exynos5_machdep.c revision 257201 
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: head/sys/arm/samsung/exynos/exynos5_machdep.c 257201 2013-10-27 03:13:26Z ian $");
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/machdep.h>
43
44#include <dev/fdt/fdt_common.h>
45
46#define	DEVMAP_BOOTSTRAP_MAP_START 0xF0000000
47
48vm_offset_t
49initarm_lastaddr(void)
50{
51
52	return (DEVMAP_BOOTSTRAP_MAP_START);
53}
54
55void
56initarm_gpio_init(void)
57{
58}
59
60void
61initarm_late_init(void)
62{
63}
64
65#define FDT_DEVMAP_MAX	(1 + 2 + 1 + 1)	/* FIXME */
66static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
67	{ 0, 0, 0, 0, 0, }
68};
69
70/*
71 * Construct pmap_devmap[] with DT-derived config data.
72 */
73int
74platform_devmap_init(void)
75{
76	int i;
77
78	i = 0;
79	fdt_devmap[i].pd_va = 0xf2C00000;
80	fdt_devmap[i].pd_pa = 0x12C00000;
81	fdt_devmap[i].pd_size = 0x100000;
82	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
83	fdt_devmap[i].pd_cache = PTE_NOCACHE;
84	i++;
85
86	pmap_devmap_bootstrap_table = &fdt_devmap[0];
87	return (0);
88}
89
90struct arm32_dma_range *
91bus_dma_get_range(void)
92{
93
94	return (NULL);
95}
96
97int
98bus_dma_get_range_nb(void)
99{
100
101	return (0);
102}
103