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_SUBNETMASK
 136 #define CONFIG_BOOTP_GATEWAY
 137 #define CONFIG_BOOTP_HOSTNAME
 138 #define CONFIG_BOOTP_BOOTPATH
 139 #define CONFIG_BOOTP_BOOTFILESIZE
 140
 141
 142 /*
 143  * The GEN860T network interface uses the on-chip 10/100 FEC with
 144  * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
 145  * MII address is hardwired on the board to zero.
 146  */
 147 #define CONFIG_FEC_ENET
 148 #define CFG_DISCOVER_PHY
 149 #define CONFIG_MII
 150 #define CONFIG_PHY_ADDR                         0
 151
 152 /*
 153  * Set default IP stuff just to get bootstrap entries into the
 154  * environment so that we can autoscript the full default environment.
 155  */
 156 #define CONFIG_ETHADDR                                  9a:52:63:15:85:25
 157 #define CONFIG_SERVERIP                                 10.0.4.201
 158 #define CONFIG_IPADDR                                   10.0.4.111
 159
 160 /*
 161  * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
 162  * the MPC860T I2C interface.
 163  */
 164 #define CFG_I2C_EEPROM_ADDR                             0x50
 165 #define CFG_EEPROM_PAGE_WRITE_BITS              6               /* 64 byte pages                */
 166 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  12              /* 10 mS w/ 20% margin  */
 167 #define CFG_I2C_EEPROM_ADDR_LEN                 2               /* need 16 bit address  */
 168 #define CFG_ENV_EEPROM_SIZE                             (32 * 1024)
 169
 170 /*
 171  * Enable I2C and select the hardware/software driver
 172  */
 173 #define CONFIG_HARD_I2C         1                               /* CPM based I2C                        */
 174 #undef  CONFIG_SOFT_I2C                                 /* Bit-banged I2C                       */
 175
 176 #ifdef CONFIG_HARD_I2C
 177 #define CFG_I2C_SPEED           100000                  /* clock speed in Hz            */
 178 #define CFG_I2C_SLAVE           0xFE                    /* I2C slave address            */
 179 #endif
 180
 181 #ifdef CONFIG_SOFT_I2C
 182 #define PB_SCL                          0x00000020              /* PB 26                                        */
 183 #define PB_SDA                          0x00000010              /* PB 27                                        */
 184 #define I2C_INIT                        (immr->im_cpm.cp_pbdir |=  PB_SCL)
 185 #define I2C_ACTIVE                      (immr->im_cpm.cp_pbdir |=  PB_SDA)
 186 #define I2C_TRISTATE            (immr->im_cpm.cp_pbdir &= ~PB_SDA)
 187 #define I2C_READ                        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
 188 #define I2C_SDA(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
 189                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SDA
 190 #define I2C_SCL(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 191                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 192 #define I2C_DELAY                       udelay(5)               /* 1/4 I2C clock duration       */
 193 #endif
 194
 195 /*
 196  * Allow environment overwrites by anyone
 197  */
 198 #define CONFIG_ENV_OVERWRITE
 199
 200 #if !defined(CONFIG_SC)
 201 /*
 202  * The MPC860's internal RTC is horribly broken in rev D masks. Three
 203  * internal MPC860T circuit nodes were inadvertently left floating; this
 204  * causes KAPWR current in power down mode to be three orders of magnitude
 205  * higher than specified in the datasheet (from 10 uA to 10 mA).  No
 206  * reasonable battery can keep that kind RTC running during powerdown for any
 207  * length of time, so we use an external RTC on the I2C bus instead.
 208  */
 209 #define CONFIG_RTC_DS1337
 210 #define CFG_I2C_RTC_ADDR                                0x68
 211
 212 #else
 213 /*
 214  * No external RTC on SC variant, so we're stuck with the internal one.
 215  */
 216 #define CONFIG_RTC_MPC8xx
 217 #endif
 218
 219 /*
 220  * Power On Self Test support
 221  */
 222 #define CONFIG_POST                       ( CFG_POST_CACHE              | \
 223                                                                 CFG_POST_MEMORY         | \
 224                                                                 CFG_POST_CPU            | \
 225                                                                 CFG_POST_UART           | \
 226                                                                 CFG_POST_SPR )
 227
 228
 229 /*
 230  * Command line configuration.
