include/configs/GEN860T.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  * Keith Outwater, keith_outwater@mvis.com
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 /*
  26  * board/config_GEN860T.h - board specific configuration options
  27  */
  28
  29 #ifndef __CONFIG_GEN860T_H
  30 #define __CONFIG_H
  31
  32 /*
  33  * High Level Configuration Options
  34  */
  35 #define CONFIG_MPC860
  36 #define CONFIG_GEN860T
  37
  38 /*
  39  * Identify the board
  40  */
  41 #if !defined(CONFIG_SC)
  42 #define CONFIG_IDENT_STRING                             " B2"
  43 #else
  44 #define CONFIG_IDENT_STRING                             " SC"
  45 #endif
  46
  47 /*
  48  * Don't depend on the RTC clock to determine clock frequency -
  49  * the 860's internal rtc uses a 32.768 KHz clock which is
  50  * generated by the DS1337 - and the DS1337 clock can be turned off.
  51  */
  52 #if !defined(CONFIG_SC)
  53 #define CONFIG_8xx_GCLK_FREQ                    66600000
  54 #else
  55 #define CONFIG_8xx_GCLK_FREQ                    48000000
  56 #endif
  57
  58 /*
  59  * The RS-232 console port is on SMC1
  60  */
  61 #define CONFIG_8xx_CONS_SMC1
  62 #define CONFIG_BAUDRATE                                 38400
  63
  64 /*
  65  * Set allowable console baud rates
  66  */
  67 #define CFG_BAUDRATE_TABLE                              { 9600,         \
  68                                                                                   19200,        \
  69                                                                                   38400,        \
  70                                                                                   57600,        \
  71                                                                                   115200,       \
  72                                                                                 }
  73
  74 /*
  75  * Print console information
  76  */
  77 #undef   CFG_CONSOLE_INFO_QUIET
  78
  79 /*
  80  * Set the autoboot delay in seconds.  A delay of -1 disables autoboot
  81  */
  82 #define CONFIG_BOOTDELAY                                5
  83
  84 /*
  85  * Pass the clock frequency to the Linux kernel in units of MHz
  86  */
  87 #define CONFIG_CLOCKS_IN_MHZ
  88
  89 #define CONFIG_PREBOOT          \
  90         "echo;echo"
  91
  92 #undef  CONFIG_BOOTARGS
  93 #define CONFIG_BOOTCOMMAND      \
  94         "bootp;" \
  95         "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
  96         "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
  97         "bootm"
  98
  99 /*
 100  * Turn off echo for serial download by default.  Allow baud rate to be changed
 101  * for downloads
 102  */
 103 #undef  CONFIG_LOADS_ECHO
 104 #define CFG_LOADS_BAUD_CHANGE
 105
 106 /*
 107  * Set default load address for tftp network downloads
 108  */
 109 #define CFG_TFTP_LOADADDR                               0x01000000
 110
 111 /*
 112  * Turn off the watchdog timer
 113  */
 114 #undef  CONFIG_WATCHDOG
 115
 116 /*
 117  * Do not reboot if a panic occurs
 118  */
 119 #define CONFIG_PANIC_HANG
 120
 121 /*
 122  * Enable the status LED
 123  */
 124 #define CONFIG_STATUS_LED
 125
 126 /*
 127  * Reset address. We pick an address such that when an instruction
 128  * is executed at that address, a machine check exception occurs
 129  */
 130 #define CFG_RESET_ADDRESS                               ((ulong) -1)
 131
 132 /*
 133  * BOOTP options
 134  */
 135 #define CONFIG_BOOTP_MASK                               ( CONFIG_BOOTP_DEFAULT          | \
 136                                                                                   CONFIG_BOOTP_BOOTFILESIZE   \
 137                                                                                 )
 138
 139 /*
 140  * The GEN860T network interface uses the on-chip 10/100 FEC with
 141  * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
 142  * MII address is hardwired on the board to zero.
 143  */
 144 #define CONFIG_FEC_ENET
 145 #define CFG_DISCOVER_PHY
 146 #define CONFIG_MII
 147 #define CONFIG_PHY_ADDR                         0
 148
 149 /*
 150  * Set default IP stuff just to get bootstrap entries into the
 151  * environment so that we can autoscript the full default environment.
