include/configs/TQM866M.h

   1 /*
   2  * (C) Copyright 2000-2008
   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  * board/config.h - configuration options, board specific
  26  */
  27
  28 #ifndef __CONFIG_H
  29 #define __CONFIG_H
  30
  31 /*
  32  * High Level Configuration Options
  33  * (easy to change)
  34  */
  35
  36 #define CONFIG_MPC866           1       /* This is a MPC866 CPU         */
  37 #define CONFIG_TQM866M          1       /* ...on a TQM8xxM module       */
  38
  39 #define CONFIG_8xx_OSCLK                10000000        /*  10 MHz - PLL input clock    */
  40 #define CONFIG_SYS_8xx_CPUCLK_MIN               15000000        /*  15 MHz - CPU minimum clock  */
  41 #define CONFIG_SYS_8xx_CPUCLK_MAX               133000000       /* 133 MHz - CPU maximum clock  */
  42 #define CONFIG_8xx_CPUCLK_DEFAULT       50000000        /*  50 MHz - CPU default clock  */
  43                                                 /* (it will be used if there is no      */
  44                                                 /* 'cpuclk' variable with valid value)  */
  45
  46 #undef CONFIG_SYS_MEASURE_CPUCLK                        /* Measure real cpu clock       */
  47                                                 /* (function measure_gclk()     */
  48                                                 /* will be called)              */
  49 #ifdef CONFIG_SYS_MEASURE_CPUCLK
  50 #define CONFIG_SYS_8XX_XIN              10000000        /* measure_gclk() needs this    */
  51 #endif
  52
  53 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  54 #define CONFIG_SYS_SMC_RXBUFLEN 128
  55 #define CONFIG_SYS_MAXIDLE      10
  56 #define CONFIG_BAUDRATE         115200  /* console baudrate = 115kbps   */
  57
  58 #define CONFIG_BOOTCOUNT_LIMIT
  59
  60 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  61
  62 #define CONFIG_BOARD_TYPES      1       /* support board types          */
  63
  64 #define CONFIG_PREBOOT  "echo;" \
  65         "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  66         "echo"
  67
  68 #undef  CONFIG_BOOTARGS
  69
  70 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  71         "netdev=eth0\0"                                                 \
  72         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
  73                 "nfsroot=${serverip}:${rootpath}\0"                     \
  74         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
  75         "addip=setenv bootargs ${bootargs} "                            \
  76                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
  77                 ":${hostname}:${netdev}:off panic=1\0"                  \
  78         "flash_nfs=run nfsargs addip;"                                  \
  79                 "bootm ${kernel_addr}\0"                                \
  80         "flash_self=run ramargs addip;"                                 \
  81                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
  82         "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"     \
  83         "rootpath=/opt/eldk/ppc_8xx\0"                                  \
  84         "hostname=TQM866M\0"                                            \
  85         "bootfile=TQM866M/uImage\0"                                     \
  86         "fdt_addr=400C0000\0"                                           \
  87         "kernel_addr=40100000\0"                                        \
  88         "ramdisk_addr=40280000\0"                                       \
  89         "u-boot=TQM866M/u-image.bin\0"                                  \
  90         "load=tftp 200000 ${u-boot}\0"                                  \
  91         "update=prot off 40000000 +${filesize};"                        \
  92                 "era 40000000 +${filesize};"                            \
  93                 "cp.b 200000 40000000 ${filesize};"                     \
  94                 "sete filesize;save\0"                                  \
  95         ""
  96 #define CONFIG_BOOTCOMMAND      "run flash_self"
  97
  98 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  99 #undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
 100
 101 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
 102
 103 #define CONFIG_STATUS_LED       1       /* Status LED enabled           */
 104
 105 #undef  CONFIG_CAN_DRIVER               /* CAN Driver support disabled  */
 106
 107 /* enable I2C and select the hardware/software driver */
 108 #undef  CONFIG_HARD_I2C                 /* I2C with hardware support    */
 109 #define CONFIG_SOFT_I2C         1       /* I2C bit-banged               */
 110
 111 #define CONFIG_SYS_I2C_SPEED            93000   /* 93 kHz is supposed to work   */
 112 #define CONFIG_SYS_I2C_SLAVE            0xFE
 113
 114 #ifdef CONFIG_SOFT_I2C
 115 /*
