release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-omap/include/plat/io.h

   1 /*
   2  * arch/arm/plat-omap/include/mach/io.h
   3  *
   4  * IO definitions for TI OMAP processors and boards
   5  *
   6  * Copied from arch/arm/mach-sa1100/include/mach/io.h
   7  * Copyright (C) 1997-1999 Russell King
   8  *
   9  * Copyright (C) 2009 Texas Instruments
  10  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.
  16  *
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  20  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  23  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  24  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * You should have received a copy of the GNU General Public License along
  29  * with this program; if not, write to the Free Software Foundation, Inc.,
  30  * 675 Mass Ave, Cambridge, MA 02139, USA.
  31  *
  32  * Modifications:
  33  *  06-12-1997  RMK     Created.
  34  *  07-04-1999  RMK     Major cleanup
  35  */
  36
  37 #ifndef __ASM_ARM_ARCH_IO_H
  38 #define __ASM_ARM_ARCH_IO_H
  39
  40 #include <mach/hardware.h>
  41
  42 #define IO_SPACE_LIMIT 0xffffffff
  43
  44 /*
  45  * We don't actually have real ISA nor PCI buses, but there is so many
  46  * drivers out there that might just work if we fake them...
  47  */
  48 #define __io(a)         __typesafe_io(a)
  49 #define __mem_pci(a)    (a)
  50
  51 /*
  52  * ----------------------------------------------------------------------------
  53  * I/O mapping
  54  * ----------------------------------------------------------------------------
  55  */
  56
  57 #ifdef __ASSEMBLER__
  58 #define IOMEM(x)                (x)
  59 #else
  60 #define IOMEM(x)                ((void __force __iomem *)(x))
  61 #endif
  62
  63 #define OMAP1_IO_OFFSET         0x01000000      /* Virtual IO = 0xfefb0000 */
  64 #define OMAP1_IO_ADDRESS(pa)    IOMEM((pa) - OMAP1_IO_OFFSET)
  65
  66 #define OMAP2_L3_IO_OFFSET      0x90000000
  67 #define OMAP2_L3_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_L3_IO_OFFSET) /* L3 */
  68
  69
  70 #define OMAP2_L4_IO_OFFSET      0xb2000000
  71 #define OMAP2_L4_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_L4_IO_OFFSET) /* L4 */
  72
  73 #define OMAP4_L3_IO_OFFSET      0xb4000000
  74 #define OMAP4_L3_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_IO_OFFSET) /* L3 */
  75
  76 #define OMAP4_L3_PER_IO_OFFSET  0xb1100000
  77 #define OMAP4_L3_PER_IO_ADDRESS(pa)     IOMEM((pa) + OMAP4_L3_PER_IO_OFFSET)
  78
  79 #define OMAP4_GPMC_IO_OFFSET            0xa9000000
  80 #define OMAP4_GPMC_IO_ADDRESS(pa)       IOMEM((pa) + OMAP4_GPMC_IO_OFFSET)
  81
  82 #define OMAP2_EMU_IO_OFFSET             0xaa800000      /* Emulation */
  83 #define OMAP2_EMU_IO_ADDRESS(pa)        IOMEM((pa) + OMAP2_EMU_IO_OFFSET)
  84
  85 /*
  86  * ----------------------------------------------------------------------------
  87  * Omap1 specific IO mapping
  88  * ----------------------------------------------------------------------------
  89  */
  90
  91 #define OMAP1_IO_PHYS           0xFFFB0000
  92 #define OMAP1_IO_SIZE           0x40000
  93 #define OMAP1_IO_VIRT           (OMAP1_IO_PHYS - OMAP1_IO_OFFSET)
  94
  95 /*
  96  * ----------------------------------------------------------------------------