 152  */
 153 #define CONFIG_ETHADDR                                  9a:52:63:15:85:25
 154 #define CONFIG_SERVERIP                                 10.0.4.201
 155 #define CONFIG_IPADDR                                   10.0.4.111
 156
 157 /*
 158  * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
 159  * the MPC860T I2C interface.
 160  */
 161 #define CFG_I2C_EEPROM_ADDR                             0x50
 162 #define CFG_EEPROM_PAGE_WRITE_BITS              6               /* 64 byte pages                */
 163 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  12              /* 10 mS w/ 20% margin  */
 164 #define CFG_I2C_EEPROM_ADDR_LEN                 2               /* need 16 bit address  */
 165 #define CFG_ENV_EEPROM_SIZE                             (32 * 1024)
 166
 167 /*
 168  * Enable I2C and select the hardware/software driver
 169  */
 170 #define CONFIG_HARD_I2C         1                               /* CPM based I2C                        */
 171 #undef  CONFIG_SOFT_I2C                                 /* Bit-banged I2C                       */
 172
 173 #ifdef CONFIG_HARD_I2C
 174 #define CFG_I2C_SPEED           100000                  /* clock speed in Hz            */
 175 #define CFG_I2C_SLAVE           0xFE                    /* I2C slave address            */
 176 #endif
 177
 178 #ifdef CONFIG_SOFT_I2C
 179 #define PB_SCL                          0x00000020              /* PB 26                                        */
 180 #define PB_SDA                          0x00000010              /* PB 27                                        */
 181 #define I2C_INIT                        (immr->im_cpm.cp_pbdir |=  PB_SCL)
 182 #define I2C_ACTIVE                      (immr->im_cpm.cp_pbdir |=  PB_SDA)
 183 #define I2C_TRISTATE            (immr->im_cpm.cp_pbdir &= ~PB_SDA)
 184 #define I2C_READ                        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
 185 #define I2C_SDA(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
 186                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SDA
 187 #define I2C_SCL(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 188                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 189 #define I2C_DELAY                       udelay(5)               /* 1/4 I2C clock duration       */
 190 #endif
 191
 192 /*
 193  * Allow environment overwrites by anyone
 194  */
 195 #define CONFIG_ENV_OVERWRITE
 196
 197 #if !defined(CONFIG_SC)
 198 /*
 199  * The MPC860's internal RTC is horribly broken in rev D masks. Three
 200  * internal MPC860T circuit nodes were inadvertently left floating; this
 201  * causes KAPWR current in power down mode to be three orders of magnitude
 202  * higher than specified in the datasheet (from 10 uA to 10 mA).  No
 203  * reasonable battery can keep that kind RTC running during powerdown for any
 204  * length of time, so we use an external RTC on the I2C bus instead.
 205  */
 206 #define CONFIG_RTC_DS1337
 207 #define CFG_I2C_RTC_ADDR                                0x68
 208
 209 #else
 210 /*
 211  * No external RTC on SC variant, so we're stuck with the internal one.
 212  */
 213 #define CONFIG_RTC_MPC8xx
 214 #endif
 215
 216 /*
 217  * Power On Self Test support
 218  */
 219 #define CONFIG_POST                       ( CFG_POST_CACHE              | \
 220                                                                 CFG_POST_MEMORY         | \
 221                                                                 CFG_POST_CPU            | \
 222                                                                 CFG_POST_UART           | \
 223                                                                 CFG_POST_SPR )
 224
 225
 226 /*
 227  * Command line configuration.
