include/configs/CPC45.h

   1 /*
   2  * (C) Copyright 2001-2003
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  *
  26  * Configuration settings for the CPC45 board.
  27  *
  28  */
  29
  30 /* ------------------------------------------------------------------------- */
  31
  32 /*
  33  * board/config.h - configuration options, board specific
  34  */
  35
  36 #ifndef __CONFIG_H
  37 #define __CONFIG_H
  38
  39 /*
  40  * High Level Configuration Options
  41  * (easy to change)
  42  */
  43
  44 #define CONFIG_MPC824X          1
  45 #define CONFIG_MPC8245          1
  46 #define CONFIG_CPC45            1
  47
  48
  49 #define CONFIG_CONS_INDEX       1
  50 #define CONFIG_BAUDRATE         9600
  51 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
  52
  53 #define CONFIG_CLOCKS_IN_MHZ    1       /* clocks passsed to Linux in MHz       */
  54
  55 #define CONFIG_PREBOOT  "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
  56
  57 #define CONFIG_BOOTDELAY        5
  58
  59 #define CONFIG_BOOTP_MASK       (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
  60
  61 #define CONFIG_COMMANDS       ( CONFIG_CMD_DFL  | \
  62                                 CFG_CMD_BEDBUG  | \
  63                                 CFG_CMD_DATE    | \
  64                                 CFG_CMD_DHCP    | \
  65                                 CFG_CMD_EEPROM  | \
  66                                 CFG_CMD_I2C     | \
  67                                 CFG_CMD_PCI     | \
  68                                 CFG_CMD_SDRAM   )
  69
  70 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any)
  71  */
  72 #include <cmd_confdefs.h>
  73
  74
  75 /*
  76  * Miscellaneous configurable options
  77  */
  78 #define CFG_LONGHELP                    /* undef to save memory         */
  79 #define CFG_PROMPT      "=> "           /* Monitor Command Prompt       */
  80 #define CFG_CBSIZE      256             /* Console I/O Buffer Size      */
  81
  82 #if 1
  83 #define CFG_HUSH_PARSER         1       /* use "hush" command parser    */
  84 #endif
  85 #ifdef  CFG_HUSH_PARSER
  86 #define CFG_PROMPT_HUSH_PS2     "> "
  87 #endif
  88
  89 /* Print Buffer Size
  90  */
  91 #define CFG_PBSIZE      (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
  92
  93 #define CFG_MAXARGS     16              /* max number of command args   */
  94 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
  95 #define CFG_LOAD_ADDR   0x00100000      /* Default load address         */
  96
  97 /*-----------------------------------------------------------------------
  98  * Start addresses for the final memory configuration
  99  * (Set up by the startup code)
 100  * Please note that CFG_SDRAM_BASE _must_ start at 0
 101  */
 102
 103 #define CFG_SDRAM_BASE          0x00000000
 104
 105 #if defined(CONFIG_BOOT_ROM)
 106 #define CFG_FLASH_BASE          0xFF000000
 107 #else
 108 #define CFG_FLASH_BASE          0xFF800000
 109 #endif
 110
 111 #define CFG_RESET_ADDRESS       0xFFF00100
 112
 113 #define CFG_EUMB_ADDR           0xFCE00000
 114
 115 #define CFG_MONITOR_BASE        TEXT_BASE
 116
 117 #define CFG_MONITOR_LEN         (256 << 10)     /* Reserve 256 kB for Monitor   */
 118 #define CFG_MALLOC_LEN          (128 << 10)     /* Reserve 128 kB for malloc()  */
 119
 120 #define CFG_MEMTEST_START       0x00004000      /* memtest works on             */
 121 #define CFG_MEMTEST_END         0x02000000      /* 0 ... 32 MB in DRAM          */
 122
 123 /* Maximum amount of RAM.