 116  * Software (bit-bang) I2C driver configuration
 117  */
 118 #define PB_SCL          0x00000020      /* PB 26 */
 119 #define PB_SDA          0x00000010      /* PB 27 */
 120
 121 #define I2C_INIT        (immr->im_cpm.cp_pbdir |=  PB_SCL)
 122 #define I2C_ACTIVE      (immr->im_cpm.cp_pbdir |=  PB_SDA)
 123 #define I2C_TRISTATE    (immr->im_cpm.cp_pbdir &= ~PB_SDA)
 124 #define I2C_READ        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
 125 #define I2C_SDA(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
 126                         else    immr->im_cpm.cp_pbdat &= ~PB_SDA
 127 #define I2C_SCL(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 128                         else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 129 #define I2C_DELAY       udelay(2)       /* 1/4 I2C clock duration */
 130 #endif  /* CONFIG_SOFT_I2C */
 131
 132 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50            /* EEPROM AT24C256      */
 133 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2                /* two byte address     */
 134 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4
 135 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* and takes up to 10 msec */
 136
 137 /*
 138  * BOOTP options
 139  */
 140 #define CONFIG_BOOTP_SUBNETMASK
 141 #define CONFIG_BOOTP_GATEWAY
 142 #define CONFIG_BOOTP_HOSTNAME
 143 #define CONFIG_BOOTP_BOOTPATH
 144 #define CONFIG_BOOTP_BOOTFILESIZE
 145
 146
 147 #define CONFIG_MAC_PARTITION
 148 #define CONFIG_DOS_PARTITION
 149
 150 #undef CONFIG_RTC_MPC8xx                /* MPC866 does not support RTC  */
 151
 152 #define CONFIG_TIMESTAMP                /* but print image timestmps    */
 153
 154
 155 /*
 156  * Command line configuration.
 157  */
 158 #include <config_cmd_default.h>
 159
 160 #define CONFIG_CMD_ASKENV
 161 #define CONFIG_CMD_DHCP
 162 #define CONFIG_CMD_EEPROM
 163 #define CONFIG_CMD_ELF
 164 #define CONFIG_CMD_EXT2
 165 #define CONFIG_CMD_IDE
 166 #define CONFIG_CMD_JFFS2
 167 #define CONFIG_CMD_NFS
 168 #define CONFIG_CMD_SNTP
 169
 170
 171 #define CONFIG_NETCONSOLE
 172
 173
 174 /*
 175  * Miscellaneous configurable options
 176  */
 177 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 178 #define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
 179
 180 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 181 #define CONFIG_SYS_HUSH_PARSER          1       /* Use the HUSH parser          */
 182 #ifdef  CONFIG_SYS_HUSH_PARSER
 183 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 184 #endif
 185
 186 #if defined(CONFIG_CMD_KGDB)
 187 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
 188 #else
 189 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
 190 #endif
 191 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 192 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
 193 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 194
 195 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 196 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
 197
 198 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 199
 200 #define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 201
 202 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
 203
 204 /*
 205  * Low Level Configuration Settings
 206  * (address mappings, register initial values, etc.)
 207  * You should know what you are doing if you make changes here.
 208  */
 209 /*-----------------------------------------------------------------------
 210  * Internal Memory Mapped Register
 211  */
 212 #define CONFIG_SYS_IMMR         0xFFF00000
 213
 214 /*-----------------------------------------------------------------------
 215  * Definitions for initial stack pointer and data area (in DPRAM)
 216  */
 217 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 218 #define CONFIG_SYS_INIT_RAM_END 0x2F00  /* End of used area in DPRAM    */
 219 #define CONFIG_SYS_GBL_DATA_SIZE        64  /* size in bytes reserved for initial data */
 220 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 221 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 222
 223 /*-----------------------------------------------------------------------
 224  * Start addresses for the final memory configuration
 225  * (Set up by the startup code)
 226  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 227  */
 228 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 229 #define CONFIG_SYS_FLASH_BASE           0x40000000
 230 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 231 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 232 #define CONFIG_SYS_MALLOC_LEN           (256 << 10)     /* Reserve 256 kB for malloc()  */
 233
 234 /*
 235  * For booting Linux, the board info and command line data
 236  * have to be in the first 8 MB of memory, since this is
 237  * the maximum mapped by the Linux kernel during initialization.