 228  */
 229 #include <config_cmd_default.h>
 230
 231 #define CONFIG_CMD_ASKENV
 232 #define CONFIG_CMD_DHCP
 233 #define CONFIG_CMD_I2C
 234 #define CONFIG_CMD_EEPROM
 235 #define CONFIG_CMD_REGINFO
 236 #define CONFIG_CMD_IMMAP
 237 #define CONFIG_CMD_ELF
 238 #define CONFIG_CMD_DATE
 239 #define CONFIG_CMD_FPGA
 240 #define CONFIG_CMD_MII
 241 #define CONFIG_CMD_BEDBUG
 242
 243 #if !defined(CONFIG_SC)
 244     #define CONFIG_CMD_DOC
 245 #endif
 246
 247 #ifdef CONFIG_POST
 248 u #define CONFIG_CMD_DIAG
 249 #endif
 250
 251 /*
 252  * There is no IDE/PCMCIA hardware support on the board.
 253  */
 254 #undef  CONFIG_IDE_PCMCIA
 255 #undef  CONFIG_IDE_LED
 256 #undef  CONFIG_IDE_RESET
 257
 258 /*
 259  * Enable the call to misc_init_r() for miscellaneous platform
 260  * dependent initialization.
 261  */
 262 #define CONFIG_MISC_INIT_R
 263
 264 /*
 265  * Enable call to last_stage_init() so we can twiddle some LEDS :)
 266  */
 267 #define CONFIG_LAST_STAGE_INIT
 268
 269 /*
 270  * Virtex2 FPGA configuration support
 271  */
 272 #define CONFIG_FPGA_COUNT               1
 273 #define CONFIG_FPGA                             CFG_XILINX_VIRTEX2
 274 #define CFG_FPGA_PROG_FEEDBACK
 275
 276
 277 #define CFG_NAND_LEGACY
 278
 279 /*
 280  * Verbose help from command monitor.
 281  */
 282 #define CFG_LONGHELP
 283 #if !defined(CONFIG_SC)
 284 #define CFG_PROMPT                      "B2> "
 285 #else
 286 #define CFG_PROMPT                      "SC> "
 287 #endif
 288
 289
 290 /*
 291  * Use the "hush" command parser
 292  */
 293 #define CFG_HUSH_PARSER
 294 #define CFG_PROMPT_HUSH_PS2     "> "
 295
 296 /*
 297  * Set buffer size for console I/O
 298  */
 299 #if defined(CONFIG_CMD_KGDB)
 300 #define CFG_CBSIZE                      1024
 301 #else
 302 #define CFG_CBSIZE                      256
 303 #endif
 304
 305 /*
 306  * Print buffer size
 307  */
 308 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
 309
 310 /*
 311  * Maximum number of arguments that a command can accept
 312  */
 313 #define CFG_MAXARGS                     16
 314
 315 /*
 316  * Boot argument buffer size
 317  */
 318 #define CFG_BARGSIZE            CFG_CBSIZE
 319
 320 /*
 321  * Default memory test range
 322  */
 323 #define CFG_MEMTEST_START       0x0100000
 324 #define CFG_MEMTEST_END         (CFG_MEMTEST_START  + (128 * 1024))
 325
 326 /*
 327  * Select the more full-featured memory test
 328  */
 329 #define CFG_ALT_MEMTEST
 330
 331 /*
 332  * Default load address
 333  */
 334 #define CFG_LOAD_ADDR           0x01000000
 335
 336 /*
 337  * Set decrementer frequency (1 ms ticks)
 338  */
 339 #define CFG_HZ                          1000
 340
 341 /*
 342  * Device memory map (after SDRAM remap to 0x0):
 343  *
 344  * CS           Device                          Base Addr       Size
 345  * ----------------------------------------------------
 346  * CS0*         Flash                           0x40000000      64 M
 347  * CS1*         SDRAM                           0x00000000      16 M
 348  * CS2*         Disk-On-Chip            0x50000000      32 K
 349  * CS3*         FPGA                            0x60000000      64 M
 350  * CS4*         SelectMap                       0x70000000      32 K
 351  * CS5*         Mil-Std 1553 I/F        0x80000000      32 K
 352  * CS6*         Unused
 353  * CS7*         Unused
 354  * IMMR         860T Registers          0xfff00000
 355  */
 356
 357 /*
 358  * Base addresses and block sizes
 359  */
 360 #define CFG_IMMR                        0xFF000000
 361
 362 #define SDRAM_BASE                      0x00000000
