include/configs/Sandpoint8240.h

   1 /*
   2  * (C) Copyright 2001
   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
  26 /*
  27  * board/config.h - configuration options, board specific
  28  */
  29
  30 #ifndef __CONFIG_H
  31 #define __CONFIG_H
  32
  33 /*
  34  * High Level Configuration Options
  35  * (easy to change)
  36  */
  37
  38 #define CONFIG_MPC824X          1
  39 #define CONFIG_MPC8240          1
  40 #define CONFIG_SANDPOINT        1
  41
  42 #if 0
  43 #define USE_DINK32              1
  44 #else
  45 #undef USE_DINK32
  46 #endif
  47
  48 #define CONFIG_CONS_INDEX       1
  49 #define CONFIG_BAUDRATE         115200
  50 #define CONFIG_DRAM_SPEED       100             /* MHz                          */
  51
  52 #define CONFIG_COMMANDS         ( (CONFIG_CMD_DFL & ~CFG_CMD_AUTOSCRIPT) | \
  53                                   CFG_CMD_ELF    | \
  54                                   CFG_CMD_I2C    | \
  55                                   CFG_CMD_SDRAM  | \
  56                                   CFG_CMD_EEPROM | \
  57                                   CFG_CMD_PCI )
  58
  59 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any)       */
  60 #include <cmd_confdefs.h>
  61
  62
  63 /*
  64  * Miscellaneous configurable options
  65  */
  66 #define CFG_LONGHELP            1               /* undef to save memory         */
  67 #define CFG_PROMPT              "=> "           /* Monitor Command Prompt       */
  68 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
  69 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)   /* Print Buffer Size    */
  70 #define CFG_MAXARGS             16              /* max number of command args   */
  71 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
  72 #define CFG_LOAD_ADDR           0x00100000      /* default load address         */
  73 #define CFG_HZ                  1000            /* decrementer freq: 1 ms ticks */
  74
  75 /*-----------------------------------------------------------------------
  76  * PCI stuff
  77  *-----------------------------------------------------------------------
  78  */
  79 #define CONFIG_PCI                              /* include pci support          */
  80 #undef CONFIG_PCI_PNP
  81
  82 #define CONFIG_NET_MULTI                        /* Multi ethernet cards support */
  83
  84 #define CONFIG_EEPRO100
  85 #define CFG_RX_ETH_BUFFER       8               /* use 8 rx buffer on eepro100  */
  86
  87 #define PCI_ENET0_IOADDR        0x80000000
  88 #define PCI_ENET0_MEMADDR       0x80000000
  89 #define PCI_ENET1_IOADDR        0x81000000
  90 #define PCI_ENET1_MEMADDR       0x81000000
  91
  92
  93 /*-----------------------------------------------------------------------
  94  * Start addresses for the final memory configuration
  95  * (Set up by the startup code)
  96  * Please note that CFG_SDRAM_BASE _must_ start at 0
  97  */
  98 #define CFG_SDRAM_BASE          0x00000000
  99 #define CFG_MAX_RAM_SIZE        0x10000000
 100
 101 #define CFG_RESET_ADDRESS       0xFFF00100
 102
 103 #if defined (USE_DINK32)
 104 #define CFG_MONITOR_LEN         0x00030000
 105 #define CFG_MONITOR_BASE        0x00090000
 106 #define CFG_RAMBOOT             1
 107 #define CFG_INIT_RAM_ADDR       (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 108 #define CFG_INIT_RAM_END        0x10000
 109 #define CFG_GBL_DATA_SIZE       256  /* size in bytes reserved for initial data */
 110 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 111 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 112 #else
 113 #undef  CFG_RAMBOOT
 114 #define CFG_MONITOR_LEN         0x00030000
 115 #define CFG_MONITOR_BASE        TEXT_BASE
 116
 117 /*#define CFG_GBL_DATA_SIZE    256*/
 118 #define CFG_GBL_DATA_SIZE       128
 119
 120 #define CFG_INIT_RAM_ADDR     0x40000000
 121 #define CFG_INIT_RAM_END      0x1000
 122 #define CFG_GBL_DATA_OFFSET  (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 123
 124 #endif
