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 #include "opt_global.h"
39
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD: releng/10.0/sys/arm/versatile/versatile_machdep.c 244197 2012-12-13 23:19:13Z gonzo $");
42
43 #define _ARM32_BUS_DMA_PRIVATE
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/bus.h>
47
48 #include <vm/vm.h>
49 #include <vm/pmap.h>
50
51 #include <machine/bus.h>
52 #include <machine/frame.h> /* For trapframe_t, used in <machine/machdep.h> */
53 #include <machine/machdep.h>
54 #include <machine/pmap.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
61 vm_offset_t
62 initarm_lastaddr(void)
63 {
64
65 return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
66 }
67
68 void
69 initarm_gpio_init(void)
70 {
71 }
72
73 void
74 initarm_late_init(void)
75 {
76 }
77
78 #define FDT_DEVMAP_MAX (2) /* FIXME */
79 static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
80 { 0, 0, 0, 0, 0, },
81 { 0, 0, 0, 0, 0, }
82 };
83
84
85 /*
86 * Construct pmap_devmap[] with DT-derived config data.
87 */
88 int
89 platform_devmap_init(void)
90 {
91 int i = 0;
92 fdt_devmap[i].pd_va = 0xf0100000;
93 fdt_devmap[i].pd_pa = 0x10100000;
94 fdt_devmap[i].pd_size = 0x01000000; /* 1 MB */
95 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
96 fdt_devmap[i].pd_cache = PTE_DEVICE;
97
98 pmap_devmap_bootstrap_table = &fdt_devmap[0];
99 return (0);
100 }
101
102 struct arm32_dma_range *
103 bus_dma_get_range(void)
104 {
105
106 return (NULL);
107 }
108
109 int
110 bus_dma_get_range_nb(void)
111 {
112
113 return (0);
114 }
115
116 void
117 cpu_reset()
118 {
119 printf("cpu_reset\n");
120 while (1);
121 }
122
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