include/configs/EXBITGEN.h

   1 /*
   2  * (C) Copyright 2000-2004
   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_EARLY_INIT_F 1     /* Call board_early_init_f      */
  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 CONFIG_SYS_I2C_SPEED            40000   /* I2C speed                    */
  47 #define CONFIG_SYS_I2C_SLAVE            0x7F    /* I2C slave address            */
  48
  49 /* environment is in EEPROM */
  50 #define CONFIG_ENV_IS_IN_EEPROM    1
  51 #undef CONFIG_ENV_IS_IN_FLASH
  52 #undef CONFIG_ENV_IS_IN_NVRAM
  53
  54 #ifdef CONFIG_ENV_IS_IN_EEPROM
  55 #define CONFIG_SYS_I2C_EEPROM_ADDR              0x56    /* 1010110 */
  56 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN          1       /* 8-bit internal addressing */
  57 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW     1       /* ... and 1 bit in I2C address */
  58 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       3       /* 4 bytes per page */
  59 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   40      /* write takes up to 40 msec */
  60 #define CONFIG_ENV_OFFSET               4       /* Offset of Environment Sector */
  61 #define CONFIG_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 CONFIG_SYS_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
  86 /*
  87  * BOOTP options
  88  */
  89 #define CONFIG_BOOTP_BOOTFILESIZE
  90 #define CONFIG_BOOTP_BOOTPATH
  91 #define CONFIG_BOOTP_GATEWAY
  92 #define CONFIG_BOOTP_HOSTNAME
  93
  94
  95 /*
  96  * Command line configuration.
  97  */
  98 #include <config_cmd_default.h>
  99
 100
 101 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
 102
 103 /*
 104  * Miscellaneous configurable options
 105  */
 106 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 107 #define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */
 108 #if defined(CONFIG_CMD_KGDB)
 109 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 110 #else
 111 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 112 #endif
 113 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 114 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 115 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 116
 117 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 118 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
 119
 120 /* UART configuration */
 121 #define CONFIG_SYS_BASE_BAUD            691200
 122
 123 /* Default baud rate */
 124 #define CONFIG_BAUDRATE         115200
 125
 126 /* The following table includes the supported baudrates */
 127 #define CONFIG_SYS_BAUDRATE_TABLE      \
 128         { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,     \
 129          57600, 115200, 230400, 460800, 921600 }
 130
 131 #define CONFIG_SYS_CLKS_IN_HZ           1       /* everything, incl board info, in Hz */
 132
 133 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 134 #define CONFIG_SYS_EXTBDINFO            1       /* To use extended board_into (bd_t) */
 135
 136 #define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 137
 138 /*-----------------------------------------------------------------------
 139  * PCI stuff
 140  *-----------------------------------------------------------------------
 141  */
 142 #undef CONFIG_PCI                       /* no pci support               */
 143
 144 /*-----------------------------------------------------------------------
 145  * External peripheral base address
 146  *-----------------------------------------------------------------------
 147  */
 148 #undef  CONFIG_IDE_PCMCIA               /* no pcmcia interface required */
 149 #undef  CONFIG_IDE_LED                  /* no led for ide supported     */
 150 #undef  CONFIG_IDE_RESET                /* no reset for ide supported   */
 151
 152 #define CONFIG_SYS_KEY_REG_BASE_ADDR    0xF0100000
 153 #define CONFIG_SYS_IR_REG_BASE_ADDR     0xF0200000
 154 #define CONFIG_SYS_FPGA_REG_BASE_ADDR   0xF0300000
 155
 156 /*-----------------------------------------------------------------------
 157  * Start addresses for the final memory configuration
 158  * (Set up by the startup code)
 159  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 160  */
 161 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 162 #define CONFIG_SYS_FLASH0_BASE          0xFFF80000
 163 #define CONFIG_SYS_FLASH0_SIZE          0x00080000
 164 #define CONFIG_SYS_FLASH1_BASE          0x20000000
 165 #define CONFIG_SYS_FLASH1_SIZE          0x02000000
 166 #define CONFIG_SYS_FLASH_BASE           CONFIG_SYS_FLASH0_BASE
 167 #define CONFIG_SYS_FLASH_SIZE           CONFIG_SYS_FLASH0_SIZE
 168 #define CONFIG_SYS_MONITOR_BASE TEXT_BASE
 169 #define CONFIG_SYS_MONITOR_LEN          (192 * 1024)    /* Reserve 196 kB for Monitor   */
 170 #define CONFIG_SYS_MALLOC_LEN           (128 * 1024)    /* Reserve 128 kB for malloc()  */
 171
 172 #if CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH0_BASE
 173 #define CONFIG_SYS_RAMSTART
 174 #endif
 175
 176 /*
 177  * For booting Linux, the board info and command line data
 178  * have to be in the first 8 MB of memory, since this is
 179  * the maximum mapped by the Linux kernel during initialization.
 180  */
 181 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 182 /*-----------------------------------------------------------------------
 183  * FLASH organization
 184  */
 185 #define CONFIG_SYS_MAX_FLASH_BANKS      5       /* max number of memory banks           */
 186 #define CONFIG_SYS_MAX_FLASH_SECT       128     /* max number of sectors on one chip    */
 187
 188 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
 189 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */
 190
 191 #ifdef CONFIG_ENV_IS_IN_FLASH
 192 #define CONFIG_ENV_OFFSET               0x00060000 /* Offset of Environment Sector      */
 193 #define CONFIG_ENV_SIZE         0x00010000 /* Total Size of Environment Sector  */
 194 #define CONFIG_ENV_SECT_SIZE    0x00010000 /* see README - env sector total size */
 195 #endif
 196
 197 /* On Chip Memory location/size */
 198 #define CONFIG_SYS_OCM_DATA_ADDR        0xF8000000
 199 #define CONFIG_SYS_OCM_DATA_SIZE        0x1000
 200
 201 /* Global info and initial stack */
 202 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_OCM_DATA_ADDR /* inside of on-chip SRAM      */
 203 #define CONFIG_SYS_INIT_RAM_END CONFIG_SYS_OCM_DATA_SIZE /* End of used area in RAM     */
 204 #define CONFIG_SYS_GBL_DATA_SIZE        128 /* size in bytes reserved for initial data */
 205 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 206 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 207
 208 /*
 209  * Internal Definitions
 210  *
 211  * Boot Flags
 212  */
 213 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 214 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 215
 216 #if defined(CONFIG_CMD_KGDB)
 217 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 218 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 219 #endif
 220 #endif  /* __CONFIG_H */