  97  * Omap2 specific IO mapping
  98  * ----------------------------------------------------------------------------
  99  */
 100
 101 /* We map both L3 and L4 on OMAP2 */
 102 #define L3_24XX_PHYS    L3_24XX_BASE    /* 0x68000000 --> 0xf8000000*/
 103 #define L3_24XX_VIRT    (L3_24XX_PHYS + OMAP2_L3_IO_OFFSET)
 104 #define L3_24XX_SIZE    SZ_1M           /* 44kB of 128MB used, want 1MB sect */
 105 #define L4_24XX_PHYS    L4_24XX_BASE    /* 0x48000000 --> 0xfa000000 */
 106 #define L4_24XX_VIRT    (L4_24XX_PHYS + OMAP2_L4_IO_OFFSET)
 107 #define L4_24XX_SIZE    SZ_1M           /* 1MB of 128MB used, want 1MB sect */
 108
 109 #define L4_WK_243X_PHYS         L4_WK_243X_BASE /* 0x49000000 --> 0xfb000000 */
 110 #define L4_WK_243X_VIRT         (L4_WK_243X_PHYS + OMAP2_L4_IO_OFFSET)
 111 #define L4_WK_243X_SIZE         SZ_1M
 112 #define OMAP243X_GPMC_PHYS      OMAP243X_GPMC_BASE
 113 #define OMAP243X_GPMC_VIRT      (OMAP243X_GPMC_PHYS + OMAP2_L3_IO_OFFSET)
 114                                                 /* 0x6e000000 --> 0xfe000000 */
 115 #define OMAP243X_GPMC_SIZE      SZ_1M
 116 #define OMAP243X_SDRC_PHYS      OMAP243X_SDRC_BASE
 117                                                 /* 0x6D000000 --> 0xfd000000 */
 118 #define OMAP243X_SDRC_VIRT      (OMAP243X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
 119 #define OMAP243X_SDRC_SIZE      SZ_1M
 120 #define OMAP243X_SMS_PHYS       OMAP243X_SMS_BASE
 121                                                 /* 0x6c000000 --> 0xfc000000 */
 122 #define OMAP243X_SMS_VIRT       (OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
 123 #define OMAP243X_SMS_SIZE       SZ_1M
 124
 125 /* 2420 IVA */
 126 #define DSP_MEM_2420_PHYS       OMAP2420_DSP_MEM_BASE
 127                                                 /* 0x58000000 --> 0xfc100000 */
 128 #define DSP_MEM_2420_VIRT       0xfc100000
 129 #define DSP_MEM_2420_SIZE       0x28000
 130 #define DSP_IPI_2420_PHYS       OMAP2420_DSP_IPI_BASE
 131                                                 /* 0x59000000 --> 0xfc128000 */
 132 #define DSP_IPI_2420_VIRT       0xfc128000
 133 #define DSP_IPI_2420_SIZE       SZ_4K
 134 #define DSP_MMU_2420_PHYS       OMAP2420_DSP_MMU_BASE
 135                                                 /* 0x5a000000 --> 0xfc129000 */
 136 #define DSP_MMU_2420_VIRT       0xfc129000
 137 #define DSP_MMU_2420_SIZE       SZ_4K
 138
 139 /* 2430 IVA2.1 - currently unmapped */
 140
 141 /*
 142  * ----------------------------------------------------------------------------
 143  * Omap3 specific IO mapping
 144  * ----------------------------------------------------------------------------
 145  */
 146
 147 /* We map both L3 and L4 on OMAP3 */
 148 #define L3_34XX_PHYS            L3_34XX_BASE    /* 0x68000000 --> 0xf8000000 */
 149 #define L3_34XX_VIRT            (L3_34XX_PHYS + OMAP2_L3_IO_OFFSET)
 150 #define L3_34XX_SIZE            SZ_1M   /* 44kB of 128MB used, want 1MB sect */
 151
 152 #define L4_34XX_PHYS            L4_34XX_BASE    /* 0x48000000 --> 0xfa000000 */
 153 #define L4_34XX_VIRT            (L4_34XX_PHYS + OMAP2_L4_IO_OFFSET)
 154 #define L4_34XX_SIZE            SZ_4M   /* 1MB of 128MB used, want 1MB sect */
 155
 156 /*
 157  * Need to look at the Size 4M for L4.
