include/configs/cogent_mpc8xx.h

   1 /*
   2  * (C) Copyright 2000
   3  * Murray Jensen <Murray.Jensen@cmst.csiro.au>
   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  * Config header file for Cogent platform using an MPC8xx CPU module
  26  */
  27
  28 #ifndef __CONFIG_H
  29 #define __CONFIG_H
  30
  31 /*
  32  * High Level Configuration Options
  33  * (easy to change)
  34  */
  35
  36 #define CONFIG_MPC860           1       /* This is an MPC860 CPU        */
  37 #define CONFIG_COGENT           1       /* using Cogent Modular Architecture */
  38
  39 #define CONFIG_MISC_INIT_F      1       /* Use misc_init_f()            */
  40 #define CONFIG_MISC_INIT_R              /* Use misc_init_r()            */
  41
  42 /* Cogent Modular Architecture options */
  43 #define CONFIG_CMA286_60_OLD    1       /* ...on an old CMA286-60 CPU module */
  44 #define CONFIG_CMA102           1       /* ...on a CMA102 motherboard   */
  45 #define CONFIG_CMA302           1       /* ...with a CMA302 flash I/O module */
  46
  47 /* serial console configuration */
  48 #undef  CONFIG_8xx_CONS_SMC1
  49 #undef  CONFIG_8xx_CONS_SMC2
  50 #define CONFIG_8xx_CONS_NONE    /* not on 8xx serial ports (eg on cogent m/b) */
  51
  52 #if defined(CONFIG_CMA286_60_OLD)
  53 #define CONFIG_8xx_GCLK_FREQ    33333000 /* define if cant use get_gclk_freq */
  54 #endif
  55
  56 #define CONFIG_BAUDRATE         230400
  57
  58 #define CONFIG_HARD_I2C         /* I2C with hardware support */
  59 #define CONFIG_SYS_I2C_SPEED            400000  /* I2C speed and slave address */
  60 #define CONFIG_SYS_I2C_SLAVE            0x7F
  61
  62
  63 /*
  64  * BOOTP options
  65  */
  66 #define CONFIG_BOOTP_BOOTFILESIZE
  67 #define CONFIG_BOOTP_BOOTPATH
  68 #define CONFIG_BOOTP_GATEWAY
  69 #define CONFIG_BOOTP_HOSTNAME
  70
  71
  72 /*
  73  * Command line configuration.
  74  */
  75 #include <config_cmd_default.h>
  76
  77 #define CONFIG_CMD_KGDB
  78 #define CONFIG_CMD_I2C
  79
  80 #undef CONFIG_CMD_NET
  81
  82
  83 #if 0
  84 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
  85 #else
  86 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  87 #endif
  88 #define CONFIG_BOOTCOMMAND      "bootm 04080000 04200000" /* autoboot command*/
  89
  90 #define CONFIG_BOOTARGS         "root=/dev/ram rw"
  91
  92 #if defined(CONFIG_CMD_KGDB)
  93 #undef  CONFIG_KGDB_ON_SMC              /* define if kgdb on SMC */
  94 #undef  CONFIG_KGDB_ON_SCC              /* define if kgdb on SCC */
  95 #define CONFIG_KGDB_NONE                /* define if kgdb on something else */
  96 #define CONFIG_KGDB_INDEX       2       /* which SMC/SCC channel for kgdb */
  97 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
  98 #endif
  99
 100 #define CONFIG_WATCHDOG                 /* turn on platform specific watchdog */
 101
 102 /*
 103  * Miscellaneous configurable options
 104  */
 105 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 106 #define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */
 107 #if defined(CONFIG_CMD_KGDB)
 108 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 109 #else
 110 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 111 #endif
 112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 113 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 114 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 115
 116 #define CONFIG_SYS_MEMTEST_START        0x00400000      /* memtest works on     */
 117 #define CONFIG_SYS_MEMTEST_END          0x01c00000      /* 4 ... 28 MB in DRAM  */
 118
 119 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 120
 121 #define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 122
 123 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200, 230400 }
 124
 125 #define CONFIG_SYS_ALLOC_DPRAM
 126
 127 /*
 128  * Low Level Configuration Settings
 129  * (address mappings, register initial values, etc.)
 130  * You should know what you are doing if you make changes here.
 131  */
 132
 133 /*-----------------------------------------------------------------------
 134  * Low Level Cogent settings
 135  * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8xx CPM serial is not.
