include/configs/ESTEEM192E.h

   1 /*
   2  * (C) Copyright 2000
   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  * board/config.h - configuration options, board specific
  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_MPC850           1       /* This is a MPC850 CPU         */
  37 #define CONFIG_ESTEEM192E       1       /* ...on a EST ESTEEM192E       */
  38
  39 #define CONFIG_FLASH_16BIT      1       /* Rom 16 bit data bus          */
  40
  41 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  42 #undef  CONFIG_8xx_CONS_SMC2
  43 #undef  CONFIG_8xx_CONS_NONE
  44
  45 #define MPC8XX_FACT     10              /* Multiply by 10               */
  46 #define MPC8XX_XIN      4915200 /* 4.915200 MHz in      - ??? - XXX     */
  47 #define CFG_PLPRCR_MF   ((MPC8XX_FACT-1) << 20)
  48 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz       */
  49
  50 #define CONFIG_8xx_GCLK_FREQ    MPC8XX_HZ       /* Force it - dont measure it */
  51
  52 #define CONFIG_CLOCKS_IN_MHZ    1       /* clocks passsed to Linux in MHz */
  53
  54 #define CONFIG_BAUDRATE         9600
  55 #if 0
  56 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
  57 #else
  58 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  59 #endif
  60 #define CONFIG_BOOTCOMMAND      "bootm 40030000" /* autoboot command    */
  61
  62 #define CONFIG_BOOTARGS         "root=/dev/ram rw ramdisk=8192 "                        \
  63                                 "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 "
  64 /*
  65  * Miscellaneous configurable options
  66  */
  67
  68 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  69 #undef  CFG_LOADS_BAUD_CHANGE           /* don't allow baudrate change  */
  70
  71 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  72
  73 /*
  74  * BOOTP options
  75  */
  76 #define CONFIG_BOOTP_SUBNETMASK
  77 #define CONFIG_BOOTP_GATEWAY
  78 #define CONFIG_BOOTP_HOSTNAME
  79 #define CONFIG_BOOTP_BOOTPATH
  80 #define CONFIG_BOOTP_BOOTFILESIZE
  81
  82
  83 /*
  84  * Command line configuration.
  85  */
  86 #include <config_cmd_default.h>
  87
  88
  89 #define CFG_LONGHELP                    /* undef to save memory         */
  90 #define CFG_PROMPT      "BOOT: "        /* Monitor Command Prompt       */
  91 #define CFG_CBSIZE      256                     /* Console I/O Buffer Size      */
  92 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  93 #define CFG_MAXARGS     8                       /* max number of command args   */
  94 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
  95
  96 #define CFG_MEMTEST_START       0x0400000       /* memtest works on     */
  97 #define CFG_MEMTEST_END         0x0C00000       /* 4 ... 12 MB in DRAM  */
  98
  99 #define CFG_LOAD_ADDR           0x100000        /* default load address */
 100
 101 #define CFG_HZ                  1000            /* decrementer freq: 1 ms ticks */
 102
 103
 104 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 105
 106
 107 /*
 108  * Low Level Configuration Settings
 109  * (address mappings, register initial values, etc.)
 110  * You should know what you are doing if you make changes here.
 111  */
 112 /*-----------------------------------------------------------------------
 113  * Internal Memory Mapped Register
 114  */
 115 #define CFG_IMMR                0xFF000000
 116
 117   /*-----------------------------------------------------------------------
 118  * Definitions for initial stack pointer and data area (in DPRAM)
 119  */
 120 #define CFG_INIT_RAM_ADDR       CFG_IMMR
 121 #define CFG_INIT_RAM_END        0x2F00  /* End of used area in DPRAM    */
 122 #define CFG_GBL_DATA_SIZE       64  /* size in bytes reserved for initial data */
 123 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 124 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 125
 126
 127 /*-----------------------------------------------------------------------
 128  * Start addresses for the final memory configuration
 129  * (Set up by the startup code)
 130  * Please note that CFG_SDRAM_BASE _must_ start at 0
 131  */
 132 #define CFG_SDRAM_BASE          0x00000000
 133 #define CFG_FLASH_BASE          0x40000000
 134 #ifdef  DEBUG
 135 #define CFG_MONITOR_LEN         (256 << 10)     /* Reserve 256 kB for Monitor   */
 136 #else
 137 #define CFG_MONITOR_LEN         (128 << 10)     /* Reserve 128 kB for Monitor   */
 138 #endif
 139 #define CFG_MONITOR_BASE        CFG_FLASH_BASE
 140 #define CFG_MALLOC_LEN          (128 << 10)     /* Reserve 128 kB for malloc()  */
 141
 142 /*
 143  * For booting Linux, the board info and command line data
 144  * have to be in the first 8 MB of memory, since this is
 145  * the maximum mapped by the Linux kernel during initialization.
