uboot/include/configs/CCM.h
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   1/*
   2 * (C) Copyright 2001-2005
   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 * configuration options, board specific, for Siemens Card Controller Module
  26 */
  27
  28#ifndef __CONFIG_H
  29#define __CONFIG_H
  30
  31#undef  CCM_80MHz                       /* define for 80 MHz CPU only */
  32
  33/*
  34 * High Level Configuration Options
  35 * (easy to change)
  36 */
  37
  38#define CONFIG_MPC860           1   /* This is a MPC860 CPU ... */
  39#define CONFIG_CCM              1   /* on a Card Controller Module  */
  40#define CONFIG_MISC_INIT_R          /* Call misc_init_r() */
  41#define CONFIG_RESET_PHY_R      1   /* Call reset_phy() */
  42
  43#define CONFIG_8xx_CONS_SMC1    1   /* Console is on SMC1       */
  44#undef  CONFIG_8xx_CONS_SMC2
  45#undef  CONFIG_8xx_CONS_NONE
  46
  47/*  ENVIRONMENT */
  48
  49#define CONFIG_BAUDRATE         19200         /* console baudrate in bps    */
  50#define CONFIG_BOOTDELAY        2             /* autoboot after 2 seconds   */
  51
  52#define CONFIG_IPADDR           192.168.0.42
  53#define CONFIG_NETMASK          255.255.255.0
  54#define CONFIG_GATEWAYIP        0.0.0.0
  55#define CONFIG_SERVERIP         192.168.0.254
  56
  57#define CONFIG_HOSTNAME         CCM
  58
  59#define CONFIG_LOADADDR         40180000
  60
  61#undef  CONFIG_BOOTARGS
  62
  63#define CONFIG_BOOTCOMMAND      "setenv bootargs " \
  64                                "mem=${mem} " \
  65                                "root=/dev/ram rw ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off " \
  66                                "wt_8xx=timeout:3600; " \
  67                                "bootm"
  68
  69#define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  70#undef  CONFIG_SYS_LOADS_BAUD_CHANGE    /* don't allow baudrate change  */
  71
  72#define CONFIG_WATCHDOG         1       /* watchdog enabled             */
  73
  74#undef  CONFIG_STATUS_LED               /* Status LED disabled          */
  75
  76#define CONFIG_PRAM             512     /* reserve 512kB "protected RAM"*/
  77
  78#define CONFIG_RTC_MPC8xx               /* use internal RTC of MPC8xx   */
  79
  80#define CONFIG_SPI                      /* enable SPI driver            */
  81#define CONFIG_SPI_X                    /* 16 bit EEPROM addressing     */
  82
  83/* ----------------------------------------------------------------
  84 * Offset to initial SPI buffers in DPRAM (used if the environment
  85 * is in the SPI EEPROM): We need a 520 byte scratch DPRAM area to
  86 * use at an early stage. It is used between the two initialization
  87 * calls (spi_init_f() and spi_init_r()). The value 0xB00 makes it
  88 * far enough from the start of the data area (as well as from the
  89 * stack pointer).
  90 * ---------------------------------------------------------------- */
  91#define CONFIG_SYS_SPI_INIT_OFFSET              0xB00
  92
  93#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5       /* 32-byte page size    */
  94
  95
  96#define CONFIG_MAC_PARTITION            /* nod used yet                 */
  97#define CONFIG_DOS_PARTITION
  98
  99/*
 100 * BOOTP options
 101 */
 102#define CONFIG_BOOTP_SUBNETMASK
 103#define CONFIG_BOOTP_GATEWAY
 104#define CONFIG_BOOTP_HOSTNAME
 105#define CONFIG_BOOTP_BOOTPATH
 106#define CONFIG_BOOTP_BOOTFILESIZE
 107
 108
 109/*
 110 * Command line configuration.
