include/configs/TQM8260.h

   1 /*
   2  * (C) Copyright 2001-2005
   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  * Imported from global configuration:
  17  *      CONFIG_MPC8255
  18  *      CONFIG_MPC8265
  19  *      CONFIG_200MHz
  20  *      CONFIG_266MHz
  21  *      CONFIG_300MHz
  22  *      CONFIG_L2_CACHE
  23  *      CONFIG_BUSMODE_60x
  24  */
  25
  26 /*
  27  * High Level Configuration Options
  28  * (easy to change)
  29  */
  30
  31 #define CONFIG_SYS_TEXT_BASE    0x40000000
  32
  33 #define CONFIG_MPC8260          1       /* This is a MPC8260 CPU                */
  34
  35 #if 0
  36 #define CONFIG_TQM8260          100     /* ...on a TQM8260 module Rev.100       */
  37 #else
  38 #define CONFIG_TQM8260          200     /* ...on a TQM8260 module Rev.200       */
  39 #endif
  40
  41 #define CONFIG_CPM2             1       /* Has a CPM2 */
  42
  43 #define CONFIG_82xx_CONS_SMC1   1       /* console on SMC1                      */
  44
  45 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  46
  47 #define CONFIG_BOOTCOUNT_LIMIT
  48
  49 #define CONFIG_BAUDRATE         115200
  50
  51 #define CONFIG_PREBOOT  "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;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_6xx\0"                                  \
  69         "bootfile=tqm8260/uImage\0"                             \
  70         "kernel_addr=400C0000\0"                                        \
  71         "ramdisk_addr=40240000\0"                                       \
  72         ""
  73 #define CONFIG_BOOTCOMMAND      "run flash_self"
  74
  75 /* enable I2C and select the hardware/software driver */
  76 #define CONFIG_SYS_I2C
  77 #define CONFIG_SYS_I2C_SOFT             /* I2C bit-banged */
  78 #define CONFIG_SYS_I2C_SOFT_SPEED       400000
  79 #define CONFIG_SYS_I2C_SOFT_SLAVE       0x7F
  80
  81 /*
  82  * Software (bit-bang) I2C driver configuration
  83  */
  84
  85 /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
  86 #if (CONFIG_TQM8260 <= 100)
  87
  88 #define I2C_PORT        3               /* Port A=0, B=1, C=2, D=3 */
  89 #define I2C_ACTIVE      (iop->pdir |=  0x00020000)
  90 #define I2C_TRISTATE    (iop->pdir &= ~0x00020000)
  91 #define I2C_READ        ((iop->pdat & 0x00020000) != 0)
  92 #define I2C_SDA(bit)    if(bit) iop->pdat |=  0x00020000; \
  93                         else    iop->pdat &= ~0x00020000
  94 #define I2C_SCL(bit)    if(bit) iop->pdat |=  0x00010000; \
  95                         else    iop->pdat &= ~0x00010000
  96 #define I2C_DELAY       udelay(5)       /* 1/4 I2C clock duration */
  97
  98 #else
  99
 100 #define I2C_PORT        3               /* Port A=0, B=1, C=2, D=3 */
 101 #define I2C_ACTIVE      (iop->pdir |=  0x00010000)
 102 #define I2C_TRISTATE    (iop->pdir &= ~0x00010000)
 103 #define I2C_READ        ((iop->pdat & 0x00010000) != 0)
 104 #define I2C_SDA(bit)    if(bit) iop->pdat |=  0x00010000; \
 105                         else    iop->pdat &= ~0x00010000
 106 #define I2C_SCL(bit)    if(bit) iop->pdat |=  0x00020000; \
 107                         else    iop->pdat &= ~0x00020000
 108 #define I2C_DELAY       udelay(5)       /* 1/4 I2C clock duration */
 109 #endif
 110
 111 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50
 112 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
 113 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4
 114 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* and takes up to 10 msec */
 115
 116 #define CONFIG_I2C_X
 117
 118 /*
 119  * select serial console configuration
 120  *
 121  * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
 122  * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
 123  * for SCC).
 124  *
 125  * if CONFIG_CONS_NONE is defined, then the serial console routines must
 126  * defined elsewhere (for example, on the cogent platform, there are serial
 127  * ports on the motherboard which are used for the serial console - see
 128  * cogent/cma101/serial.[ch]).
