1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * arch/arm/mach-tegra/io.c
4  *
5  * Copyright (C) 2010 Google, Inc.
6  *
7  * Author:
8  *	Colin Cross <ccross@google.com>
9  *	Erik Gilling <konkers@google.com>
10  */
11 
12 #include <linux/init.h>
13 #include <linux/io.h>
14 #include <linux/kernel.h>
15 #include <linux/mm.h>
16 #include <linux/module.h>
17 
18 #include <asm/mach/map.h>
19 #include <asm/page.h>
20 
21 #include "board.h"
22 #include "iomap.h"
23 
24 static struct map_desc tegra_io_desc[] __initdata = {
25 	{
26 		.virtual = (unsigned long)IO_PPSB_VIRT,
27 		.pfn = __phys_to_pfn(IO_PPSB_PHYS),
28 		.length = IO_PPSB_SIZE,
29 		.type = MT_DEVICE,
30 	},
31 	{
32 		.virtual = (unsigned long)IO_APB_VIRT,
33 		.pfn = __phys_to_pfn(IO_APB_PHYS),
34 		.length = IO_APB_SIZE,
35 		.type = MT_DEVICE,
36 	},
37 	{
38 		.virtual = (unsigned long)IO_CPU_VIRT,
39 		.pfn = __phys_to_pfn(IO_CPU_PHYS),
40 		.length = IO_CPU_SIZE,
41 		.type = MT_DEVICE,
42 	},
43 	{
44 		.virtual = (unsigned long)IO_IRAM_VIRT,
45 		.pfn = __phys_to_pfn(IO_IRAM_PHYS),
46 		.length = IO_IRAM_SIZE,
47 		.type = MT_DEVICE,
48 	},
49 };
50 
tegra_map_common_io(void)51 void __init tegra_map_common_io(void)
52 {
53 	debug_ll_io_init();
54 	iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
55 }
56