 231  */
 232 #include <config_cmd_default.h>
 233
 234 #define CONFIG_CMD_ASKENV
 235 #define CONFIG_CMD_DHCP
 236 #define CONFIG_CMD_I2C
 237 #define CONFIG_CMD_EEPROM
 238 #define CONFIG_CMD_REGINFO
 239 #define CONFIG_CMD_IMMAP
 240 #define CONFIG_CMD_ELF
 241 #define CONFIG_CMD_DATE
 242 #define CONFIG_CMD_FPGA
 243 #define CONFIG_CMD_MII
 244 #define CONFIG_CMD_BEDBUG
 245
 246 #if !defined(CONFIG_SC)
 247     #define CONFIG_CMD_DOC
 248 #endif
 249
 250 #ifdef CONFIG_POST
 251 #define CONFIG_CMD_DIAG
 252 #endif
 253
 254 /*
 255  * There is no IDE/PCMCIA hardware support on the board.
 256  */
 257 #undef  CONFIG_IDE_PCMCIA
 258 #undef  CONFIG_IDE_LED
 259 #undef  CONFIG_IDE_RESET
 260
 261 /*
 262  * Enable the call to misc_init_r() for miscellaneous platform
 263  * dependent initialization.
 264  */
 265 #define CONFIG_MISC_INIT_R
 266
 267 /*
 268  * Enable call to last_stage_init() so we can twiddle some LEDS :)
 269  */
 270 #define CONFIG_LAST_STAGE_INIT
 271
 272 /*
 273  * Virtex2 FPGA configuration support
 274  */
 275 #define CONFIG_FPGA_COUNT               1
 276 #define CONFIG_FPGA                             CFG_XILINX_VIRTEX2
 277 #define CFG_FPGA_PROG_FEEDBACK
 278
 279
 280 #define CFG_NAND_LEGACY
 281
 282 /*
 283  * Verbose help from command monitor.
 284  */
 285 #define CFG_LONGHELP
 286 #if !defined(CONFIG_SC)
 287 #define CFG_PROMPT                      "B2> "
 288 #else
 289 #define CFG_PROMPT                      "SC> "
 290 #endif
 291
 292
 293 /*
 294  * Use the "hush" command parser
 295  */
 296 #define CFG_HUSH_PARSER
 297 #define CFG_PROMPT_HUSH_PS2     "> "
 298
 299 /*
 300  * Set buffer size for console I/O
 301  */
 302 #if defined(CONFIG_CMD_KGDB)
 303 #define CFG_CBSIZE                      1024
 304 #else
 305 #define CFG_CBSIZE                      256
 306 #endif
 307
 308 /*
 309  * Print buffer size
 310  */
 311 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
 312
 313 /*
 314  * Maximum number of arguments that a command can accept
 315  */
 316 #define CFG_MAXARGS                     16
 317
 318 /*
 319  * Boot argument buffer size
 320  */
 321 #define CFG_BARGSIZE            CFG_CBSIZE
 322
 323 /*
 324  * Default memory test range
 325  */
 326 #define CFG_MEMTEST_START       0x0100000
 327 #define CFG_MEMTEST_END         (CFG_MEMTEST_START  + (128 * 1024))
 328
 329 /*
 330  * Select the more full-featured memory test
 331  */
 332 #define CFG_ALT_MEMTEST
 333
 334 /*
 335  * Default load address
 336  */
 337 #define CFG_LOAD_ADDR           0x01000000
 338
 339 /*
 340  * Set decrementer frequency (1 ms ticks)
 341  */
 342 #define CFG_HZ                          1000
 343
 344 /*
 345  * Device memory map (after SDRAM remap to 0x0):
 346  *
 347  * CS           Device                          Base Addr       Size
 348  * ----------------------------------------------------
 349  * CS0*         Flash                           0x40000000      64 M
 350  * CS1*         SDRAM                           0x00000000      16 M
 351  * CS2*         Disk-On-Chip            0x50000000      32 K
 352  * CS3*         FPGA                            0x60000000      64 M
 353  * CS4*         SelectMap                       0x70000000      32 K
 354  * CS5*         Mil-Std 1553 I/F        0x80000000      32 K
 355  * CS6*         Unused
 356  * CS7*         Unused
 357  * IMMR         860T Registers          0xfff00000
 358  */
 359
 360 /*
 361  * Base addresses and block sizes
 362  */
 363 #define CFG_IMMR                        0xFF000000
 364
 365 #define SDRAM_BASE                      0x00000000
