include/configs/TQM855M.h

   1 /*
   2  * (C) Copyright 2000-2014
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * board/config.h - configuration options, board specific
  10  */
  11
  12 #ifndef __CONFIG_H
  13 #define __CONFIG_H
  14
  15 /*
  16  * High Level Configuration Options
  17  * (easy to change)
  18  */
  19
  20 #define CONFIG_MPC855           1       /* This is a MPC855 CPU         */
  21 #define CONFIG_TQM855M          1       /* ...on a TQM8xxM module       */
  22 #define CONFIG_DISPLAY_BOARDINFO
  23
  24 #define CONFIG_SYS_TEXT_BASE    0x40000000
  25
  26 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  27 #define CONFIG_SYS_SMC_RXBUFLEN 128
  28 #define CONFIG_SYS_MAXIDLE      10
  29 #define CONFIG_BAUDRATE         115200  /* console baudrate = 115kbps   */
  30
  31 #define CONFIG_BOOTCOUNT_LIMIT
  32
  33 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  34
  35 #define CONFIG_BOARD_TYPES      1       /* support board types          */
  36
  37 #define CONFIG_PREBOOT  "echo;" \
  38         "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  39         "echo"
  40
  41 #undef  CONFIG_BOOTARGS
  42
  43 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  44         "netdev=eth0\0"                                                 \
  45         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
  46                 "nfsroot=${serverip}:${rootpath}\0"                     \
  47         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
  48         "addip=setenv bootargs ${bootargs} "                            \
  49                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
  50                 ":${hostname}:${netdev}:off panic=1\0"                  \
  51         "flash_nfs=run nfsargs addip;"                                  \
  52                 "bootm ${kernel_addr}\0"                                \
  53         "flash_self=run ramargs addip;"                                 \
  54                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
  55         "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"     \
  56         "rootpath=/opt/eldk/ppc_8xx\0"                                  \
  57         "hostname=TQM855M\0"                                            \
  58         "bootfile=TQM855M/uImage\0"                                     \
  59         "fdt_addr=40080000\0"                                           \
  60         "kernel_addr=400A0000\0"                                        \
  61         "ramdisk_addr=40280000\0"                                       \
  62         "u-boot=TQM855M/u-image.bin\0"                                  \
  63         "load=tftp 200000 ${u-boot}\0"                                  \
  64         "update=prot off 40000000 +${filesize};"                        \
  65                 "era 40000000 +${filesize};"                            \
  66                 "cp.b 200000 40000000 ${filesize};"                     \
  67                 "sete filesize;save\0"                                  \
  68         ""
  69 #define CONFIG_BOOTCOMMAND      "run flash_self"
  70
  71 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  72 #undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
  73
  74 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  75
  76 #define CONFIG_STATUS_LED       1       /* Status LED enabled           */
  77
  78 #undef  CONFIG_CAN_DRIVER               /* CAN Driver support disabled  */
  79
  80 /* enable I2C and select the hardware/software driver */
  81 #define CONFIG_SYS_I2C
  82 #define CONFIG_SYS_I2C_SOFT             /* I2C bit-banged */
  83 #define CONFIG_SYS_I2C_SOFT_SPEED       93000   /* 93 kHz is supposed to work */
  84 #define CONFIG_SYS_I2C_SOFT_SLAVE       0xFE
  85 /*
  86  * Software (bit-bang) I2C driver configuration
  87  */
  88 #define PB_SCL          0x00000020      /* PB 26 */
  89 #define PB_SDA          0x00000010      /* PB 27 */
  90
  91 #define I2C_INIT        (immr->im_cpm.cp_pbdir |=  PB_SCL)
  92 #define I2C_ACTIVE      (immr->im_cpm.cp_pbdir |=  PB_SDA)
  93 #define I2C_TRISTATE    (immr->im_cpm.cp_pbdir &= ~PB_SDA)
  94 #define I2C_READ        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  95 #define I2C_SDA(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
  96                         else    immr->im_cpm.cp_pbdat &= ~PB_SDA
  97 #define I2C_SCL(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
  98                         else    immr->im_cpm.cp_pbdat &= ~PB_SCL
  99 #define I2C_DELAY       udelay(2)       /* 1/4 I2C clock duration */
 100
 101 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50            /* EEPROM AT24C64       */
 102 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2               /* two byte address     */
 103 #if 0
 104 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* takes up to 10 msec  */
 105 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x01
 106 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5
 107 #endif
 108
 109 /*
 110  * BOOTP options
 111  */
 112 #define CONFIG_BOOTP_SUBNETMASK
 113 #define CONFIG_BOOTP_GATEWAY
 114 #define CONFIG_BOOTP_HOSTNAME
 115 #define CONFIG_BOOTP_BOOTPATH
 116 #define CONFIG_BOOTP_BOOTFILESIZE
 117
 118
 119 #define CONFIG_MAC_PARTITION
 120 #define CONFIG_DOS_PARTITION
 121
 122 #define CONFIG_RTC_MPC8xx               /* use internal RTC of MPC8xx   */
 123
 124
 125 /*
 126  * Command line configuration.
