arch/arm/mach-tegra/iomap.h

   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 <asm/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