include/configs/FADS850SAR.h

   1  /*
   2   * A collection of structures, addresses, and values associated with
   3   * the Motorola 860T FADS board.  Copied from the MBX stuff.
   4   * Magnus Damm added defines for 8xxrom and extended bd_info.
   5   * Helmut Buchsbaum added bitvalues for BCSRx
   6   *
   7   * Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
   8   */
   9
  10 /*
  11  * 1999-nov-26: The FADS is using the following physical memorymap:
  12  *
  13  * ff020000 -> ff02ffff : pcmcia
  14  * ff010000 -> ff01ffff : BCSR       connected to CS1, setup by 8xxrom
  15  * ff000000 -> ff00ffff : IMAP       internal in the cpu
  16  * fe000000 -> ffnnnnnn : flash      connected to CS0, setup by 8xxrom
  17  * 00000000 -> nnnnnnnn : sdram/dram setup by 8xxrom
  18  */
  19
  20 /* ------------------------------------------------------------------------- */
  21
  22 /*
  23  * board/config.h - configuration options, board specific
  24  */
  25
  26 #ifndef __CONFIG_H
  27 #define __CONFIG_H
  28
  29 /*
  30  * High Level Configuration Options
  31  * (easy to change)
  32  */
  33 #define CONFIG_MPC850           1
  34 #define CONFIG_MPC850SAR        1
  35 #define CONFIG_FADS                     1
  36
  37 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  38 #undef  CONFIG_8xx_CONS_SMC2
  39 #undef  CONFIG_8xx_CONS_NONE
  40 #define CONFIG_BAUDRATE         9600
  41
  42 #if 0
  43 #define MPC8XX_FACT     10                              /* Multiply by 10               */
  44 #define MPC8XX_XIN      50000000                /* 50 MHz in    */
  45 #else
  46 #define MPC8XX_FACT     12                              /* Multiply by 12 */
  47 #define MPC8XX_XIN      4000000                 /* 4 MHz in */
  48 #endif
  49 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
  50
  51 #define CONFIG_CLOCKS_IN_MHZ    1       /* clocks passsed to Linux in MHz */
  52
  53 #if 1
  54 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
  55 #else
  56 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  57 #endif
  58
  59 #define CONFIG_BOOTCOMMAND      "bootm 02880000"        /* autoboot command */
  60 #define CONFIG_BOOTARGS         " "
  61
  62 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  63
  64
  65 /*
  66  * BOOTP options
  67  */
  68 #define CONFIG_BOOTP_BOOTFILESIZE
  69 #define CONFIG_BOOTP_BOOTPATH
  70 #define CONFIG_BOOTP_GATEWAY
  71 #define CONFIG_BOOTP_HOSTNAME
  72
  73
  74 /*
  75  * Command line configuration.
  76  */
  77 #include <config_cmd_default.h>
  78
  79
  80 /*
  81  * Miscellaneous configurable options
  82  */
  83 #undef  CFG_LONGHELP                    /* undef to save memory         */
  84 #define CFG_PROMPT              ":>"            /* Monitor Command Prompt       */
  85 #if defined(CONFIG_CMD_KGDB)
  86 #define CFG_CBSIZE      1024            /* Console I/O Buffer Size      */
  87 #else
  88 #define CFG_CBSIZE      256             /* Console I/O Buffer Size      */
  89 #endif
  90 #define CFG_PBSIZE      (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  91 #define CFG_MAXARGS     16              /* max number of command args   */
  92 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
  93
  94 #define CFG_MEMTEST_START       0x00004000      /* memtest works on     */
  95 #define CFG_MEMTEST_END         0x00800000      /* 0 ... 8 MB in DRAM   */
  96
  97 #define CFG_LOAD_ADDR           0x00100000      /* default load address */
  98
  99 #define CFG_HZ          1000            /* decrementer freq: 1 ms ticks */
 100
 101 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 102
 103 /*
 104  * Low Level Configuration Settings
 105  * (address mappings, register initial values, etc.)