 158  * VPOM3430 was not working for Int controller
 159  */
 160
 161 #define L4_PER_34XX_PHYS        L4_PER_34XX_BASE
 162                                                 /* 0x49000000 --> 0xfb000000 */
 163 #define L4_PER_34XX_VIRT        (L4_PER_34XX_PHYS + OMAP2_L4_IO_OFFSET)
 164 #define L4_PER_34XX_SIZE        SZ_1M
 165
 166 #define L4_EMU_34XX_PHYS        L4_EMU_34XX_BASE
 167                                                 /* 0x54000000 --> 0xfe800000 */
 168 #define L4_EMU_34XX_VIRT        (L4_EMU_34XX_PHYS + OMAP2_EMU_IO_OFFSET)
 169 #define L4_EMU_34XX_SIZE        SZ_8M
 170
 171 #define OMAP34XX_GPMC_PHYS      OMAP34XX_GPMC_BASE
 172                                                 /* 0x6e000000 --> 0xfe000000 */
 173 #define OMAP34XX_GPMC_VIRT      (OMAP34XX_GPMC_PHYS + OMAP2_L3_IO_OFFSET)
 174 #define OMAP34XX_GPMC_SIZE      SZ_1M
 175
 176 #define OMAP343X_SMS_PHYS       OMAP343X_SMS_BASE
 177                                                 /* 0x6c000000 --> 0xfc000000 */
 178 #define OMAP343X_SMS_VIRT       (OMAP343X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
 179 #define OMAP343X_SMS_SIZE       SZ_1M
 180
 181 #define OMAP343X_SDRC_PHYS      OMAP343X_SDRC_BASE
 182                                                 /* 0x6D000000 --> 0xfd000000 */
 183 #define OMAP343X_SDRC_VIRT      (OMAP343X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
 184 #define OMAP343X_SDRC_SIZE      SZ_1M
 185
 186 /* 3430 IVA - currently unmapped */
 187
 188 /*
 189  * ----------------------------------------------------------------------------
 190  * Omap4 specific IO mapping
 191  * ----------------------------------------------------------------------------
 192  */
 193
 194 /* We map both L3 and L4 on OMAP4 */
 195 #define L3_44XX_PHYS            L3_44XX_BASE    /* 0x44000000 --> 0xf8000000 */
 196 #define L3_44XX_VIRT            (L3_44XX_PHYS + OMAP4_L3_IO_OFFSET)
 197 #define L3_44XX_SIZE            SZ_1M
 198
 199 #define L4_44XX_PHYS            L4_44XX_BASE    /* 0x4a000000 --> 0xfc000000 */
 200 #define L4_44XX_VIRT            (L4_44XX_PHYS + OMAP2_L4_IO_OFFSET)
 201 #define L4_44XX_SIZE            SZ_4M
 202
 203 #define L4_PER_44XX_PHYS        L4_PER_44XX_BASE
 204                                                 /* 0x48000000 --> 0xfa000000 */
 205 #define L4_PER_44XX_VIRT        (L4_PER_44XX_PHYS + OMAP2_L4_IO_OFFSET)
 206 #define L4_PER_44XX_SIZE        SZ_4M
 207
 208 #define L4_ABE_44XX_PHYS        L4_ABE_44XX_BASE
 209                                                 /* 0x49000000 --> 0xfb000000 */
 210 #define L4_ABE_44XX_VIRT        (L4_ABE_44XX_PHYS + OMAP2_L4_IO_OFFSET)
 211 #define L4_ABE_44XX_SIZE        SZ_1M
 212
 213 #define L4_EMU_44XX_PHYS        L4_EMU_44XX_BASE
 214                                                 /* 0x54000000 --> 0xfe800000 */
 215 #define L4_EMU_44XX_VIRT        (L4_EMU_44XX_PHYS + OMAP2_EMU_IO_OFFSET)
 216 #define L4_EMU_44XX_SIZE        SZ_8M
