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

   1 /*
   2  * linux/include/asm-arm/arch-realview/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 #define REALVIEW_FLASH_BASE           0x40000000
  36 #define REALVIEW_FLASH_SIZE           SZ_64M
  37
  38 /*
  39  *  SDRAM
  40  */
  41 #define REALVIEW_SDRAM_BASE           0x00000000
  42
  43 /*
  44  *  Logic expansion modules
  45  *
  46  */
  47
  48
  49 /* ------------------------------------------------------------------------
  50  *  RealView Registers
  51  * ------------------------------------------------------------------------
  52  *
  53  */
  54 #define REALVIEW_SYS_ID_OFFSET               0x00
  55 #define REALVIEW_SYS_SW_OFFSET               0x04
  56 #define REALVIEW_SYS_LED_OFFSET              0x08
  57 #define REALVIEW_SYS_OSC0_OFFSET             0x0C
  58
  59 #define REALVIEW_SYS_OSC1_OFFSET             0x10
  60 #define REALVIEW_SYS_OSC2_OFFSET             0x14
  61 #define REALVIEW_SYS_OSC3_OFFSET             0x18
  62 #define REALVIEW_SYS_OSC4_OFFSET             0x1C       /* OSC1 for RealView/AB */
  63
  64 #define REALVIEW_SYS_LOCK_OFFSET             0x20
  65 #define REALVIEW_SYS_100HZ_OFFSET            0x24
  66 #define REALVIEW_SYS_CFGDATA1_OFFSET         0x28
  67 #define REALVIEW_SYS_CFGDATA2_OFFSET         0x2C
  68 #define REALVIEW_SYS_FLAGS_OFFSET            0x30
  69 #define REALVIEW_SYS_FLAGSSET_OFFSET         0x30
  70 #define REALVIEW_SYS_FLAGSCLR_OFFSET         0x34
  71 #define REALVIEW_SYS_NVFLAGS_OFFSET          0x38
  72 #define REALVIEW_SYS_NVFLAGSSET_OFFSET       0x38
  73 #define REALVIEW_SYS_NVFLAGSCLR_OFFSET       0x3C
  74 #define REALVIEW_SYS_RESETCTL_OFFSET         0x40
  75 #define REALVIEW_SYS_PCICTL_OFFSET           0x44
  76 #define REALVIEW_SYS_MCI_OFFSET              0x48
  77 #define REALVIEW_SYS_FLASH_OFFSET            0x4C
  78 #define REALVIEW_SYS_CLCD_OFFSET             0x50
  79 #define REALVIEW_SYS_CLCDSER_OFFSET          0x54
  80 #define REALVIEW_SYS_BOOTCS_OFFSET           0x58
  81 #define REALVIEW_SYS_24MHz_OFFSET            0x5C
  82 #define REALVIEW_SYS_MISC_OFFSET             0x60
  83 #define REALVIEW_SYS_IOSEL_OFFSET            0x70
  84 #define REALVIEW_SYS_PROCID_OFFSET           0x84
  85 #define REALVIEW_SYS_TEST_OSC0_OFFSET        0xC0
  86 #define REALVIEW_SYS_TEST_OSC1_OFFSET        0xC4
  87 #define REALVIEW_SYS_TEST_OSC2_OFFSET        0xC8
  88 #define REALVIEW_SYS_TEST_OSC3_OFFSET        0xCC
  89 #define REALVIEW_SYS_TEST_OSC4_OFFSET        0xD0
  90
  91 #define REALVIEW_SYS_BASE                    0x10000000
  92 #define REALVIEW_SYS_ID                      (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
  93 #define REALVIEW_SYS_SW                      (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
  94 #define REALVIEW_SYS_LED                     (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
  95 #define REALVIEW_SYS_OSC0                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
  96 #define REALVIEW_SYS_OSC1                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
  97
  98 #define REALVIEW_SYS_LOCK                    (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
  99 #define REALVIEW_SYS_100HZ                   (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
 100 #define REALVIEW_SYS_CFGDATA1                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
 101 #define REALVIEW_SYS_CFGDATA2                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