 106  * You should know what you are doing if you make changes here.
 107  */
 108 /*-----------------------------------------------------------------------
 109  * Internal Memory Mapped Register
 110  */
 111 #define CFG_IMMR                        0xFF000000
 112 #define CFG_IMMR_SIZE           ((uint)(64 * 1024))
 113
 114 /*-----------------------------------------------------------------------
 115  * Definitions for initial stack pointer and data area (in DPRAM)
 116  */
 117 #define CFG_INIT_RAM_ADDR       CFG_IMMR
 118 #define CFG_INIT_RAM_END        0x2F00  /* End of used area in DPRAM    */
 119 #define CFG_GBL_DATA_SIZE       64  /* size in bytes reserved for initial data */
 120 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 121 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 122
 123 /*-----------------------------------------------------------------------
 124  * Start addresses for the final memory configuration
 125  * (Set up by the startup code)
 126  * Please note that CFG_SDRAM_BASE _must_ start at 0
 127  * Also NOTE that it doesn't mean SDRAM - it means MEMORY.
 128  */
 129 #define CFG_SDRAM_BASE          0x00000000
 130 #define CFG_SDRAM_SIZE          (4<<20) /* standard FADS has 4M */
 131 #define CFG_FLASH_BASE          0x02800000
 132 #define CFG_FLASH_SIZE          ((uint)(8 * 1024 * 1024))       /* max 8Mbyte */
 133 #if 0
 134 #define CFG_MONITOR_LEN         (256 << 10)     /* Reserve 128 kB for Monitor   */
 135 #else
 136 #define CFG_MONITOR_LEN         (512 << 10)     /* Reserve 512 kB for Monitor   */
 137 #endif
 138 #define CFG_MONITOR_BASE        CFG_FLASH_BASE
 139 #define CFG_MALLOC_LEN          (256 << 10)     /* Reserve 128 kB for malloc()  */
 140
 141 /*
 142  * For booting Linux, the board info and command line data
 143  * have to be in the first 8 MB of memory, since this is
 144  * the maximum mapped by the Linux kernel during initialization.
 145  */
 146 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 147 /*-----------------------------------------------------------------------
 148  * FLASH organization
 149  */
 150 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 151 #define CFG_MAX_FLASH_SECT      8       /* max number of sectors on one chip    */
 152
 153 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 154 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 155
 156 #define CFG_ENV_IS_IN_FLASH     1
 157 #define CFG_ENV_OFFSET          0x00040000      /* Offset of Environment Sector */
 158 #define CFG_ENV_SIZE            0x40000 /* Total Size of Environment Sector     */
 159 #define CFG_USE_PPCENV                  /* Environment embedded in sect .ppcenv */
 160
 161 /*-----------------------------------------------------------------------
 162  * Cache Configuration
 163  */
 164 #define CFG_CACHELINE_SIZE      16      /* For all MPC8xx CPUs                  */
 165 #if defined(CONFIG_CMD_KGDB)
 166 #define CFG_CACHELINE_SHIFT     4       /* log base 2 of the above value        */
 167 #endif
 168
 169 /*-----------------------------------------------------------------------
 170  * SYPCR - System Protection Control                                    11-9
 171  * SYPCR can only be written once after reset!