 238  */
 239 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 240
 241 /*-----------------------------------------------------------------------
 242  * FLASH organization
 243  */
 244 /* use CFI flash driver */
 245 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 246 #define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver */
 247 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 248 #define CONFIG_SYS_FLASH_EMPTY_INFO
 249 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE       1
 250 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks */
 251 #define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip */
 252
 253 #define CONFIG_ENV_IS_IN_FLASH  1
 254 #define CONFIG_ENV_OFFSET               0x40000 /*   Offset   of Environment Sector     */
 255 #define CONFIG_ENV_SIZE         0x08000 /* Total Size of Environment Sector     */
 256 #define CONFIG_ENV_SECT_SIZE    0x40000 /* Total Size of Environment Sector     */
 257
 258 /* Address and size of Redundant Environment Sector     */
 259 #define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
 260 #define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 261
 262 #define CONFIG_SYS_USE_PPCENV                   /* Environment embedded in sect .ppcenv */
 263
 264 #define CONFIG_MISC_INIT_R              /* Make sure to remap flashes correctly */
 265
 266 /*-----------------------------------------------------------------------
 267  * Dynamic MTD partition support
 268  */
 269 #define CONFIG_CMD_MTDPARTS
 270 #define CONFIG_MTD_DEVICE               /* needed for mtdparts commands */
 271 #define CONFIG_FLASH_CFI_MTD
 272 #define MTDIDS_DEFAULT          "nor0=TQM8xxM-0"
 273
 274 #define MTDPARTS_DEFAULT        "mtdparts=TQM8xxM-0:512k(u-boot),"      \
 275                                                 "128k(dtb),"            \
 276                                                 "1920k(kernel),"        \
 277                                                 "5632(rootfs),"         \
 278                                                 "4m(data)"
 279
 280 /*-----------------------------------------------------------------------
 281  * Hardware Information Block
 282  */
 283 #define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 284 #define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 285 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 286
 287 /*-----------------------------------------------------------------------
 288  * Cache Configuration
 289  */
 290 #define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 291 #if defined(CONFIG_CMD_KGDB)
 292 #define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 293 #endif
 294
 295 /*-----------------------------------------------------------------------
 296  * SYPCR - System Protection Control                            11-9
 297  * SYPCR can only be written once after reset!
 298  *-----------------------------------------------------------------------
 299  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 300  */
 301 #if defined(CONFIG_WATCHDOG)
 302 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 303                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 304 #else
 305 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 306 #endif
 307
 308 /*-----------------------------------------------------------------------
 309  * SIUMCR - SIU Module Configuration                            11-6
 310  *-----------------------------------------------------------------------
 311  * PCMCIA config., multi-function pin tri-state
 312  */
 313 #ifndef CONFIG_CAN_DRIVER
 314 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 315 #else   /* we must activate GPL5 in the SIUMCR for CAN */
 316 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 317 #endif  /* CONFIG_CAN_DRIVER */
 318
 319 /*-----------------------------------------------------------------------
 320  * TBSCR - Time Base Status and Control                         11-26
 321  *-----------------------------------------------------------------------
 322  * Clear Reference Interrupt Status, Timebase freezing enabled
 323  */
 324 #define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 325
 326 /*-----------------------------------------------------------------------
 327  * PISCR - Periodic Interrupt Status and Control                11-31
 328  *-----------------------------------------------------------------------
 329  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 330  */
 331 #define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 332
 333 /*-----------------------------------------------------------------------
 334  * SCCR - System Clock and reset Control Register               15-27
 335  *-----------------------------------------------------------------------
 336  * Set clock output, timebase and RTC source and divider,
 337  * power management and some other internal clocks
 338  */
 339 #define SCCR_MASK       SCCR_EBDF11
 340 #define CONFIG_SYS_SCCR (SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 341                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 342                          SCCR_DFALCD00)
 343
 344 /*-----------------------------------------------------------------------
 345  * PCMCIA stuff
 346  *-----------------------------------------------------------------------
 347  *
 348  */
 349 #define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 350 #define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 351 #define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 352 #define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 353 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 354 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 355 #define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 356 #define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 357
 358 /*-----------------------------------------------------------------------
 359  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 360  *-----------------------------------------------------------------------
 361  */
 362
 363 #define CONFIG_IDE_8xx_PCCARD   1       /* Use IDE with PC Card Adapter */
 364
