exynos5_machdep.c revision 256281 
1/*-
2 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include "opt_ddb.h"
28#include "opt_platform.h"
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/10/sys/arm/samsung/exynos/exynos5_machdep.c 255967 2013-10-01 12:01:20Z br $");
32
33#define _ARM32_BUS_DMA_PRIVATE
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/bus.h>
37
38#include <vm/vm.h>
39#include <vm/pmap.h>
40
41#include <machine/bus.h>
42#include <machine/frame.h> /* For trapframe_t, used in <machine/machdep.h> */
43#include <machine/machdep.h>
44#include <machine/pmap.h>
45
46#include <dev/fdt/fdt_common.h>
47
48#define	DEVMAP_BOOTSTRAP_MAP_START 0xF0000000
49
50vm_offset_t
51initarm_lastaddr(void)
52{
53
54	return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
55}
56
57void
58initarm_gpio_init(void)
59{
60}
61
62void
63initarm_late_init(void)
64{
65}
66
67#define FDT_DEVMAP_MAX	(1 + 2 + 1 + 1)	/* FIXME */
68static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
69	{ 0, 0, 0, 0, 0, }
70};
71
72/*
73 * Construct pmap_devmap[] with DT-derived config data.
74 */
75int
76platform_devmap_init(void)
77{
78	int i;
79
80	i = 0;
81	fdt_devmap[i].pd_va = 0xf2C00000;
82	fdt_devmap[i].pd_pa = 0x12C00000;
83	fdt_devmap[i].pd_size = 0x100000;
84	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
85	fdt_devmap[i].pd_cache = PTE_NOCACHE;
86	i++;
87
88	pmap_devmap_bootstrap_table = &fdt_devmap[0];
89	return (0);
90}
91
92struct arm32_dma_range *
93bus_dma_get_range(void)
94{
95
96	return (NULL);
97}
98
99int
100bus_dma_get_range_nb(void)
101{
102
103	return (0);
104}
105