 172  *-----------------------------------------------------------------------
 173  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 174  */
 175 #if defined(CONFIG_WATCHDOG)
 176 #define CFG_SYPCR       (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 177                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 178 #else
 179 #define CFG_SYPCR       (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 180 #endif
 181
 182 /*-----------------------------------------------------------------------
 183  * SIUMCR - SIU Module Configuration                                            11-6
 184  *-----------------------------------------------------------------------
 185  * PCMCIA config., multi-function pin tri-state
 186  */
 187 #define CFG_SIUMCR      (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 188
 189 /*-----------------------------------------------------------------------
 190  * TBSCR - Time Base Status and Control                                 11-26
 191  *-----------------------------------------------------------------------
 192  * Clear Reference Interrupt Status, Timebase freezing enabled
 193  */
 194 #define CFG_TBSCR       (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
 195
 196 /*-----------------------------------------------------------------------
 197  * PISCR - Periodic Interrupt Status and Control                11-31
 198  *-----------------------------------------------------------------------
 199  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 200  */
 201 #define CFG_PISCR       (PISCR_PS | PISCR_PITF)
 202
 203 /*-----------------------------------------------------------------------
 204  * PLPRCR - PLL, Low-Power, and Reset Control Register  15-30
 205  *-----------------------------------------------------------------------
 206  * Reset PLL lock status sticky bit, timer expired status bit and timer  *
 207  * interrupt status bit - leave PLL multiplication factor unchanged !
 208  */
 209 #define CFG_PLPRCR      (((MPC8XX_FACT-1) << 20) | \
 210                                 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 211
 212 /*-----------------------------------------------------------------------
 213  * SCCR - System Clock and reset Control Register               15-27
 214  *-----------------------------------------------------------------------
 215  * Set clock output, timebase and RTC source and divider,
 216  * power management and some other internal clocks
 217  */
 218 #define SCCR_MASK       SCCR_EBDF11
 219 #define CFG_SCCR       (SCCR_TBS     | \
 220                                 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 221                                 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 222                                 SCCR_DFALCD00)
 223
 224  /*-----------------------------------------------------------------------
 225  *
 226  *-----------------------------------------------------------------------
 227  *
 228  */
 229 #define CFG_DER         0
 230
 231 /* Because of the way the 860 starts up and assigns CS0 the
 232 * entire address space, we have to set the memory controller
 233 * differently.  Normally, you write the option register
 234 * first, and then enable the chip select by writing the
 235 * base register.  For CS0, you must write the base register
 236 * first, followed by the option register.
 237 */
 238
 239 /*
 240  * Init Memory Controller:
 241  *
 242  * BR0/1 and OR0/1 (FLASH)
 243  */
 244 /* the other CS:s are determined by looking at parameters in BCSRx */
 245
 246
 247 #define BCSR_ADDR               ((uint) 0x02100000)
 248 #define BCSR_SIZE               ((uint)(64 * 1024))
 249