 125
 126 #define CFG_FLASH_BASE          0xFFF00000
 127 #if 0
 128 #define CFG_FLASH_SIZE          (512 * 1024)    /* sandpoint has tiny eeprom    */
 129 #else
 130 #define CFG_FLASH_SIZE          (1024 * 1024)   /* Unity has onboard 1MByte flash */
 131 #endif
 132 #define CFG_ENV_IS_IN_FLASH     1
 133 #define CFG_ENV_OFFSET          0x00004000      /* Offset of Environment Sector */
 134 #define CFG_ENV_SIZE            0x00002000      /* Total Size of Environment Sector */
 135
 136 #define CFG_MALLOC_LEN          (512 << 10)     /* Reserve 512 kB for malloc()  */
 137
 138 #define CFG_MEMTEST_START       0x00000000      /* memtest works on             */
 139 #define CFG_MEMTEST_END         0x04000000      /* 0 ... 32 MB in DRAM          */
 140
 141 #define CFG_EUMB_ADDR           0xFC000000
 142
 143 #define CFG_ISA_MEM             0xFD000000
 144 #define CFG_ISA_IO              0xFE000000
 145
 146 #define CFG_FLASH_RANGE_BASE    0xFF000000      /* flash memory address range   */
 147 #define CFG_FLASH_RANGE_SIZE    0x01000000
 148 #define FLASH_BASE0_PRELIM      0xFFF00000      /* sandpoint flash              */
 149 #define FLASH_BASE1_PRELIM      0xFF000000      /* PMC onboard flash            */
 150
 151 /*
 152  * select i2c support configuration
 153  *
 154  * Supported configurations are {none, software, hardware} drivers.
 155  * If the software driver is chosen, there are some additional
 156  * configuration items that the driver uses to drive the port pins.
 157  */
 158 #define CONFIG_HARD_I2C         1               /* To enable I2C support        */
 159 #undef  CONFIG_SOFT_I2C                         /* I2C bit-banged               */
 160 #define CFG_I2C_SPEED           400000          /* I2C speed and slave address  */
 161 #define CFG_I2C_SLAVE           0x7F
 162
 163 #ifdef CONFIG_SOFT_I2C
 164 #error "Soft I2C is not configured properly.  Please review!"
 165 #define I2C_PORT                3               /* Port A=0, B=1, C=2, D=3 */
 166 #define I2C_ACTIVE              (iop->pdir |=  0x00010000)
 167 #define I2C_TRISTATE            (iop->pdir &= ~0x00010000)
 168 #define I2C_READ                ((iop->pdat & 0x00010000) != 0)
 169 #define I2C_SDA(bit)            if(bit) iop->pdat |=  0x00010000; \
 170                                 else    iop->pdat &= ~0x00010000
 171 #define I2C_SCL(bit)            if(bit) iop->pdat |=  0x00020000; \
 172                                 else    iop->pdat &= ~0x00020000
 173 #define I2C_DELAY               udelay(5)       /* 1/4 I2C clock duration */
 174 #endif /* CONFIG_SOFT_I2C */
 175
 176
 177 #define CFG_I2C_EEPROM_ADDR     0x57            /* EEPROM IS24C02               */
 178 #define CFG_I2C_EEPROM_ADDR_LEN 1               /* Bytes of address             */
 179 #define CFG_EEPROM_PAGE_WRITE_BITS      3       /* write page size              */
 180 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  10      /* takes up to 10 msec          */
 181
 182
 183 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 184 #define CFG_FLASH_BANKS         { FLASH_BASE0_PRELIM , FLASH_BASE1_PRELIM }
 185
 186 /*-----------------------------------------------------------------------
 187  * Definitions for initial stack pointer and data area (in DPRAM)
 188  */
 189
 190
 191 #define CFG_WINBOND_83C553      1       /*has a winbond bridge                  */
 192 #define CFG_USE_WINBOND_IDE     0       /*use winbond 83c553 internal IDE ctrlr */
 193 #define CFG_WINBOND_ISA_CFG_ADDR    0x80005800  /*pci-isa bridge config addr    */
 194 #define CFG_WINBOND_IDE_CFG_ADDR    0x80005900  /*ide config addr               */
 195
 196 #define CFG_IDE_MAXBUS          2   /* max. 2 IDE busses        */
 197 #define CFG_IDE_MAXDEVICE       (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
 198
 199 /*
 200  * NS87308 Configuration
 201  */
 202 #define CFG_NS87308                     /* Nat Semi super-io controller on ISA bus */
 203