 129  */
 130 #define CONFIG_CONS_ON_SMC              /* define if console on SMC */
 131 #undef  CONFIG_CONS_ON_SCC              /* define if console on SCC */
 132 #undef  CONFIG_CONS_NONE                /* define if console on something else*/
 133 #ifdef CONFIG_82xx_CONS_SMC1
 134 #define CONFIG_CONS_INDEX       1       /* which serial channel for console */
 135 #endif
 136 #ifdef CONFIG_82xx_CONS_SMC2
 137 #define CONFIG_CONS_INDEX       2       /* which serial channel for console */
 138 #endif
 139
 140 #undef  CONFIG_CONS_USE_EXTC            /* SMC/SCC use ext clock not brg_clk */
 141 #define CONFIG_CONS_EXTC_RATE   3686400 /* SMC/SCC ext clk rate in Hz */
 142 #define CONFIG_CONS_EXTC_PINSEL 0       /* pin select 0=CLK3/CLK9 */
 143
 144 /*
 145  * select ethernet configuration
 146  *
 147  * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
 148  * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
 149  * for FCC)
 150  *
 151  * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
 152  * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
 153  *
 154  * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
 155  * X.29 connector, and FCC2 is hardwired to the X.1 connector)
 156  */
 157 #undef  CONFIG_ETHER_ON_SCC             /* define if ether on SCC       */
 158 #define CONFIG_ETHER_ON_FCC             /* define if ether on FCC       */
 159 #undef  CONFIG_ETHER_NONE               /* define if ether on something else */
 160 #define CONFIG_ETHER_INDEX    2         /* which SCC/FCC channel for ethernet */
 161
 162 #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
 163
 164 /*
 165  *  - RX clk is CLK11
 166  *  - TX clk is CLK12
 167  */
 168 # define CONFIG_SYS_CMXSCR_VALUE1       (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
 169
 170 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
 171
 172 /*
 173  * - Rx-CLK is CLK13
 174  * - Tx-CLK is CLK14
 175  * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
 176  * - Enable Full Duplex in FSMR
 177  */
 178 # define CONFIG_SYS_CMXFCR_MASK2        (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
 179 # define CONFIG_SYS_CMXFCR_VALUE2       (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
 180 # define CONFIG_SYS_CPMFCR_RAMTYPE      0
 181 # define CONFIG_SYS_FCC_PSMR            (FCC_PSMR_FDE|FCC_PSMR_LPB)
 182
 183 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
 184
 185
 186 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
 187 #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
 188 #  define CONFIG_8260_CLKIN     66666666        /* in Hz */
 189 #else   /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
 190 # ifndef CONFIG_300MHz
 191 #  define CONFIG_8260_CLKIN     66666666        /* in Hz */
 192 # else
 193 #  define CONFIG_8260_CLKIN     83333000        /* in Hz */
 194 # endif
 195 #endif  /* CONFIG_MPC8255 */
 196
 197 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
 198 #undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
 199
 200 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
 201
 202 #define CONFIG_TIMESTAMP                /* Print image info with timestamp */
 203
 204
 205 /*
 206  * BOOTP options
 207  */
 208 #define CONFIG_BOOTP_SUBNETMASK
 209 #define CONFIG_BOOTP_GATEWAY
 210 #define CONFIG_BOOTP_HOSTNAME
 211 #define CONFIG_BOOTP_BOOTPATH
 212 #define CONFIG_BOOTP_BOOTFILESIZE
 213
 214
 215 /*
 216  * Command line configuration.
 217  */
 218 #include <config_cmd_default.h>
 219
 220 #define CONFIG_CMD_DHCP
 221 #define CONFIG_CMD_I2C
 222 #define CONFIG_CMD_EEPROM
 223 #define CONFIG_CMD_NFS
 224 #define CONFIG_CMD_SNTP
 225
 226
 227 /*
 228  * Miscellaneous configurable options
 229  */
 230 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 231
 232 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 233 #define CONFIG_SYS_HUSH_PARSER          1       /* Use the HUSH parser          */
 234
 235 #if defined(CONFIG_CMD_KGDB)
 236 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 237 #else
 238 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 239 #endif
 240 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 241 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 242 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 243
 244 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 245 #define CONFIG_SYS_MEMTEST_END  0x0C00000       /* 4 ... 12 MB in DRAM  */
 246
 247 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
 248
 249 #define CONFIG_SYS_RESET_ADDRESS 0xFFFFFFFC     /* "bad" address                */
 250
 251 /*
 252  * For booting Linux, the board info and command line data
 253  * have to be in the first 8 MB of memory, since this is
 254  * the maximum mapped by the Linux kernel during initialization.