 127  */
 128 #define CONFIG_CMD_ASKENV
 129 #define CONFIG_CMD_DATE
 130 #define CONFIG_CMD_DHCP
 131 #define CONFIG_CMD_EXT2
 132 #define CONFIG_CMD_EEPROM
 133 #define CONFIG_CMD_IDE
 134 #define CONFIG_CMD_JFFS2
 135 #define CONFIG_CMD_SNTP
 136
 137
 138 #define CONFIG_NETCONSOLE
 139
 140
 141 /*
 142  * Miscellaneous configurable options
 143  */
 144 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 145
 146 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 147 #define CONFIG_SYS_HUSH_PARSER          1       /* Use the HUSH parser          */
 148
 149 #if defined(CONFIG_CMD_KGDB)
 150 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
 151 #else
 152 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
 153 #endif
 154 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 155 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
 156 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 157
 158 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 159 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
 160
 161 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 162
 163 /*
 164  * Low Level Configuration Settings
 165  * (address mappings, register initial values, etc.)
 166  * You should know what you are doing if you make changes here.
 167  */
 168 /*-----------------------------------------------------------------------
 169  * Internal Memory Mapped Register
 170  */
 171 #define CONFIG_SYS_IMMR         0xFFF00000
 172
 173 /*-----------------------------------------------------------------------
 174  * Definitions for initial stack pointer and data area (in DPRAM)
 175  */
 176 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 177 #define CONFIG_SYS_INIT_RAM_SIZE        0x2F00  /* Size of used area in DPRAM   */
 178 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 179 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 180
 181 /*-----------------------------------------------------------------------
 182  * Start addresses for the final memory configuration
 183  * (Set up by the startup code)
 184  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 185  */
 186 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 187 #define CONFIG_SYS_FLASH_BASE           0x40000000
 188 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 189 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 190 #define CONFIG_SYS_MALLOC_LEN           (128 << 10)     /* Reserve 128 kB for malloc()  */
 191
 192 /*
 193  * For booting Linux, the board info and command line data
 194  * have to be in the first 8 MB of memory, since this is
 195  * the maximum mapped by the Linux kernel during initialization.
 196  */
 197 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 198
 199 /*-----------------------------------------------------------------------
 200  * FLASH organization
 201  */
 202
 203 /* use CFI flash driver */
 204 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 205 #define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver */
 206 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 207 #define CONFIG_SYS_FLASH_EMPTY_INFO
 208 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE       1
 209 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks */
 210 #define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip */
 211
 212 #define CONFIG_ENV_IS_IN_FLASH  1
 213 #define CONFIG_ENV_OFFSET               0x40000 /*   Offset   of Environment Sector     */
 214 #define CONFIG_ENV_SIZE         0x08000 /* Total Size of Environment            */
 215 #define CONFIG_ENV_SECT_SIZE    0x20000 /* Total Size of Environment Sector     */
 216
 217 /* Address and size of Redundant Environment Sector     */
 218 #define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
 219 #define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 220
 221 #define CONFIG_SYS_USE_PPCENV                   /* Environment embedded in sect .ppcenv */
 222
 223 #define CONFIG_MISC_INIT_R              /* Make sure to remap flashes correctly */
 224
 225 /*-----------------------------------------------------------------------
 226  * Dynamic MTD partition support
 227  */
 228 #define CONFIG_CMD_MTDPARTS
 229 #define CONFIG_MTD_DEVICE               /* needed for mtdparts commands */
 230 #define CONFIG_FLASH_CFI_MTD
 231 #define MTDIDS_DEFAULT          "nor0=TQM8xxM-0"
 232
 233 #define MTDPARTS_DEFAULT        "mtdparts=TQM8xxM-0:512k(u-boot),"      \
 234                                                 "128k(dtb),"            \
 235                                                 "1920k(kernel),"        \
 236                                                 "5632(rootfs),"         \
 237                                                 "4m(data)"
 238
 239 /*-----------------------------------------------------------------------
 240  * Hardware Information Block
 241  */
 242 #define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 243 #define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 244 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 245
 246 /*-----------------------------------------------------------------------
 247  * Cache Configuration
 248  */
 249 #define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 250 #if defined(CONFIG_CMD_KGDB)
 251 #define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 252 #endif
 253
 254 /*-----------------------------------------------------------------------
 255  * SYPCR - System Protection Control                            11-9
 256  * SYPCR can only be written once after reset!
