LXR uboot/include/configs/QS823.h

   1/*
   2 * (C) Copyright 2003
   3 * MuLogic B.V.
   4 *
   5 * (C) Copyright 2002
   6 * Simple Network Magic Corporation
   7 *
   8 * (C) Copyright 2000
   9 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10 *
  11 * See file CREDITS for list of people who contributed to this
  12 * project.
  13 *
  14 * This program is free software; you can redistribute it and/or
  15 * modify it under the terms of the GNU General Public License as
  16 * published by the Free Software Foundation; either version 2 of
  17 * the License, or (at your option) any later version.
  18 *
  19 * This program is distributed in the hope that it will be useful,
  20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 * GNU General Public License for more details.
  23 *
  24 * You should have received a copy of the GNU General Public License
  25 * along with this program; if not, write to the Free Software
  26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27 * MA 02111-1307 USA
  28 */
  29
  30/*
  31 * board/config.h - configuration options, board specific
  32 */
  33
  34#ifndef __CONFIG_H
  35#define __CONFIG_H
  36
  37/* various debug settings */
  38#undef CONFIG_SYS_DEVICE_NULLDEV                /* null device */
  39#undef CONFIG_SILENT_CONSOLE            /* silent console */
  40#undef CONFIG_SYS_CONSOLE_INFO_QUIET            /* silent console ? */
  41#undef DEBUG_FLASH                      /* debug flash code */
  42#undef FLASH_DEBUG                      /* debug fash code */
  43#undef DEBUG_ENV                        /* debug environment code */
  44
  45#define CONFIG_SYS_DIRECT_FLASH_TFTP    1       /* allow direct tftp to flash */
  46#define CONFIG_ENV_OVERWRITE    1       /* allow overwrite MAC address */
  47
  48/*
  49 * High Level Configuration Options
  50 * (easy to change)
  51 */
  52#define CONFIG_MPC823           1       /* This is a MPC823 CPU */
  53#define CONFIG_QS823            1       /* ...on a QS823 module */
  54#define CONFIG_SCC2_ENET        1       /* SCC2 10BaseT ethernet */
  55
  56#define CONFIG_SYS_TEXT_BASE    0xFFF00000
  57
  58/* Select the target clock speed */
  59#undef CONFIG_CLOCK_16MHZ               /* cpu=16,777,216 Hz, mem=16Mhz */
  60#undef CONFIG_CLOCK_33MHZ               /* cpu=33,554,432 Hz, mem=33Mhz */
  61#undef CONFIG_CLOCK_50MHZ               /* cpu=49,971,200 Hz, mem=33Mhz */
  62#define CONFIG_CLOCK_66MHZ      1       /* cpu=67,108,864 Hz, mem=66Mhz */
  63#undef CONFIG_CLOCK_80MHZ               /* cpu=79,986,688 Hz, mem=33Mhz */
  64
  65#ifdef CONFIG_CLOCK_16MHZ
  66#define CONFIG_CLOCK_MULT       512
  67#endif
  68
  69#ifdef CONFIG_CLOCK_33MHZ
  70#define CONFIG_CLOCK_MULT       1024
  71#endif
  72
  73#ifdef CONFIG_CLOCK_50MHZ
  74#define CONFIG_CLOCK_MULT       1525
  75#endif
  76
  77#ifdef CONFIG_CLOCK_66MHZ
  78#define CONFIG_CLOCK_MULT       2048
  79#endif
  80
  81#ifdef CONFIG_CLOCK_80MHZ
  82#define CONFIG_CLOCK_MULT       2441
  83#endif
  84
  85/* choose flash size, 4Mb or 8Mb */
  86#define CONFIG_FLASH_4MB        1       /* board has 4Mb flash */
  87#undef CONFIG_FLASH_8MB                 /* board has 8Mb flash */
  88
  89#define CONFIG_CLOCK_BASE       32768   /* Base clock input freq */
  90
  91#undef CONFIG_8xx_CONS_SMC1
  92#define CONFIG_8xx_CONS_SMC2    1       /* Console is on SMC2 */
  93#undef CONFIG_8xx_CONS_NONE
  94
  95#define CONFIG_BAUDRATE         38400   /* console baudrate = 38.4kbps */
  96
  97#undef CONFIG_CLOCKS_IN_MHZ             /* clocks passsed to Linux in MHz */
  98
  99/* Define default IP addresses */
 100#define CONFIG_IPADDR           192.168.1.99    /* own ip address */
 101#define CONFIG_SERVERIP         192.168.1.19    /* used for tftp (not nfs?) */
 102
 103/* message to say directly after booting */
 104#define CONFIG_PREBOOT          "echo '';" \
 105        "echo 'type:';" \
 106        "echo 'run boot_nfs       to boot to NFS';" \
 107        "echo 'run boot_flash     to boot to flash';" \
 108        "echo '';" \
 109        "echo 'run flash_rootfs   to install a new rootfs';" \
 110        "echo 'run flash_env      to clear the env sector';" \