 365 #undef  CONFIG_IDE_8xx_DIRECT           /* Direct IDE    not supported  */
 366 #undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 367 #undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 368
 369 #define CONFIG_SYS_IDE_MAXBUS           1       /* max. 1 IDE bus               */
 370 #define CONFIG_SYS_IDE_MAXDEVICE        1       /* max. 1 drive per IDE bus     */
 371
 372 #define CONFIG_SYS_ATA_IDE0_OFFSET      0x0000
 373
 374 #define CONFIG_SYS_ATA_BASE_ADDR        CONFIG_SYS_PCMCIA_MEM_ADDR
 375
 376 /* Offset for data I/O                  */
 377 #define CONFIG_SYS_ATA_DATA_OFFSET      (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 378
 379 /* Offset for normal register accesses  */
 380 #define CONFIG_SYS_ATA_REG_OFFSET       (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 381
 382 /* Offset for alternate registers       */
 383 #define CONFIG_SYS_ATA_ALT_OFFSET       0x0100
 384
 385 /*-----------------------------------------------------------------------
 386  *
 387  *-----------------------------------------------------------------------
 388  *
 389  */
 390 #define CONFIG_SYS_DER 0
 391
 392 /*
 393  * Init Memory Controller:
 394  *
 395  * BR0/1 and OR0/1 (FLASH)
 396  */
 397
 398 #define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 399 #define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 400
 401 /* used to re-map FLASH both when starting from SRAM or FLASH:
 402  * restrict access enough to keep SRAM working (if any)
 403  * but not too much to meddle with FLASH accesses
 404  */
 405 #define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 406 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 407
 408 /*
 409  * FLASH timing: Default value of OR0 after reset
 410  */
 411 #define CONFIG_SYS_OR_TIMING_FLASH      (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
 412                                  OR_SCY_15_CLK | OR_TRLX)
 413
 414 #define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 415 #define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 416 #define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 417
 418 #define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 419 #define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 420 #define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 421
 422 /*
 423  * BR2/3 and OR2/3 (SDRAM)
 424  *
 425  */
 426 #define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 427 #define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 428 #define SDRAM_MAX_SIZE          (256 << 20)     /* max 256 MB per bank  */
 429
 430 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 431 #define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 432
 433 #define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 434 #define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 435
 436 #ifndef CONFIG_CAN_DRIVER
 437 #define CONFIG_SYS_OR3_PRELIM   CONFIG_SYS_OR2_PRELIM
 438 #define CONFIG_SYS_BR3_PRELIM   ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 439 #else   /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
 440 #define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 441 #define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 442 #define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 443 #define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 444                                         BR_PS_8 | BR_MS_UPMB | BR_V )
 445 #endif  /* CONFIG_CAN_DRIVER */
 446
 447 /*
 448  * 4096 Rows from SDRAM example configuration
 449  * 1000 factor s -> ms
 450  * 64   PTP (pre-divider from MPTPR) from SDRAM example configuration
 451  * 4    Number of refresh cycles per period
 452  * 64   Refresh cycle in ms per number of rows
 453  */
 454 #define CONFIG_SYS_PTA_PER_CLK  ((4096 * 64 * 1000) / (4 * 64))
 455
 456 /*
 457  * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
 458  *
 459  *                        CPUclock(MHz) * 31.2
 460  * CONFIG_SYS_MAMR_PTA = -----------------------------------     with DFBRG = 0
 461  *                2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
 462  *
 463  * CPU clock =  15 MHz:  CONFIG_SYS_MAMR_PTA =  29   ->  4 * 7.73 us
 464  * CPU clock =  50 MHz:  CONFIG_SYS_MAMR_PTA =  97   ->  4 * 7.76 us
 465  * CPU clock =  66 MHz:  CONFIG_SYS_MAMR_PTA = 128   ->  4 * 7.75 us
 466  * CPU clock = 133 MHz:  CONFIG_SYS_MAMR_PTA = 255   ->  4 * 7.67 us
 467  *
 468  * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
 469  * be met also in the default configuration, i.e. if environment variable
 470  * 'cpuclk' is not set.
 471  */
 472 #define CONFIG_SYS_MAMR_PTA             97
 473
 474 /*
 475  * Memory Periodic Timer Prescaler Register (MPTPR) values.
 476  */
 477 /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
 478 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
 479 /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
 480 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
 481
 482 /*
 483  * MAMR settings for SDRAM
 484  */
 485
 486 /* 8 column SDRAM */
 487 #define CONFIG_SYS_MAMR_8COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 488                          MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 489                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 490 /* 9 column SDRAM */
 491 #define CONFIG_SYS_MAMR_9COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 492                          MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 493                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 494 /* 10 column SDRAM */
 495 #define CONFIG_SYS_MAMR_10COL   ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 496                          MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9  |   \
 497                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 498
 499 /*
 500  * Internal Definitions
 501  *
 502  * Boot Flags
 503  */
 504 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 505 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 506
 507 #define CONFIG_SCC1_ENET
 508 #define CONFIG_FEC_ENET
 509 #define CONFIG_ETHPRIME         "SCC ETHERNET"
 510
 511 #endif  /* __CONFIG_H */