 255  */
 256 #define CONFIG_SYS_BOOTMAPSZ        (8 << 20)       /* Initial Memory map for Linux */
 257
 258
 259 /* What should the base address of the main FLASH be and how big is
 260  * it (in MBytes)? This must contain CONFIG_SYS_TEXT_BASE from board/tqm8260/config.mk
 261  * The main FLASH is whichever is connected to *CS0.
 262  */
 263 #define CONFIG_SYS_FLASH0_BASE 0x40000000
 264 #define CONFIG_SYS_FLASH1_BASE 0x60000000
 265 #define CONFIG_SYS_FLASH0_SIZE 32
 266 #define CONFIG_SYS_FLASH1_SIZE 32
 267
 268 /* Flash bank size (for preliminary settings)
 269  */
 270 #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE
 271
 272 /*-----------------------------------------------------------------------
 273  * FLASH organization
 274  */
 275 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max num of memory banks      */
 276 #define CONFIG_SYS_MAX_FLASH_SECT       128     /* max num of sects on one chip */
 277
 278 #define CONFIG_SYS_FLASH_ERASE_TOUT     240000  /* Flash Erase Timeout (in ms)  */
 279 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Flash Write Timeout (in ms)  */
 280
 281 /* use CFI flash driver */
 282 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 283 #define CONFIG_FLASH_CFI_DRIVER         1       /* Use the common driver */
 284 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE }
 285 #define CONFIG_SYS_FLASH_EMPTY_INFO     1
 286 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
 287
 288 #define CONFIG_ENV_IS_IN_FLASH  1
 289 #define CONFIG_ENV_ADDR         (CONFIG_SYS_FLASH_BASE + 0x40000)
 290 #define CONFIG_ENV_SIZE         0x08000
 291 #define CONFIG_ENV_SECT_SIZE    0x40000
 292 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
 293 #define CONFIG_ENV_SIZE_REDUND  CONFIG_ENV_SIZE
 294
 295 /*-----------------------------------------------------------------------
 296  * Hardware Information Block
 297  */
 298 #define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 299 #define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 300 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 301
 302 /*-----------------------------------------------------------------------
 303  * Hard Reset Configuration Words
 304  *
 305  * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
 306  * defines for the various registers affected by the HRCW e.g. changing
 307  * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
 308  */
 309 #define __HRCW__ALL__           (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
 310
 311 #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
 312 #  define CONFIG_SYS_HRCW_MASTER        (__HRCW__ALL__ | HRCW_MODCK_H0111)
 313 #else   /* ! MPC8255 && !MPC8265 */
 314 # if defined(CONFIG_266MHz)
 315 #  define CONFIG_SYS_HRCW_MASTER        (__HRCW__ALL__ | HRCW_MODCK_H0111)
 316 # elif defined(CONFIG_300MHz)
 317 #  define CONFIG_SYS_HRCW_MASTER        (__HRCW__ALL__ | HRCW_MODCK_H0110)
 318 # else
 319 #  define CONFIG_SYS_HRCW_MASTER        (__HRCW__ALL__)
 320 # endif
 321 #endif  /* CONFIG_MPC8255 */
 322
 323 /* no slaves so just fill with zeros */
 324 #define CONFIG_SYS_HRCW_SLAVE1          0
 325 #define CONFIG_SYS_HRCW_SLAVE2          0
 326 #define CONFIG_SYS_HRCW_SLAVE3          0
 327 #define CONFIG_SYS_HRCW_SLAVE4          0
 328 #define CONFIG_SYS_HRCW_SLAVE5          0
 329 #define CONFIG_SYS_HRCW_SLAVE6          0
 330 #define CONFIG_SYS_HRCW_SLAVE7          0
 331
 332 /*-----------------------------------------------------------------------
 333  * Internal Memory Mapped Register
 334  */
 335 #define CONFIG_SYS_IMMR         0xFFF00000
 336
 337 /*-----------------------------------------------------------------------
 338  * Definitions for initial stack pointer and data area (in DPRAM)
 339  */
 340 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 341 #define CONFIG_SYS_INIT_RAM_SIZE        0x4000  /* Size of used area in DPRAM    */
 342 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 343 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 344
 345 /*-----------------------------------------------------------------------
 346  * Start addresses for the final memory configuration
 347  * (Set up by the startup code)
 348  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 349  *
 350  * 60x SDRAM is mapped at CONFIG_SYS_SDRAM_BASE, local SDRAM
 351  * is mapped at SDRAM_BASE2_PRELIM.