 204 #define CFG_NS87308_BADDR_10    1
 205
 206 #define CFG_NS87308_DEVS        ( CFG_NS87308_UART1   | \
 207                                   CFG_NS87308_UART2   | \
 208                                   CFG_NS87308_POWRMAN | \
 209                                   CFG_NS87308_RTC_APC )
 210
 211 #undef  CFG_NS87308_PS2MOD
 212
 213 #define CFG_NS87308_CS0_BASE    0x0076
 214 #define CFG_NS87308_CS0_CONF    0x30
 215 #define CFG_NS87308_CS1_BASE    0x0075
 216 #define CFG_NS87308_CS1_CONF    0x30
 217 #define CFG_NS87308_CS2_BASE    0x0074
 218 #define CFG_NS87308_CS2_CONF    0x30
 219
 220 /*
 221  * NS16550 Configuration
 222  */
 223 #define CFG_NS16550
 224 #define CFG_NS16550_SERIAL
 225
 226 #define CFG_NS16550_REG_SIZE    1
 227
 228 #define CFG_NS16550_CLK         1843200
 229
 230 #define CFG_NS16550_COM1        (CFG_ISA_IO + CFG_NS87308_UART1_BASE)
 231 #define CFG_NS16550_COM2        (CFG_ISA_IO + CFG_NS87308_UART2_BASE)
 232
 233 /*
 234  * Low Level Configuration Settings
 235  * (address mappings, register initial values, etc.)
 236  * You should know what you are doing if you make changes here.
 237  */
 238
 239 #define CONFIG_SYS_CLK_FREQ  33000000   /* external frequency to pll */
 240 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER  2
 241
 242 #define CFG_ROMNAL              7       /*rom/flash next access time            */
 243 #define CFG_ROMFAL              11      /*rom/flash access time                 */
 244
 245 #define CFG_REFINT      430     /* no of clock cycles between CBR refresh cycles */
 246
 247 /* the following are for SDRAM only*/
 248 #define CFG_BSTOPRE     121     /* Burst To Precharge, sets open page interval */
 249 #define CFG_REFREC              8       /* Refresh to activate interval         */
 250 #define CFG_RDLAT               4       /* data latency from read command       */
 251 #define CFG_PRETOACT            3       /* Precharge to activate interval       */
 252 #define CFG_ACTTOPRE            5       /* Activate to Precharge interval       */
 253 #define CFG_ACTORW              3       /* Activate to R/W                      */
 254 #define CFG_SDMODE_CAS_LAT      3       /* SDMODE CAS latency                   */
 255 #define CFG_SDMODE_WRAP         0       /* SDMODE wrap type                     */
 256 #define CFG_SDMODE_BURSTLEN     2       /* SDMODE Burst length 2=4, 3=8         */
 257
 258 #define CFG_REGISTERD_TYPE_BUFFER   1
 259
 260 /* memory bank settings*/
 261 /*
 262  * only bits 20-29 are actually used from these vales to set the
 263  * start/end address the upper two bits will be 0, and the lower 20
 264  * bits will be set to 0x00000 for a start address, or 0xfffff for an
 265  * end address
 266  */
 267 #define CFG_BANK0_START         0x00000000
 268 #define CFG_BANK0_END           (CFG_MAX_RAM_SIZE - 1)
 269 #define CFG_BANK0_ENABLE        1
 270 #define CFG_BANK1_START         0x3ff00000
 271 #define CFG_BANK1_END           0x3fffffff
 272 #define CFG_BANK1_ENABLE        0
 273 #define CFG_BANK2_START         0x3ff00000
 274 #define CFG_BANK2_END           0x3fffffff
 275 #define CFG_BANK2_ENABLE        0
 276 #define CFG_BANK3_START         0x3ff00000
 277 #define CFG_BANK3_END           0x3fffffff
 278 #define CFG_BANK3_ENABLE        0
 279 #define CFG_BANK4_START         0x00000000
 280 #define CFG_BANK4_END           0x00000000
 281 #define CFG_BANK4_ENABLE        0
 282 #define CFG_BANK5_START         0x00000000
 283 #define CFG_BANK5_END           0x00000000
 284 #define CFG_BANK5_ENABLE        0
 285 #define CFG_BANK6_START         0x00000000
 286 #define CFG_BANK6_END           0x00000000
 287 #define CFG_BANK6_ENABLE        0
 288 #define CFG_BANK7_START         0x00000000
 289 #define CFG_BANK7_END           0x00000000
 290 #define CFG_BANK7_ENABLE        0
 291 /*
 292  * Memory bank enable bitmask, specifying which of the banks defined above
 293  are actually present. MSB is for bank #7, LSB is for bank #0.