 124  */
 125 #define CFG_MAX_RAM_SIZE        0x10000000
 126
 127
 128 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
 129 #undef CFG_RAMBOOT
 130 #else
 131 #define CFG_RAMBOOT
 132 #endif
 133
 134
 135 /*-----------------------------------------------------------------------
 136  * Definitions for initial stack pointer and data area
 137  */
 138
 139 /* Size in bytes reserved for initial data
 140  */
 141 #define CFG_GBL_DATA_SIZE       128
 142
 143 #define CFG_INIT_RAM_ADDR       0x40000000
 144 #define CFG_INIT_RAM_END        0x1000
 145 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 146
 147 /*
 148  * NS16550 Configuration
 149  */
 150 #define CFG_NS16550
 151 #define CFG_NS16550_SERIAL
 152
 153 #define CFG_NS16550_REG_SIZE    1
 154
 155 #define CFG_NS16550_CLK         get_bus_freq(0)
 156
 157 #define CFG_NS16550_COM1        (CFG_EUMB_ADDR + 0x4500)
 158 #define CFG_NS16550_COM2        (CFG_EUMB_ADDR + 0x4600)
 159 #define DUART_DCR               (CFG_EUMB_ADDR + 0x4511)
 160
 161 /*
 162  * I2C configuration
 163  */
 164 #define CONFIG_HARD_I2C         1       /* I2C with hardware support */
 165
 166 #define CFG_I2C_SPEED           100000 /* 100 kHz */
 167 #define CFG_I2C_SLAVE           0x7F
 168
 169 /*
 170  * RTC configuration
 171  */
 172 #define CONFIG_RTC_PCF8563
 173 #define CFG_I2C_RTC_ADDR        0x51
 174
 175 /*
 176  * EEPROM configuration
 177  */
 178 #define CFG_I2C_EEPROM_ADDR             0x58
 179 #define CFG_I2C_EEPROM_ADDR_LEN         1
 180 #define CFG_EEPROM_PAGE_WRITE_BITS      4
 181 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  10
 182 #define CFG_I2C_EEPROM_ADDR_OVERFLOW    0x07
 183
 184 /*
 185  * Low Level Configuration Settings
 186  * (address mappings, register initial values, etc.)
 187  * You should know what you are doing if you make changes here.
 188  * For the detail description refer to the MPC8240 user's manual.
 189  */
 190
 191 #define CONFIG_SYS_CLK_FREQ     33000000
 192 #define CFG_HZ                  1000
 193
 194
 195 /* Bit-field values for MCCR1.
 196  */
 197 #define CFG_ROMNAL              0
 198 #define CFG_ROMFAL              8
 199
 200 #define CFG_BANK0_ROW           0       /* SDRAM bank 7-0 row address */
 201 #define CFG_BANK1_ROW           0
 202 #define CFG_BANK2_ROW           0
 203 #define CFG_BANK3_ROW           0
 204 #define CFG_BANK4_ROW           0
 205 #define CFG_BANK5_ROW           0
 206 #define CFG_BANK6_ROW           0
 207 #define CFG_BANK7_ROW           0
 208
 209 /* Bit-field values for MCCR2.
 210  */
 211
 212 #define CFG_REFINT              0x2ec
 213
 214 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
 215  */
 216 #define CFG_BSTOPRE             160
 217
 218 /* Bit-field values for MCCR3.
 219  */
 220 #define CFG_REFREC              2       /* Refresh to activate interval         */
 221 #define CFG_RDLAT               0       /* Data latancy from read command       */
 222
 223 /* Bit-field values for MCCR4.
 224  */
 225 #define CFG_PRETOACT            2       /* Precharge to activate interval       */
 226 #define CFG_ACTTOPRE            5       /* Activate to Precharge interval       */
 227 #define CFG_SDMODE_CAS_LAT      2       /* SDMODE CAS latancy                   */
 228 #define CFG_SDMODE_WRAP         0       /* SDMODE wrap type                     */
 229 #define CFG_SDMODE_BURSTLEN     2       /* SDMODE Burst length                  */
 230 #define CFG_ACTORW              2
 231 #define CFG_REGISTERD_TYPE_BUFFER 1
 232 #define CFG_EXTROM              0
 233 #define CFG_REGDIMM             0
 234
 235 /* Memory bank settings.
 236  * Only bits 20-29 are actually used from these vales to set the
 237  * start/end addresses. The upper two bits will always be 0, and the lower
 238  * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
 239  * address. Refer to the MPC8240 book.
