versatile_machdep.c revision 314506 
1/*-
2 * Copyright (c) 2012 Oleksandr Tymoshenko.
3 * All rights reserved.
4 *
5 * This code is derived from software written for Brini by Mark Brinicombe
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Brini.
18 * 4. The name of the company nor the name of the author may be used to
19 *    endorse or promote products derived from this software without specific
20 *    prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36#include "opt_ddb.h"
37#include "opt_platform.h"
38
39#include <sys/cdefs.h>
40__FBSDID("$FreeBSD: stable/11/sys/arm/versatile/versatile_machdep.c 314506 2017-03-01 19:55:04Z ian $");
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/bus.h>
45#include <sys/devmap.h>
46
47#include <vm/vm.h>
48#include <vm/pmap.h>
49
50#include <machine/bus.h>
51#include <machine/machdep.h>
52#include <machine/platform.h>
53
54#include <dev/fdt/fdt_common.h>
55
56/* Start of address space used for bootstrap map */
57#define DEVMAP_BOOTSTRAP_MAP_START	0xE0000000
58
59vm_offset_t
60platform_lastaddr(void)
61{
62
63	return (DEVMAP_BOOTSTRAP_MAP_START);
64}
65
66void
67platform_probe_and_attach(void)
68{
69
70}
71
72void
73platform_gpio_init(void)
74{
75}
76
77void
78platform_late_init(void)
79{
80}
81
82#define FDT_DEVMAP_MAX	(2)		/* FIXME */
83static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
84	{ 0, 0, 0, },
85	{ 0, 0, 0, }
86};
87
88
89/*
90 * Construct devmap table with DT-derived config data.
91 */
92int
93platform_devmap_init(void)
94{
95	int i = 0;
96	fdt_devmap[i].pd_va = 0xf0100000;
97	fdt_devmap[i].pd_pa = 0x10100000;
98	fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
99
100	devmap_register_table(&fdt_devmap[0]);
101	return (0);
102}
103
104void
105cpu_reset(void)
106{
107	printf("cpu_reset\n");
108	while (1);
109}
110
111