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
62 static vm_offset_t
versatile_lastaddr(platform_t plat)63 versatile_lastaddr(platform_t plat)
64 {
65
66 return (DEVMAP_BOOTSTRAP_MAP_START);
67 }
68
69 #define FDT_DEVMAP_MAX (2) /* FIXME */
70 static 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 */
78 static int
versatile_devmap_init(platform_t plat)79 versatile_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
90 static void
versatile_cpu_reset(platform_t plat)91 versatile_cpu_reset(platform_t plat)
92 {
93 printf("cpu_reset\n");
94 while (1);
95 }
96
97 static 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 };
104 FDT_PLATFORM_DEF(versatile, "versatile", 0, "arm,versatile-pb", 1);
105