 136  * also, make sure CONFIG_CONS_INDEX is still defined - the index will be
 137  * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B
 138  * (second 2 for CMA120 only)
 139  */
 140 #define CONFIG_SYS_CMA_MB_BASE          0x00000000      /* base of m/b address space */
 141
 142 #include <configs/cogent_common.h>
 143
 144 #define CONFIG_SYS_CMA_CONS_SERIAL      /* use Cogent motherboard serial for console */
 145 #define CONFIG_CONS_INDEX       1
 146 #define CONFIG_SYS_CMA_LCD_HEARTBEAT    /* define for sec rotator in lcd corner */
 147 #define CONFIG_SHOW_ACTIVITY
 148 #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
 149 /*
 150  * flash exists on the motherboard
 151  * set these four according to TOP dipsw:
 152  * TOP on  => ..._FLLOW_...     (boot EPROM space is high so FLASH is low )
 153  * TOP off => ..._FLHIGH_...    (boot EPROM space is low  so FLASH is high)
 154  */
 155 #define CMA_MB_FLASH_EXEC_BASE  CMA_MB_FLLOW_EXEC_BASE
 156 #define CMA_MB_FLASH_EXEC_SIZE  CMA_MB_FLLOW_EXEC_SIZE
 157 #define CMA_MB_FLASH_RDWR_BASE  CMA_MB_FLLOW_RDWR_BASE
 158 #define CMA_MB_FLASH_RDWR_SIZE  CMA_MB_FLLOW_RDWR_SIZE
 159 #endif
 160 #define CMA_MB_FLASH_BASE       CMA_MB_FLASH_EXEC_BASE
 161 #define CMA_MB_FLASH_SIZE       CMA_MB_FLASH_EXEC_SIZE
 162
 163 /*-----------------------------------------------------------------------
 164  * Internal Memory Mapped Register
 165  */
 166 #define CONFIG_SYS_IMMR         0xFF000000
 167
 168 /*-----------------------------------------------------------------------
 169  * Definitions for initial stack pointer and data area (in DPRAM)
 170  */
 171 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 172 #define CONFIG_SYS_INIT_RAM_END 0x2F00  /* End of used area in DPRAM    */
 173 #define CONFIG_SYS_GBL_DATA_SIZE        64  /* size in bytes reserved for initial data */
 174 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 175 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 176
 177 /*-----------------------------------------------------------------------
 178  * Start addresses for the final memory configuration
 179  * (Set up by the startup code)
 180  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 181  */
 182 #define CONFIG_SYS_SDRAM_BASE           CMA_MB_RAM_BASE
 183 #ifdef CONFIG_CMA302
 184 #define CONFIG_SYS_FLASH_BASE           CMA_MB_SLOT2_BASE       /* cma302 in slot 2 */
 185 #else
 186 #define CONFIG_SYS_FLASH_BASE           CMA_MB_FLASH_BASE       /* flash on m/b */
 187 #endif
 188 #define CONFIG_SYS_MONITOR_BASE TEXT_BASE
 189 #define CONFIG_SYS_MONITOR_LEN          (128 << 10)     /* Reserve 128 kB for Monitor   */
 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  * FLASH organization
 200  */
 201 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of memory banks           */
 202 #define CONFIG_SYS_MAX_FLASH_SECT       67      /* max number of sectors on one chip    */
 203
 204 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
 205 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */
 206
 207 #define CONFIG_ENV_IS_IN_FLASH  1
 208 #define CONFIG_ENV_ADDR         CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */
 209 #ifdef CONFIG_CMA302
 210 #define CONFIG_ENV_SIZE         0x1000  /* Total Size of Environment Sector     */
 211 #define CONFIG_ENV_SECT_SIZE    (512*1024) /* see README - env sect real size */
 212 #else
 213 #define CONFIG_ENV_SIZE         0x4000  /* Total Size of Environment Sector     */
 214 #endif
 215 /*-----------------------------------------------------------------------
 216  * Cache Configuration
 217  */
 218 #define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 219 #if defined(CONFIG_CMD_KGDB)
 220 #define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 221 #endif
 222
 223
 224 /*-----------------------------------------------------------------------
 225  * SYPCR - System Protection Control                            11-9
 226  * SYPCR can only be written once after reset!
 227  *-----------------------------------------------------------------------
 228  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 229  */
 230 #if defined(CONFIG_WATCHDOG)
 231 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 232                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 233 #else
 234 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 235 #endif  /* CONFIG_WATCHDOG */
 236
 237 /*-----------------------------------------------------------------------
 238  * SIUMCR - SIU Module Configuration                            11-6
 239  *-----------------------------------------------------------------------
 240  * PCMCIA config., multi-function pin tri-state
 241  */
 242 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 243
 244 /*-----------------------------------------------------------------------
 245  * TBSCR - Time Base Status and Control                         11-26
 246  *-----------------------------------------------------------------------
 247  * Clear Reference Interrupt Status, Timebase freezing enabled
 248  */
 249 #define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 250
 251 /*-----------------------------------------------------------------------
 252  * PISCR - Periodic Interrupt Status and Control                11-31
 253  *-----------------------------------------------------------------------
 254  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 255  */
 256 #define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 257
 258 /*-----------------------------------------------------------------------
 259  * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 260  *-----------------------------------------------------------------------
 261  * Reset PLL lock status sticky bit, timer expired status bit and timer
 262  * interrupt status bit - leave PLL multiplication factor unchanged !