 366 #define SDRAM_SIZE                      (64 * 1024 * 1024)
 367
 368 #define FLASH_BASE                      0x40000000
 369 #define FLASH_SIZE                      (16 * 1024 * 1024)
 370
 371 #define DOC_BASE                        0x50000000
 372 #define DOC_SIZE                        (32 * 1024)
 373
 374 #define FPGA_BASE                       0x60000000
 375 #define FPGA_SIZE                       (64 * 1024 * 1024)
 376
 377 #define SELECTMAP_BASE          0x70000000
 378 #define SELECTMAP_SIZE          (32 * 1024)
 379
 380 #define M1553_BASE                      0x80000000
 381 #define M1553_SIZE                      (64 * 1024)
 382
 383 /*
 384  * Definitions for initial stack pointer and data area (in DPRAM)
 385  */
 386 #define CFG_INIT_RAM_ADDR               CFG_IMMR
 387 #define CFG_INIT_RAM_END                0x2F00  /* End of used area in DPRAM            */
 388 #define CFG_INIT_DATA_SIZE              64      /* # bytes reserved for initial data*/
 389 #define CFG_GBL_DATA_OFFSET             (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
 390 #define CFG_INIT_SP_OFFSET              CFG_GBL_DATA_OFFSET
 391
 392 /*
 393  * Start addresses for the final memory configuration
 394  * (Set up by the startup code)
 395  * Please note that CFG_SDRAM_BASE _must_ start at 0
 396  */
 397 #define CFG_SDRAM_BASE                  SDRAM_BASE
 398
 399 /*
 400  * FLASH organization
 401  */
 402 #define CFG_FLASH_BASE                  FLASH_BASE
 403 #define CFG_FLASH_SIZE                  FLASH_SIZE
 404 #define CFG_FLASH_SECT_SIZE             (128 * 1024)
 405 #define CFG_MAX_FLASH_BANKS             1
 406 #define CFG_MAX_FLASH_SECT              128
 407
 408 /*
 409  * The timeout values are for an entire chip and are in milliseconds.
 410  * Yes I know that the write timeout is huge.  Accroding to the
 411  * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
 412  * case VCC and temp after 100K programming cycles.  It works out
 413  * to 280 minutes (might as well be forever).
 414  */
 415 #define CFG_FLASH_ERASE_TOUT    (CFG_MAX_FLASH_SECT * 5000)
 416 #define CFG_FLASH_WRITE_TOUT    (CFG_MAX_FLASH_SECT * 128 * 1024 * 1)
 417
 418 /*
 419  * Allow direct writes to FLASH from tftp transfers (** dangerous **)
 420  */
 421 #define CFG_DIRECT_FLASH_TFTP
 422
 423 /*
 424  * Reserve memory for U-Boot.
 425  */
 426 #define CFG_MAX_UBOOT_SECTS             4
 427 #define CFG_MONITOR_LEN                 (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE)
 428 #define CFG_MONITOR_BASE                CFG_FLASH_BASE
 429
 430 /*
 431  * Select environment placement.  NOTE that u-boot.lds must
 432  * be edited if this is changed!
 433  */
 434 #undef  CFG_ENV_IS_IN_FLASH
 435 #define CFG_ENV_IS_IN_EEPROM
 436
 437 #if defined(CFG_ENV_IS_IN_EEPROM)
 438 #define CFG_ENV_SIZE                    (2 * 1024)
 439 #define CFG_ENV_OFFSET                  (CFG_ENV_EEPROM_SIZE - (8 * 1024))
 440 #else
 441 #define CFG_ENV_SIZE                    0x1000
 442 #define CFG_ENV_SECT_SIZE               CFG_FLASH_SECT_SIZE
 443
 444 /*
 445  * This ultimately gets passed right into the linker script, so we have to
 446  * use a number :(
 447  */
 448 #define CFG_ENV_OFFSET                  0x060000
 449 #endif
 450
 451 /*
 452  * Reserve memory for malloc()
 453  */
 454 #define CFG_MALLOC_LEN          (128 * 1024)
 455
 456 /*
 457  * For booting Linux, the board info and command line data
 458  * have to be in the first 8 MB of memory, since this is
 459  * the maximum mapped by the Linux kernel during initialization.
