include/configs/EXBITGEN.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_405GP            1       /* This is a PPC405GP CPU       */
  37 #define CONFIG_4xx              1       /* ...member of PPC4xx family   */
  38 #define CONFIG_EXBITGEN         1       /* on a Exbit Generic board     */
  39
  40 #define CONFIG_BOARD_PRE_INIT   1       /* Call board_pre_init          */
  41
  42 #define CONFIG_SYS_CLK_FREQ     25000000 /* external frequency to pll   */
  43
  44 /* I2C configuration */
  45 #define CONFIG_HARD_I2C         1       /* I2C with hardware support    */
  46 #define CFG_I2C_SPEED           40000   /* I2C speed                    */
  47 #define CFG_I2C_SLAVE           0x7F    /* I2C slave address            */
  48
  49 /* environment is in EEPROM */
  50 #define CFG_ENV_IS_IN_EEPROM    1
  51 #undef CFG_ENV_IS_IN_FLASH
  52 #undef CFG_ENV_IS_IN_NVRAM
  53
  54 #ifdef CFG_ENV_IS_IN_EEPROM
  55 #define CFG_I2C_EEPROM_ADDR             0x56    /* 1010110 */
  56 #define CFG_I2C_EEPROM_ADDR_LEN         1       /* 8-bit internal addressing */
  57 #define CFG_I2C_EEPROM_ADDR_OVERFLOW    1       /* ... and 1 bit in I2C address */
  58 #define CFG_EEPROM_PAGE_WRITE_BITS      3       /* 4 bytes per page */
  59 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  40      /* write takes up to 40 msec */
  60 #define CFG_ENV_OFFSET          4       /* Offset of Environment Sector */
  61 #define CFG_ENV_SIZE            350     /* that is 350 bytes only!      */
  62 #endif
  63
  64 #define CONFIG_BOOTDELAY        10      /* autoboot after 10 seconds    */
  65 /* Explanation:
  66    autbooting is altogether disabled and cannot be
  67    enabled if CONFIG_BOOTDELAY is negative.
  68    If you want shorter bootdelay, then
  69    - "setenv bootdelay <delay>" to the proper value
  70 */
  71
  72 #define CONFIG_BOOTCOMMAND      "bootm 20400000 20800000"
  73
  74 #define CONFIG_BOOTARGS         "root=/dev/ram "  \
  75                                 "ramdisk_size=32768 " \
  76                                 "console=ttyS0,115200 " \
  77                                 "ram=128M debug"
  78
  79 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  80 #define CFG_LOADS_BAUD_CHANGE   1       /* allow baudrate change        */
  81
  82 #define CONFIG_MII              1       /* MII PHY management           */
  83 #define CONFIG_PHY_ADDR         0       /* PHY address                  */
  84
  85 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL)
  86
  87 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  88 #include <cmd_confdefs.h>
  89
  90 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
  91
  92 /*
  93  * Miscellaneous configurable options
  94  */
  95 #define CFG_LONGHELP                    /* undef to save memory         */
  96 #define CFG_PROMPT      "=> "           /* Monitor Command Prompt       */
  97 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  98 #define CFG_CBSIZE      1024            /* Console I/O Buffer Size      */
  99 #else
 100 #define CFG_CBSIZE      256             /* Console I/O Buffer Size      */
 101 #endif
 102 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 103 #define CFG_MAXARGS     16              /* max number of command args   */
 104 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
 105
 106 #define CFG_MEMTEST_START       0x0400000       /* memtest works on     */
 107 #define CFG_MEMTEST_END         0x0C00000       /* 4 ... 12 MB in DRAM  */
 108
 109 /* UART configuration */
 110 #define CFG_BASE_BAUD           691200
 111
 112 /* Default baud rate */
 113 #define CONFIG_BAUDRATE         115200
 114
 115 /* The following table includes the supported baudrates */
 116 #define CFG_BAUDRATE_TABLE      \
 117         { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,     \
 118          57600, 115200, 230400, 460800, 921600 }
 119
 120 #define CFG_CLKS_IN_HZ          1       /* everything, incl board info, in Hz */
 121
 122 #define CFG_LOAD_ADDR           0x100000        /* default load address */
