1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2010 Google, Inc.
4 *
5 * Author:
6 * Colin Cross <ccross@google.com>
7 * Erik Gilling <konkers@google.com>
8 */
9
10#ifndef __MACH_TEGRA_IOMAP_H
11#define __MACH_TEGRA_IOMAP_H
12
13#include <linux/pgtable.h>
14#include <linux/sizes.h>
15
16#define TEGRA_IRAM_BASE 0x40000000
17#define TEGRA_IRAM_SIZE SZ_256K
18
19#define TEGRA_ARM_PERIF_BASE 0x50040000
20#define TEGRA_ARM_PERIF_SIZE SZ_8K
21
22#define TEGRA_ARM_INT_DIST_BASE 0x50041000
23#define TEGRA_ARM_INT_DIST_SIZE SZ_4K
24
25#define TEGRA_TMR1_BASE 0x60005000
26#define TEGRA_TMR1_SIZE SZ_8
27
28#define TEGRA_TMR2_BASE 0x60005008
29#define TEGRA_TMR2_SIZE SZ_8
30
31#define TEGRA_TMRUS_BASE 0x60005010
32#define TEGRA_TMRUS_SIZE SZ_64
33
34#define TEGRA_TMR3_BASE 0x60005050
35#define TEGRA_TMR3_SIZE SZ_8
36
37#define TEGRA_TMR4_BASE 0x60005058
38#define TEGRA_TMR4_SIZE SZ_8
39
40#define TEGRA_CLK_RESET_BASE 0x60006000
41#define TEGRA_CLK_RESET_SIZE SZ_4K
42
43#define TEGRA_FLOW_CTRL_BASE 0x60007000
44#define TEGRA_FLOW_CTRL_SIZE 20
45
46#define TEGRA_SB_BASE 0x6000C200
47#define TEGRA_SB_SIZE 256
48
49#define TEGRA_EXCEPTION_VECTORS_BASE 0x6000F000
50#define TEGRA_EXCEPTION_VECTORS_SIZE SZ_4K
51
52#define TEGRA_APB_MISC_BASE 0x70000000
53#define TEGRA_APB_MISC_SIZE SZ_4K
54
55#define TEGRA_UARTA_BASE 0x70006000
56#define TEGRA_UARTA_SIZE SZ_64
57
58#define TEGRA_UARTB_BASE 0x70006040
59#define TEGRA_UARTB_SIZE SZ_64
60
61#define TEGRA_UARTC_BASE 0x70006200
62#define TEGRA_UARTC_SIZE SZ_256
63
64#define TEGRA_UARTD_BASE 0x70006300
65#define TEGRA_UARTD_SIZE SZ_256
66
67#define TEGRA_UARTE_BASE 0x70006400
68#define TEGRA_UARTE_SIZE SZ_256
69
70#define TEGRA_PMC_BASE 0x7000E400
71#define TEGRA_PMC_SIZE SZ_256
72
73#define TEGRA_EMC_BASE 0x7000F400
74#define TEGRA_EMC_SIZE SZ_1K
75
76#define TEGRA_EMC0_BASE 0x7001A000
77#define TEGRA_EMC0_SIZE SZ_2K
78
79#define TEGRA_EMC1_BASE 0x7001A800
80#define TEGRA_EMC1_SIZE SZ_2K
81
82#define TEGRA124_EMC_BASE 0x7001B000
83#define TEGRA124_EMC_SIZE SZ_2K
84
85#define TEGRA_CSITE_BASE 0x70040000
86#define TEGRA_CSITE_SIZE SZ_256K
87
88/* On TEGRA, many peripherals are very closely packed in
89 * two 256MB io windows (that actually only use about 64KB
90 * at the start of each).
91 *
92 * We will just map the first MMU section of each window (to minimize
93 * pt entries needed) and provide a macro to transform physical
94 * io addresses to an appropriate void __iomem *.
95 */
96
97#define IO_IRAM_PHYS 0x40000000
98#define IO_IRAM_VIRT IOMEM(0xFE400000)
99#define IO_IRAM_SIZE SZ_256K
100
101#define IO_CPU_PHYS 0x50040000
102#define IO_CPU_VIRT IOMEM(0xFE440000)
103#define IO_CPU_SIZE SZ_16K
104
105#define IO_PPSB_PHYS 0x60000000
106#define IO_PPSB_VIRT IOMEM(0xFE200000)
107#define IO_PPSB_SIZE SECTION_SIZE
108
109#define IO_APB_PHYS 0x70000000
110#define IO_APB_VIRT IOMEM(0xFE000000)
111#define IO_APB_SIZE SECTION_SIZE
112
113#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
114#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))
115
116#define IO_TO_VIRT(n) ( \
117 IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
118 IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
119 IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
120 IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
121 IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
122 IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
123 IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ? \
124 IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) : \
125 NULL)
126
127#define IO_ADDRESS(n) (IO_TO_VIRT(n))
128
129#endif
130

source code of linux/arch/arm/mach-tegra/iomap.h