 352  */
 353 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 354 #define CONFIG_SYS_FLASH_BASE           CONFIG_SYS_FLASH0_BASE
 355 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
 356 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor */
 357 #define CONFIG_SYS_MALLOC_LEN           (512 << 10)     /* Reserve 512 kB for malloc()*/
 358
 359 /*-----------------------------------------------------------------------
 360  * Cache Configuration
 361  */
 362 #define CONFIG_SYS_CACHELINE_SIZE      32      /* For MPC8260 CPU              */
 363 #if defined(CONFIG_CMD_KGDB)
 364 # define CONFIG_SYS_CACHELINE_SHIFT     5       /* log base 2 of the above value */
 365 #endif
 366
 367 /*-----------------------------------------------------------------------
 368  * HIDx - Hardware Implementation-dependent Registers                    2-11
 369  *-----------------------------------------------------------------------
 370  * HID0 also contains cache control - initially enable both caches and
 371  * invalidate contents, then the final state leaves only the instruction
 372  * cache enabled. Note that Power-On and Hard reset invalidate the caches,
 373  * but Soft reset does not.
 374  *
 375  * HID1 has only read-only information - nothing to set.
 376  */
 377 #define CONFIG_SYS_HID0_INIT   (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
 378                                 HID0_IFEM|HID0_ABE)
 379 #define CONFIG_SYS_HID0_FINAL  (HID0_IFEM|HID0_ABE)
 380 #define CONFIG_SYS_HID2        0
 381
 382 /*-----------------------------------------------------------------------
 383  * RMR - Reset Mode Register                                     5-5
 384  *-----------------------------------------------------------------------
 385  * turn on Checkstop Reset Enable
 386  */
 387 #define CONFIG_SYS_RMR         RMR_CSRE
 388
 389 /*-----------------------------------------------------------------------
 390  * BCR - Bus Configuration                                       4-25
 391  *-----------------------------------------------------------------------
 392  */
 393 #ifdef  CONFIG_BUSMODE_60x
 394 #define CONFIG_SYS_BCR         (BCR_EBM|BCR_L2C|BCR_LETM|\
 395                          BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode  */
 396 #else
 397 #define BCR_APD01       0x10000000
 398 #define CONFIG_SYS_BCR          (BCR_APD01|BCR_ETM|BCR_LETM)    /* 8260 mode */
 399 #endif
 400
 401 /*-----------------------------------------------------------------------
 402  * SIUMCR - SIU Module Configuration                             4-31
 403  *-----------------------------------------------------------------------
 404  */
 405 #if 0
 406 #define CONFIG_SYS_SIUMCR      (SIUMCR_DPPC10|SIUMCR_APPC10)
 407 #else
 408 #define CONFIG_SYS_SIUMCR      (SIUMCR_DPPC00|SIUMCR_APPC10)
 409 #endif
 410
 411
 412 /*-----------------------------------------------------------------------
 413  * SYPCR - System Protection Control                             4-35
 414  * SYPCR can only be written once after reset!