 250 #define FLASH_BASE0_PRELIM      0x02800000      /* FLASH bank #0        */
 251 #define FLASH_BASE1_PRELIM      0x00000000      /* FLASH bank #1        */
 252
 253 #define CFG_REMAP_OR_AM         0x80000000      /* OR addr mask */
 254 #define CFG_PRELIM_OR_AM        0xFFE00000      /* OR addr mask */
 255
 256 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0        */
 257 #define CFG_OR_TIMING_FLASH     (OR_CSNT_SAM  | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
 258
 259 #define CFG_OR0_REMAP   (CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
 260 #define CFG_OR0_PRELIM  (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)   /* 1 Mbyte until detected and only 1 Mbyte is needed*/
 261 #define CFG_BR0_PRELIM  ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 262
 263 /* BCSRx - Board Control and Status Registers */
 264 #define CFG_OR1_REMAP   CFG_OR0_REMAP
 265 #define CFG_OR1_PRELIM  0xffff8110                                                                      /* 64Kbyte address space */
 266 #define CFG_BR1_PRELIM  ((BCSR_ADDR) | BR_V )
 267
 268
 269 /*
 270  * Memory Periodic Timer Prescaler
 271  */
 272
 273 /* periodic timer for refresh */
 274 #define CFG_MAMR_PTA            97              /* start with divider for 100 MHz       */
 275
 276 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit     */
 277 #define CFG_MPTPR_2BK_4K        MPTPR_PTP_DIV16         /* setting for 2 banks  */
 278 #define CFG_MPTPR_1BK_4K        MPTPR_PTP_DIV32         /* setting for 1 bank   */
 279
 280 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit         */
 281 #define CFG_MPTPR_2BK_8K        MPTPR_PTP_DIV8          /* setting for 2 banks  */
 282 #define CFG_MPTPR_1BK_8K        MPTPR_PTP_DIV16         /* setting for 1 bank   */
 283
 284 /*
 285  * MAMR settings for SDRAM
 286  */
 287
 288 /* 8 column SDRAM */
 289 #define CFG_MAMR_8COL   ((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE      |   \
 290                          MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 291                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 292 /* 9 column SDRAM */
 293 #define CFG_MAMR_9COL   ((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE      |   \
 294                          MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 295                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 296
 297 #define CFG_MAMR                0x13a01114
 298 /*
 299  * Internal Definitions
 300  *
 301  * Boot Flags
 302  */
 303 #define BOOTFLAG_COLD                   0x01            /* Normal Power-On: Boot from FLASH     */
 304 #define BOOTFLAG_WARM                   0x02            /* Software reboot                      */
 305
 306
 307 /* values according to the manual */
 308
 309
 310 #define PCMCIA_MEM_ADDR         ((uint)0xff020000)
 311 #define PCMCIA_MEM_SIZE         ((uint)(64 * 1024))
 312
 313 #define BCSR0                   ((uint) (BCSR_ADDR + 00))
 314 #define BCSR1                   ((uint) (BCSR_ADDR + 0x04))
 315 #define BCSR2                   ((uint) (BCSR_ADDR + 0x08))
 316 #define BCSR3                   ((uint) (BCSR_ADDR + 0x0c))
 317 #define BCSR4                   ((uint) (BCSR_ADDR + 0x10))
 318
 319 /* FADS bitvalues by Helmut Buchsbaum
 320  * see MPC8xxADS User's Manual for a proper description
 321  * of the following structures
 322  */
 323
 324 #define BCSR0_ERB       ((uint)0x80000000)
 325 #define BCSR0_IP        ((uint)0x40000000)
 326 #define BCSR0_BDIS      ((uint)0x10000000)
 327 #define BCSR0_BPS_MASK  ((uint)0x0C000000)
 328 #define BCSR0_ISB_MASK  ((uint)0x01800000)
 329 #define BCSR0_DBGC_MASK ((uint)0x00600000)
 330 #define BCSR0_DBPC_MASK ((uint)0x00180000)