 460  */
 461 #define CFG_BOOTMAPSZ           (8 * 1024 * 1024)
 462
 463 /*
 464  * Cache Configuration
 465  */
 466 #define CFG_CACHELINE_SIZE              16      /* For all MPC8xx CPUs                          */
 467 #if defined(CONFIG_CMD_KGDB)
 468 #define CFG_CACHELINE_SHIFT             4       /* log base 2 of above value            */
 469 #endif
 470
 471 /*------------------------------------------------------------------------
 472  * SYPCR - System Protection Control                                                    UM 11-9
 473  * -----------------------------------------------------------------------
 474  * SYPCR can only be written once after reset!
 475  *
 476  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 477  */
 478 #if defined(CONFIG_WATCHDOG)
 479 #define CFG_SYPCR       ( SYPCR_SWTC    | \
 480                                           SYPCR_BMT     | \
 481                                           SYPCR_BME     | \
 482                                           SYPCR_SWF     | \
 483                                           SYPCR_SWE     | \
 484                                           SYPCR_SWRI    | \
 485                                           SYPCR_SWP               \
 486                                         )
 487 #else
 488 #define CFG_SYPCR       ( SYPCR_SWTC    | \
 489                                           SYPCR_BMT     | \
 490                                           SYPCR_BME     | \
 491                                           SYPCR_SWF     | \
 492                                           SYPCR_SWP               \
 493                                         )
 494 #endif
 495
 496 /*-----------------------------------------------------------------------
 497  * SIUMCR - SIU Module Configuration                                                    UM 11-6
 498  *-----------------------------------------------------------------------
 499  * Set debug pin mux, enable SPKROUT and GPLB5*.
 500  */
 501 #define CFG_SIUMCR      ( SIUMCR_DBGC11 | \
 502                                           SIUMCR_DBPC11 | \
 503                                           SIUMCR_MLRC11 | \
 504                                           SIUMCR_GB5E     \
 505                                         )
 506
 507 /*-----------------------------------------------------------------------
 508  * TBSCR - Time Base Status and Control                                                 UM 11-26
 509  *-----------------------------------------------------------------------
 510  * Clear Reference Interrupt Status, Timebase freeze enabled
 511  */
 512 #define CFG_TBSCR       ( TBSCR_REFA | \
 513                                           TBSCR_REFB | \
 514                                           TBSCR_TBF        \
 515                                         )
 516
 517 /*-----------------------------------------------------------------------
 518  * RTCSC - Real-Time Clock Status and Control Register                  UM 11-27
 519  *-----------------------------------------------------------------------
 520  */
 521 #define CFG_RTCSC       ( RTCSC_SEC     | \
 522                                           RTCSC_ALR | \
 523                                           RTCSC_RTF | \
 524                                           RTCSC_RTE       \
 525                                         )
 526
 527 /*-----------------------------------------------------------------------
 528  * PISCR - Periodic Interrupt Status and Control                                UM 11-31
 529  *-----------------------------------------------------------------------
 530  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 531  */
 532 #define CFG_PISCR       ( PISCR_PS              | \
 533                                           PISCR_PITF      \
 534                                         )
 535
 536 /*-----------------------------------------------------------------------
 537  * PLPRCR - PLL, Low-Power, and Reset Control Register                  UM 15-30
 538  *-----------------------------------------------------------------------
 539  * Reset PLL lock status sticky bit, timer expired status bit and timer
 540  * interrupt status bit. Set MF for 1:2:1 mode.
