xref: /freebsd/sys/arm/qemu/virt_machdep.c (revision fdafd315ad0d0f28a11b9fb4476a9ab059c62b92)
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/param.h>
31 #include <sys/systm.h>
32 #include <sys/devmap.h>
33 
34 #include <vm/vm.h>
35 
36 #include <machine/bus.h>
37 #include <machine/platform.h>
38 #include <machine/platformvar.h>
39 
40 #include <arm/qemu/virt_mp.h>
41 
42 #include "platform_if.h"
43 
44 /*
45  * Set up static device mappings.
46  */
47 static int
virt_devmap_init(platform_t plat)48 virt_devmap_init(platform_t plat)
49 {
50 
51 	devmap_add_entry(0x09000000, 0x100000); /* Uart */
52 	return (0);
53 }
54 
55 static platform_method_t virt_methods[] = {
56 	PLATFORMMETHOD(platform_devmap_init,	virt_devmap_init),
57 
58 #ifdef SMP
59 	PLATFORMMETHOD(platform_mp_start_ap,	virt_mp_start_ap),
60 #endif
61 
62 	PLATFORMMETHOD_END,
63 };
64 
65 FDT_PLATFORM_DEF(virt, "virt", 0, "linux,dummy-virt", 1);
66 
67 static int
gem5_devmap_init(platform_t plat)68 gem5_devmap_init(platform_t plat)
69 {
70 
71 	devmap_add_entry(0x1c090000, 0x100000); /* Uart */
72 	return (0);
73 }
74 
75 static platform_method_t gem5_methods[] = {
76 	PLATFORMMETHOD(platform_devmap_init,	gem5_devmap_init),
77 
78 	PLATFORMMETHOD_END,
79 };
80 
81 FDT_PLATFORM_DEF(gem5, "gem5", 0, "arm,vexpress", 1);
82