 363 #define SDRAM_SIZE                      (64 * 1024 * 1024)
 364
 365 #define FLASH_BASE                      0x40000000
 366 #define FLASH_SIZE                      (16 * 1024 * 1024)
 367
 368 #define DOC_BASE                        0x50000000
 369 #define DOC_SIZE                        (32 * 1024)
 370
 371 #define FPGA_BASE                       0x60000000
 372 #define FPGA_SIZE                       (64 * 1024 * 1024)
 373
 374 #define SELECTMAP_BASE          0x70000000
 375 #define SELECTMAP_SIZE          (32 * 1024)
 376
 377 #define M1553_BASE                      0x80000000
 378 #define M1553_SIZE                      (64 * 1024)
 379
 380 /*
 381  * Definitions for initial stack pointer and data area (in DPRAM)
 382  */
 383 #define CFG_INIT_RAM_ADDR               CFG_IMMR
 384 #define CFG_INIT_RAM_END                0x2F00  /* End of used area in DPRAM            */
 385 #define CFG_INIT_DATA_SIZE              64      /* # bytes reserved for initial data*/
 386 #define CFG_GBL_DATA_OFFSET             (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
 387 #define CFG_INIT_SP_OFFSET              CFG_GBL_DATA_OFFSET
 388
 389 /*
 390  * Start addresses for the final memory configuration
 391  * (Set up by the startup code)
 392  * Please note that CFG_SDRAM_BASE _must_ start at 0
 393  */
 394 #define CFG_SDRAM_BASE                  SDRAM_BASE
 395
 396 /*
 397  * FLASH organization
 398  */
 399 #define CFG_FLASH_BASE                  FLASH_BASE
 400 #define CFG_FLASH_SIZE                  FLASH_SIZE
 401 #define CFG_FLASH_SECT_SIZE             (128 * 1024)
 402 #define CFG_MAX_FLASH_BANKS             1
 403 #define CFG_MAX_FLASH_SECT              128
 404
 405 /*
 406  * The timeout values are for an entire chip and are in milliseconds.
 407  * Yes I know that the write timeout is huge.  Accroding to the
 408  * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
 409  * case VCC and temp after 100K programming cycles.  It works out
 410  * to 280 minutes (might as well be forever).
 411  */
 412 #define CFG_FLASH_ERASE_TOUT    (CFG_MAX_FLASH_SECT * 5000)
 413 #define CFG_FLASH_WRITE_TOUT    (CFG_MAX_FLASH_SECT * 128 * 1024 * 1)
 414
 415 /*
 416  * Allow direct writes to FLASH from tftp transfers (** dangerous **)
 417  */
 418 #define CFG_DIRECT_FLASH_TFTP
 419
 420 /*
 421  * Reserve memory for U-Boot.
 422  */
 423 #define CFG_MAX_UBOOT_SECTS             4
 424 #define CFG_MONITOR_LEN                 (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE)
 425 #define CFG_MONITOR_BASE                CFG_FLASH_BASE
 426
 427 /*
 428  * Select environment placement.  NOTE that u-boot.lds must
 429  * be edited if this is changed!
 430  */
 431 #undef  CFG_ENV_IS_IN_FLASH
 432 #define CFG_ENV_IS_IN_EEPROM
 433
 434 #if defined(CFG_ENV_IS_IN_EEPROM)
 435 #define CFG_ENV_SIZE                    (2 * 1024)
 436 #define CFG_ENV_OFFSET                  (CFG_ENV_EEPROM_SIZE - (8 * 1024))
 437 #else
 438 #define CFG_ENV_SIZE                    0x1000
 439 #define CFG_ENV_SECT_SIZE               CFG_FLASH_SECT_SIZE
 440
 441 /*
 442  * This ultimately gets passed right into the linker script, so we have to
 443  * use a number :(
 444  */
 445 #define CFG_ENV_OFFSET                  0x060000
 446 #endif
 447
 448 /*
 449  * Reserve memory for malloc()
 450  */
 451 #define CFG_MALLOC_LEN          (128 * 1024)
 452
 453 /*
 454  * For booting Linux, the board info and command line data
 455  * have to be in the first 8 MB of memory, since this is
 456  * the maximum mapped by the Linux kernel during initialization.
