uboot/include/configs/TQM885D.h
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   1/*
   2 * (C) Copyright 2000-2005
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * (C) Copyright 2006
   6 * Martin Krause, TQ-Systems GmBH, martin.krause@tqs.de
   7 *
   8 * See file CREDITS for list of people who contributed to this
   9 * project.
  10 *
  11 * This program is free software; you can redistribute it and/or
  12 * modify it under the terms of the GNU General Public License as
  13 * published by the Free Software Foundation; either version 2 of
  14 * the License, or (at your option) any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24 * MA 02111-1307 USA
  25 */
  26
  27/*
  28 * board/config.h - configuration options, board specific
  29 */
  30
  31#ifndef __CONFIG_H
  32#define __CONFIG_H
  33
  34/*
  35 * High Level Configuration Options
  36 * (easy to change)
  37 */
  38
  39#define CONFIG_MPC885           1       /* This is a MPC885 CPU         */
  40#define CONFIG_TQM885D          1       /* ...on a TQM88D module        */
  41
  42#define CONFIG_SYS_TEXT_BASE    0x40000000
  43
  44#define CONFIG_8xx_OSCLK                10000000        /*  10 MHz - PLL input clock    */
  45#define CONFIG_SYS_8xx_CPUCLK_MIN               15000000        /*  15 MHz - CPU minimum clock  */
  46#define CONFIG_SYS_8xx_CPUCLK_MAX               133000000       /* 133 MHz - CPU maximum clock  */
  47#define CONFIG_8xx_CPUCLK_DEFAULT       66000000        /*  66 MHz - CPU default clock  */
  48                                                /* (it will be used if there is no      */
  49                                                /* 'cpuclk' variable with valid value)  */
  50
  51#define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  52#define CONFIG_SYS_SMC_RXBUFLEN 128
  53#define CONFIG_SYS_MAXIDLE      10
  54#define CONFIG_BAUDRATE         115200  /* console baudrate = 115kbps   */
  55
  56#define CONFIG_BOOTCOUNT_LIMIT
  57
  58#define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  59
  60#define CONFIG_BOARD_TYPES      1       /* support board types          */
  61
  62#define CONFIG_PREBOOT  "echo;" \
  63        "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  64        "echo"
  65
  66#undef  CONFIG_BOOTARGS
  67
  68#define CONFIG_EXTRA_ENV_SETTINGS                                       \
  69        "netdev=eth0\0"                                                 \
  70        "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
  71                "nfsroot=${serverip}:${rootpath}\0"                     \
  72        "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
  73        "addip=setenv bootargs ${bootargs} "                            \
  74                "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
  75                ":${hostname}:${netdev}:off panic=1\0"                  \
  76        "flash_nfs=run nfsargs addip;"                                  \
  77                "bootm ${kernel_addr}\0"                                \
  78        "flash_self=run ramargs addip;"                                 \
  79                "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
  80        "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"     \
  81        "rootpath=/opt/eldk/ppc_8xx\0"                                  \
  82        "bootfile=/tftpboot/TQM885D/uImage\0"                           \
  83        "fdt_addr=400C0000\0"                                           \
  84        "kernel_addr=40100000\0"                                        \
  85        "ramdisk_addr=40280000\0"                                       \
  86        "load=tftp 200000 ${u-boot}\0"                                  \
  87        "update=protect off 40000000 +${filesize};"                     \
  88                "erase 40000000 +${filesize};"                          \
  89                "cp.b 200000 40000000 ${filesize};"                     \
  90                "protect on 40000000 +${filesize}\0"                    \
  91        ""
  92#define CONFIG_BOOTCOMMAND      "run flash_self"
  93
  94#define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  95#undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
  96
  97#undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  98
  99#define CONFIG_STATUS_LED       1       /* Status LED enabled           */
 100
 101#undef  CONFIG_CAN_DRIVER               /* CAN Driver support disabled  */
 102
 103/* enable I2C and select the hardware/software driver */
 104#undef  CONFIG_HARD_I2C                 /* I2C with hardware support    */
 105#define CONFIG_SOFT_I2C         1       /* I2C bit-banged               */
 106
 107#define CONFIG_SYS_I2C_SPEED            93000   /* 93 kHz is supposed to work   */
 108#define CONFIG_SYS_I2C_SLAVE            0xFE
 109
 110#ifdef CONFIG_SOFT_I2C
 111/*
 112 * Software (bit-bang) I2C driver configuration
 113 */
 114#define PB_SCL          0x00000020      /* PB 26 */
