versatile_machdep.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 2012 Oleksandr Tymoshenko.
5 * All rights reserved.
6 *
7 * This code is derived from software written for Brini by Mark Brinicombe
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed by Brini.
20 * 4. The name of the company nor the name of the author may be used to
21 *    endorse or promote products derived from this software without specific
22 *    prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
25 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 */
37
38#include "opt_ddb.h"
39#include "opt_platform.h"
40
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD: stable/11/sys/arm/versatile/versatile_machdep.c 330897 2018-03-14 03:19:51Z eadler $");
43
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/bus.h>
47#include <sys/devmap.h>
48
49#include <vm/vm.h>
50#include <vm/pmap.h>
51
52#include <machine/bus.h>
53#include <machine/machdep.h>
54#include <machine/platform.h>
55
56#include <dev/fdt/fdt_common.h>
57
58/* Start of address space used for bootstrap map */
59#define DEVMAP_BOOTSTRAP_MAP_START	0xE0000000
60
61vm_offset_t
62platform_lastaddr(void)
63{
64
65	return (DEVMAP_BOOTSTRAP_MAP_START);
66}
67
68void
69platform_probe_and_attach(void)
70{
71
72}
73
74void
75platform_gpio_init(void)
76{
77}
78
79void
80platform_late_init(void)
81{
82}
83
84#define FDT_DEVMAP_MAX	(2)		/* FIXME */
85static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
86	{ 0, 0, 0, },
87	{ 0, 0, 0, }
88};
89
90
91/*
92 * Construct devmap table with DT-derived config data.
93 */
94int
95platform_devmap_init(void)
96{
97	int i = 0;
98	fdt_devmap[i].pd_va = 0xf0100000;
99	fdt_devmap[i].pd_pa = 0x10100000;
100	fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
101
102	devmap_register_table(&fdt_devmap[0]);
103	return (0);
104}
105
106void
107cpu_reset(void)
108{
109	printf("cpu_reset\n");
110	while (1);
111}
112
113