 240  */
 241
 242 #define CFG_BANK0_START         0x00000000
 243 #define CFG_BANK0_END           (CFG_MAX_RAM_SIZE - 1)
 244 #define CFG_BANK0_ENABLE        1
 245 #define CFG_BANK1_START         0x3ff00000
 246 #define CFG_BANK1_END           0x3fffffff
 247 #define CFG_BANK1_ENABLE        0
 248 #define CFG_BANK2_START         0x3ff00000
 249 #define CFG_BANK2_END           0x3fffffff
 250 #define CFG_BANK2_ENABLE        0
 251 #define CFG_BANK3_START         0x3ff00000
 252 #define CFG_BANK3_END           0x3fffffff
 253 #define CFG_BANK3_ENABLE        0
 254 #define CFG_BANK4_START         0x3ff00000
 255 #define CFG_BANK4_END           0x3fffffff
 256 #define CFG_BANK4_ENABLE        0
 257 #define CFG_BANK5_START         0x3ff00000
 258 #define CFG_BANK5_END           0x3fffffff
 259 #define CFG_BANK5_ENABLE        0
 260 #define CFG_BANK6_START         0x3ff00000
 261 #define CFG_BANK6_END           0x3fffffff
 262 #define CFG_BANK6_ENABLE        0
 263 #define CFG_BANK7_START         0x3ff00000
 264 #define CFG_BANK7_END           0x3fffffff
 265 #define CFG_BANK7_ENABLE        0
 266
 267 #define CFG_ODCR                0xff
 268 #define CFG_PGMAX               0x32    /* how long the 8240 retains the        */
 269                                         /* currently accessed page in memory    */
 270                                         /* see 8240 book for details            */
 271
 272 #define CFG_IBAT0L  (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
 273 #define CFG_IBAT0U  (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
 274
 275 #define CFG_IBAT1L  (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
 276 #define CFG_IBAT1U  (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
 277
 278 #define CFG_IBAT2L  (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
 279 #define CFG_IBAT2U  (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
 280
 281 #define CFG_IBAT3L  (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
 282 #define CFG_IBAT3U  (0xFC000000 | BATU_BL_64M | BATU_VS | BATU_VP)
 283
 284 #define CFG_DBAT0L  CFG_IBAT0L
 285 #define CFG_DBAT0U  CFG_IBAT0U
 286 #define CFG_DBAT1L  CFG_IBAT1L
 287 #define CFG_DBAT1U  CFG_IBAT1U
 288 #define CFG_DBAT2L  CFG_IBAT2L
 289 #define CFG_DBAT2U  CFG_IBAT2U
 290 #define CFG_DBAT3L  CFG_IBAT3L
 291 #define CFG_DBAT3U  CFG_IBAT3U
 292
 293 /*
 294  * For booting Linux, the board info and command line data
 295  * have to be in the first 8 MB of memory, since this is
 296  * the maximum mapped by the Linux kernel during initialization.
 297  */
 298 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 299
 300 /*-----------------------------------------------------------------------
 301  * FLASH organization
 302  */
 303 #define CFG_MAX_FLASH_BANKS     1       /* Max number of flash banks            */
 304 #define CFG_MAX_FLASH_SECT      39      /* Max number of sectors in one bank    */
 305 #define INTEL_ID_28F160F3T      0x88F388F3      /*  16M = 1M x 16 top boot sector       */
 306 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 307 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 308
 309         /* Warining: environment is not EMBEDDED in the ppcboot code.
 310          * It's stored in flash separately.
 311          */
 312 #define CFG_ENV_IS_IN_FLASH         1
 313
 314 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x7F8000)
 315 #define CFG_ENV_SIZE            0x4000  /* Size of the Environment              */
 316 #define CFG_ENV_OFFSET          0       /* starting right at the beginning      */
 317 #define CFG_ENV_SECT_SIZE       0x8000 /* Size of the Environment Sector        */
 318
 319 /*-----------------------------------------------------------------------
 320  * Cache Configuration
 321  */
 322 #define CFG_CACHELINE_SIZE      32
 323 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 324 #  define CFG_CACHELINE_SHIFT   5       /* log base 2 of the above value        */
 325 #endif
 326
 327 /*
 328  * Internal Definitions
 329  *
 330  * Boot Flags
 331  */
 332 #define BOOTFLAG_COLD           0x01    /* Normal Power-On: Boot from FLASH     */
