arch/arm/mach-realview/include/mach/platform.h

   1 /*
   2  * arch/arm/mach-realview/include/mach/platform.h
   3  *
   4  * Copyright (c) ARM Limited 2003.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __ASM_ARCH_PLATFORM_H
  22 #define __ASM_ARCH_PLATFORM_H
  23
  24 /*
  25  * Memory definitions
  26  */
  27 #define REALVIEW_BOOT_ROM_LO          0x30000000                /* DoC Base (64Mb)...*/
  28 #define REALVIEW_BOOT_ROM_HI          0x30000000
  29 #define REALVIEW_BOOT_ROM_BASE        REALVIEW_BOOT_ROM_HI       /*  Normal position */
  30 #define REALVIEW_BOOT_ROM_SIZE        SZ_64M
  31
  32 #define REALVIEW_SSRAM_BASE           /* REALVIEW_SSMC_BASE ? */
  33 #define REALVIEW_SSRAM_SIZE           SZ_2M
  34
  35 /*
  36  *  SDRAM
  37  */
  38 #define REALVIEW_SDRAM_BASE           0x00000000
  39
  40 /*
  41  *  Logic expansion modules
  42  *
  43  */
  44
  45
  46 /* ------------------------------------------------------------------------
  47  *  RealView Registers
  48  * ------------------------------------------------------------------------
  49  *
  50  */
  51 #define REALVIEW_SYS_ID_OFFSET               0x00
  52 #define REALVIEW_SYS_SW_OFFSET               0x04
  53 #define REALVIEW_SYS_LED_OFFSET              0x08
  54 #define REALVIEW_SYS_OSC0_OFFSET             0x0C
  55
  56 #define REALVIEW_SYS_OSC1_OFFSET             0x10
  57 #define REALVIEW_SYS_OSC2_OFFSET             0x14
  58 #define REALVIEW_SYS_OSC3_OFFSET             0x18
  59 #define REALVIEW_SYS_OSC4_OFFSET             0x1C       /* OSC1 for RealView/AB */
  60
  61 #define REALVIEW_SYS_LOCK_OFFSET             0x20
  62 #define REALVIEW_SYS_100HZ_OFFSET            0x24
  63 #define REALVIEW_SYS_CFGDATA1_OFFSET         0x28
  64 #define REALVIEW_SYS_CFGDATA2_OFFSET         0x2C
  65 #define REALVIEW_SYS_FLAGS_OFFSET            0x30
  66 #define REALVIEW_SYS_FLAGSSET_OFFSET         0x30
  67 #define REALVIEW_SYS_FLAGSCLR_OFFSET         0x34
  68 #define REALVIEW_SYS_NVFLAGS_OFFSET          0x38
  69 #define REALVIEW_SYS_NVFLAGSSET_OFFSET       0x38
  70 #define REALVIEW_SYS_NVFLAGSCLR_OFFSET       0x3C
  71 #define REALVIEW_SYS_RESETCTL_OFFSET         0x40
  72 #define REALVIEW_SYS_PCICTL_OFFSET           0x44
  73 #define REALVIEW_SYS_MCI_OFFSET              0x48
  74 #define REALVIEW_SYS_FLASH_OFFSET            0x4C
  75 #define REALVIEW_SYS_CLCD_OFFSET             0x50
  76 #define REALVIEW_SYS_CLCDSER_OFFSET          0x54
  77 #define REALVIEW_SYS_BOOTCS_OFFSET           0x58
  78 #define REALVIEW_SYS_24MHz_OFFSET            0x5C
  79 #define REALVIEW_SYS_MISC_OFFSET             0x60
  80 #define REALVIEW_SYS_IOSEL_OFFSET            0x70
  81 #define REALVIEW_SYS_PROCID_OFFSET           0x84
  82 #define REALVIEW_SYS_TEST_OSC0_OFFSET        0xC0
  83 #define REALVIEW_SYS_TEST_OSC1_OFFSET        0xC4
  84 #define REALVIEW_SYS_TEST_OSC2_OFFSET        0xC8
  85 #define REALVIEW_SYS_TEST_OSC3_OFFSET        0xCC
  86 #define REALVIEW_SYS_TEST_OSC4_OFFSET        0xD0
  87
  88 #define REALVIEW_SYS_BASE                    0x10000000
  89 #define REALVIEW_SYS_ID                      (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
  90 #define REALVIEW_SYS_SW                      (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
  91 #define REALVIEW_SYS_LED                     (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
  92 #define REALVIEW_SYS_OSC0                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
  93 #define REALVIEW_SYS_OSC1                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
  94
  95 #define REALVIEW_SYS_LOCK                    (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
  96 #define REALVIEW_SYS_100HZ                   (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
  97 #define REALVIEW_SYS_CFGDATA1                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
  98 #define REALVIEW_SYS_CFGDATA2                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
  99 #define REALVIEW_SYS_FLAGS                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
 100 #define REALVIEW_SYS_FLAGSSET                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
 101 #define REALVIEW_SYS_FLAGSCLR                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
 102 #define REALVIEW_SYS_NVFLAGS                 (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