 111        "echo 'run flash_rw       to clear the rw fs';" \
 112        "echo 'run flash_uboot    to install a new u-boot';" \
 113        "echo 'run flash_kernel   to install a new kernel';"
 114
 115/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
 116#define CONFIG_BOOTDELAY        5
 117#define CONFIG_BOOTCOMMAND      "run boot_nfs"
 118
 119#undef CONFIG_BOOTARGS          /* made by set_nfs of set_flash */
 120
 121/* Our flash filesystem looks like this
 122 *
 123 * 4Mb board:
 124 * ffc0 0000 - ffeb ffff        root filesystem (jffs2) (~3Mb)
 125 * ffec 0000 - ffed ffff        read-write filesystem (ext2)
 126 * ffee 0000 - ffef ffff        environment
 127 * fff0 0000 - fff1 ffff        u-boot
 128 * fff2 0000 - ffff ffff        linux kernel
 129 *
 130 * 8Mb board:
 131 * ff80 0000 - ffeb ffff        root filesystem (jffs2) (~7Mb)
 132 * ffec 0000 - ffed ffff        read-write filesystem (ext2)
 133 * ffee 0000 - ffef ffff        environment
 134 * fff0 0000 - fff1 ffff        u-boot
 135 * fff2 0000 - ffff ffff        linux kernel
 136 *
 137 */
 138
 139/* environment for 4Mb board */
 140#ifdef CONFIG_FLASH_4MB
 141#define CONFIG_EXTRA_ENV_SETTINGS \
 142        "serial#=QS823\0" \
 143        "hostname=qs823\0" \
 144        "netdev=eth0\0" \
 145        "ethaddr=00:01:02:B4:36:56\0" \
 146        "rootpath=/exports/rootfs\0" \
 147        "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
 148        /* fill in variables */ \
 149        "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
 150        "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
 151        "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
 152        /* commands */ \
 153        "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
 154        "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
 155        /* reinstall flash parts */ \
 156        "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
 157        "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
 158        "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
 159        "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
 160        "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
 161#endif /* CONFIG_FLASH_4MB */
 162
 163/* environment for 8Mb board */
 164#ifdef CONFIG_FLASH_8MB
 165#define CONFIG_EXTRA_ENV_SETTINGS \
 166        "serial#=QS823\0" \
 167        "hostname=qs823\0" \
 168        "netdev=eth0\0" \
 169        "ethaddr=00:01:02:B4:36:56\0" \
 170        "rootpath=/exports/rootfs\0" \
 171        "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
 172        /* fill in variables */ \
 173        "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
 174        "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
 175        "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
 176        /* commands */ \
 177        "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
 178        "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
 179        /* reinstall flash parts */ \
 180        "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
 181        "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
 182        "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
 183        "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
 184        "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
 185#endif /* CONFIG_FLASH_8MB */
 186
 187#define CONFIG_LOADS_ECHO       1       /* echo on for serial download */
 188#undef CONFIG_SYS_LOADS_BAUD_CHANGE             /* don't allow baudrate change */
 189#undef CONFIG_WATCHDOG                  /* watchdog disabled */
 190#undef CONFIG_STATUS_LED                /* Status LED disabled */
 191#undef CONFIG_CAN_DRIVER                /* CAN Driver support disabled */
 192
 193/*
 194 * BOOTP options
 195 */
 196#define CONFIG_BOOTP_SUBNETMASK
 197#define CONFIG_BOOTP_GATEWAY
 198#define CONFIG_BOOTP_HOSTNAME
 199#define CONFIG_BOOTP_BOOTPATH
 200#define CONFIG_BOOTP_BOOTFILESIZE
 201
 202
 203#undef CONFIG_MAC_PARTITION
 204#undef CONFIG_DOS_PARTITION
 205
 206#define CONFIG_RTC_MPC8xx       /* use internal RTC of MPC8xx */
 207
 208
 209/*
 210 * Command line configuration.