 457  */
 458 #define CFG_BOOTMAPSZ           (8 * 1024 * 1024)
 459
 460 /*
 461  * Cache Configuration
 462  */
 463 #define CFG_CACHELINE_SIZE              16      /* For all MPC8xx CPUs                          */
 464 #if defined(CONFIG_CMD_KGDB)
 465 #define CFG_CACHELINE_SHIFT             4       /* log base 2 of above value            */
 466 #endif
 467
 468 /*------------------------------------------------------------------------
 469  * SYPCR - System Protection Control                                                    UM 11-9
 470  * -----------------------------------------------------------------------
 471  * SYPCR can only be written once after reset!
 472  *
 473  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 474  */
 475 #if defined(CONFIG_WATCHDOG)
 476 #define CFG_SYPCR       ( SYPCR_SWTC    | \
 477                                           SYPCR_BMT     | \
 478                                           SYPCR_BME     | \
 479                                           SYPCR_SWF     | \
 480                                           SYPCR_SWE     | \
 481                                           SYPCR_SWRI    | \
 482                                           SYPCR_SWP               \
 483                                         )
 484 #else
 485 #define CFG_SYPCR       ( SYPCR_SWTC    | \
 486                                           SYPCR_BMT     | \
 487                                           SYPCR_BME     | \
 488                                           SYPCR_SWF     | \
 489                                           SYPCR_SWP               \
 490                                         )
 491 #endif
 492
 493 /*-----------------------------------------------------------------------
 494  * SIUMCR - SIU Module Configuration                                                    UM 11-6
 495  *-----------------------------------------------------------------------
 496  * Set debug pin mux, enable SPKROUT and GPLB5*.
 497  */
 498 #define CFG_SIUMCR      ( SIUMCR_DBGC11 | \
 499                                           SIUMCR_DBPC11 | \
 500                                           SIUMCR_MLRC11 | \
 501                                           SIUMCR_GB5E     \
 502                                         )
 503
 504 /*-----------------------------------------------------------------------
 505  * TBSCR - Time Base Status and Control                                                 UM 11-26
 506  *-----------------------------------------------------------------------
 507  * Clear Reference Interrupt Status, Timebase freeze enabled
 508  */
 509 #define CFG_TBSCR       ( TBSCR_REFA | \
 510                                           TBSCR_REFB | \
 511                                           TBSCR_TBF        \
 512                                         )
 513
 514 /*-----------------------------------------------------------------------
 515  * RTCSC - Real-Time Clock Status and Control Register                  UM 11-27
 516  *-----------------------------------------------------------------------
 517  */
 518 #define CFG_RTCSC       ( RTCSC_SEC     | \
 519                                           RTCSC_ALR | \
 520                                           RTCSC_RTF | \
 521                                           RTCSC_RTE       \
 522                                         )
 523
 524 /*-----------------------------------------------------------------------
 525  * PISCR - Periodic Interrupt Status and Control                                UM 11-31
 526  *-----------------------------------------------------------------------
 527  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 528  */
 529 #define CFG_PISCR       ( PISCR_PS              | \
 530                                           PISCR_PITF      \
 531                                         )
 532
 533 /*-----------------------------------------------------------------------
 534  * PLPRCR - PLL, Low-Power, and Reset Control Register                  UM 15-30
 535  *-----------------------------------------------------------------------
 536  * Reset PLL lock status sticky bit, timer expired status bit and timer
 537  * interrupt status bit. Set MF for 1:2:1 mode.