 257  *-----------------------------------------------------------------------
 258  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 259  */
 260 #if defined(CONFIG_WATCHDOG)
 261 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 262                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 263 #else
 264 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 265 #endif
 266
 267 /*-----------------------------------------------------------------------
 268  * SIUMCR - SIU Module Configuration                            11-6
 269  *-----------------------------------------------------------------------
 270  * PCMCIA config., multi-function pin tri-state
 271  */
 272 #ifndef CONFIG_CAN_DRIVER
 273 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 274 #else   /* we must activate GPL5 in the SIUMCR for CAN */
 275 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 276 #endif  /* CONFIG_CAN_DRIVER */
 277
 278 /*-----------------------------------------------------------------------
 279  * TBSCR - Time Base Status and Control                         11-26
 280  *-----------------------------------------------------------------------
 281  * Clear Reference Interrupt Status, Timebase freezing enabled
 282  */
 283 #define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 284
 285 /*-----------------------------------------------------------------------
 286  * RTCSC - Real-Time Clock Status and Control Register          11-27
 287  *-----------------------------------------------------------------------
 288  */
 289 #define CONFIG_SYS_RTCSC        (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
 290
 291 /*-----------------------------------------------------------------------
 292  * PISCR - Periodic Interrupt Status and Control                11-31
 293  *-----------------------------------------------------------------------
 294  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 295  */
 296 #define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 297
 298 /*-----------------------------------------------------------------------
 299  * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 300  *-----------------------------------------------------------------------
 301  * Reset PLL lock status sticky bit, timer expired status bit and timer
 302  * interrupt status bit
 303  */
 304 #define CONFIG_SYS_PLPRCR       (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 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 #define CONFIG_SYS_SCCR (SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 314                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 315                          SCCR_DFALCD00)
 316
 317 /*-----------------------------------------------------------------------
 318  * PCMCIA stuff
 319  *-----------------------------------------------------------------------
 320  *
 321  */
 322 #define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 323 #define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 324 #define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 325 #define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 326 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 327 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 328 #define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 329 #define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 330
 331 /*-----------------------------------------------------------------------
 332  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 333  *-----------------------------------------------------------------------
 334  */
 335
 336 #define CONFIG_IDE_PREINIT      1       /* Use preinit IDE hook */
 337 #define CONFIG_IDE_8xx_PCCARD   1       /* Use IDE with PC Card Adapter */
 338
 339 #undef  CONFIG_IDE_8xx_DIRECT           /* Direct IDE    not supported  */
 340 #undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 341 #undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 342
 343 #define CONFIG_SYS_IDE_MAXBUS           1       /* max. 1 IDE bus               */
 344 #define CONFIG_SYS_IDE_MAXDEVICE        1       /* max. 1 drive per IDE bus     */
 345
 346 #define CONFIG_SYS_ATA_IDE0_OFFSET      0x0000
 347
 348 #define CONFIG_SYS_ATA_BASE_ADDR        CONFIG_SYS_PCMCIA_MEM_ADDR
 349
 350 /* Offset for data I/O                  */
 351 #define CONFIG_SYS_ATA_DATA_OFFSET      (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 352
 353 /* Offset for normal register accesses  */
