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("$FreeBSD$");
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#include <machine/platformvar.h>
56
57#include "platform_if.h"
58
59/* Start of address space used for bootstrap map */
60#define DEVMAP_BOOTSTRAP_MAP_START	0xE0000000
61
62static vm_offset_t
63versatile_lastaddr(platform_t plat)
64{
65
66	return (DEVMAP_BOOTSTRAP_MAP_START);
67}
68
69#define FDT_DEVMAP_MAX	(2)		/* FIXME */
70static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
71	{ 0, 0, 0, },
72	{ 0, 0, 0, }
73};
74
75/*
76 * Construct devmap table with DT-derived config data.
77 */
78static int
79versatile_devmap_init(platform_t plat)
80{
81	int i = 0;
82	fdt_devmap[i].pd_va = 0xf0100000;
83	fdt_devmap[i].pd_pa = 0x10100000;
84	fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
85
86	devmap_register_table(&fdt_devmap[0]);
87	return (0);
88}
89
90static void
91versatile_cpu_reset(platform_t plat)
92{
93	printf("cpu_reset\n");
94	while (1);
95}
96
97static platform_method_t versatile_methods[] = {
98	PLATFORMMETHOD(platform_lastaddr,	versatile_lastaddr),
99	PLATFORMMETHOD(platform_devmap_init,	versatile_devmap_init),
100	PLATFORMMETHOD(platform_cpu_reset,	versatile_cpu_reset),
101
102	PLATFORMMETHOD_END,
103};
104FDT_PLATFORM_DEF(versatile, "versatile", 0, "arm,versatile-pb", 1);
105