 102 #define REALVIEW_SYS_FLAGS                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
 103 #define REALVIEW_SYS_FLAGSSET                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
 104 #define REALVIEW_SYS_FLAGSCLR                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
 105 #define REALVIEW_SYS_NVFLAGS                 (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
 106 #define REALVIEW_SYS_NVFLAGSSET              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
 107 #define REALVIEW_SYS_NVFLAGSCLR              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
 108 #define REALVIEW_SYS_RESETCTL                (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
 109 #define REALVIEW_SYS_PCICTL                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
 110 #define REALVIEW_SYS_MCI                     (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
 111 #define REALVIEW_SYS_FLASH                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
 112 #define REALVIEW_SYS_CLCD                    (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
 113 #define REALVIEW_SYS_CLCDSER                 (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
 114 #define REALVIEW_SYS_BOOTCS                  (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
 115 #define REALVIEW_SYS_24MHz                   (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
 116 #define REALVIEW_SYS_MISC                    (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
 117 #define REALVIEW_SYS_IOSEL                   (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
 118 #define REALVIEW_SYS_PROCID                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PROCID_OFFSET)
 119 #define REALVIEW_SYS_TEST_OSC0               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
 120 #define REALVIEW_SYS_TEST_OSC1               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
 121 #define REALVIEW_SYS_TEST_OSC2               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
 122 #define REALVIEW_SYS_TEST_OSC3               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
 123 #define REALVIEW_SYS_TEST_OSC4               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
 124
 125 /*
 126  * Values for REALVIEW_SYS_RESET_CTRL
 127  */
 128 #define REALVIEW_SYS_CTRL_RESET_CONFIGCLR    0x01
 129 #define REALVIEW_SYS_CTRL_RESET_CONFIGINIT   0x02
 130 #define REALVIEW_SYS_CTRL_RESET_DLLRESET     0x03
 131 #define REALVIEW_SYS_CTRL_RESET_PLLRESET     0x04
 132 #define REALVIEW_SYS_CTRL_RESET_POR          0x05
 133 #define REALVIEW_SYS_CTRL_RESET_DoC          0x06
 134
 135 #define REALVIEW_SYS_CTRL_LED         (1 << 0)
 136
 137
 138 /* ------------------------------------------------------------------------
 139  *  RealView control registers
 140  * ------------------------------------------------------------------------
 141  */
 142
 143 /*
 144  * REALVIEW_IDFIELD
 145  *
 146  * 31:24 = manufacturer (0x41 = ARM)
 147  * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
 148  * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
 149  * 11:4  = build value
 150  * 3:0   = revision number (0x1 = rev B (AHB))
 151  */
 152
 153 /*
 154  * REALVIEW_SYS_LOCK
 155  *     control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
 156  *     SYS_CLD, SYS_BOOTCS
 157  */
 158 #define REALVIEW_SYS_LOCK_LOCKED    (1 << 16)
 159 #define REALVIEW_SYS_LOCKVAL_MASK       0xFFFF          /* write 0xA05F to enable write access */
 160
 161 /*
 162  * REALVIEW_SYS_FLASH
 163  */