 263  */
 264 #define CONFIG_SYS_PLPRCR       (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 265
 266 /*-----------------------------------------------------------------------
 267  * SCCR - System Clock and reset Control Register               15-27
 268  *-----------------------------------------------------------------------
 269  * Set clock output, timebase and RTC source and divider,
 270  * power management and some other internal clocks
 271  */
 272 #define SCCR_MASK       SCCR_EBDF11
 273 #define CONFIG_SYS_SCCR (SCCR_TBS     | SCCR_RTDIV    | SCCR_RTSEL    | \
 274                          SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 275                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 276                          SCCR_DFALCD00)
 277
 278 /*-----------------------------------------------------------------------
 279  * PCMCIA stuff
 280  *-----------------------------------------------------------------------
 281  *
 282  */
 283 #define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 284 #define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 285 #define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 286 #define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 287 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 288 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 289 #define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 290 #define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 291
 292 /*-----------------------------------------------------------------------
 293  *
 294  *-----------------------------------------------------------------------
 295  *
 296  */
 297 /*#define       CONFIG_SYS_DER  0x2002000F*/
 298 #define CONFIG_SYS_DER  0
 299
 300 #if defined(CONFIG_CMA286_60_OLD)
 301
 302 /*
 303  * Init Memory Controller:
 304  *
 305  * NOTE: although the names (CONFIG_SYS_xRn_PRELIM) suggest preliminary settings,
 306  * they are actually the final settings for this cpu/board, because the
 307  * flash and RAM are on the motherboard, accessed via the CMAbus, and the
 308  * mappings are pretty much fixed.
 309  *
 310  * (the *_SIZE vars must be a power of 2)
 311  */
 312
 313 #define CONFIG_SYS_CMA_CS0_BASE TEXT_BASE               /* EPROM */
 314 #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20)
 315 #define CONFIG_SYS_CMA_CS1_BASE CMA_MB_RAM_BASE         /* RAM + I/O SLOT 1 */
 316 #define CONFIG_SYS_CMA_CS1_SIZE (64 << 20)
 317 #define CONFIG_SYS_CMA_CS2_BASE CMA_MB_SLOT2_BASE       /* I/O SLOTS 2 + 3 */
 318 #define CONFIG_SYS_CMA_CS2_SIZE (64 << 20)
 319 #define CONFIG_SYS_CMA_CS3_BASE CMA_MB_ROMLOW_BASE      /* M/B I/O */
 320 #define CONFIG_SYS_CMA_CS3_SIZE (32 << 20)
 321
 322 /*
 323  * CS0 maps the EPROM on the cpu module
 324  * Set it for 4 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M
 325  *
 326  * Note: We must have already transferred control to the final location
 327  * of the EPROM before these are used, because when BR0/OR0 are set, the
 328  * mirror of the eprom at any other addresses will disappear.
 329  */
 330
 331 /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm */
 332 #define CONFIG_SYS_BR0_PRELIM   ((CONFIG_SYS_CMA_CS0_BASE&BR_BA_MSK)|BR_PS_16|BR_WP|BR_V)
 333 /* mask size CONFIG_SYS_CMA_CS0_SIZE, CS time normal, burst inhibit, 4-wait states */
 334 #define CONFIG_SYS_OR0_PRELIM   ((~(CONFIG_SYS_CMA_CS0_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SCY_4_CLK)
 335
 336 /*
 337  * CS1 maps motherboard DRAM and motherboard I/O slot 1
 338  * (each 32Mbyte in size)
 339  */
 340
 341 /* base address = CONFIG_SYS_CMA_CS1_BASE, 32-bit, no parity, r/w, gpcm */
 342 #define CONFIG_SYS_BR1_PRELIM   ((CONFIG_SYS_CMA_CS1_BASE&BR_BA_MSK)|BR_V)
 343 /* mask size CONFIG_SYS_CMA_CS1_SIZE, CS time normal, burst ok, ext xfer ack */
 344 #define CONFIG_SYS_OR1_PRELIM   ((~(CONFIG_SYS_CMA_CS1_SIZE-1)&OR_AM_MSK)|OR_SETA)
 345
 346 /*
 347  * CS2 maps motherboard I/O slots 2 and 3
 348  * (each 32Mbyte in size)
 349  */
 350
 351 /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, r/w, gpcm */
 352 #define CONFIG_SYS_BR2_PRELIM   ((CONFIG_SYS_CMA_CS2_BASE&BR_BA_MSK)|BR_V)
 353 /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, burst ok, ext xfer ack */
 354 #define CONFIG_SYS_OR2_PRELIM   ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&OR_AM_MSK)|OR_SETA)
 355
 356 /*
 357  * CS3 maps motherboard I/O
 358  * (32Mbyte in size)
 359  */
 360
 361 /* base address = CONFIG_SYS_CMA_CS3_BASE, 32-bit, no parity, r/w, gpcm */
 362 #define CONFIG_SYS_BR3_PRELIM   ((CONFIG_SYS_CMA_CS3_BASE&BR_BA_MSK)|BR_V)
 363 /* mask size CONFIG_SYS_CMA_CS3_SIZE, CS time normal, burst inhibit, ext xfer ack */
 364 #define CONFIG_SYS_OR3_PRELIM   ((~(CONFIG_SYS_CMA_CS3_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SETA)
 365
 366 #endif
 367
 368 /*
 369  * Internal Definitions
 370  *
 371  * Boot Flags
 372  */
 373 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 374 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 375
 376 #endif  /* __CONFIG_H */