 115#define PB_SDA          0x00000010      /* PB 27 */
 116
 117#define I2C_INIT        (immr->im_cpm.cp_pbdir |=  PB_SCL)
 118#define I2C_ACTIVE      (immr->im_cpm.cp_pbdir |=  PB_SDA)
 119#define I2C_TRISTATE    (immr->im_cpm.cp_pbdir &= ~PB_SDA)
 120#define I2C_READ        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
 121#define I2C_SDA(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
 122                        else    immr->im_cpm.cp_pbdat &= ~PB_SDA
 123#define I2C_SCL(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 124                        else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 125#define I2C_DELAY       udelay(2)       /* 1/4 I2C clock duration */
 126#endif  /* CONFIG_SOFT_I2C */
 127
 128#define CONFIG_SYS_I2C_EEPROM_ADDR      0x50            /* EEPROM AT24C??       */
 129#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2                /* two byte address     */
 130#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4
 131#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* and takes up to 10 msec */
 132
 133# define CONFIG_RTC_DS1337 1
 134# define CONFIG_SYS_I2C_RTC_ADDR 0x68
 135
 136/*
 137 * BOOTP options
 138 */
 139#define CONFIG_BOOTP_SUBNETMASK
 140#define CONFIG_BOOTP_GATEWAY
 141#define CONFIG_BOOTP_HOSTNAME
 142#define CONFIG_BOOTP_BOOTPATH
 143#define CONFIG_BOOTP_BOOTFILESIZE
 144
 145
 146#define CONFIG_MAC_PARTITION
 147#define CONFIG_DOS_PARTITION
 148
 149#undef CONFIG_RTC_MPC8xx                /* MPC885 does not support RTC  */
 150
 151#define CONFIG_TIMESTAMP                /* but print image timestmps    */
 152
 153
 154/*
 155 * Command line configuration.
 156 */
 157#include <config_cmd_default.h>
 158
 159#define CONFIG_CMD_ASKENV
 160#define CONFIG_CMD_DATE
 161#define CONFIG_CMD_DHCP
 162#define CONFIG_CMD_EEPROM
 163#define CONFIG_CMD_EXT2
 164#define CONFIG_CMD_I2C
 165#define CONFIG_CMD_IDE
 166#define CONFIG_CMD_MII
 167#define CONFIG_CMD_NFS
 168#define CONFIG_CMD_PING
 169
 170
 171/*
 172 * Miscellaneous configurable options
 173 */
 174#define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 175#define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
 176
 177#define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 178#define CONFIG_SYS_HUSH_PARSER          1       /* Use the HUSH parser          */
 179#ifdef  CONFIG_SYS_HUSH_PARSER
 180#define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 181#endif
 182
 183#if defined(CONFIG_CMD_KGDB)
 184#define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
 185#else
 186#define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
 187#endif
 188#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 189#define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
 190#define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 191
 192#define CONFIG_SYS_MEMTEST_START        0x0100000       /* memtest works on     */
 193#define CONFIG_SYS_MEMTEST_END          0x0300000       /* 1 ... 3 MB in DRAM   */
 194#define CONFIG_SYS_ALT_MEMTEST                          /* alternate, more extensive
 195                                                   memory test.*/
 196
 197#define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 198
 199#define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 200
 201#define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
 202
 203/*
 204 * Enable loopw command.
 205 */
 206#define CONFIG_LOOPW
 207
 208/*
 209 * Low Level Configuration Settings
 210 * (address mappings, register initial values, etc.)
 211 * You should know what you are doing if you make changes here.
 212 */
 213/*-----------------------------------------------------------------------
 214 * Internal Memory Mapped Register
 215 */
 216#define CONFIG_SYS_IMMR         0xFFF00000
 217
 218/*-----------------------------------------------------------------------
 219 * Definitions for initial stack pointer and data area (in DPRAM)
 220 */
 221#define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 222#define CONFIG_SYS_INIT_RAM_SIZE        0x2F00  /* Size of used area in DPRAM   */
 223#define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 224#define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 225
 226/*-----------------------------------------------------------------------
 227 * Start addresses for the final memory configuration
 228 * (Set up by the startup code)
 229 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 230 */
 231#define CONFIG_SYS_SDRAM_BASE           0x00000000
 232#define CONFIG_SYS_FLASH_BASE           0x40000000
 233#define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 234#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 235#define CONFIG_SYS_MALLOC_LEN           (256 << 10)     /* Reserve 128 kB for malloc()  */
 236
 237/*
 238 * For booting Linux, the board info and command line data
 239 * have to be in the first 8 MB of memory, since this is
 240 * the maximum mapped by the Linux kernel during initialization.
