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: releng/11.0/sys/arm/qemu/virt_machdep.c 299073 2016-05-04 16:24:12Z bz $");
32
33#define _ARM32_BUS_DMA_PRIVATE
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/devmap.h>
37
38#include <vm/vm.h>
39
40#include <machine/bus.h>
41#include <machine/platform.h>
42#include <machine/platformvar.h>
43
44#include <arm/qemu/virt_mp.h>
45
46#include "platform_if.h"
47
48struct arm32_dma_range *
49bus_dma_get_range(void)
50{
51
52	return (NULL);
53}
54
55int
56bus_dma_get_range_nb(void)
57{
58
59	return (0);
60}
61
62void
63cpu_reset(void)
64{
65
66	while (1);
67}
68
69static vm_offset_t
70virt_lastaddr(platform_t plat)
71{
72
73	return (devmap_lastaddr());
74}
75
76/*
77 * Set up static device mappings.
78 */
79static int
80virt_devmap_init(platform_t plat)
81{
82
83	devmap_add_entry(0x09000000, 0x100000); /* Uart */
84	return (0);
85}
86
87static platform_method_t virt_methods[] = {
88	PLATFORMMETHOD(platform_devmap_init,	virt_devmap_init),
89	PLATFORMMETHOD(platform_lastaddr,	virt_lastaddr),
90
91#ifdef SMP
92	PLATFORMMETHOD(platform_mp_start_ap,	virt_mp_start_ap),
93	PLATFORMMETHOD(platform_mp_setmaxid,	virt_mp_setmaxid),
94#endif
95
96	PLATFORMMETHOD_END,
97};
98
99FDT_PLATFORM_DEF(virt, "virt", 0, "linux,dummy-virt", 1);
100
101static int
102gem5_devmap_init(platform_t plat)
103{
104
105	devmap_add_entry(0x1c090000, 0x100000); /* Uart */
106	return (0);
107}
108
109static platform_method_t gem5_methods[] = {
110	PLATFORMMETHOD(platform_devmap_init,	gem5_devmap_init),
111	PLATFORMMETHOD(platform_lastaddr,	virt_lastaddr),
112
113	PLATFORMMETHOD_END,
114};
115
116FDT_PLATFORM_DEF(gem5, "gem5", 0, "arm,vexpress", 1);
117