 333 #define BOOTFLAG_WARM           0x02    /* Software reboot                      */
 334
 335
 336 #define SRAM_BASE               0x80000000      /* SRAM base address    */
 337 #define SRAM_END                0x801FFFFF
 338
 339 /*----------------------------------------------------------------------*/
 340 /* CPC45 Memory Map                                                     */
 341 /*----------------------------------------------------------------------*/
 342 #define SRAM_BASE       0x80000000      /* SRAM base address            */
 343 #define ST16552_A_BASE  0x80200000      /* ST16552 channel A            */
 344 #define ST16552_B_BASE  0x80400000      /* ST16552 channel A            */
 345 #define BCSR_BASE       0x80600000      /* board control / status registers */
 346 #define DISPLAY_BASE    0x80600040      /* DISPLAY base                 */
 347 #define PCMCIA_MEM_BASE 0x81000000      /* PCMCIA memory window base    */
 348 #define PCMCIA_IO_BASE  0xFE000000      /* PCMCIA IO window base        */
 349
 350
 351 /*---------------------------------------------------------------------*/
 352 /* CPC45 Control/Status Registers                                      */
 353 /*---------------------------------------------------------------------*/
 354 #define IRQ_ENA_1               *((volatile uchar*)(BCSR_BASE + 0x00))
 355 #define IRQ_STAT_1              *((volatile uchar*)(BCSR_BASE + 0x01))
 356 #define IRQ_ENA_2               *((volatile uchar*)(BCSR_BASE + 0x02))
 357 #define IRQ_STAT_2              *((volatile uchar*)(BCSR_BASE + 0x03))
 358 #define BOARD_CTRL              *((volatile uchar*)(BCSR_BASE + 0x04))
 359 #define BOARD_STAT              *((volatile uchar*)(BCSR_BASE + 0x05))
 360 #define WDG_START               *((volatile uchar*)(BCSR_BASE + 0x06))
 361 #define WDG_PRESTOP             *((volatile uchar*)(BCSR_BASE + 0x06))
 362 #define WDG_STOP                *((volatile uchar*)(BCSR_BASE + 0x06))
 363 #define BOARD_REV               *((volatile uchar*)(BCSR_BASE + 0x07))
 364
 365 /* IRQ_ENA_1 bit definitions */
 366 #define I_ENA_1_IERA    0x80            /* INTA enable                  */
 367 #define I_ENA_1_IERB    0x40            /* INTB enable                  */
 368 #define I_ENA_1_IERC    0x20            /* INTC enable                  */
 369 #define I_ENA_1_IERD    0x10            /* INTD enable                  */
 370
 371 /* IRQ_STAT_1 bit definitions */
 372 #define I_STAT_1_INTA   0x80            /* INTA status                  */
 373 #define I_STAT_1_INTB   0x40            /* INTB status                  */
 374 #define I_STAT_1_INTC   0x20            /* INTC status                  */
 375 #define I_STAT_1_INTD   0x10            /* INTD status                  */
 376
 377 /* IRQ_ENA_2 bit definitions */
 378 #define I_ENA_2_IEAB    0x80            /* ABORT IRQ enable             */
 379 #define I_ENA_2_IEK1    0x40            /* KEY1 IRQ enable              */
 380 #define I_ENA_2_IEK2    0x20            /* KEY2 IRQ enable              */
 381 #define I_ENA_2_IERT    0x10            /* RTC IRQ enable               */
 382 #define I_ENA_2_IESM    0x08            /* LM81 IRQ enable              */
 383 #define I_ENA_2_IEDG    0x04            /* DEGENERATING IRQ enable      */
 384 #define I_ENA_2_IES2    0x02            /* ST16552/B IRQ enable         */
 385 #define I_ENA_2_IES1    0x01            /* ST16552/A IRQ enable         */
 386
 387 /* IRQ_STAT_2 bit definitions */
 388 #define I_STAT_2_ABO    0x80            /* ABORT IRQ status             */
 389 #define I_STAT_2_KY1    0x40            /* KEY1 IRQ status              */
 390 #define I_STAT_2_KY2    0x20            /* KEY2 IRQ status              */
 391 #define I_STAT_2_RTC    0x10            /* RTC IRQ status               */
 392 #define I_STAT_2_SMN    0x08            /* LM81 IRQ status              */
 393 #define I_STAT_2_DEG    0x04            /* DEGENERATING IRQ status      */
 394 #define I_STAT_2_SIO2   0x02            /* ST16552/B IRQ status         */
 395 #define I_STAT_2_SIO1   0x01            /* ST16552/A IRQ status         */
 396
 397 /* BOARD_CTRL bit definitions */