 146  */
 147 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 148 /*-----------------------------------------------------------------------
 149  * FLASH organization
 150  */
 151 #define CFG_MAX_FLASH_BANKS     2       /* max number of memory banks           */
 152 #define CFG_MAX_FLASH_SECT      71      /* max number of sectors on one chip    */
 153
 154 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 155 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 156
 157 #define CONFIG_ENV_IS_IN_FLASH  1
 158 #define CONFIG_ENV_OFFSET               0x8000  /*   Offset   of Environment Sector     */
 159 #define CONFIG_ENV_SIZE         0x2000  /* Total Size of Environment Sector     */
 160 /*-----------------------------------------------------------------------
 161  * Cache Configuration
 162  */
 163 #define CFG_CACHELINE_SIZE      16      /* For all MPC8xx CPUs                  */
 164
 165 /*-----------------------------------------------------------------------
 166  * SYPCR - System Protection Control                            11-9
 167  * SYPCR can only be written once after reset!
 168  *-----------------------------------------------------------------------
 169  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 170  */
 171 #define CFG_SYPCR       (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 172
 173 /*-----------------------------------------------------------------------
 174  * SUMCR - SIU Module Configuration                             11-6
 175  *-----------------------------------------------------------------------
 176  * PCMCIA config., multi-function pin tri-state
 177  */
 178 #define CFG_SIUMCR      (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */
 179
 180 /*-----------------------------------------------------------------------
 181  * TBSCR - Time Base Status and Control                         11-26
 182  *-----------------------------------------------------------------------
 183  * Clear Reference Interrupt Status, Timebase freezing enabled
 184  */
 185 #define CFG_TBSCR       (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
 186
 187 /* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */
 188
 189
 190 /*-----------------------------------------------------------------------
 191  * PISCR - Periodic Interrupt Status and Control                11-31
 192  *-----------------------------------------------------------------------
 193  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 194  */
 195 #define CFG_PISCR       (PISCR_PS | PISCR_PITF)
 196
 197 /*-----------------------------------------------------------------------
 198  * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 199  *-----------------------------------------------------------------------
 200  * Reset PLL lock status sticky bit, timer expired status bit and timer
 201  * interrupt status bit - leave PLL multiplication factor unchanged !
 202  */
 203 #define CFG_PLPRCR      (CFG_PLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 204
 205 /*-----------------------------------------------------------------------
 206  * SCCR - System Clock and reset Control Register               15-27
 207  *-----------------------------------------------------------------------
 208  * Set clock output, timebase and RTC source and divider,
 209  * power management and some other internal clocks
 210  */
 211 #define SCCR_MASK       SCCR_EBDF11
 212 #define CFG_SCCR        (SCCR_TBS     | \
 213                          SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 214                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 215                          SCCR_DFALCD00)
 216
 217 /*-----------------------------------------------------------------------
 218  * PCMCIA stuff
 219  *-----------------------------------------------------------------------
 220  *
 221  */
 222 #define CFG_PCMCIA_MEM_ADDR     (0xE0000000)
