include/configs/TQM866M.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_MPC866           1       /* This is a MPC866 CPU         */
  21 #define CONFIG_TQM866M          1       /* ...on a TQM8xxM module       */
  22
  23 #define CONFIG_SYS_TEXT_BASE    0x40000000
  24
  25 #define CONFIG_8xx_OSCLK                10000000        /*  10 MHz - PLL input clock    */
  26 #define CONFIG_SYS_8xx_CPUCLK_MIN               15000000        /*  15 MHz - CPU minimum clock  */
  27 #define CONFIG_SYS_8xx_CPUCLK_MAX               133000000       /* 133 MHz - CPU maximum clock  */
  28 #define CONFIG_8xx_CPUCLK_DEFAULT       50000000        /*  50 MHz - CPU default clock  */
  29                                                 /* (it will be used if there is no      */
  30                                                 /* 'cpuclk' variable with valid value)  */
  31
  32 #undef CONFIG_SYS_MEASURE_CPUCLK                        /* Measure real cpu clock       */
  33                                                 /* (function measure_gclk()     */
  34                                                 /* will be called)              */
  35 #ifdef CONFIG_SYS_MEASURE_CPUCLK
  36 #define CONFIG_SYS_8XX_XIN              10000000        /* measure_gclk() needs this    */
  37 #endif
  38
  39 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  40 #define CONFIG_SYS_SMC_RXBUFLEN 128
  41 #define CONFIG_SYS_MAXIDLE      10
  42 #define CONFIG_BAUDRATE         115200  /* console baudrate = 115kbps   */
  43
  44 #define CONFIG_BOOTCOUNT_LIMIT
  45
  46
  47 #define CONFIG_BOARD_TYPES      1       /* support board types          */
  48
  49 #define CONFIG_PREBOOT  "echo;" \
  50         "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  51         "echo"
  52
  53 #undef  CONFIG_BOOTARGS
  54
  55 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  56         "netdev=eth0\0"                                                 \
  57         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
  58                 "nfsroot=${serverip}:${rootpath}\0"                     \
  59         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
  60         "addip=setenv bootargs ${bootargs} "                            \
  61                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
  62                 ":${hostname}:${netdev}:off panic=1\0"                  \
  63         "flash_nfs=run nfsargs addip;"                                  \
  64                 "bootm ${kernel_addr}\0"                                \
  65         "flash_self=run ramargs addip;"                                 \
  66                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
  67         "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"     \
  68         "rootpath=/opt/eldk/ppc_8xx\0"                                  \
  69         "hostname=TQM866M\0"                                            \
  70         "bootfile=TQM866M/uImage\0"                                     \
  71         "fdt_addr=400C0000\0"                                           \
  72         "kernel_addr=40100000\0"                                        \
  73         "ramdisk_addr=40280000\0"                                       \
  74         "u-boot=TQM866M/u-image.bin\0"                                  \
  75         "load=tftp 200000 ${u-boot}\0"                                  \
  76         "update=prot off 40000000 +${filesize};"                        \
  77                 "era 40000000 +${filesize};"                            \
  78                 "cp.b 200000 40000000 ${filesize};"                     \
  79                 "sete filesize;save\0"                                  \
  80         ""
  81 #define CONFIG_BOOTCOMMAND      "run flash_self"
  82
  83 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  84 #undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
  85
  86 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  87
  88 #undef  CONFIG_CAN_DRIVER               /* CAN Driver support disabled  */
  89
  90 /* enable I2C and select the hardware/software driver */
  91 #define CONFIG_SYS_I2C
  92 #define CONFIG_SYS_I2C_SOFT                     /* I2C bit-banged */
  93 #define CONFIG_SYS_I2C_SOFT_SPEED       93000   /* 93 kHz is supposed to work */
  94 #define CONFIG_SYS_I2C_SOFT_SLAVE       0xFE
  95
  96 /*
  97  * Software (bit-bang) I2C driver configuration
  98  */
  99 #define PB_SCL          0x00000020      /* PB 26 */
 100 #define PB_SDA          0x00000010      /* PB 27 */
 101
 102 #define I2C_INIT        (immr->im_cpm.cp_pbdir |=  PB_SCL)
 103 #define I2C_ACTIVE      (immr->im_cpm.cp_pbdir |=  PB_SDA)
 104 #define I2C_TRISTATE    (immr->im_cpm.cp_pbdir &= ~PB_SDA)
 105 #define I2C_READ        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
 106 #define I2C_SDA(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
 107                         else    immr->im_cpm.cp_pbdat &= ~PB_SDA
 108 #define I2C_SCL(bit)    if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 109                         else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 110 #define I2C_DELAY       udelay(2)       /* 1/4 I2C clock duration */
 111
 112 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50            /* EEPROM AT24C256      */
 113 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2                /* two byte address     */
 114 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4
 115 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* and takes up to 10 msec */
 116
 117 /*
 118  * BOOTP options
 119  */
 120 #define CONFIG_BOOTP_SUBNETMASK
 121 #define CONFIG_BOOTP_GATEWAY
 122 #define CONFIG_BOOTP_HOSTNAME
 123 #define CONFIG_BOOTP_BOOTPATH
 124 #define CONFIG_BOOTP_BOOTFILESIZE
 125
 126 #define CONFIG_MAC_PARTITION
 127 #define CONFIG_DOS_PARTITION
 128
 129 #undef CONFIG_RTC_MPC8xx                /* MPC866 does not support RTC  */
 130
 131 #define CONFIG_TIMESTAMP                /* but print image timestmps    */
 132
 133 /*
 134  * Command line configuration.