 241 */
 242#define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 243
 244/*-----------------------------------------------------------------------
 245 * FLASH organization
 246 */
 247
 248/* use CFI flash driver */
 249#define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 250#define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver */
 251#define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 252#define CONFIG_SYS_FLASH_EMPTY_INFO
 253#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE       1
 254#define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks */
 255#define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip */
 256
 257#define CONFIG_ENV_IS_IN_FLASH  1
 258#define CONFIG_ENV_OFFSET               0x40000 /*   Offset   of Environment Sector     */
 259#define CONFIG_ENV_SIZE         0x08000 /* Total Size of Environment            */
 260#define CONFIG_ENV_SECT_SIZE    0x40000 /* Total Size of Environment Sector     */
 261
 262/* Address and size of Redundant Environment Sector     */
 263#define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
 264#define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 265
 266/*-----------------------------------------------------------------------
 267 * Hardware Information Block
 268 */
 269#define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 270#define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 271#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 272
 273/*-----------------------------------------------------------------------
 274 * Cache Configuration
 275 */
 276#define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 277#if defined(CONFIG_CMD_KGDB)
 278#define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 279#endif
 280
 281/*-----------------------------------------------------------------------
 282 * SYPCR - System Protection Control                            11-9
 283 * SYPCR can only be written once after reset!
 284 *-----------------------------------------------------------------------
 285 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 286 */
 287#if defined(CONFIG_WATCHDOG)
 288#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 289                         SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 290#else
 291#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 292#endif
 293
 294/*-----------------------------------------------------------------------
 295 * SIUMCR - SIU Module Configuration                            11-6
 296 *-----------------------------------------------------------------------
 297 * PCMCIA config., multi-function pin tri-state
 298 */
 299#ifndef CONFIG_CAN_DRIVER
 300#define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 301#else   /* we must activate GPL5 in the SIUMCR for CAN */
 302#define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 303#endif  /* CONFIG_CAN_DRIVER */
 304
 305/*-----------------------------------------------------------------------
 306 * TBSCR - Time Base Status and Control                         11-26
 307 *-----------------------------------------------------------------------
 308 * Clear Reference Interrupt Status, Timebase freezing enabled
 309 */
 310#define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 311
 312/*-----------------------------------------------------------------------
 313 * PISCR - Periodic Interrupt Status and Control                11-31
 314 *-----------------------------------------------------------------------
 315 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 316 */
 317#define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 318
 319/*-----------------------------------------------------------------------
 320 * SCCR - System Clock and reset Control Register               15-27
 321 *-----------------------------------------------------------------------
 322 * Set clock output, timebase and RTC source and divider,
 323 * power management and some other internal clocks
 324 */
 325#define SCCR_MASK       SCCR_EBDF11
 326#define CONFIG_SYS_SCCR (SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 327                         SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 328                         SCCR_DFALCD00)
 329
 330/*-----------------------------------------------------------------------
 331 * PCMCIA stuff
 332 *-----------------------------------------------------------------------
 333 *
 334 */
 335#define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 336#define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 337#define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 338#define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 339#define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 340#define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 341#define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 342#define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 343
 344/*-----------------------------------------------------------------------
 345 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 346 *-----------------------------------------------------------------------
 347 */
 348
 349#define CONFIG_IDE_8xx_PCCARD   1       /* Use IDE with PC Card Adapter */
 350
 351#undef  CONFIG_IDE_8xx_DIRECT           /* Direct IDE    not supported  */
 352#undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 353#undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 354
 355#define CONFIG_SYS_IDE_MAXBUS           1       /* max. 1 IDE bus               */
 356#define CONFIG_SYS_IDE_MAXDEVICE        1       /* max. 1 drive per IDE bus     */
 357
 358#define CONFIG_SYS_ATA_IDE0_OFFSET      0x0000
 359
 360#define CONFIG_SYS_ATA_BASE_ADDR        CONFIG_SYS_PCMCIA_MEM_ADDR
 361
 362/* Offset for data I/O                  */
 363#define CONFIG_SYS_ATA_DATA_OFFSET      (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 364
 365/* Offset for normal register accesses  */