 111 */
 112#include <config_cmd_default.h>
 113
 114#define CONFIG_CMD_BSP
 115#define CONFIG_CMD_DHCP
 116#define CONFIG_CMD_DATE
 117#define CONFIG_CMD_EEPROM
 118#define CONFIG_CMD_NFS
 119#define CONFIG_CMD_SNTP
 120
 121
 122/*
 123 * Miscellaneous configurable options
 124 */
 125#define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 126#define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */
 127#if defined(CONFIG_CMD_KGDB)
 128#define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 129#else
 130#define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 131#endif
 132#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 133#define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 134#define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 135
 136#define CONFIG_SYS_MEMTEST_START        0x00100000      /* memtest works on     */
 137#define CONFIG_SYS_MEMTEST_END          0x00F00000      /* 1 ... 15MB in DRAM   */
 138
 139#define CONFIG_SYS_LOAD_ADDR            0x00100000      /* default load address */
 140
 141/* Ethernet hardware configuration done using port pins */
 142#define CONFIG_SYS_PA_ETH_RESET 0x0200          /* PA  6        */
 143#define CONFIG_SYS_PA_ETH_MDDIS 0x4000          /* PA  1        */
 144#define CONFIG_SYS_PB_ETH_POWERDOWN     0x00000800      /* PB 20        */
 145#define CONFIG_SYS_PB_ETH_CFG1          0x00000400      /* PB 21        */
 146#define CONFIG_SYS_PB_ETH_CFG2          0x00000200      /* PB 22        */
 147#define CONFIG_SYS_PB_ETH_CFG3          0x00000100      /* PB 23        */
 148
 149/* Ethernet settings:
 150 * MDIO not disabled, autonegotiation, 10/100Mbps, half/full duplex
 151 */
 152#define CONFIG_SYS_ETH_MDDIS_VALUE      0
 153#define CONFIG_SYS_ETH_CFG1_VALUE       1
 154#define CONFIG_SYS_ETH_CFG2_VALUE       1
 155#define CONFIG_SYS_ETH_CFG3_VALUE       1
 156
 157/* PUMA configuration */
 158#define CONFIG_SYS_PC_PUMA_PROG 0x0200          /* PC  6        */
 159#define CONFIG_SYS_PC_PUMA_DONE 0x0008          /* PC 12        */
 160#define CONFIG_SYS_PC_PUMA_INIT 0x0004          /* PC 13        */
 161
 162#define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 163
 164#define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
 165
 166/*
 167 * Low Level Configuration Settings
 168 * (address mappings, register initial values, etc.)
 169 * You should know what you are doing if you make changes here.
 170 */
 171/*-----------------------------------------------------------------------
 172 * Internal Memory Mapped Register
 173 */
 174#define CONFIG_SYS_IMMR         0xF0000000
 175
 176/*-----------------------------------------------------------------------
 177 * Definitions for initial stack pointer and data area (in DPRAM)
 178 */
 179#define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 180#define CONFIG_SYS_INIT_RAM_END 0x2F00  /* End of used area in DPRAM    */
 181#define CONFIG_SYS_GBL_DATA_SIZE        64  /* size in bytes reserved for initial data */
 182#define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 183#define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 184
 185/*-----------------------------------------------------------------------
 186 * Address accessed to reset the board - must not be mapped/assigned
 187 */
 188#define CONFIG_SYS_RESET_ADDRESS        0xFEFFFFFF
 189
 190/*-----------------------------------------------------------------------
 191 * Start addresses for the final memory configuration
 192 * (Set up by the startup code)
 193 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 194 */
 195#define CONFIG_SYS_SDRAM_BASE           0x00000000
 196#define CONFIG_SYS_FLASH_BASE           0x40000000
 197#if defined(DEBUG)
 198#define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 199#else
 200#define CONFIG_SYS_MONITOR_LEN          (192 << 10)     /* Reserve 192 kB for Monitor   */
 201#endif
 202#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 203#define CONFIG_SYS_MALLOC_LEN           (128 << 10)     /* Reserve 128 kB for malloc()  */
 204
 205/*
 206 * For booting Linux, the board info and command line data
 207 * have to be in the first 8 MB of memory, since this is
 208 * the maximum mapped by the Linux kernel during initialization.
 209 */
 210#define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 211
 212/*-----------------------------------------------------------------------
 213 * FLASH organization
 214 */
 215#define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of memory banks           */
 216#define CONFIG_SYS_MAX_FLASH_SECT       67      /* max number of sectors on one chip    */
 217
 218#define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
 219#define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */
 220
 221#if 1
 222/* Start port with environment in flash; switch to SPI EEPROM later */
 223#define CONFIG_ENV_IS_IN_FLASH  1
 224#define CONFIG_ENV_OFFSET               0x8000  /*   Offset   of Environment Sector     */
 225#define CONFIG_ENV_SIZE         0x4000  /* Total Size of Environment Sector     */
 226
 227/* Address and size of Redundant Environment Sector     */
 228#define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
 229#define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 230#else
 231/* Final version: environment in EEPROM */
 232#define CONFIG_ENV_IS_IN_EEPROM 1
 233#define CONFIG_ENV_OFFSET               2048
 234#define CONFIG_ENV_SIZE         2048
 235#endif
 236
 237/*-----------------------------------------------------------------------
 238 * Hardware Information Block
 239 */
 240#define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 241#define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 242#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 243
 244/*-----------------------------------------------------------------------
 245 * Cache Configuration
 246 */
 247#define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 248#define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 249
 250/*-----------------------------------------------------------------------
 251 * SYPCR - System Protection Control                            11-9
 252 * SYPCR can only be written once after reset!