 164 #define REALVIEW_FLASHPROG_FLVPPEN      (1 << 0)        /* Enable writing to flash */
 165
 166 /*
 167  * REALVIEW_INTREG
 168  *     - used to acknowledge and control MMCI and UART interrupts
 169  */
 170 #define REALVIEW_INTREG_WPROT        0x00    /* MMC protection status (no interrupt generated) */
 171 #define REALVIEW_INTREG_RI0          0x01    /* Ring indicator UART0 is asserted,              */
 172 #define REALVIEW_INTREG_CARDIN       0x08    /* MMCI card in detect                            */
 173                                                 /* write 1 to acknowledge and clear               */
 174 #define REALVIEW_INTREG_RI1          0x02    /* Ring indicator UART1 is asserted,              */
 175 #define REALVIEW_INTREG_CARDINSERT   0x03    /* Signal insertion of MMC card                   */
 176
 177 /*
 178  * REALVIEW peripheral addresses
 179  */
 180 #define REALVIEW_SCTL_BASE            0x10001000        /* System controller */
 181 #define REALVIEW_I2C_BASE             0x10002000        /* I2C control */
 182         /* Reserved 0x10003000 */
 183 #define REALVIEW_AACI_BASE            0x10004000        /* Audio */
 184 #define REALVIEW_MMCI0_BASE           0x10005000        /* MMC interface */
 185 #define REALVIEW_KMI0_BASE            0x10006000        /* KMI interface */
 186 #define REALVIEW_KMI1_BASE            0x10007000        /* KMI 2nd interface */
 187 #define REALVIEW_CHAR_LCD_BASE        0x10008000        /* Character LCD */
 188 #define REALVIEW_UART0_BASE           0x10009000        /* UART 0 */
 189 #define REALVIEW_UART1_BASE           0x1000A000        /* UART 1 */
 190 #define REALVIEW_UART2_BASE           0x1000B000        /* UART 2 */
 191 #define REALVIEW_UART3_BASE           0x1000C000        /* UART 3 */
 192 #define REALVIEW_SSP_BASE             0x1000D000        /* Synchronous Serial Port */
 193 #define REALVIEW_SCI_BASE             0x1000E000        /* Smart card controller */
 194         /* Reserved 0x1000F000 */
 195 #define REALVIEW_WATCHDOG_BASE        0x10010000        /* watchdog interface */
 196 #define REALVIEW_TIMER0_1_BASE        0x10011000        /* Timer 0 and 1 */
 197 #define REALVIEW_TIMER2_3_BASE        0x10012000        /* Timer 2 and 3 */
 198 #define REALVIEW_GPIO0_BASE           0x10013000        /* GPIO port 0 */
 199 #define REALVIEW_GPIO1_BASE           0x10014000        /* GPIO port 1 */
 200 #define REALVIEW_GPIO2_BASE           0x10015000        /* GPIO port 2 */
 201         /* Reserved 0x10016000 */
 202 #define REALVIEW_RTC_BASE             0x10017000        /* Real Time Clock */
 203 #define REALVIEW_DMC_BASE             0x10018000        /* DMC configuration */
 204 #define REALVIEW_PCI_CORE_BASE        0x10019000        /* PCI configuration */
 205         /* Reserved 0x1001A000 - 0x1001FFFF */
 206 #define REALVIEW_CLCD_BASE            0x10020000        /* CLCD */
 207 #define REALVIEW_DMAC_BASE            0x10030000        /* DMA controller */
 208 #define REALVIEW_GIC_CPU_BASE         0x10040000        /* Generic interrupt controller CPU interface */
 209 #define REALVIEW_GIC_DIST_BASE        0x10041000        /* Generic interrupt controller distributor */
 210 #define REALVIEW_SMC_BASE             0x10080000        /* SMC */
 211         /* Reserved 0x10090000 - 0x100EFFFF */
 212
 213 #define REALVIEW_ETH_BASE             0x4E000000        /* Ethernet */
 214
 215 /* PCI space */
 216 #define REALVIEW_PCI_BASE             0x41000000        /* PCI Interface */
 217 #define REALVIEW_PCI_CFG_BASE         0x42000000
 218 #define REALVIEW_PCI_MEM_BASE0        0x44000000