 398 #define USER_LEDS               2                       /* 2 user LEDs  */
 399
 400 #if (USER_LEDS == 4)
 401 #define B_CTRL_WRSE             0x80
 402 #define B_CTRL_KRSE             0x40
 403 #define B_CTRL_FWRE             0x20            /* Flash write enable           */
 404 #define B_CTRL_FWPT             0x10            /* Flash write protect          */
 405 #define B_CTRL_LED3             0x08            /* LED 3 control                */
 406 #define B_CTRL_LED2             0x04            /* LED 2 control                */
 407 #define B_CTRL_LED1             0x02            /* LED 1 control                */
 408 #define B_CTRL_LED0             0x01            /* LED 0 control                */
 409 #else
 410 #define B_CTRL_WRSE             0x80
 411 #define B_CTRL_KRSE             0x40
 412 #define B_CTRL_FWRE_1           0x20            /* Flash write enable           */
 413 #define B_CTRL_FWPT_1           0x10            /* Flash write protect          */
 414 #define B_CTRL_LED1             0x08            /* LED 1 control                */
 415 #define B_CTRL_LED0             0x04            /* LED 0 control                */
 416 #define B_CTRL_FWRE_0           0x02            /* Flash write enable           */
 417 #define B_CTRL_FWPT_0           0x01            /* Flash write protect          */
 418 #endif
 419
 420 /* BOARD_STAT bit definitions */
 421 #define B_STAT_WDGE             0x80
 422 #define B_STAT_WDGS             0x40
 423 #define B_STAT_WRST             0x20
 424 #define B_STAT_KRST             0x10
 425 #define B_STAT_CSW3             0x08            /* sitch bit 3 status           */
 426 #define B_STAT_CSW2             0x04            /* sitch bit 2 status           */
 427 #define B_STAT_CSW1             0x02            /* sitch bit 1 status           */
 428 #define B_STAT_CSW0             0x01            /* sitch bit 0 status           */
 429
 430 /*---------------------------------------------------------------------*/
 431 /* Display addresses                                                   */
 432 /*---------------------------------------------------------------------*/
 433 #define DISP_UDC_RAM    (DISPLAY_BASE + 0x08)   /* UDC RAM             */
 434 #define DISP_CHR_RAM    (DISPLAY_BASE + 0x18)   /* character Ram       */
 435 #define DISP_FLASH      (DISPLAY_BASE + 0x20)   /* Flash Ram           */
 436
 437 #define DISP_UDC_ADR    *((volatile uchar*)(DISPLAY_BASE + 0x00))       /* UDC Address Reg.    */
 438 #define DISP_CWORD      *((volatile uchar*)(DISPLAY_BASE + 0x10))       /* Control Word Reg.   */
 439
 440 #define DISP_DIG0       *((volatile uchar*)(DISP_CHR_RAM + 0x00))       /* Digit 0 address     */
 441 #define DISP_DIG1       *((volatile uchar*)(DISP_CHR_RAM + 0x01))       /* Digit 0 address     */
 442 #define DISP_DIG2       *((volatile uchar*)(DISP_CHR_RAM + 0x02))       /* Digit 0 address     */
 443 #define DISP_DIG3       *((volatile uchar*)(DISP_CHR_RAM + 0x03))       /* Digit 0 address     */
 444 #define DISP_DIG4       *((volatile uchar*)(DISP_CHR_RAM + 0x04))       /* Digit 0 address     */
 445 #define DISP_DIG5       *((volatile uchar*)(DISP_CHR_RAM + 0x05))       /* Digit 0 address     */
 446 #define DISP_DIG6       *((volatile uchar*)(DISP_CHR_RAM + 0x06))       /* Digit 0 address     */
 447 #define DISP_DIG7       *((volatile uchar*)(DISP_CHR_RAM + 0x07))       /* Digit 0 address     */
 448
 449
 450 /*-----------------------------------------------------------------------
 451  * PCI stuff
 452  *-----------------------------------------------------------------------
 453  */
 454 #define CONFIG_PCI                      /* include pci support                  */
 455 #undef  CONFIG_PCI_PNP
 456 #undef  CONFIG_PCI_SCAN_SHOW
 457
 458 #define CONFIG_NET_MULTI                /* Multi ethernet cards support         */
 459
 460 #define CONFIG_EEPRO100
 461 #define CFG_RX_ETH_BUFFER       8       /* use 8 rx buffer on eepro100  */
 462
 463 #define PCI_ENET0_IOADDR        0x82000000
 464 #define PCI_ENET0_MEMADDR       0x82000000
 465 #define PCI_PLX9030_IOADDR      0x82100000
 466 #define PCI_PLX9030_MEMADDR     0x82100000
 467 #endif  /* __CONFIG_H */