 211 */
 212#define CONFIG_CMD_BDI
 213#define CONFIG_CMD_BOOTD
 214#define CONFIG_CMD_CONSOLE
 215#define CONFIG_CMD_DATE
 216#define CONFIG_CMD_SAVEENV
 217#define CONFIG_CMD_FLASH
 218#define CONFIG_CMD_IMI
 219#define CONFIG_CMD_IMMAP
 220#define CONFIG_CMD_MEMORY
 221#define CONFIG_CMD_NET
 222#define CONFIG_CMD_RUN
 223
 224
 225/*-----------------------------------------------------------------------
 226 * Environment variable storage is in FLASH, one sector before U-boot
 227 */
 228#define CONFIG_ENV_IS_IN_FLASH  1
 229#define CONFIG_ENV_SECT_SIZE    0x20000         /* 128Kb, one whole sector */
 230#define CONFIG_ENV_SIZE         0x2000          /* 8kb */
 231#define CONFIG_ENV_ADDR         0xffee0000      /* address of env sector */
 232
 233/*-----------------------------------------------------------------------
 234 * Miscellaneous configurable options
 235 */
 236#define CONFIG_SYS_LONGHELP                             /* undef to save memory */
 237#define CONFIG_SYS_PROMPT               "=> "           /* Monitor Command Prompt */
 238
 239#define CONFIG_SYS_HUSH_PARSER          1               /* use "hush" command parser */
 240#define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 241
 242#if defined(CONFIG_CMD_KGDB)
 243#define CONFIG_SYS_CBSIZE               1024            /* Console I/O Buffer Size */
 244#else
 245#define CONFIG_SYS_CBSIZE               256             /* Console I/O Buffer Size */
 246#endif
 247#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 248#define CONFIG_SYS_MAXARGS              16              /* max number of command args */
 249#define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size */
 250
 251#define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works */
 252#define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM */
 253
 254#define CONFIG_SYS_LOAD_ADDR            0x400000        /* default load address */
 255
 256#define CONFIG_SYS_HZ                   1000            /* decrementer freq: 1 ms ticks */
 257
 258#define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
 259
 260/*-----------------------------------------------------------------------
 261 * Low Level Configuration Settings
 262 * (address mappings, register initial values, etc.)
 263 * You should know what you are doing if you make changes here.