 253 *-----------------------------------------------------------------------
 254 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 255 */
 256#if defined(CONFIG_WATCHDOG)
 257#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 258                         SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 259#else
 260#define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 261                                                  SYPCR_SWP)
 262#endif
 263
 264/*-----------------------------------------------------------------------
 265 * SIUMCR - SIU Module Configuration                            11-6
 266 *-----------------------------------------------------------------------
 267 * we must activate GPL5 in the SIUMCR for CAN
 268 */
 269#define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 270
 271/*-----------------------------------------------------------------------
 272 * TBSCR - Time Base Status and Control                         11-26
 273 *-----------------------------------------------------------------------
 274 * Clear Reference Interrupt Status, Timebase freezing enabled
 275 */
 276#define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 277
 278/*-----------------------------------------------------------------------
 279 * RTCSC - Real-Time Clock Status and Control Register          11-27
 280 *-----------------------------------------------------------------------
 281 */
 282#define CONFIG_SYS_RTCSC        (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
 283
 284/*-----------------------------------------------------------------------
 285 * PISCR - Periodic Interrupt Status and Control                11-31
 286 *-----------------------------------------------------------------------
 287 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 288 */
 289#define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 290
 291/*-----------------------------------------------------------------------
 292 * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 293 *-----------------------------------------------------------------------
 294 * Reset PLL lock status sticky bit, timer expired status bit and timer
 295 * interrupt status bit
 296 *
 297 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
 298 */
 299#ifdef  CCM_80MHz       /* for 80 MHz, we use a 16 MHz clock * 5 */
 300#define CONFIG_SYS_PLPRCR                                                       \
 301                ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
 302#else                   /* up to 50 MHz we use a 1:1 clock */
 303#define CONFIG_SYS_PLPRCR       (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 304#endif  /* CCM_80MHz */
 305
 306/*-----------------------------------------------------------------------
 307 * SCCR - System Clock and reset Control Register               15-27
 308 *-----------------------------------------------------------------------
 309 * Set clock output, timebase and RTC source and divider,
 310 * power management and some other internal clocks
 311 */
 312#define SCCR_MASK       SCCR_EBDF11
 313#ifdef  CCM_80MHz       /* for 80 MHz, we use a 16 MHz clock * 5 */
 314#define CONFIG_SYS_SCCR (/* SCCR_TBS  | */ \
 315                         SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 316                         SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 317                         SCCR_DFALCD00)
 318#else                   /* up to 50 MHz we use a 1:1 clock */
 319#define CONFIG_SYS_SCCR (SCCR_TBS     | \
 320                         SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 321                         SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 322                         SCCR_DFALCD00)
 323#endif  /* CCM_80MHz */
 324
 325/*-----------------------------------------------------------------------
 326 *
 327 * Interrupt Levels
 328 *-----------------------------------------------------------------------
 329 */
 330#define CONFIG_SYS_CPM_INTERRUPT        13      /* SIU_LEVEL6   */
 331
 332/*-----------------------------------------------------------------------
 333 *
 334 *-----------------------------------------------------------------------
 335 *
 336 */
 337#define CONFIG_SYS_DER  0
 338
 339/*
 340 * Init Memory Controller:
 341 *
 342 * BR0/1 and OR0/1 (FLASH)
 343 */
 344
 345#define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 346#define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 347
 348/* used to re-map FLASH both when starting from SRAM or FLASH:
 349 * restrict access enough to keep SRAM working (if any)
 350 * but not too much to meddle with FLASH accesses
 351 */
 352#define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 353#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 354
 355/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1        */
 356#define CONFIG_SYS_OR_TIMING_FLASH      (OR_CSNT_SAM  | OR_ACS_DIV2 | OR_BI | \
 357                                 OR_SCY_5_CLK | OR_EHTR)
 358
 359#define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 360#define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 361#define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 362
