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 | |
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 | |