 541  */
 542 #define CFG_PLPRCR      ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK)    | \
 543                                           PLPRCR_SPLSS  | \
 544                                           PLPRCR_TEXPS  | \
 545                                           PLPRCR_TMIST    \
 546                                         )
 547
 548 /*-----------------------------------------------------------------------
 549  * SCCR - System Clock and reset Control Register                               UM 15-27
 550  *-----------------------------------------------------------------------
 551  * Set clock output, timebase and RTC source and divider,
 552  * power management and some other internal clocks
 553  */
 554 #define SCCR_MASK   SCCR_EBDF11
 555
 556 #if !defined(CONFIG_SC)
 557 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
 558                                           SCCR_COM00            |       /* full strength CLKOUT */ \
 559                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
 560                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
 561                                           SCCR_DFNL000          | \
 562                                           SCCR_DFNH000            \
 563                                         )
 564 #else
 565 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
 566                                           SCCR_COM00            |       /* full strength CLKOUT */ \
 567                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
 568                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
 569                                           SCCR_DFNL000          | \
 570                                           SCCR_DFNH000          | \
 571                                           SCCR_RTDIV            | \
 572                                           SCCR_RTSEL              \
 573                                         )
 574 #endif
 575
 576 /*-----------------------------------------------------------------------
 577  * DER - Debug Enable Register                                                                  UM 37-46
 578  *-----------------------------------------------------------------------
 579  * Mask all events that can cause entry into debug mode
 580  */
 581 #define CFG_DER                         0
 582
 583 /*
 584  * Initialize Memory Controller:
 585  *
 586  * BR0 and OR0 (FLASH memory)
 587  */
 588 #define FLASH_BASE0_PRELIM      FLASH_BASE
 589
 590 /*
 591  * Flash address mask
 592  */
 593 #define CFG_PRELIM_OR_AM        0xfe000000
 594
 595 /*
 596  * FLASH timing:
 597  * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
 598  */
 599 #define CFG_OR_TIMING_FLASH     ( OR_CSNT_SAM   | \
 600                                                           OR_ACS_DIV2   | \
 601                                                           OR_BI                 | \
 602                                                           OR_SCY_2_CLK  | \
 603                                                           OR_TRLX               | \
 604                                                           OR_EHTR                 \
 605                                                         )
 606
 607 #define CFG_OR0_PRELIM  ( CFG_PRELIM_OR_AM              | \
 608                                                   CFG_OR_TIMING_FLASH     \
 609                                                 )
 610
 611 #define CFG_BR0_PRELIM  ( (FLASH_BASE0_PRELIM & BR_BA_MSK)      | \
 612                                                   BR_MS_GPCM                                            | \
 613                                                   BR_PS_8                                                       | \
 614                                                   BR_V                                                            \
 615                                                 )
 616
 617 /*
 618  * SDRAM configuration
 619  */
 620 #define CFG_OR1_AM      0xfc000000
 621 #define CFG_OR1         ( (CFG_OR1_AM & OR_AM_MSK)      | \
 622                                           OR_CSNT_SAM                             \
 623                                         )
 624
 625 #define CFG_BR1         ( (SDRAM_BASE & BR_BA_MSK)      | \
 626                                           BR_MS_UPMA                            | \
 627                                           BR_PS_32                                      | \
 628                                           BR_V                                            \
 629                                         )
 630
 631 /*
 632  * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
 633  * of 256 MBit SDRAM
 634  */
 635 #define CFG_MPTPR_1BK_8K        MPTPR_PTP_DIV16
 636
 637 /*
 638  * Periodic timer for refresh @ 33 MHz system clock
 639  */
 640 #define CFG_MAMR_PTA    64
 641
 642 /*
 643  * MAMR settings for SDRAM
 644  */
 645 #define CFG_MAMR_8COL   ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT)      | \
 646                                                   MAMR_PTAE                             | \
 647                                                   MAMR_AMA_TYPE_1                       | \
 648                                                   MAMR_DSA_1_CYCL                       | \
 649                                                   MAMR_G0CLA_A10                        | \
 650                                                   MAMR_RLFA_1X                          | \
 651                                                   MAMR_WLFA_1X                          | \
 652                                                   MAMR_TLFA_4X                            \
 653                                                 )
 654
 655 /*
 656  * CS2* configuration for Disk On Chip:
 657  * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
 658  * no burst.