 538  */
 539 #define CFG_PLPRCR      ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK)    | \
 540                                           PLPRCR_SPLSS  | \
 541                                           PLPRCR_TEXPS  | \
 542                                           PLPRCR_TMIST    \
 543                                         )
 544
 545 /*-----------------------------------------------------------------------
 546  * SCCR - System Clock and reset Control Register                               UM 15-27
 547  *-----------------------------------------------------------------------
 548  * Set clock output, timebase and RTC source and divider,
 549  * power management and some other internal clocks
 550  */
 551 #define SCCR_MASK   SCCR_EBDF11
 552
 553 #if !defined(CONFIG_SC)
 554 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
 555                                           SCCR_COM00            |       /* full strength CLKOUT */ \
 556                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
 557                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
 558                                           SCCR_DFNL000          | \
 559                                           SCCR_DFNH000            \
 560                                         )
 561 #else
 562 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
 563                                           SCCR_COM00            |       /* full strength CLKOUT */ \
 564                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
 565                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
 566                                           SCCR_DFNL000          | \
 567                                           SCCR_DFNH000          | \
 568                                           SCCR_RTDIV            | \
 569                                           SCCR_RTSEL              \
 570                                         )
 571 #endif
 572
 573 /*-----------------------------------------------------------------------
 574  * DER - Debug Enable Register                                                                  UM 37-46
 575  *-----------------------------------------------------------------------
 576  * Mask all events that can cause entry into debug mode
 577  */
 578 #define CFG_DER                         0
 579
 580 /*
 581  * Initialize Memory Controller:
 582  *
 583  * BR0 and OR0 (FLASH memory)
 584  */
 585 #define FLASH_BASE0_PRELIM      FLASH_BASE
 586
 587 /*
 588  * Flash address mask
 589  */
 590 #define CFG_PRELIM_OR_AM        0xfe000000
 591
 592 /*
 593  * FLASH timing:
 594  * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
 595  */
 596 #define CFG_OR_TIMING_FLASH     ( OR_CSNT_SAM   | \
 597                                                           OR_ACS_DIV2   | \
 598                                                           OR_BI                 | \
 599                                                           OR_SCY_2_CLK  | \
 600                                                           OR_TRLX               | \
 601                                                           OR_EHTR                 \
 602                                                         )
 603
 604 #define CFG_OR0_PRELIM  ( CFG_PRELIM_OR_AM              | \
 605                                                   CFG_OR_TIMING_FLASH     \
 606                                                 )
 607
 608 #define CFG_BR0_PRELIM  ( (FLASH_BASE0_PRELIM & BR_BA_MSK)      | \
 609                                                   BR_MS_GPCM                                            | \
 610                                                   BR_PS_8                                                       | \
 611                                                   BR_V                                                            \
 612                                                 )
 613
 614 /*
 615  * SDRAM configuration
 616  */
 617 #define CFG_OR1_AM      0xfc000000
 618 #define CFG_OR1         ( (CFG_OR1_AM & OR_AM_MSK)      | \
 619                                           OR_CSNT_SAM                             \
 620                                         )
 621
 622 #define CFG_BR1         ( (SDRAM_BASE & BR_BA_MSK)      | \
 623                                           BR_MS_UPMA                            | \
 624                                           BR_PS_32                                      | \
 625                                           BR_V                                            \
 626                                         )
 627
 628 /*
 629  * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
 630  * of 256 MBit SDRAM
 631  */
 632 #define CFG_MPTPR_1BK_8K        MPTPR_PTP_DIV16
 633
 634 /*
 635  * Periodic timer for refresh @ 33 MHz system clock
 636  */
 637 #define CFG_MAMR_PTA    64
 638
 639 /*
 640  * MAMR settings for SDRAM
 641  */
 642 #define CFG_MAMR_8COL   ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT)      | \
 643                                                   MAMR_PTAE                             | \
 644                                                   MAMR_AMA_TYPE_1                       | \
 645                                                   MAMR_DSA_1_CYCL                       | \
 646                                                   MAMR_G0CLA_A10                        | \
 647                                                   MAMR_RLFA_1X                          | \
 648                                                   MAMR_WLFA_1X                          | \
 649                                                   MAMR_TLFA_4X                            \
 650                                                 )
 651
 652 /*
 653  * CS2* configuration for Disk On Chip:
 654  * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
 655  * no burst.