 354 #define CONFIG_SYS_ATA_REG_OFFSET       (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 355
 356 /* Offset for alternate registers       */
 357 #define CONFIG_SYS_ATA_ALT_OFFSET       0x0100
 358
 359 /*-----------------------------------------------------------------------
 360  *
 361  *-----------------------------------------------------------------------
 362  *
 363  */
 364 #define CONFIG_SYS_DER  0
 365
 366 /*
 367  * Init Memory Controller:
 368  *
 369  * BR0/1 and OR0/1 (FLASH)
 370  */
 371
 372 #define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 373 #define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 374
 375 /* used to re-map FLASH both when starting from SRAM or FLASH:
 376  * restrict access enough to keep SRAM working (if any)
 377  * but not too much to meddle with FLASH accesses
 378  */
 379 #define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 380 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 381
 382 /*
 383  * FLASH timing:
 384  */
 385 #define CONFIG_SYS_OR_TIMING_FLASH      (OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
 386                                  OR_SCY_3_CLK | OR_EHTR | OR_BI)
 387
 388 #define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 389 #define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 390 #define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 391
 392 #define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 393 #define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 394 #define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 395
 396 /*
 397  * BR2/3 and OR2/3 (SDRAM)
 398  *
 399  */
 400 #define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 401 #define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 402 #define SDRAM_MAX_SIZE          0x04000000      /* max 64 MB per bank   */
 403
 404 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 405 #define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 406
 407 #define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 408 #define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 409
 410 #ifndef CONFIG_CAN_DRIVER
 411 #define CONFIG_SYS_OR3_PRELIM   CONFIG_SYS_OR2_PRELIM
 412 #define CONFIG_SYS_BR3_PRELIM   ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 413 #else   /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
 414 #define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 415 #define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 416 #define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 417 #define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 418                                         BR_PS_8 | BR_MS_UPMB | BR_V )
 419 #endif  /* CONFIG_CAN_DRIVER */
 420
 421 /*
 422  * Memory Periodic Timer Prescaler
 423  *
 424  * The Divider for PTA (refresh timer) configuration is based on an
 425  * example SDRAM configuration (64 MBit, one bank). The adjustment to
 426  * the number of chip selects (NCS) and the actually needed refresh
 427  * rate is done by setting MPTPR.
 428  *
 429  * PTA is calculated from
 430  *      PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
 431  *
 432  *      gclk      CPU clock (not bus clock!)
 433  *      Trefresh  Refresh cycle * 4 (four word bursts used)
 434  *
 435  * 4096  Rows from SDRAM example configuration
 436  * 1000  factor s -> ms
 437  *   32  PTP (pre-divider from MPTPR) from SDRAM example configuration
 438  *    4  Number of refresh cycles per period
 439  *   64  Refresh cycle in ms per number of rows
 440  * --------------------------------------------
 441  * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
 442  *
 443  * 50 MHz => 50.000.000 / Divider =  98
 444  * 66 Mhz => 66.000.000 / Divider = 129
 445  * 80 Mhz => 80.000.000 / Divider = 156
 446  */
 447
 448 #define CONFIG_SYS_PTA_PER_CLK  ((4096 * 32 * 1000) / (4 * 64))
 449 #define CONFIG_SYS_MAMR_PTA     98
 450
 451 /*
 452  * For 16 MBit, refresh rates could be 31.3 us
 453  * (= 64 ms / 2K = 125 / quad bursts).
 454  * For a simpler initialization, 15.6 us is used instead.
 455  *
 456  * #define CONFIG_SYS_MPTPR_2BK_2K      MPTPR_PTP_DIV32         for 2 banks
 457  * #define CONFIG_SYS_MPTPR_1BK_2K      MPTPR_PTP_DIV64         for 1 bank
 458  */
 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 #define CONFIG_SCC1_ENET
 480 #define CONFIG_FEC_ENET
 481 #define CONFIG_ETHPRIME         "SCC"
 482
 483 /* pass open firmware flat tree */
 484 #define CONFIG_OF_BOARD_SETUP   1
 485 #define CONFIG_HWCONFIG         1
 486
 487 #endif  /* __CONFIG_H */