 366#define CONFIG_SYS_ATA_REG_OFFSET       (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 367
 368/* Offset for alternate registers       */
 369#define CONFIG_SYS_ATA_ALT_OFFSET       0x0100
 370
 371/*-----------------------------------------------------------------------
 372 *
 373 *-----------------------------------------------------------------------
 374 *
 375 */
 376#define CONFIG_SYS_DER 0
 377
 378/*
 379 * Init Memory Controller:
 380 *
 381 * BR0/1 and OR0/1 (FLASH)
 382 */
 383
 384#define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 385#define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 386
 387/* used to re-map FLASH both when starting from SRAM or FLASH:
 388 * restrict access enough to keep SRAM working (if any)
 389 * but not too much to meddle with FLASH accesses
 390 */
 391#define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 392#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 393
 394/*
 395 * FLASH timing: Default value of OR0 after reset
 396 */
 397#define CONFIG_SYS_OR_TIMING_FLASH      (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
 398                                 OR_SCY_6_CLK | OR_TRLX)
 399
 400#define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 401#define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 402#define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 403
 404#define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 405#define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 406#define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 407
 408/*
 409 * BR2/3 and OR2/3 (SDRAM)
 410 *
 411 */
 412#define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 413#define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 414#define SDRAM_MAX_SIZE          (256 << 20)     /* max 256 MB per bank  */
 415
 416/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 417#define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 418
 419#define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 420#define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 421
 422#ifndef CONFIG_CAN_DRIVER
 423#define CONFIG_SYS_OR3_PRELIM   CONFIG_SYS_OR2_PRELIM
 424#define CONFIG_SYS_BR3_PRELIM   ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 425#else   /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
 426#define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 427#define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 428#define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 429#define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 430                                        BR_PS_8 | BR_MS_UPMB | BR_V )
 431#endif  /* CONFIG_CAN_DRIVER */
 432
 433/*
 434 * 4096 Rows from SDRAM example configuration
 435 * 1000 factor s -> ms
 436 * 64   PTP (pre-divider from MPTPR) from SDRAM example configuration
 437 * 4    Number of refresh cycles per period
 438 * 64   Refresh cycle in ms per number of rows
 439 */
 440#define CONFIG_SYS_PTA_PER_CLK  ((4096 * 64 * 1000) / (4 * 64))
 441
 442/*
 443 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
 444 *
 445 *                        CPUclock(MHz) * 31.2
 446 * CONFIG_SYS_MAMR_PTA = -----------------------------------     with DFBRG = 0
 447 *                2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
 448 *
 449 * CPU clock =  15 MHz:  CONFIG_SYS_MAMR_PTA =  29   ->  4 * 7.73 us
 450 * CPU clock =  50 MHz:  CONFIG_SYS_MAMR_PTA =  97   ->  4 * 7.76 us
 451 * CPU clock =  66 MHz:  CONFIG_SYS_MAMR_PTA = 128   ->  4 * 7.75 us
 452 * CPU clock = 133 MHz:  CONFIG_SYS_MAMR_PTA = 255   ->  4 * 7.67 us
 453 *
 454 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
 455 * be met also in the default configuration, i.e. if environment variable
 456 * 'cpuclk' is not set.
 457 */
 458#define CONFIG_SYS_MAMR_PTA             128
 459
 460/*
 461 * Memory Periodic Timer Prescaler Register (MPTPR) values.
 462 */
 463/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
 464#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
 465/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
 466#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
 467
 468/*
 469 * MAMR settings for SDRAM
 470 */
 471
 472/* 8 column SDRAM */
 473#define CONFIG_SYS_MAMR_8COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 474                         MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 475                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 476/* 9 column SDRAM */
 477#define CONFIG_SYS_MAMR_9COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 478                         MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 479                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 480/* 10 column SDRAM */
 481#define CONFIG_SYS_MAMR_10COL   ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 482                         MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9  |   \
 483                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 484
 485/*
 486 * Network configuration
 487 */
 488#define CONFIG_SCC2_ENET                /* enable ethernet on SCC2 */
 489#define CONFIG_FEC_ENET                 /* enable ethernet on FEC */
 490#define CONFIG_ETHER_ON_FEC1            /* ... for FEC1 */
 491#define CONFIG_ETHER_ON_FEC2            /* ... for FEC2 */
 492
 493#if defined(CONFIG_CMD_MII)
 494#define CONFIG_SYS_DISCOVER_PHY
 495#define CONFIG_MII_INIT 1
 496#endif
 497
 498#define CONFIG_NET_RETRY_COUNT 1        /* reduce max. timeout before
 499                                           switching to another netwok (if the
 500                                           tried network is unreachable) */
 501
 502#define CONFIG_ETHPRIME         "SCC"
 503
 504/* pass open firmware flat tree */
 505#define CONFIG_OF_LIBFDT        1
 506#define CONFIG_OF_BOARD_SETUP   1
 507#define CONFIG_HWCONFIG         1
 508
 509#endif  /* __CONFIG_H */
 510