 656  */
 657 #define CFG_OR2_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
 658                                                   OR_CSNT_SAM                           | \
 659                                                   OR_ACS_DIV2                           | \
 660                                                   OR_BI                                         | \
 661                                                   OR_SCY_2_CLK                          | \
 662                                                   OR_TRLX                                       | \
 663                                                   OR_EHTR                                         \
 664                                                 )
 665
 666 #define CFG_BR2_PRELIM  ( (DOC_BASE & BR_BA_MSK)        | \
 667                                                   BR_PS_8                                       | \
 668                                                   BR_MS_GPCM                            | \
 669                                                   BR_V                                            \
 670                                                 )
 671
 672 /*
 673  * CS3* configuration for FPGA:
 674  * 33 MHz bus with SCY=15, no burst.
 675  * The FPGA uses TA and TEA to terminate bus cycles, but we
 676  * clear SETA and set the cycle length to a large number so that
 677  * the cycle will still complete even if there is a configuration
 678  * error that prevents TA from asserting on FPGA accesss.
 679  */
 680 #define CFG_OR3_PRELIM  ( (0xfc000000 & OR_AM_MSK)  | \
 681                                                   OR_SCY_15_CLK                         | \
 682                                                   OR_BI                                           \
 683                                                 )
 684
 685 #define CFG_BR3_PRELIM  ( (FPGA_BASE & BR_BA_MSK)       | \
 686                                                   BR_PS_32                                      | \
 687                                                   BR_MS_GPCM                            | \
 688                                                   BR_V                                            \
 689                                                 )
 690 /*
 691  * CS4* configuration for FPGA SelectMap configuration interface.
 692  * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
 693  * of GCLK1_50
 694  */
 695 #define CFG_OR4_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
 696                                                   OR_G5LS                                               | \
 697                                                   OR_BI                                                   \
 698                                                 )
 699
 700 #define CFG_BR4_PRELIM  ( (SELECTMAP_BASE & BR_BA_MSK)  | \
 701                                                   BR_PS_8                                               | \
 702                                                   BR_MS_UPMB                                    | \
 703                                                   BR_V                                                    \
 704                                                 )
 705
 706 /*
 707  * CS5* configuration for Mil-Std 1553 databus interface.
 708  * 33 MHz bus, GPCM, no burst.
 709  * The 1553 interface  uses TA and TEA to terminate bus cycles,
 710  * but we clear SETA and set the cycle length to a large number so that
 711  * the cycle will still complete even if there is a configuration
 712  * error that prevents TA from asserting on FPGA accesss.
 713  */
 714 #define CFG_OR5_PRELIM  ( (0xffff0000 & OR_AM_MSK)  | \
 715                                                   OR_SCY_15_CLK                         | \
 716                                                   OR_EHTR                                       | \
 717                                                   OR_TRLX                                       | \
 718                                                   OR_CSNT_SAM                           | \
 719                                                   OR_BI                                           \
 720                                                 )
 721
 722 #define CFG_BR5_PRELIM  ( (M1553_BASE & BR_BA_MSK)      | \
 723                                                   BR_PS_16                                      | \
 724                                                   BR_MS_GPCM                            | \
 725                                                   BR_V                                            \
 726                                                 )
 727
 728 /*
 729  * Boot Flags
 730  */
 731 #define BOOTFLAG_COLD   0x01    /* Normal Power-On: Boot from FLASH     */
 732 #define BOOTFLAG_WARM   0x02    /* Software reboot                                      */
 733
 734 /*
 735  * Disk On Chip (millenium) configuration
 736  */
 737 #if !defined(CONFIG_SC)
 738 #define CFG_MAX_DOC_DEVICE      1
 739 #undef  CFG_DOC_SUPPORT_2000
 740 #define CFG_DOC_SUPPORT_MILLENNIUM
 741 #undef  CFG_DOC_PASSIVE_PROBE
 742 #endif
 743
 744 /*
 745  * FEC interrupt assignment
 746  */
 747 #define FEC_INTERRUPT   SIU_LEVEL1
 748
 749 /*
 750  * Sanity checks
 751  */
 752 #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
 753 #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
 754 #endif
 755
 756 #endif  /* __CONFIG_GEN860T_H */
 757
 758 /* vim: set ts=4 tw=78 ai shiftwidth=4: */