 103 #define REALVIEW_SYS_NVFLAGSSET              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
 104 #define REALVIEW_SYS_NVFLAGSCLR              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
 105 #define REALVIEW_SYS_RESETCTL                (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
 106 #define REALVIEW_SYS_PCICTL                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
 107 #define REALVIEW_SYS_MCI                     (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
 108 #define REALVIEW_SYS_FLASH                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
 109 #define REALVIEW_SYS_CLCD                    (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
 110 #define REALVIEW_SYS_CLCDSER                 (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
 111 #define REALVIEW_SYS_BOOTCS                  (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
 112 #define REALVIEW_SYS_24MHz                   (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
 113 #define REALVIEW_SYS_MISC                    (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
 114 #define REALVIEW_SYS_IOSEL                   (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
 115 #define REALVIEW_SYS_PROCID                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PROCID_OFFSET)
 116 #define REALVIEW_SYS_TEST_OSC0               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
 117 #define REALVIEW_SYS_TEST_OSC1               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
 118 #define REALVIEW_SYS_TEST_OSC2               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
 119 #define REALVIEW_SYS_TEST_OSC3               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
 120 #define REALVIEW_SYS_TEST_OSC4               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
 121
 122 /*
 123  * Values for REALVIEW_SYS_RESET_CTRL
 124  */
 125 #define REALVIEW_SYS_CTRL_RESET_CONFIGCLR    0x01
 126 #define REALVIEW_SYS_CTRL_RESET_CONFIGINIT   0x02
 127 #define REALVIEW_SYS_CTRL_RESET_DLLRESET     0x03
 128 #define REALVIEW_SYS_CTRL_RESET_PLLRESET     0x04
 129 #define REALVIEW_SYS_CTRL_RESET_POR          0x05
 130 #define REALVIEW_SYS_CTRL_RESET_DoC          0x06
 131
 132 #define REALVIEW_SYS_CTRL_LED         (1 << 0)
 133
 134
 135 /* ------------------------------------------------------------------------
 136  *  RealView control registers
 137  * ------------------------------------------------------------------------
 138  */
 139
 140 /*
 141  * REALVIEW_IDFIELD
 142  *
 143  * 31:24 = manufacturer (0x41 = ARM)
 144  * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
 145  * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
 146  * 11:4  = build value
 147  * 3:0   = revision number (0x1 = rev B (AHB))
 148  */
 149
 150 /*
 151  * REALVIEW_SYS_LOCK
 152  *     control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
 153  *     SYS_CLD, SYS_BOOTCS
 154  */
 155 #define REALVIEW_SYS_LOCK_LOCKED    (1 << 16)
 156 #define REALVIEW_SYS_LOCKVAL_MASK       0xFFFF          /* write 0xA05F to enable write access */
 157
 158 /*
 159  * REALVIEW_SYS_FLASH
 160  */
 161 #define REALVIEW_FLASHPROG_FLVPPEN      (1 << 0)        /* Enable writing to flash */
 162
 163 /*
 164  * REALVIEW_INTREG
 165  *     - used to acknowledge and control MMCI and UART interrupts
 166  */
 167 #define REALVIEW_INTREG_WPROT        0x00    /* MMC protection status (no interrupt generated) */
 168 #define REALVIEW_INTREG_RI0          0x01    /* Ring indicator UART0 is asserted,              */
 169 #define REALVIEW_INTREG_CARDIN       0x08    /* MMCI card in detect                            */
 170                                                 /* write 1 to acknowledge and clear               */
 171 #define REALVIEW_INTREG_RI1          0x02    /* Ring indicator UART1 is asserted,              */
 172 #define REALVIEW_INTREG_CARDINSERT   0x03    /* Signal insertion of MMC card                   */
 173
 174 /*
 175  * RealView common peripheral addresses
 176  */
 177 #define REALVIEW_SCTL_BASE            0x10001000        /* System controller */
 178 #define REALVIEW_I2C_BASE             0x10002000        /* I2C control */
 179 #define REALVIEW_AACI_BASE            0x10004000        /* Audio */
 180 #define REALVIEW_MMCI0_BASE           0x10005000        /* MMC interface */