 264 */
 265
 266/*-----------------------------------------------------------------------
 267 * Internal Memory Mapped Register
 268 */
 269#define CONFIG_SYS_IMMR         0xFF000000
 270
 271/*-----------------------------------------------------------------------
 272 * Definitions for initial stack pointer and data area (in DPRAM)
 273 */
 274#define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 275#define CONFIG_SYS_INIT_RAM_SIZE        0x2F00          /* Size of used area in DPRAM */
 276#define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 277#define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 278
 279/*-----------------------------------------------------------------------
 280 * Start addresses for the final memory configuration
 281 * (Set up by the startup code)
 282 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 283 */
 284#define CONFIG_SYS_SDRAM_BASE           0x00000000
 285#define CONFIG_SYS_FLASH_BASE           0xFF800000      /* Allow an 8Mbyte window */
 286
 287#define FLASH_BASE0_4M_PRELIM   0xFFC00000      /* Base for 4M Flash */
 288#define FLASH_BASE0_8M_PRELIM   0xFF800000      /* Base for 8M Flash */
 289
 290#define CONFIG_SYS_MONITOR_LEN          (192 << 10)     /* Reserve 192 kB for Monitor */
 291#define CONFIG_SYS_MONITOR_BASE 0xFFF00000      /* U-boot location */
 292#define CONFIG_SYS_MALLOC_LEN           (128 << 10)     /* Reserve 128 kB for malloc() */
 293
 294/*
 295 * For booting Linux, the board info and command line data
 296 * have to be in the first 8 MB of memory, since this is
 297 * the maximum mapped by the Linux kernel during initialization.
 298 */
 299#define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 300
 301/*-----------------------------------------------------------------------
 302 * TODO flash parameters
 303 * FLASH organization for Intel Strataflash
 304 */
 305#undef  CONFIG_SYS_FLASH_16BIT                          /* 32-bit wide flash memory */
 306#define CONFIG_SYS_MAX_FLASH_BANKS      1               /* max number of memory banks */
 307#define CONFIG_SYS_MAX_FLASH_SECT       71              /* max number of sectors on one chip */
 308
 309#define CONFIG_SYS_FLASH_ERASE_TOUT     120000          /* Timeout for Flash Erase (in ms) */
 310#define CONFIG_SYS_FLASH_WRITE_TOUT     500             /* Timeout for Flash Write (in ms) */
 311
 312/*-----------------------------------------------------------------------
 313 * Cache Configuration
 314 */
 315#define CONFIG_SYS_CACHELINE_SIZE       16              /* For all MPC8xx CPUs */
 316#if defined(CONFIG_CMD_KGDB)
 317#define CONFIG_SYS_CACHELINE_SHIFT      4               /* log base 2 of the above value */
 318#endif
 319
 320/*-----------------------------------------------------------------------
 321 * SYPCR - System Protection Control 11-9
 322 * SYPCR can only be written once after reset!
 323 *-----------------------------------------------------------------------
 324 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 325 */
 326
 327#ifdef CONFIG_WATCHDOG
 328#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
 329#else
 330#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP)
 331#endif
 332
 333/*-----------------------------------------------------------------------
 334 * SIUMCR - SIU Module Configuration 11-6
 335 *-----------------------------------------------------------------------
 336 */
 337#define CONFIG_SYS_SIUMCR       (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)
 338
 339/*-----------------------------------------------------------------------
 340 * TBSCR - Time Base Status and Control 11-26
 341 *-----------------------------------------------------------------------
 342 */
 343#define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 344
 345/*-----------------------------------------------------------------------
 346 * RTCSC - Real-Time Clock Status and Control Register 11-27
 347 *-----------------------------------------------------------------------
 348 */
 349#define CONFIG_SYS_RTCSC        (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
 350
 351/*-----------------------------------------------------------------------
 352 * PISCR - Periodic Interrupt Status and Control 11-31
 353 *-----------------------------------------------------------------------
 354 */
 355#define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 356
 357/*-----------------------------------------------------------------------
 358 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
 359 *-----------------------------------------------------------------------
 360 */
 361