 135  */
 136 #define CONFIG_CMD_EEPROM
 137 #define CONFIG_CMD_IDE
 138 #define CONFIG_CMD_JFFS2
 139
 140 #define CONFIG_NETCONSOLE
 141
 142 /*
 143  * Miscellaneous configurable options
 144  */
 145 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 146
 147 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 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           (256 << 10)     /* Reserve 256 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 /* use CFI flash driver */
 203 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 204 #define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver */
 205 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 206 #define CONFIG_SYS_FLASH_EMPTY_INFO
 207 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE       1
 208 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks */
 209 #define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip */
 210
 211 #define CONFIG_ENV_IS_IN_FLASH  1
 212 #define CONFIG_ENV_OFFSET               0x40000 /*   Offset   of Environment Sector     */
 213 #define CONFIG_ENV_SIZE         0x08000 /* Total Size of Environment Sector     */
 214 #define CONFIG_ENV_SECT_SIZE    0x40000 /* Total Size of Environment Sector     */
 215
 216 /* Address and size of Redundant Environment Sector     */
 217 #define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
 218 #define CONFIG_ENV_SIZE_REDUND  (CONFIG_ENV_SIZE)
 219
 220 #define CONFIG_SYS_USE_PPCENV                   /* Environment embedded in sect .ppcenv */
 221
 222 #define CONFIG_MISC_INIT_R              /* Make sure to remap flashes correctly */
 223
 224 /*-----------------------------------------------------------------------
 225  * Dynamic MTD partition support
 226  */
 227 #define CONFIG_CMD_MTDPARTS
 228 #define CONFIG_MTD_DEVICE               /* needed for mtdparts commands */
 229 #define CONFIG_FLASH_CFI_MTD
 230 #define MTDIDS_DEFAULT          "nor0=TQM8xxM-0"
 231
 232 #define MTDPARTS_DEFAULT        "mtdparts=TQM8xxM-0:512k(u-boot),"      \
 233                                                 "128k(dtb),"            \
 234                                                 "1920k(kernel),"        \
 235                                                 "5632(rootfs),"         \
 236                                                 "4m(data)"
 237
 238 /*-----------------------------------------------------------------------
 239  * Hardware Information Block
 240  */
 241 #define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 242 #define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 243 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 244
 245 /*-----------------------------------------------------------------------
 246  * Cache Configuration
 247  */
 248 #define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 249 #if defined(CONFIG_CMD_KGDB)
 250 #define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 251 #endif
 252
 253 /*-----------------------------------------------------------------------
 254  * SYPCR - System Protection Control                            11-9
 255  * SYPCR can only be written once after reset!
 256  *-----------------------------------------------------------------------
 257  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 258  */
 259 #if defined(CONFIG_WATCHDOG)
 260 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 261                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 262 #else
 263 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 264 #endif
 265
 266 /*-----------------------------------------------------------------------
 267  * SIUMCR - SIU Module Configuration                            11-6
 268  *-----------------------------------------------------------------------
 269  * PCMCIA config., multi-function pin tri-state
 270  */
 271 #ifndef CONFIG_CAN_DRIVER
 272 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 273 #else   /* we must activate GPL5 in the SIUMCR for CAN */
 274 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 275 #endif  /* CONFIG_CAN_DRIVER */
 276
 277 /*-----------------------------------------------------------------------
 278  * TBSCR - Time Base Status and Control                         11-26
 279  *-----------------------------------------------------------------------
 280  * Clear Reference Interrupt Status, Timebase freezing enabled
 281  */
 282 #define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 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  * SCCR - System Clock and reset Control Register               15-27
 293  *-----------------------------------------------------------------------
 294  * Set clock output, timebase and RTC source and divider,
 295  * power management and some other internal clocks
 296  */
 297 #define SCCR_MASK       SCCR_EBDF11
 298 #define CONFIG_SYS_SCCR (SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 299                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 300                          SCCR_DFALCD00)
 301
 302 /*-----------------------------------------------------------------------
 303  * PCMCIA stuff
 304  *-----------------------------------------------------------------------
 305  *
 306  */
 307 #define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 308 #define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 309 #define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 310 #define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 311 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 312 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 313 #define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 314 #define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 315
 316 /*-----------------------------------------------------------------------
 317  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 318  *-----------------------------------------------------------------------
 319  */
 320
 321 #define CONFIG_IDE_PREINIT      1       /* Use preinit IDE hook */
