blob: 352de159d2c51686da50b19adb81410739454ef9 [file] [log] [blame]
Erik Gillingc5f80062010-01-21 16:53:02 -08001/*
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
Erik Gillingc5f80062010-01-21 16:53:02 -080021#include <linux/init.h>
Erik Gillingc5f80062010-01-21 16:53:02 -080022#include <linux/io.h>
Thierry Redinga0524ac2014-07-11 09:44:49 +020023#include <linux/kernel.h>
24#include <linux/mm.h>
25#include <linux/module.h>
Erik Gillingc5f80062010-01-21 16:53:02 -080026
Erik Gillingc5f80062010-01-21 16:53:02 -080027#include <asm/mach/map.h>
Thierry Redinga0524ac2014-07-11 09:44:49 +020028#include <asm/page.h>
Erik Gillingc5f80062010-01-21 16:53:02 -080029
30#include "board.h"
Stephen Warren2be39c02012-10-04 14:24:09 -060031#include "iomap.h"
Erik Gillingc5f80062010-01-21 16:53:02 -080032
33static struct map_desc tegra_io_desc[] __initdata = {
34 {
Olof Johanssone748b732011-10-09 21:05:44 -070035 .virtual = (unsigned long)IO_PPSB_VIRT,
Erik Gillingc5f80062010-01-21 16:53:02 -080036 .pfn = __phys_to_pfn(IO_PPSB_PHYS),
37 .length = IO_PPSB_SIZE,
38 .type = MT_DEVICE,
39 },
40 {
Olof Johanssone748b732011-10-09 21:05:44 -070041 .virtual = (unsigned long)IO_APB_VIRT,
Erik Gillingc5f80062010-01-21 16:53:02 -080042 .pfn = __phys_to_pfn(IO_APB_PHYS),
43 .length = IO_APB_SIZE,
44 .type = MT_DEVICE,
45 },
46 {
Olof Johanssone748b732011-10-09 21:05:44 -070047 .virtual = (unsigned long)IO_CPU_VIRT,
Erik Gillingc5f80062010-01-21 16:53:02 -080048 .pfn = __phys_to_pfn(IO_CPU_PHYS),
49 .length = IO_CPU_SIZE,
50 .type = MT_DEVICE,
51 },
Colin Crossc231d692010-07-27 21:34:38 -070052 {
Olof Johanssone748b732011-10-09 21:05:44 -070053 .virtual = (unsigned long)IO_IRAM_VIRT,
Colin Crossc231d692010-07-27 21:34:38 -070054 .pfn = __phys_to_pfn(IO_IRAM_PHYS),
55 .length = IO_IRAM_SIZE,
56 .type = MT_DEVICE,
57 },
Erik Gillingc5f80062010-01-21 16:53:02 -080058};
59
60void __init tegra_map_common_io(void)
61{
Stephen Warren7a281062012-10-19 12:27:58 -060062 debug_ll_io_init();
Erik Gillingc5f80062010-01-21 16:53:02 -080063 iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
64}