xref: /openbmc/linux/arch/arm/mach-tegra/iomap.h (revision 423997ff)
1 /*
2  * Copyright (C) 2010 Google, Inc.
3  *
4  * Author:
5  *	Colin Cross <ccross@google.com>
6  *	Erik Gilling <konkers@google.com>
7  *
8  * This software is licensed under the terms of the GNU General Public
9  * License version 2, as published by the Free Software Foundation, and
10  * may be copied, distributed, and modified under those terms.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  */
18 
19 #ifndef __MACH_TEGRA_IOMAP_H
20 #define __MACH_TEGRA_IOMAP_H
21 
22 #include <asm/pgtable.h>
23 #include <linux/sizes.h>
24 
25 #define TEGRA_IRAM_BASE			0x40000000
26 #define TEGRA_IRAM_SIZE			SZ_256K
27 
28 #define TEGRA_ARM_PERIF_BASE		0x50040000
29 #define TEGRA_ARM_PERIF_SIZE		SZ_8K
30 
31 #define TEGRA_ARM_INT_DIST_BASE		0x50041000
32 #define TEGRA_ARM_INT_DIST_SIZE		SZ_4K
33 
34 #define TEGRA_TMR1_BASE			0x60005000
35 #define TEGRA_TMR1_SIZE			SZ_8
36 
37 #define TEGRA_TMR2_BASE			0x60005008
38 #define TEGRA_TMR2_SIZE			SZ_8
39 
40 #define TEGRA_TMRUS_BASE		0x60005010
41 #define TEGRA_TMRUS_SIZE		SZ_64
42 
43 #define TEGRA_TMR3_BASE			0x60005050
44 #define TEGRA_TMR3_SIZE			SZ_8
45 
46 #define TEGRA_TMR4_BASE			0x60005058
47 #define TEGRA_TMR4_SIZE			SZ_8
48 
49 #define TEGRA_CLK_RESET_BASE		0x60006000
50 #define TEGRA_CLK_RESET_SIZE		SZ_4K
51 
52 #define TEGRA_FLOW_CTRL_BASE		0x60007000
53 #define TEGRA_FLOW_CTRL_SIZE		20
54 
55 #define TEGRA_SB_BASE			0x6000C200
56 #define TEGRA_SB_SIZE			256
57 
58 #define TEGRA_EXCEPTION_VECTORS_BASE    0x6000F000
59 #define TEGRA_EXCEPTION_VECTORS_SIZE    SZ_4K
60 
61 #define TEGRA_APB_MISC_BASE		0x70000000
62 #define TEGRA_APB_MISC_SIZE		SZ_4K
63 
64 #define TEGRA_UARTA_BASE		0x70006000
65 #define TEGRA_UARTA_SIZE		SZ_64
66 
67 #define TEGRA_UARTB_BASE		0x70006040
68 #define TEGRA_UARTB_SIZE		SZ_64
69 
70 #define TEGRA_UARTC_BASE		0x70006200
71 #define TEGRA_UARTC_SIZE		SZ_256
72 
73 #define TEGRA_UARTD_BASE		0x70006300
74 #define TEGRA_UARTD_SIZE		SZ_256
75 
76 #define TEGRA_UARTE_BASE		0x70006400
77 #define TEGRA_UARTE_SIZE		SZ_256
78 
79 #define TEGRA_PMC_BASE			0x7000E400
80 #define TEGRA_PMC_SIZE			SZ_256
81 
82 #define TEGRA_EMC_BASE			0x7000F400
83 #define TEGRA_EMC_SIZE			SZ_1K
84 
85 #define TEGRA_EMC0_BASE			0x7001A000
86 #define TEGRA_EMC0_SIZE			SZ_2K
87 
88 #define TEGRA_EMC1_BASE			0x7001A800
89 #define TEGRA_EMC1_SIZE			SZ_2K
90 
91 #define TEGRA124_EMC_BASE		0x7001B000
92 #define TEGRA124_EMC_SIZE		SZ_2K
93 
94 #define TEGRA_CSITE_BASE		0x70040000
95 #define TEGRA_CSITE_SIZE		SZ_256K
96 
97 /* On TEGRA, many peripherals are very closely packed in
98  * two 256MB io windows (that actually only use about 64KB
99  * at the start of each).
100  *
101  * We will just map the first MMU section of each window (to minimize
102  * pt entries needed) and provide a macro to transform physical
103  * io addresses to an appropriate void __iomem *.
104  */
105 
106 #define IO_IRAM_PHYS	0x40000000
107 #define IO_IRAM_VIRT	IOMEM(0xFE400000)
108 #define IO_IRAM_SIZE	SZ_256K
109 
110 #define IO_CPU_PHYS	0x50040000
111 #define IO_CPU_VIRT	IOMEM(0xFE440000)
112 #define IO_CPU_SIZE	SZ_16K
113 
114 #define IO_PPSB_PHYS	0x60000000
115 #define IO_PPSB_VIRT	IOMEM(0xFE200000)
116 #define IO_PPSB_SIZE	SECTION_SIZE
117 
118 #define IO_APB_PHYS	0x70000000
119 #define IO_APB_VIRT	IOMEM(0xFE000000)
120 #define IO_APB_SIZE	SECTION_SIZE
121 
122 #define IO_TO_VIRT_BETWEEN(p, st, sz)	((p) >= (st) && (p) < ((st) + (sz)))
123 #define IO_TO_VIRT_XLATE(p, pst, vst)	(((p) - (pst) + (vst)))
124 
125 #define IO_TO_VIRT(n) ( \
126 	IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ?		\
127 		IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) :	\
128 	IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ?		\
129 		IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) :	\
130 	IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ?		\
131 		IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) :	\
132 	IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ?		\
133 		IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) :	\
134 	NULL)
135 
136 #define IO_ADDRESS(n) (IO_TO_VIRT(n))
137 
138 #endif
139