 322 #define CONFIG_IDE_8xx_PCCARD   1       /* Use IDE with PC Card Adapter */
 323
 324 #undef  CONFIG_IDE_8xx_DIRECT           /* Direct IDE    not supported  */
 325 #undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 326 #undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 327
 328 #define CONFIG_SYS_IDE_MAXBUS           1       /* max. 1 IDE bus               */
 329 #define CONFIG_SYS_IDE_MAXDEVICE        1       /* max. 1 drive per IDE bus     */
 330
 331 #define CONFIG_SYS_ATA_IDE0_OFFSET      0x0000
 332
 333 #define CONFIG_SYS_ATA_BASE_ADDR        CONFIG_SYS_PCMCIA_MEM_ADDR
 334
 335 /* Offset for data I/O                  */
 336 #define CONFIG_SYS_ATA_DATA_OFFSET      (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 337
 338 /* Offset for normal register accesses  */
 339 #define CONFIG_SYS_ATA_REG_OFFSET       (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
 340
 341 /* Offset for alternate registers       */
 342 #define CONFIG_SYS_ATA_ALT_OFFSET       0x0100
 343
 344 /*-----------------------------------------------------------------------
 345  *
 346  *-----------------------------------------------------------------------
 347  *
 348  */
 349 #define CONFIG_SYS_DER 0
 350
 351 /*
 352  * Init Memory Controller:
 353  *
 354  * BR0/1 and OR0/1 (FLASH)
 355  */
 356
 357 #define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 358 #define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 359
 360 /* used to re-map FLASH both when starting from SRAM or FLASH:
 361  * restrict access enough to keep SRAM working (if any)
 362  * but not too much to meddle with FLASH accesses
 363  */
 364 #define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 365 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 366
 367 /*
 368  * FLASH timing: Default value of OR0 after reset
 369  */
 370 #define CONFIG_SYS_OR_TIMING_FLASH      (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
 371                                  OR_SCY_15_CLK | OR_TRLX)
 372
 373 #define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 374 #define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 375 #define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 376
 377 #define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 378 #define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 379 #define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 380
 381 /*
 382  * BR2/3 and OR2/3 (SDRAM)
 383  *
 384  */
 385 #define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 386 #define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 387 #define SDRAM_MAX_SIZE          (256 << 20)     /* max 256 MB per bank  */
 388
 389 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 390 #define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 391
 392 #define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 393 #define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 394
 395 #ifndef CONFIG_CAN_DRIVER
 396 #define CONFIG_SYS_OR3_PRELIM   CONFIG_SYS_OR2_PRELIM
 397 #define CONFIG_SYS_BR3_PRELIM   ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 398 #else   /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
 399 #define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 400 #define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 401 #define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 402 #define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 403                                         BR_PS_8 | BR_MS_UPMB | BR_V )
 404 #endif  /* CONFIG_CAN_DRIVER */
 405
 406 /*
 407  * 4096 Rows from SDRAM example configuration
 408  * 1000 factor s -> ms
 409  * 64   PTP (pre-divider from MPTPR) from SDRAM example configuration
 410  * 4    Number of refresh cycles per period
 411  * 64   Refresh cycle in ms per number of rows
 412  */
 413 #define CONFIG_SYS_PTA_PER_CLK  ((4096 * 64 * 1000) / (4 * 64))
 414
 415 /*
 416  * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
 417  *
 418  *                        CPUclock(MHz) * 31.2
 419  * CONFIG_SYS_MAMR_PTA = -----------------------------------     with DFBRG = 0
 420  *                2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
 421  *
 422  * CPU clock =  15 MHz:  CONFIG_SYS_MAMR_PTA =  29   ->  4 * 7.73 us
 423  * CPU clock =  50 MHz:  CONFIG_SYS_MAMR_PTA =  97   ->  4 * 7.76 us
 424  * CPU clock =  66 MHz:  CONFIG_SYS_MAMR_PTA = 128   ->  4 * 7.75 us
 425  * CPU clock = 133 MHz:  CONFIG_SYS_MAMR_PTA = 255   ->  4 * 7.67 us
 426  *
 427  * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
 428  * be met also in the default configuration, i.e. if environment variable
 429  * 'cpuclk' is not set.
 430  */
 431 #define CONFIG_SYS_MAMR_PTA             97
 432
 433 /*
 434  * Memory Periodic Timer Prescaler Register (MPTPR) values.
 435  */
 436 /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
 437 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
 438 /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
 439 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
 440
 441 /*
 442  * MAMR settings for SDRAM
 443  */
 444
 445 /* 8 column SDRAM */
 446 #define CONFIG_SYS_MAMR_8COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 447                          MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 448                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 449 /* 9 column SDRAM */
 450 #define CONFIG_SYS_MAMR_9COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 451                          MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 452                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 453 /* 10 column SDRAM */
 454 #define CONFIG_SYS_MAMR_10COL   ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 455                          MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9  |   \
 456                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 457
 458 #define CONFIG_SCC1_ENET
 459 #define CONFIG_FEC_ENET
 460 #define CONFIG_ETHPRIME         "SCC"
 461
 462 #define CONFIG_HWCONFIG         1
 463
 464 #endif  /* __CONFIG_H */