1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2010 Google, Inc.
6 * Colin Cross <ccross@google.com>
7 * Erik Gilling <konkers@google.com>
10 #ifndef __MACH_TEGRA_IOMAP_H
11 #define __MACH_TEGRA_IOMAP_H
13 #include <linux/pgtable.h>
14 #include <linux/sizes.h>
16 #define TEGRA_IRAM_BASE 0x40000000
17 #define TEGRA_IRAM_SIZE SZ_256K
19 #define TEGRA_ARM_PERIF_BASE 0x50040000
20 #define TEGRA_ARM_PERIF_SIZE SZ_8K
22 #define TEGRA_ARM_INT_DIST_BASE 0x50041000
23 #define TEGRA_ARM_INT_DIST_SIZE SZ_4K
25 #define TEGRA_TMR1_BASE 0x60005000
26 #define TEGRA_TMR1_SIZE SZ_8
28 #define TEGRA_TMR2_BASE 0x60005008
29 #define TEGRA_TMR2_SIZE SZ_8
31 #define TEGRA_TMRUS_BASE 0x60005010
32 #define TEGRA_TMRUS_SIZE SZ_64
34 #define TEGRA_TMR3_BASE 0x60005050
35 #define TEGRA_TMR3_SIZE SZ_8
37 #define TEGRA_TMR4_BASE 0x60005058
38 #define TEGRA_TMR4_SIZE SZ_8
40 #define TEGRA_CLK_RESET_BASE 0x60006000
41 #define TEGRA_CLK_RESET_SIZE SZ_4K
43 #define TEGRA_FLOW_CTRL_BASE 0x60007000
44 #define TEGRA_FLOW_CTRL_SIZE 20
46 #define TEGRA_SB_BASE 0x6000C200
47 #define TEGRA_SB_SIZE 256
49 #define TEGRA_EXCEPTION_VECTORS_BASE 0x6000F000
50 #define TEGRA_EXCEPTION_VECTORS_SIZE SZ_4K
52 #define TEGRA_APB_MISC_BASE 0x70000000
53 #define TEGRA_APB_MISC_SIZE SZ_4K
55 #define TEGRA_UARTA_BASE 0x70006000
56 #define TEGRA_UARTA_SIZE SZ_64
58 #define TEGRA_UARTB_BASE 0x70006040
59 #define TEGRA_UARTB_SIZE SZ_64
61 #define TEGRA_UARTC_BASE 0x70006200
62 #define TEGRA_UARTC_SIZE SZ_256
64 #define TEGRA_UARTD_BASE 0x70006300
65 #define TEGRA_UARTD_SIZE SZ_256
67 #define TEGRA_UARTE_BASE 0x70006400
68 #define TEGRA_UARTE_SIZE SZ_256
70 #define TEGRA_PMC_BASE 0x7000E400
71 #define TEGRA_PMC_SIZE SZ_256
73 #define TEGRA_EMC_BASE 0x7000F400
74 #define TEGRA_EMC_SIZE SZ_1K
76 #define TEGRA_EMC0_BASE 0x7001A000
77 #define TEGRA_EMC0_SIZE SZ_2K
79 #define TEGRA_EMC1_BASE 0x7001A800
80 #define TEGRA_EMC1_SIZE SZ_2K
82 #define TEGRA124_EMC_BASE 0x7001B000
83 #define TEGRA124_EMC_SIZE SZ_2K
85 #define TEGRA_CSITE_BASE 0x70040000
86 #define TEGRA_CSITE_SIZE SZ_256K
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).
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 *.
97 #define IO_IRAM_PHYS 0x40000000
98 #define IO_IRAM_VIRT IOMEM(0xFE400000)
99 #define IO_IRAM_SIZE SZ_256K
101 #define IO_CPU_PHYS 0x50040000
102 #define IO_CPU_VIRT IOMEM(0xFE440000)
103 #define IO_CPU_SIZE SZ_16K
105 #define IO_PPSB_PHYS 0x60000000
106 #define IO_PPSB_VIRT IOMEM(0xFE200000)
107 #define IO_PPSB_SIZE SECTION_SIZE
109 #define IO_APB_PHYS 0x70000000
110 #define IO_APB_VIRT IOMEM(0xFE000000)
111 #define IO_APB_SIZE SECTION_SIZE
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)))
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) : \
127 #define IO_ADDRESS(n) (IO_TO_VIRT(n))