 223 #define CFG_PCMCIA_MEM_SIZE     ( 64 << 20 )
 224 #define CFG_PCMCIA_DMA_ADDR     (0xE4000000)
 225 #define CFG_PCMCIA_DMA_SIZE     ( 64 << 20 )
 226 #define CFG_PCMCIA_ATTRB_ADDR   (0xE8000000)
 227 #define CFG_PCMCIA_ATTRB_SIZE   ( 64 << 20 )
 228 #define CFG_PCMCIA_IO_ADDR      (0xEC000000)
 229 #define CFG_PCMCIA_IO_SIZE      ( 64 << 20 )
 230
 231 #define CFG_PCMCIA_INTERRUPT    SIU_LEVEL6
 232
 233 /*-----------------------------------------------------------------------
 234  *
 235  *-----------------------------------------------------------------------
 236  *
 237  */
 238 /*#define       CFG_DER 0x2002000F*/
 239 #define CFG_DER 0
 240 /*#define CFG_DER       0x02002000 */
 241
 242
 243 /*
 244  * Init Memory Controller:
 245  *
 246  * BR0/1 and OR0/1 (FLASH)
 247  */
 248
 249 #define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 250 #define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 251
 252 /* used to re-map FLASH both when starting from SRAM or FLASH:
 253  * restrict access enough to keep SRAM working (if any)
 254  * but not too much to meddle with FLASH accesses
 255  */
 256 #define CFG_REMAP_OR_AM         0x80000000      /* OR addr mask */
 257 #define CFG_PRELIM_OR_AM        0xE0000000      /* OR addr mask */
 258
 259 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1        */
 260 #define CFG_OR_TIMING_FLASH     0x00000160
 261                                 /*(OR_CSNT_SAM  | OR_ACS_DIV2 | OR_BI | \
 262                                  OR_SCY_5_CLK | OR_EHTR) */
 263
 264 #define CFG_OR0_REMAP   0x80000160     /*(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)*/
 265 #define CFG_OR0_PRELIM  (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
 266 #define CFG_BR0_PRELIM  ( FLASH_BASE0_PRELIM | 0x00000801 )
 267
 268 #define CFG_OR1_REMAP   CFG_OR0_REMAP
 269 #define CFG_OR1_PRELIM  CFG_OR0_PRELIM
 270 #define CFG_BR1_PRELIM  ( FLASH_BASE1_PRELIM | 0x00000801 )
 271
 272 /*
 273  * BR2/3 and OR2/3 (SDRAM)
 274  *
 275  */
 276 #define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 277 #define SDRAM_BASE3_PRELIM      0x04000000      /* SDRAM bank #1        */
 278 #define SDRAM_MAX_SIZE          0x02000000      /* max 32 MB per bank   */
 279
 280 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 281 #define CFG_OR_TIMING_SDRAM     0x00000A00
 282
 283 #define CFG_OR2_PRELIM  0xFC000E00
 284 #define CFG_BR2_PRELIM  (SDRAM_BASE2_PRELIM | 0x00000081)
 285
 286 #define CFG_OR3_PRELIM  CFG_OR2_PRELIM
 287 #define CFG_BR3_PRELIM  (SDRAM_BASE3_PRELIM | 0x00000081)
 288
 289
 290 /*
 291  * Memory Periodic Timer Prescaler
 292  */
 293
 294 /* periodic timer for refresh */
 295 #define CFG_MAMR_PTA    97              /* start with divider for 100 MHz       */
 296
 297 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit     */
 298 #define CFG_MPTPR_2BK_4K        MPTPR_PTP_DIV16         /* setting for 2 banks  */
 299 #define CFG_MPTPR_1BK_4K        MPTPR_PTP_DIV32         /* setting for 1 bank   */
 300
 301 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit         */
 302 #define CFG_MPTPR_2BK_8K        MPTPR_PTP_DIV8          /* setting for 2 banks  */
 303 #define CFG_MPTPR_1BK_8K        MPTPR_PTP_DIV16         /* setting for 1 bank   */
 304
 305 /*
 306  * MAMR settings for SDRAM
 307  */
 308
 309 /* 8 column SDRAM */
 310 #define CFG_MAMR_8COL   0x18803112
 311 #define CFG_MAMR_9COL   0x18803112      /* same as 8 column because its just easier to port with*/
 312
 313
 314 /*
 315  * Internal Definitions
 316  *
 317  * Boot Flags
 318  */
 319
 320 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 321 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 322
 323 /*
 324  * Internal Definitions
 325  *
 326  * Boot Flags
 327  */
 328 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 329 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 330
 331 #endif  /* __CONFIG_H */