1 /*
2 * arch/arm/mach-tegra/io.c
3 *
4 * Copyright (C) 2010 Google, Inc.
5 *
6 * Author:
7 * Colin Cross <ccross@google.com>
8 * Erik Gilling <konkers@google.com>
9 *
10 * This software is licensed under the terms of the GNU General Public
11 * License version 2, as published by the Free Software Foundation, and
12 * may be copied, distributed, and modified under those terms.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 */
20
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/mm.h>
25 #include <linux/io.h>
26
27 #include <asm/page.h>
28 #include <asm/mach/map.h>
29
30 #include "board.h"
31 #include "iomap.h"
32
33 static struct map_desc tegra_io_desc[] __initdata = {
34 {
35 .virtual = (unsigned long)IO_PPSB_VIRT,
36 .pfn = __phys_to_pfn(IO_PPSB_PHYS),
37 .length = IO_PPSB_SIZE,
38 .type = MT_DEVICE,
39 },
40 {
41 .virtual = (unsigned long)IO_APB_VIRT,
42 .pfn = __phys_to_pfn(IO_APB_PHYS),
43 .length = IO_APB_SIZE,
44 .type = MT_DEVICE,
45 },
46 {
47 .virtual = (unsigned long)IO_CPU_VIRT,
48 .pfn = __phys_to_pfn(IO_CPU_PHYS),
49 .length = IO_CPU_SIZE,
50 .type = MT_DEVICE,
51 },
52 {
53 .virtual = (unsigned long)IO_IRAM_VIRT,
54 .pfn = __phys_to_pfn(IO_IRAM_PHYS),
55 .length = IO_IRAM_SIZE,
56 .type = MT_DEVICE,
57 },
58 };
59
tegra_map_common_io(void)60 void __init tegra_map_common_io(void)
61 {
62 debug_ll_io_init();
63 iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
64 }
65