 415  *-----------------------------------------------------------------------
 416  * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
 417  */
 418 #if defined(CONFIG_WATCHDOG)
 419 #define CONFIG_SYS_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
 420                          SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
 421 #else
 422 #define CONFIG_SYS_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
 423                          SYPCR_SWRI|SYPCR_SWP)
 424 #endif /* CONFIG_WATCHDOG */
 425
 426 /*-----------------------------------------------------------------------
 427  * TMCNTSC - Time Counter Status and Control                     4-40
 428  *-----------------------------------------------------------------------
 429  * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
 430  * and enable Time Counter
 431  */
 432 #define CONFIG_SYS_TMCNTSC     (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
 433
 434 /*-----------------------------------------------------------------------
 435  * PISCR - Periodic Interrupt Status and Control                 4-42
 436  *-----------------------------------------------------------------------
 437  * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
 438  * Periodic timer
 439  */
 440 #define CONFIG_SYS_PISCR       (PISCR_PS|PISCR_PTF|PISCR_PTE)
 441
 442 /*-----------------------------------------------------------------------
 443  * SCCR - System Clock Control                                   9-8
 444  *-----------------------------------------------------------------------
 445  * Ensure DFBRG is Divide by 16
 446  */
 447 #define CONFIG_SYS_SCCR        0
 448
 449 /*-----------------------------------------------------------------------
 450  * RCCR - RISC Controller Configuration                         13-7
 451  *-----------------------------------------------------------------------
 452  */
 453 #define CONFIG_SYS_RCCR        0
 454
 455 /*
 456  * Init Memory Controller:
 457  *
 458  * Bank Bus     Machine PortSz  Device
 459  * ---- ---     ------- ------  ------
 460  *  0   60x     GPCM    64 bit  FLASH
 461  *  1   60x     SDRAM   64 bit  SDRAM
 462  *  2   Local   SDRAM   32 bit  SDRAM
 463  *
 464  */
 465
 466         /* Initialize SDRAM on local bus
 467          */
 468 #define CONFIG_SYS_INIT_LOCAL_SDRAM
 469
 470 #define SDRAM_MAX_SIZE  0x08000000      /* max. 128 MB          */
 471
 472 /* Minimum mask to separate preliminary
 473  * address ranges for CS[0:2]
 474  */
 475 #define CONFIG_SYS_GLOBAL_SDRAM_LIMIT   (512<<20)       /* less than 512 MB */
 476 #define CONFIG_SYS_LOCAL_SDRAM_LIMIT    (128<<20)       /* less than 128 MB */
 477
 478 #define CONFIG_SYS_MPTPR       0x4000
 479
 480 /*-----------------------------------------------------------------------------
 481  * Address for Mode Register Set (MRS) command
 482  *-----------------------------------------------------------------------------
 483  * In fact, the address is rather configuration data presented to the SDRAM on
 484  * its address lines. Because the address lines may be mux'ed externally either
 485  * for 8 column or 9 column devices, some bits appear twice in the 8260's
 486  * address:
 487  *
 488  * |   (RFU)   |   (RFU)   | WBL |    TM    |     CL    |  BT | Burst Length |
 489  * | BA1   BA0 | A12 : A10 |  A9 |  A8   A7 |  A6 : A4  |  A3 |   A2 :  A0   |
 490  *  8 columns mux'ing:     |  A9 | A10  A21 | A22 : A24 | A25 |  A26 : A28   |
 491  *  9 columns mux'ing:     |  A8 | A20  A21 | A22 : A24 | A25 |  A26 : A28   |
 492  *  Settings:              |  0  |  0    0  |  0  1  0  |  0  |   0  1  0    |
 493  *-----------------------------------------------------------------------------
 494  */
 495 #define CONFIG_SYS_MRS_OFFS     0x00000110
 496
 497
 498 /* Bank 0 - FLASH
 499  */
 500 #define CONFIG_SYS_BR0_PRELIM  ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK)  |\
 501                          BRx_PS_64                      |\
 502                          BRx_MS_GPCM_P                  |\
 503                          BRx_V)
 504
 505 #define CONFIG_SYS_OR0_PRELIM  (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE)      |\
 506                          ORxG_CSNT                      |\
 507                          ORxG_ACS_DIV1                  |\
 508                          ORxG_SCY_3_CLK                 |\
 509                          ORxG_EHTR                      |\
 510                          ORxG_TRLX)
 511
 512         /* SDRAM on TQM8260 can have either 8 or 9 columns.
 513          * The number affects configuration values.