 362/* MF (Multiplication Factor of SPLL) */
 363/* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */
 364#define vPLPRCR_MF      ((CONFIG_CLOCK_MULT+1) << 20)
 365#define CONFIG_SYS_PLPRCR       (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)
 366
 367/*-----------------------------------------------------------------------
 368 * SCCR - System Clock and reset Control Register               15-27
 369 *-----------------------------------------------------------------------
 370 */
 371#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
 372#define CONFIG_SYS_SCCR         (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)
 373#define CONFIG_SYS_BRGCLK_PRESCALE      1
 374#endif
 375
 376#if defined(CONFIG_CLOCK_66MHZ)
 377#define CONFIG_SYS_SCCR         (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)
 378#define CONFIG_SYS_BRGCLK_PRESCALE      4
 379#endif
 380
 381#if defined(CONFIG_CLOCK_80MHZ)
 382#define CONFIG_SYS_SCCR         (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)
 383#define CONFIG_SYS_BRGCLK_PRESCALE      4
 384#endif
 385
 386#define SCCR_MASK               CONFIG_SYS_SCCR
 387
 388/*-----------------------------------------------------------------------
 389 * Debug Enable Register
 390 * 0x73E67C0F - All interrupts handled by BDM
 391 * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
 392 *-----------------------------------------------------------------------
 393#define CONFIG_SYS_DER                  0x73E67C0F
 394#define CONFIG_SYS_DER                  0x0082400F
 395
 396 #-------------------------------------------------------------------------
 397 # Program the Debug Enable Register (DER). This register provides the user
 398 # with the reason for entering into the debug mode. We want all conditions
 399 # to end up as an exception. We don't want to enter into debug mode for
 400 # any condition. See the back of of the Development Support section of the
 401 # MPC860 User Manual for a description of this register.
 402 #-------------------------------------------------------------------------
 403*/
 404#define CONFIG_SYS_DER                  0
 405
 406/*-----------------------------------------------------------------------
 407 * Memory Controller Initialization Constants
 408 *-----------------------------------------------------------------------
 409 */
 410
 411/*
 412 * BR0 and OR0 (AMD dual FLASH devices)
 413 * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
 414 */
 415#define CONFIG_SYS_PRELIM_OR_AM
 416#define CONFIG_SYS_OR_TIMING_FLASH
 417
 418/*
 419 *-----------------------------------------------------------------------
 420 * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
 421 *                        flash that resides on the QS823.
 422 *-----------------------------------------------------------------------
 423 */
 424
 425/* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
 426/*                     represents a minumum 32K block size. */
 427#define vBR0_BA                 ((0xFF80 << 16) + (0 << 15))
 428#define CONFIG_SYS_BR0_PRELIM           (vBR0_BA | BR_V)
 429
 430/* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits        */
 431/*                                 which defines a 8 Mbyte memory block. */
 432#define vOR0_AM                 ((0xFF80 << 16) + (0 << 15))
 433
 434#if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)
 435/*  0101 = Add a 5 clock cycle wait state */
 436#define CONFIG_SYS_OR0_PRELIM           (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)
 437#endif
 438
 439#if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)
 440/*  0011 = Add a 3 clock cycle wait state */
 441/*  29.8ns clock * (3 + 2) = 149ns cycle time */
 442#define CONFIG_SYS_OR0_PRELIM           (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)
 443#endif
 444
 445#if defined(CONFIG_CLOCK_16MHZ)
 446/*  0010 = Add a 2 clock cycle wait state */
 447#define CONFIG_SYS_OR0_PRELIM           (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)
 448#endif
 449
 450/*
 451 * BR1 and OR1 (SDRAM)
 452 * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
 453 * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
 454 * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
 455 * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
 456 */
 457
 458#define SDRAM_BASE              0x00000000      /* SDRAM bank */
 459#define SDRAM_PRELIM_OR_AM      0xF8000000      /* map max. 128 MB */
 460
 461/* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
 462 *                                 represents a 128 Mbyte block the DRAM in
 463 *                                 this address base.