 181 #define REALVIEW_KMI0_BASE            0x10006000        /* KMI interface */
 182 #define REALVIEW_KMI1_BASE            0x10007000        /* KMI 2nd interface */
 183 #define REALVIEW_CHAR_LCD_BASE        0x10008000        /* Character LCD */
 184 #define REALVIEW_SCI_BASE             0x1000E000        /* Smart card controller */
 185 #define REALVIEW_GPIO1_BASE           0x10014000        /* GPIO port 1 */
 186 #define REALVIEW_GPIO2_BASE           0x10015000        /* GPIO port 2 */
 187 #define REALVIEW_DMC_BASE             0x10018000        /* DMC configuration */
 188 #define REALVIEW_DMAC_BASE            0x10030000        /* DMA controller */
 189
 190 /* PCI space */
 191 #define REALVIEW_PCI_BASE             0x41000000        /* PCI Interface */
 192 #define REALVIEW_PCI_CFG_BASE         0x42000000
 193 #define REALVIEW_PCI_MEM_BASE0        0x44000000
 194 #define REALVIEW_PCI_MEM_BASE1        0x50000000
 195 #define REALVIEW_PCI_MEM_BASE2        0x60000000
 196 /* Sizes of above maps */
 197 #define REALVIEW_PCI_BASE_SIZE         0x01000000
 198 #define REALVIEW_PCI_CFG_BASE_SIZE    0x02000000
 199 #define REALVIEW_PCI_MEM_BASE0_SIZE   0x0c000000        /* 32Mb */
 200 #define REALVIEW_PCI_MEM_BASE1_SIZE   0x10000000        /* 256Mb */
 201 #define REALVIEW_PCI_MEM_BASE2_SIZE   0x10000000        /* 256Mb */
 202
 203 #define REALVIEW_SDRAM67_BASE         0x70000000        /* SDRAM banks 6 and 7 */
 204 #define REALVIEW_LT_BASE              0x80000000        /* Logic Tile expansion */
 205
 206 /*
 207  * Disk on Chip
 208  */
 209 #define REALVIEW_DOC_BASE             0x2C000000
 210 #define REALVIEW_DOC_SIZE             (16 << 20)
 211 #define REALVIEW_DOC_PAGE_SIZE        512
 212 #define REALVIEW_DOC_TOTAL_PAGES     (DOC_SIZE / PAGE_SIZE)
 213
 214 #define ERASE_UNIT_PAGES    32
 215 #define START_PAGE          0x80
 216
 217 /*
 218  *  LED settings, bits [7:0]
 219  */
 220 #define REALVIEW_SYS_LED0             (1 << 0)
 221 #define REALVIEW_SYS_LED1             (1 << 1)
 222 #define REALVIEW_SYS_LED2             (1 << 2)
 223 #define REALVIEW_SYS_LED3             (1 << 3)
 224 #define REALVIEW_SYS_LED4             (1 << 4)
 225 #define REALVIEW_SYS_LED5             (1 << 5)
 226 #define REALVIEW_SYS_LED6             (1 << 6)
 227 #define REALVIEW_SYS_LED7             (1 << 7)
 228
 229 #define ALL_LEDS                  0xFF
 230
 231 #define LED_BANK                  REALVIEW_SYS_LED
 232
 233 /*
 234  * Control registers
 235  */
 236 #define REALVIEW_IDFIELD_OFFSET 0x0     /* RealView build information */
 237 #define REALVIEW_FLASHPROG_OFFSET       0x4     /* Flash devices */
 238 #define REALVIEW_INTREG_OFFSET          0x8     /* Interrupt control */
 239 #define REALVIEW_DECODE_OFFSET          0xC     /* Fitted logic modules */
 240
 241 /*
 242  *  Application Flash
 243  *
 244  */
 245 #define FLASH_BASE                      REALVIEW_FLASH_BASE
 246 #define FLASH_SIZE                      REALVIEW_FLASH_SIZE
 247 #define FLASH_END                       (FLASH_BASE + FLASH_SIZE - 1)
 248 #define FLASH_BLOCK_SIZE                SZ_128K
 249
 250 /*
 251  *  Boot Flash
 252  *
 253  */
 254 #define EPROM_BASE                      REALVIEW_BOOT_ROM_HI
 255 #define EPROM_SIZE                      REALVIEW_BOOT_ROM_SIZE
 256 #define EPROM_END                       (EPROM_BASE + EPROM_SIZE - 1)
 257
 258 /*
 259  *  Clean base - dummy
 260  *
 261  */
 262 #define CLEAN_BASE                      EPROM_BASE
 263
 264 /*
 265  * System controller bit assignment
 266  */
 267 #define REALVIEW_REFCLK 0
 268 #define REALVIEW_TIMCLK 1
 269
 270 #define REALVIEW_TIMER1_EnSel   15
 271 #define REALVIEW_TIMER2_EnSel   17
 272 #define REALVIEW_TIMER3_EnSel   19
 273 #define REALVIEW_TIMER4_EnSel   21
 274
 275
 276 #define MAX_TIMER                       2
 277 #define MAX_PERIOD                      699050
 278 #define TICKS_PER_uSEC                  1
 279
 280 /*
 281  *  These are useconds NOT ticks.
 282  *
 283  */
 284 #define mSEC_1                          1000
 285 #define mSEC_5                          (mSEC_1 * 5)
 286 #define mSEC_10                         (mSEC_1 * 10)
 287 #define mSEC_25                         (mSEC_1 * 25)
 288 #define SEC_1                           (mSEC_1 * 1000)
 289
 290 #define REALVIEW_CSR_BASE             0x10000000
 291 #define REALVIEW_CSR_SIZE             0x10000000
 292
 293 #endif  /* __ASM_ARCH_PLATFORM_H */