 514          */
 515
 516 /* Bank 1 - 60x bus SDRAM
 517  */
 518 #define CONFIG_SYS_PSRT        0x20
 519 #define CONFIG_SYS_LSRT        0x20
 520 #ifndef CONFIG_SYS_RAMBOOT
 521 #define CONFIG_SYS_BR1_PRELIM  ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK)  |\
 522                          BRx_PS_64                      |\
 523                          BRx_MS_SDRAM_P                 |\
 524                          BRx_V)
 525
 526 #define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR1_8COL
 527
 528
 529         /* SDRAM initialization values for 8-column chips
 530          */
 531 #define CONFIG_SYS_OR1_8COL    ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
 532                          ORxS_BPD_4                     |\
 533                          ORxS_ROWST_PBI1_A7             |\
 534                          ORxS_NUMR_12)
 535
 536 #define CONFIG_SYS_PSDMR_8COL  (PSDMR_PBI                      |\
 537                          PSDMR_SDAM_A15_IS_A5           |\
 538                          PSDMR_BSMA_A12_A14             |\
 539                          PSDMR_SDA10_PBI1_A8            |\
 540                          PSDMR_RFRC_7_CLK               |\
 541                          PSDMR_PRETOACT_2W              |\
 542                          PSDMR_ACTTORW_2W               |\
 543                          PSDMR_LDOTOPRE_1C              |\
 544                          PSDMR_WRC_2C                   |\
 545                          PSDMR_EAMUX                    |\
 546                          PSDMR_CL_2)
 547
 548         /* SDRAM initialization values for 9-column chips
 549          */
 550 #define CONFIG_SYS_OR1_9COL    ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
 551                          ORxS_BPD_4                     |\
 552                          ORxS_ROWST_PBI1_A5             |\
 553                          ORxS_NUMR_13)
 554
 555 #define CONFIG_SYS_PSDMR_9COL  (PSDMR_PBI                      |\
 556                          PSDMR_SDAM_A16_IS_A5           |\
 557                          PSDMR_BSMA_A12_A14             |\
 558                          PSDMR_SDA10_PBI1_A7            |\
 559                          PSDMR_RFRC_7_CLK               |\
 560                          PSDMR_PRETOACT_2W              |\
 561                          PSDMR_ACTTORW_2W               |\
 562                          PSDMR_LDOTOPRE_1C              |\
 563                          PSDMR_WRC_2C                   |\
 564                          PSDMR_EAMUX                    |\
 565                          PSDMR_CL_2)
 566
 567 /* Bank 2 - Local bus SDRAM
 568  */
 569 #ifdef CONFIG_SYS_INIT_LOCAL_SDRAM
 570 #define CONFIG_SYS_BR2_PRELIM  ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
 571                          BRx_PS_32                      |\
 572                          BRx_MS_SDRAM_L                 |\
 573                          BRx_V)
 574
 575 #define CONFIG_SYS_OR2_PRELIM   CONFIG_SYS_OR2_8COL
 576
 577 #define SDRAM_BASE2_PRELIM      0x80000000
 578
 579         /* SDRAM initialization values for 8-column chips
 580          */
 581 #define CONFIG_SYS_OR2_8COL    ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
 582                          ORxS_BPD_4                     |\
 583                          ORxS_ROWST_PBI1_A8             |\
 584                          ORxS_NUMR_12)
 585
 586 #define CONFIG_SYS_LSDMR_8COL  (PSDMR_PBI                      |\
 587                          PSDMR_SDAM_A15_IS_A5           |\
 588                          PSDMR_BSMA_A13_A15             |\
 589                          PSDMR_SDA10_PBI1_A9            |\
 590                          PSDMR_RFRC_7_CLK               |\
 591                          PSDMR_PRETOACT_2W              |\
 592                          PSDMR_ACTTORW_2W               |\
 593                          PSDMR_BL                       |\
 594                          PSDMR_LDOTOPRE_1C              |\
 595                          PSDMR_WRC_2C                   |\
 596                          PSDMR_CL_2)
 597
 598         /* SDRAM initialization values for 9-column chips
 599          */
 600 #define CONFIG_SYS_OR2_9COL    ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
 601                          ORxS_BPD_4                     |\
 602                          ORxS_ROWST_PBI1_A6             |\
 603                          ORxS_NUMR_13)
 604
 605 #define CONFIG_SYS_LSDMR_9COL  (PSDMR_PBI                      |\
 606                          PSDMR_SDAM_A16_IS_A5           |\
 607                          PSDMR_BSMA_A13_A15             |\
 608                          PSDMR_SDA10_PBI1_A8            |\
 609                          PSDMR_RFRC_7_CLK               |\
 610                          PSDMR_PRETOACT_2W              |\
 611                          PSDMR_ACTTORW_2W               |\
 612                          PSDMR_BL                       |\
 613                          PSDMR_LDOTOPRE_1C              |\
 614                          PSDMR_WRC_2C                   |\
 615                          PSDMR_CL_2)
 616
 617 #endif /* CONFIG_SYS_INIT_LOCAL_SDRAM */
 618
 619 #endif /* CONFIG_SYS_RAMBOOT */
 620
 621 #endif  /* __CONFIG_H */