 363#define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 364#define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 365#define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 366
 367/*
 368 * BR2 and OR2 (SDRAM)
 369 *
 370 */
 371#define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 372#define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 373#define SDRAM_MAX_SIZE          0x04000000      /* max 64 MB per bank   */
 374
 375/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 376#define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 377
 378#define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 379#define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 380
 381/*
 382 * BR3 and OR3 (CAN Controller)
 383 */
 384#define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 385#define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 386#define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 387#define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 388                                        BR_PS_8 | BR_MS_UPMB | BR_V )
 389
 390/*
 391 * BR4/OR4: PUMA Config
 392 *
 393 * Memory controller will be used in 2 modes:
 394 *
 395 * - "read" mode:
 396 *      BR4: 0x10100801         OR4: 0xffff8520
 397 * - "load" mode (chip select on UPM B):
 398 *      BR4: 0x101004c1         OR4: 0xffff8600
 399 *
 400 * Default initialization is in "read" mode
 401 */
 402#define PUMA_CONF_BASE          0x10100000      /* PUMA Config */
 403#define PUMA_CONF_OR_AM         0xFFFF8000      /* 32 kB */
 404#define PUMA_CONF_LOAD_TIMING   (OR_ACS_DIV2     | OR_SCY_2_CLK)
 405#define PUMA_CONF_READ_TIMING   (OR_G5LA | OR_BI | OR_SCY_2_CLK)
 406
 407#define PUMA_CONF_BR_LOAD       ((PUMA_CONF_BASE & BR_BA_MSK) | \
 408                                        BR_PS_8  | BR_MS_UPMB | BR_V)
 409#define PUMA_CONF_OR_LOAD       (PUMA_CONF_OR_AM | PUMA_CONF_LOAD_TIMING)
 410
 411#define PUMA_CONF_BR_READ       ((PUMA_CONF_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
 412#define PUMA_CONF_OR_READ       (PUMA_CONF_OR_AM | PUMA_CONF_READ_TIMING)
 413
 414#define CONFIG_SYS_BR4_PRELIM           PUMA_CONF_BR_READ
 415#define CONFIG_SYS_OR4_PRELIM           PUMA_CONF_OR_READ
 416
 417/*
 418 * BR5/OR5: PUMA: SMA Bus 8 Bit
 419 *      BR5: 0x10200401         OR5: 0xffe0010a
 420 */
 421#define PUMA_SMA8_BASE          0x10200000      /* PUMA SMA Bus 8 Bit */
 422#define PUMA_SMA8_OR_AM         0xFFE00000      /* 2 MB */
 423#define PUMA_SMA8_TIMING        (OR_BI | OR_SCY_0_CLK | OR_EHTR)
 424
 425#define CONFIG_SYS_BR5_PRELIM           ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
 426#define CONFIG_SYS_OR5_PRELIM           (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA)
 427
 428/*
 429 * BR6/OR6: PUMA: SMA Bus 16 Bit
 430 *      BR6: 0x10600801         OR6: 0xffe0010a
 431 */
 432#define PUMA_SMA16_BASE         0x10600000      /* PUMA SMA Bus 16 Bit */
 433#define PUMA_SMA16_OR_AM        0xFFE00000      /* 2 MB */
 434#define PUMA_SMA16_TIMING       (OR_BI | OR_SCY_0_CLK | OR_EHTR)
 435
 436#define CONFIG_SYS_BR6_PRELIM           ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
 437#define CONFIG_SYS_OR6_PRELIM           (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA)
 438
 439/*
 440 * BR7/OR7: PUMA: external Flash
 441 *      BR7: 0x10a00801         OR7: 0xfe00010a
 442 */
 443#define PUMA_FLASH_BASE         0x10A00000      /* PUMA external Flash */
 444#define PUMA_FLASH_OR_AM        0xFE000000      /* 32 MB */
 445#define PUMA_FLASH_TIMING       (OR_BI | OR_SCY_0_CLK | OR_EHTR)
 446
 447#define CONFIG_SYS_BR7_PRELIM           ((PUMA_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
 448#define CONFIG_SYS_OR7_PRELIM           (PUMA_FLASH_OR_AM | PUMA_FLASH_TIMING | OR_SETA)
 449
 450
 451/*
 452 * Memory Periodic Timer Prescaler
 453 */
 454
 455/* periodic timer for refresh */
 456#define CONFIG_SYS_MAMR_PTA     97              /* start with divider for 100 MHz       */
 457
 458/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit     */
 459#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16         /* setting for 2 banks  */
 460#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32         /* setting for 1 bank   */
 461
 462/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit         */
 463#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8          /* setting for 2 banks  */
 464#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16         /* setting for 1 bank   */
 465
 466/*
 467 * MAMR settings for SDRAM
 468 */
 469
 470/* 8 column SDRAM */
 471#define CONFIG_SYS_MAMR_8COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 472                         MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 473                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 474/* 9 column SDRAM */
 475#define CONFIG_SYS_MAMR_9COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 476                         MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 477                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 478
 479
 480/*
 481 * Internal Definitions
 482 *
 483 * Boot Flags
 484 */
 485#define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 486#define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 487
 488#endif  /* __CONFIG_H */
 489