 464 */
 465#define vOR1_AM                 ((0xF800 << 16) + (0 << 15))
 466#define vBR1_BA                 ((0x0000 << 16) + (0 << 15))
 467#define CONFIG_SYS_OR1                  (vOR1_AM | OR_CSNT_SAM | OR_BI)
 468#define CONFIG_SYS_BR1                  (vBR1_BA | BR_MS_UPMA | BR_V)
 469
 470/* Machine A Mode Register */
 471
 472/* PTA Periodic Timer A */
 473
 474#if defined(CONFIG_CLOCK_80MHZ)
 475#define vMAMR_PTA               (19 << 24)
 476#endif
 477
 478#if defined(CONFIG_CLOCK_66MHZ)
 479#define vMAMR_PTA               (16 << 24)
 480#endif
 481
 482#if defined(CONFIG_CLOCK_50MHZ)
 483#define vMAMR_PTA               (195 << 24)
 484#endif
 485
 486#if defined(CONFIG_CLOCK_33MHZ)
 487#define vMAMR_PTA               (131 << 24)
 488#endif
 489
 490#if defined(CONFIG_CLOCK_16MHZ)
 491#define vMAMR_PTA               (65 << 24)
 492#endif
 493
 494/* For boards with 16M of SDRAM */
 495#define SDRAM_16M_MAX_SIZE      0x01000000      /* max 16MB SDRAM */
 496#define CONFIG_SYS_16M_MAMR             (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\
 497MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
 498
 499/* For boards with 32M of SDRAM */
 500#define SDRAM_32M_MAX_SIZE      0x02000000      /* max 32MB SDRAM */
 501#define CONFIG_SYS_32M_MAMR             (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\
 502MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
 503
 504
 505/* Memory Periodic Timer Prescaler Register */
 506
 507#if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)
 508/* Divide by 32 */
 509#define CONFIG_SYS_MPTPR                0x02
 510#endif
 511
 512#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
 513/* Divide by 16 */
 514#define CONFIG_SYS_MPTPR                0x04
 515#endif
 516
 517/*
 518 * BR2 and OR2 (Unused)
 519 * Base address = 0xF020_0000 - 0xF020_0FFF
 520 *
 521 */
 522#define CONFIG_SYS_OR2_PRELIM           0xFFF00000
 523#define CONFIG_SYS_BR2_PRELIM           0xF0200000
 524
 525/*
 526 * BR3 and OR3 (External Bus CS3)
 527 * Base address = 0xF030_0000 - 0xF030_0FFF
 528 *
 529 */
 530#define CONFIG_SYS_OR3_PRELIM           0xFFF00000
 531#define CONFIG_SYS_BR3_PRELIM           0xF0300000
 532
 533/*
 534 * BR4 and OR4 (External Bus CS3)
 535 * Base address = 0xF040_0000 - 0xF040_0FFF
 536 *
 537 */
 538#define CONFIG_SYS_OR4_PRELIM           0xFFF00000
 539#define CONFIG_SYS_BR4_PRELIM           0xF0400000
 540
 541
 542/*
 543 * BR4 and OR4 (External Bus CS3)
 544 * Base address = 0xF050_0000 - 0xF050_0FFF
 545 *
 546 */
 547#define CONFIG_SYS_OR5_PRELIM           0xFFF00000
 548#define CONFIG_SYS_BR5_PRELIM           0xF0500000
 549
 550/*
 551 * BR6 and OR6 (Unused)
 552 * Base address = 0xF060_0000 - 0xF060_0FFF
 553 *
 554 */
 555#define CONFIG_SYS_OR6_PRELIM           0xFFF00000
 556#define CONFIG_SYS_BR6_PRELIM           0xF0600000
 557
 558/*
 559 * BR7 and OR7 (Unused)
 560 * Base address = 0xF070_0000 - 0xF070_0FFF
 561 *
 562 */
 563#define CONFIG_SYS_OR7_PRELIM           0xFFF00000
 564#define CONFIG_SYS_BR7_PRELIM           0xF0700000
 565
 566/*
 567 * Sanity checks
 568 */
 569#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
 570#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
 571#endif
 572
 573#endif /* __CONFIG_H */
 574