 219 #define REALVIEW_PCI_MEM_BASE1        0x50000000
 220 #define REALVIEW_PCI_MEM_BASE2        0x60000000
 221 /* Sizes of above maps */
 222 #define REALVIEW_PCI_BASE_SIZE         0x01000000
 223 #define REALVIEW_PCI_CFG_BASE_SIZE    0x02000000
 224 #define REALVIEW_PCI_MEM_BASE0_SIZE   0x0c000000        /* 32Mb */
 225 #define REALVIEW_PCI_MEM_BASE1_SIZE   0x10000000        /* 256Mb */
 226 #define REALVIEW_PCI_MEM_BASE2_SIZE   0x10000000        /* 256Mb */
 227
 228 #define REALVIEW_SDRAM67_BASE         0x70000000        /* SDRAM banks 6 and 7 */
 229 #define REALVIEW_LT_BASE              0x80000000        /* Logic Tile expansion */
 230
 231 /*
 232  * Disk on Chip
 233  */
 234 #define REALVIEW_DOC_BASE             0x2C000000
 235 #define REALVIEW_DOC_SIZE             (16 << 20)
 236 #define REALVIEW_DOC_PAGE_SIZE        512
 237 #define REALVIEW_DOC_TOTAL_PAGES     (DOC_SIZE / PAGE_SIZE)
 238
 239 #define ERASE_UNIT_PAGES    32
 240 #define START_PAGE          0x80
 241
 242 /*
 243  *  LED settings, bits [7:0]
 244  */
 245 #define REALVIEW_SYS_LED0             (1 << 0)
 246 #define REALVIEW_SYS_LED1             (1 << 1)
 247 #define REALVIEW_SYS_LED2             (1 << 2)
 248 #define REALVIEW_SYS_LED3             (1 << 3)
 249 #define REALVIEW_SYS_LED4             (1 << 4)
 250 #define REALVIEW_SYS_LED5             (1 << 5)
 251 #define REALVIEW_SYS_LED6             (1 << 6)
 252 #define REALVIEW_SYS_LED7             (1 << 7)
 253
 254 #define ALL_LEDS                  0xFF
 255
 256 #define LED_BANK                  REALVIEW_SYS_LED
 257
 258 /*
 259  * Control registers
 260  */
 261 #define REALVIEW_IDFIELD_OFFSET 0x0     /* RealView build information */
 262 #define REALVIEW_FLASHPROG_OFFSET       0x4     /* Flash devices */
 263 #define REALVIEW_INTREG_OFFSET          0x8     /* Interrupt control */
 264 #define REALVIEW_DECODE_OFFSET          0xC     /* Fitted logic modules */
 265
 266 /*
 267  *  Application Flash
 268  *
 269  */
 270 #define FLASH_BASE                      REALVIEW_FLASH_BASE
 271 #define FLASH_SIZE                      REALVIEW_FLASH_SIZE
 272 #define FLASH_END                       (FLASH_BASE + FLASH_SIZE - 1)
 273 #define FLASH_BLOCK_SIZE                SZ_128K
 274
 275 /*
 276  *  Boot Flash
 277  *
 278  */
 279 #define EPROM_BASE                      REALVIEW_BOOT_ROM_HI
 280 #define EPROM_SIZE                      REALVIEW_BOOT_ROM_SIZE
 281 #define EPROM_END                       (EPROM_BASE + EPROM_SIZE - 1)
 282
 283 /*
 284  *  Clean base - dummy
 285  *
 286  */
 287 #define CLEAN_BASE                      EPROM_BASE
 288
 289 /*
 290  * System controller bit assignment
 291  */
 292 #define REALVIEW_REFCLK 0
 293 #define REALVIEW_TIMCLK 1
 294
 295 #define REALVIEW_TIMER1_EnSel   15
 296 #define REALVIEW_TIMER2_EnSel   17
 297 #define REALVIEW_TIMER3_EnSel   19
 298 #define REALVIEW_TIMER4_EnSel   21
 299
 300
 301 #define MAX_TIMER                       2
 302 #define MAX_PERIOD                      699050
 303 #define TICKS_PER_uSEC                  1
 304
 305 /*
 306  *  These are useconds NOT ticks.
 307  *
 308  */
 309 #define mSEC_1                          1000
 310 #define mSEC_5                          (mSEC_1 * 5)
 311 #define mSEC_10                         (mSEC_1 * 10)
 312 #define mSEC_25                         (mSEC_1 * 25)
 313 #define SEC_1                           (mSEC_1 * 1000)
 314
 315 #define REALVIEW_CSR_BASE             0x10000000
 316 #define REALVIEW_CSR_SIZE             0x10000000
 317
 318 #endif  /* __ASM_ARCH_PLATFORM_H */