xref: /openbmc/linux/arch/arm/mach-tegra/iomap.h (revision adb57164)
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 <asm/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