 123 #define CFG_EXTBDINFO           1       /* To use extended board_into (bd_t) */
 124
 125 #define CFG_HZ                  1000    /* decrementer freq: 1 ms ticks */
 126
 127 /*-----------------------------------------------------------------------
 128  * PCI stuff
 129  *-----------------------------------------------------------------------
 130  */
 131 #undef CONFIG_PCI                       /* no pci support               */
 132
 133 /*-----------------------------------------------------------------------
 134  * External peripheral base address
 135  *-----------------------------------------------------------------------
 136  */
 137 #undef  CONFIG_IDE_PCMCIA               /* no pcmcia interface required */
 138 #undef  CONFIG_IDE_LED                  /* no led for ide supported     */
 139 #undef  CONFIG_IDE_RESET                /* no reset for ide supported   */
 140
 141 #define CFG_KEY_REG_BASE_ADDR   0xF0100000
 142 #define CFG_IR_REG_BASE_ADDR    0xF0200000
 143 #define CFG_FPGA_REG_BASE_ADDR  0xF0300000
 144
 145 /*-----------------------------------------------------------------------
 146  * Start addresses for the final memory configuration
 147  * (Set up by the startup code)
 148  * Please note that CFG_SDRAM_BASE _must_ start at 0
 149  */
 150 #define CFG_SDRAM_BASE          0x00000000
 151 #define CFG_FLASH0_BASE         0xFFF80000
 152 #define CFG_FLASH0_SIZE         0x00080000
 153 #define CFG_FLASH1_BASE         0x20000000
 154 #define CFG_FLASH1_SIZE         0x02000000
 155 #define CFG_FLASH_BASE          CFG_FLASH0_BASE
 156 #define CFG_FLASH_SIZE          CFG_FLASH0_SIZE
 157 #define CFG_MONITOR_BASE        TEXT_BASE
 158 #define CFG_MONITOR_LEN         (192 * 1024)    /* Reserve 196 kB for Monitor   */
 159 #define CFG_MALLOC_LEN          (128 * 1024)    /* Reserve 128 kB for malloc()  */
 160
 161 #if CFG_MONITOR_BASE < CFG_FLASH0_BASE
 162 #define CFG_RAMSTART
 163 #endif
 164
 165 /*
 166  * For booting Linux, the board info and command line data
 167  * have to be in the first 8 MB of memory, since this is
 168  * the maximum mapped by the Linux kernel during initialization.
 169  */
 170 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 171 /*-----------------------------------------------------------------------
 172  * FLASH organization
 173  */
 174 #define CFG_MAX_FLASH_BANKS     5       /* max number of memory banks           */
 175 #define CFG_MAX_FLASH_SECT      128     /* max number of sectors on one chip    */
 176
 177 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 178 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 179
 180 #ifdef CFG_ENV_IS_IN_FLASH
 181 #define CFG_ENV_OFFSET          0x00060000 /* Offset of Environment Sector      */
 182 #define CFG_ENV_SIZE            0x00010000 /* Total Size of Environment Sector  */
 183 #define CFG_ENV_SECT_SIZE       0x00010000 /* see README - env sector total size */
 184 #endif
 185
 186 /* On Chip Memory location/size */
 187 #define CFG_OCM_DATA_ADDR       0xF8000000
 188 #define CFG_OCM_DATA_SIZE       0x1000
 189
 190 /* Global info and initial stack */
 191 #define CFG_INIT_RAM_ADDR       CFG_OCM_DATA_ADDR /* inside of on-chip SRAM     */
 192 #define CFG_INIT_RAM_END        CFG_OCM_DATA_SIZE /* End of used area in RAM    */
 193 #define CFG_GBL_DATA_SIZE       128 /* size in bytes reserved for initial data */
 194 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 195 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 196
 197 /* Cache configuration */
 198 #define CFG_DCACHE_SIZE         8192
 199 #define CFG_CACHELINE_SIZE      32
 200
 201 /*
 202  * Internal Definitions
 203  *
 204  * Boot Flags
 205  */
 206 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 207 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 208
 209 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 210 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 211 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 212 #endif
 213 #endif  /* __CONFIG_H */