 659  */
 660 #define CFG_OR2_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
 661                                                   OR_CSNT_SAM                           | \
 662                                                   OR_ACS_DIV2                           | \
 663                                                   OR_BI                                         | \
 664                                                   OR_SCY_2_CLK                          | \
 665                                                   OR_TRLX                                       | \
 666                                                   OR_EHTR                                         \
 667                                                 )
 668
 669 #define CFG_BR2_PRELIM  ( (DOC_BASE & BR_BA_MSK)        | \
 670                                                   BR_PS_8                                       | \
 671                                                   BR_MS_GPCM                            | \
 672                                                   BR_V                                            \
 673                                                 )
 674
 675 /*
 676  * CS3* configuration for FPGA:
 677  * 33 MHz bus with SCY=15, no burst.
 678  * The FPGA uses TA and TEA to terminate bus cycles, but we
 679  * clear SETA and set the cycle length to a large number so that
 680  * the cycle will still complete even if there is a configuration
 681  * error that prevents TA from asserting on FPGA accesss.
 682  */
 683 #define CFG_OR3_PRELIM  ( (0xfc000000 & OR_AM_MSK)  | \
 684                                                   OR_SCY_15_CLK                         | \
 685                                                   OR_BI                                           \
 686                                                 )
 687
 688 #define CFG_BR3_PRELIM  ( (FPGA_BASE & BR_BA_MSK)       | \
 689                                                   BR_PS_32                                      | \
 690                                                   BR_MS_GPCM                            | \
 691                                                   BR_V                                            \
 692                                                 )
 693 /*
 694  * CS4* configuration for FPGA SelectMap configuration interface.
 695  * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
 696  * of GCLK1_50
 697  */
 698 #define CFG_OR4_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
 699                                                   OR_G5LS                                               | \
 700                                                   OR_BI                                                   \
 701                                                 )
 702
 703 #define CFG_BR4_PRELIM  ( (SELECTMAP_BASE & BR_BA_MSK)  | \
 704                                                   BR_PS_8                                               | \
 705                                                   BR_MS_UPMB                                    | \
 706                                                   BR_V                                                    \
 707                                                 )
 708
 709 /*
 710  * CS5* configuration for Mil-Std 1553 databus interface.
 711  * 33 MHz bus, GPCM, no burst.
 712  * The 1553 interface  uses TA and TEA to terminate bus cycles,
 713  * but we clear SETA and set the cycle length to a large number so that
 714  * the cycle will still complete even if there is a configuration
 715  * error that prevents TA from asserting on FPGA accesss.
 716  */
 717 #define CFG_OR5_PRELIM  ( (0xffff0000 & OR_AM_MSK)  | \
 718                                                   OR_SCY_15_CLK                         | \
 719                                                   OR_EHTR                                       | \
 720                                                   OR_TRLX                                       | \
 721                                                   OR_CSNT_SAM                           | \
 722                                                   OR_BI                                           \
 723                                                 )
 724
 725 #define CFG_BR5_PRELIM  ( (M1553_BASE & BR_BA_MSK)      | \
 726                                                   BR_PS_16                                      | \
 727                                                   BR_MS_GPCM                            | \
 728                                                   BR_V                                            \
 729                                                 )
 730
 731 /*
 732  * Boot Flags
 733  */
 734 #define BOOTFLAG_COLD   0x01    /* Normal Power-On: Boot from FLASH     */
 735 #define BOOTFLAG_WARM   0x02    /* Software reboot                                      */
 736
 737 /*
 738  * Disk On Chip (millenium) configuration
 739  */
 740 #if !defined(CONFIG_SC)
 741 #define CFG_MAX_DOC_DEVICE      1
 742 #undef  CFG_DOC_SUPPORT_2000
 743 #define CFG_DOC_SUPPORT_MILLENNIUM
 744 #undef  CFG_DOC_PASSIVE_PROBE
 745 #endif
 746
 747 /*
 748  * FEC interrupt assignment
 749  */
 750 #define FEC_INTERRUPT   SIU_LEVEL1
 751
 752 /*
 753  * Sanity checks
 754  */
 755 #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
 756 #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
 757 #endif
 758
 759 #endif  /* __CONFIG_GEN860T_H */
 760
 761 /* vim: set ts=4 tw=78 ai shiftwidth=4: */