 331 #define BCSR0_EBDF_MASK ((uint)0x00060000)
 332
 333 #define BCSR1_FLASH_EN           ((uint)0x80000000)
 334 #define BCSR1_DRAM_EN            ((uint)0x40000000)
 335 #define BCSR1_ETHEN              ((uint)0x20000000)
 336 #define BCSR1_IRDEN              ((uint)0x10000000)
 337 #define BCSR1_FLASH_CFG_EN       ((uint)0x08000000)
 338 #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
 339 #define BCSR1_BCSR_EN            ((uint)0x02000000)
 340 #define BCSR1_RS232EN_1          ((uint)0x01000000)
 341 #define BCSR1_PCCEN              ((uint)0x00800000)
 342 #define BCSR1_PCCVCC0            ((uint)0x00400000)
 343 #define BCSR1_PCCVPP_MASK        ((uint)0x00300000)
 344 #define BCSR1_DRAM_HALF_WORD     ((uint)0x00080000)
 345 #define BCSR1_RS232EN_2          ((uint)0x00040000)
 346 #define BCSR1_SDRAM_EN           ((uint)0x00020000)
 347 #define BCSR1_PCCVCC1            ((uint)0x00010000)
 348
 349 #define BCSR2_FLASH_PD_MASK      ((uint)0xF0000000)
 350 #define BCSR2_FLASH_PD_SHIFT     28
 351 #define BCSR2_DRAM_PD_MASK       ((uint)0x07800000)
 352 #define BCSR2_DRAM_PD_SHIFT      23
 353 #define BCSR2_EXTTOLI_MASK       ((uint)0x00780000)
 354 #define BCSR2_DBREVNR_MASK       ((uint)0x00030000)
 355
 356 #define BCSR3_DBID_MASK          ((ushort)0x3800)
 357 #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
 358 #define BCSR3_BREVNR0            ((ushort)0x0080)
 359 #define BCSR3_FLASH_PD_MASK      ((ushort)0x0070)
 360 #define BCSR3_BREVN1             ((ushort)0x0008)
 361 #define BCSR3_BREVN2_MASK        ((ushort)0x0003)
 362
 363 #define BCSR4_ETHLOOP            ((uint)0x80000000)
 364 #define BCSR4_TFPLDL             ((uint)0x40000000)
 365 #define BCSR4_TPSQEL             ((uint)0x20000000)
 366 #define BCSR4_SIGNAL_LAMP        ((uint)0x10000000)
 367 #ifdef CONFIG_MPC823
 368 #define BCSR4_USB_EN             ((uint)0x08000000)
 369 #endif /* CONFIG_MPC823 */
 370 #ifdef CONFIG_MPC860SAR
 371 #define BCSR4_UTOPIA_EN          ((uint)0x08000000)
 372 #endif /* CONFIG_MPC860SAR */
 373 #ifdef CONFIG_MPC860T
 374 #define BCSR4_FETH_EN            ((uint)0x08000000)
 375 #endif /* CONFIG_MPC860T */
 376 #ifdef CONFIG_MPC823
 377 #define BCSR4_USB_SPEED          ((uint)0x04000000)
 378 #endif /* CONFIG_MPC823 */
 379 #ifdef CONFIG_MPC860T
 380 #define BCSR4_FETHCFG0           ((uint)0x04000000)
 381 #endif /* CONFIG_MPC860T */
 382 #ifdef CONFIG_MPC823
 383 #define BCSR4_VCCO               ((uint)0x02000000)
 384 #endif /* CONFIG_MPC823 */
 385 #ifdef CONFIG_MPC860T
 386 #define BCSR4_FETHFDE            ((uint)0x02000000)
 387 #endif /* CONFIG_MPC860T */
 388 #ifdef CONFIG_MPC823
 389 #define BCSR4_VIDEO_ON           ((uint)0x00800000)
 390 #endif /* CONFIG_MPC823 */
 391 #ifdef CONFIG_MPC823
 392 #define BCSR4_VDO_EKT_CLK_EN     ((uint)0x00400000)
 393 #endif /* CONFIG_MPC823 */
 394 #ifdef CONFIG_MPC860T
 395 #define BCSR4_FETHCFG1           ((uint)0x00400000)
 396 #endif /* CONFIG_MPC860T */
 397 #ifdef CONFIG_MPC823
 398 #define BCSR4_VIDEO_RST          ((uint)0x00200000)
 399 #endif /* CONFIG_MPC823 */
 400 #ifdef CONFIG_MPC860T
 401 #define BCSR4_FETHRST            ((uint)0x00200000)
 402 #endif /* CONFIG_MPC860T */
 403 #define BCSR4_MODEM_EN           ((uint)0x00100000)
 404 #define BCSR4_DATA_VOICE         ((uint)0x00080000)
 405
 406 #define CONFIG_DRAM_50MHZ               1
 407 #define CONFIG_SDRAM_50MHZ
 408
 409 /* We don't use the 8259.
 410 */
 411 #define NR_8259_INTS    0
 412
 413 #define CONFIG_DISK_SPINUP_TIME 1000000
 414
 415
 416 /* PCMCIA configuration */
 417
 418 #define PCMCIA_MAX_SLOTS    2
 419
 420 #ifdef CONFIG_MPC860
 421 #define PCMCIA_SLOT_A 1
 422 #endif
 423
 424 #define CFG_DAUGHTERBOARD
 425
 426 #endif  /* __CONFIG_H */