 294  */
 295 #define CFG_BANK_ENABLE         0x01
 296
 297 #define CFG_ODCR                0xff    /* configures line driver impedances,   */
 298                                         /* see 8240 book for bit definitions    */
 299 #define CFG_PGMAX               0x32    /* how long the 8240 retains the        */
 300                                         /* currently accessed page in memory    */
 301                                         /* see 8240 book for details            */
 302
 303 /* SDRAM 0 - 256MB */
 304 #define CFG_IBAT0L      (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
 305 #define CFG_IBAT0U      (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
 306
 307 /* stack in DCACHE @ 1GB (no backing mem) */
 308 #if defined(USE_DINK32)
 309 #define CFG_IBAT1L      (0x40000000 | BATL_PP_00 )
 310 #define CFG_IBAT1U      (0x40000000 | BATU_BL_128K )
 311 #else
 312 #define CFG_IBAT1L      (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
 313 #define CFG_IBAT1U      (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
 314 #endif
 315
 316 /* PCI memory */
 317 #define CFG_IBAT2L      (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
 318 #define CFG_IBAT2U      (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
 319
 320 /* Flash, config addrs, etc */
 321 #define CFG_IBAT3L      (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
 322 #define CFG_IBAT3U      (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
 323
 324 #define CFG_DBAT0L      CFG_IBAT0L
 325 #define CFG_DBAT0U      CFG_IBAT0U
 326 #define CFG_DBAT1L      CFG_IBAT1L
 327 #define CFG_DBAT1U      CFG_IBAT1U
 328 #define CFG_DBAT2L      CFG_IBAT2L
 329 #define CFG_DBAT2U      CFG_IBAT2U
 330 #define CFG_DBAT3L      CFG_IBAT3L
 331 #define CFG_DBAT3U      CFG_IBAT3U
 332
 333 /*
 334  * For booting Linux, the board info and command line data
 335  * have to be in the first 8 MB of memory, since this is
 336  * the maximum mapped by the Linux kernel during initialization.
 337  */
 338 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 339 /*-----------------------------------------------------------------------
 340  * FLASH organization
 341  */
 342 #define CFG_MAX_FLASH_BANKS     2       /* max number of memory banks           */
 343 #define CFG_MAX_FLASH_SECT      20      /* max number of sectors on one chip    */
 344
 345 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 346 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 347
 348 /*-----------------------------------------------------------------------
 349  * Cache Configuration
 350  */
 351 #define CFG_CACHELINE_SIZE      32      /* For MPC8240 CPU                      */
 352 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 353 #  define CFG_CACHELINE_SHIFT   5       /* log base 2 of the above value */
 354 #endif
 355
 356
 357 /*
 358  * Internal Definitions
 359  *
 360  * Boot Flags
 361  */
 362 #define BOOTFLAG_COLD           0x01    /* Normal Power-On: Boot from FLASH     */
 363 #define BOOTFLAG_WARM           0x02    /* Software reboot                      */
 364
 365
 366 /* values according to the manual */
 367
 368 #define CONFIG_DRAM_50MHZ       1
 369 #define CONFIG_SDRAM_50MHZ
 370
 371 #undef  NR_8259_INTS
 372 #define NR_8259_INTS            1
 373
 374
 375 #define CONFIG_DISK_SPINUP_TIME 1000000
 376
 377
 378 #endif  /* __CONFIG_H */