_add_entry(0x09000000, 0x100000); /* Uart */
62         return (0);
63 }
64
65 static platform_method_t virt_methods[] = {
66         PLATFORMMETHOD(platform_devmap_init,    virt_devmap_init),
67         PLATFORMMETHOD(platform_lastaddr,       virt_lastaddr),
68
69 #ifdef SMP
70         PLATFORMMETHOD(platform_mp_start_ap,    virt_mp_start_ap),
71         PLATFORMMETHOD(platform_mp_setmaxid,    virt_mp_setmaxid),
72 #endif
73
74         PLATFORMMETHOD_END,
75 };
76
77 FDT_PLATFORM_DEF(virt, "virt", 0, "linux,dummy-virt", 1);
78
79 static int
80 gem5_devmap_init(platform_t plat)
81 {
82
83         devmap_add_entry(0x1c090000, 0x100000); /* Uart */
84         return (0);
85 }
86
87 static platform_method_t gem5_methods[] = {
88         PLATFORMMETHOD(platform_devmap_init,    gem5_devmap_init),
89         PLATFORMMETHOD(platform_lastaddr,       virt_lastaddr),
90
91         PLATFORMMETHOD_END,
92 };
93
94 FDT_PLATFORM_DEF(gem5, "gem5", 0, "arm,vexpress", 1);