 217
 218 #define OMAP44XX_GPMC_PHYS      OMAP44XX_GPMC_BASE
 219                                                 /* 0x50000000 --> 0xf9000000 */
 220 #define OMAP44XX_GPMC_VIRT      (OMAP44XX_GPMC_PHYS + OMAP4_GPMC_IO_OFFSET)
 221 #define OMAP44XX_GPMC_SIZE      SZ_1M
 222
 223
 224 #define OMAP44XX_EMIF1_PHYS     OMAP44XX_EMIF1_BASE
 225                                                 /* 0x4c000000 --> 0xfd100000 */
 226 #define OMAP44XX_EMIF1_VIRT     (OMAP44XX_EMIF1_PHYS + OMAP4_L3_PER_IO_OFFSET)
 227 #define OMAP44XX_EMIF1_SIZE     SZ_1M
 228
 229 #define OMAP44XX_EMIF2_PHYS     OMAP44XX_EMIF2_BASE
 230                                                 /* 0x4d000000 --> 0xfd200000 */
 231 #define OMAP44XX_EMIF2_VIRT     (OMAP44XX_EMIF2_PHYS + OMAP4_L3_PER_IO_OFFSET)
 232 #define OMAP44XX_EMIF2_SIZE     SZ_1M
 233
 234 #define OMAP44XX_DMM_PHYS       OMAP44XX_DMM_BASE
 235                                                 /* 0x4e000000 --> 0xfd300000 */
 236 #define OMAP44XX_DMM_VIRT       (OMAP44XX_DMM_PHYS + OMAP4_L3_PER_IO_OFFSET)
 237 #define OMAP44XX_DMM_SIZE       SZ_1M
 238 /*
 239  * ----------------------------------------------------------------------------
 240  * Omap specific register access
 241  * ----------------------------------------------------------------------------
 242  */
 243
 244 #ifndef __ASSEMBLER__
 245
 246 /*
 247  * NOTE: Please use ioremap + __raw_read/write where possible instead of these
 248  */
 249
 250 extern u8 omap_readb(u32 pa);
 251 extern u16 omap_readw(u32 pa);
 252 extern u32 omap_readl(u32 pa);
 253 extern void omap_writeb(u8 v, u32 pa);
 254 extern void omap_writew(u16 v, u32 pa);
 255 extern void omap_writel(u32 v, u32 pa);
 256
 257 struct omap_sdrc_params;
 258
 259 extern void omap1_map_common_io(void);
 260 extern void omap1_init_common_hw(void);
 261
 262 #ifdef CONFIG_ARCH_OMAP2420
 263 extern void omap242x_map_common_io(void);
 264 #else
 265 static inline void omap242x_map_common_io(void)
 266 {
 267 }
 268 #endif
 269
 270 #ifdef CONFIG_ARCH_OMAP2430
 271 extern void omap243x_map_common_io(void);
 272 #else
 273 static inline void omap243x_map_common_io(void)
 274 {
 275 }
 276 #endif
 277
 278 #ifdef CONFIG_ARCH_OMAP3
 279 extern void omap34xx_map_common_io(void);
 280 #else
 281 static inline void omap34xx_map_common_io(void)
 282 {
 283 }
 284 #endif
 285
 286 #ifdef CONFIG_ARCH_OMAP4
 287 extern void omap44xx_map_common_io(void);
 288 #else
 289 static inline void omap44xx_map_common_io(void)
 290 {
 291 }
 292 #endif
 293
 294 extern void omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 295                                  struct omap_sdrc_params *sdrc_cs1);
 296
 297 #define __arch_ioremap(p,s,t)   omap_ioremap(p,s,t)
 298 #define __arch_iounmap(v)       omap_iounmap(v)
 299
 300 void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type);
 301 void omap_iounmap(volatile void __iomem *addr);
 302
 303 #endif
 304
 305 #endif