include/configs/ixdp425.h

   1 /*
   2  * (C) Copyright 2003
   3  * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
   4  *
   5  * Configuation settings for the IXDP425 board.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #ifndef __CONFIG_H
  27 #define __CONFIG_H
  28
  29 /*
  30  * High Level Configuration Options
  31  * (easy to change)
  32  */
  33 #define CONFIG_IXP425           1       /* This is an IXP425 CPU    */
  34 #define CONFIG_IXDP425          1       /* on an IXDP425 Board      */
  35
  36 /***************************************************************
  37  * U-boot generic defines start here.
  38  ***************************************************************/
  39
  40 /*
  41  * If we are developing, we might want to start armboot from ram
  42  * so we MUST NOT initialize critical regs like mem-timing ...
  43  */
  44 #define CONFIG_INIT_CRITICAL            /* undef for developing */
  45
  46 #undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff */
  47
  48 /*
  49  * Size of malloc() pool
  50  */
  51 #define CFG_MALLOC_LEN      (CFG_ENV_SIZE + 128*1024)
  52
  53 /* allow to overwrite serial and ethaddr */
  54 #define CONFIG_ENV_OVERWRITE
  55
  56 #define CONFIG_BAUDRATE         115200
  57
  58 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL & ~CFG_CMD_NET)
  59
  60 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  61 /* These are u-boot generic parameters */
  62 #include <cmd_confdefs.h>
  63
  64 #define CONFIG_BOOTDELAY        3
  65 #define CONFIG_ETHADDR          08:00:3e:26:0a:5b
  66 #define CONFIG_NETMASK          255.255.0.0
  67 #define CONFIG_IPADDR           192.168.0.21
  68 #define CONFIG_SERVERIP         192.168.0.250
  69 #define CONFIG_BOOTCOMMAND      "bootm 50040000"
  70 #define CONFIG_BOOTARGS         "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200"
  71 #define CONFIG_CMDLINE_TAG
  72
  73 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  74 #define CONFIG_KGDB_BAUDRATE    230400          /* speed to run kgdb serial port */
  75 #define CONFIG_KGDB_SER_INDEX   2               /* which serial port to use */
  76 #endif
  77
  78 /*
  79  * Miscellaneous configurable options
  80  */
  81 #define CFG_LONGHELP                            /* undef to save memory         */
  82 #define CFG_PROMPT              "=> "   /* Monitor Command Prompt       */
  83 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
  84 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  85 #define CFG_MAXARGS             16              /* max number of command args   */
  86 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
  87
  88 #define CFG_MEMTEST_START       0x00400000      /* memtest works on     */
  89 #define CFG_MEMTEST_END         0x00800000      /* 4 ... 8 MB in DRAM   */
  90
  91 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
  92
  93 #define CFG_LOAD_ADDR           0x00010000      /* default load address */
  94
  95 #define CFG_HZ                  3333333         /* spec says 66.666 MHz, but it appears to be 33 */
  96                                                 /* valid baudrates */
  97 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
  98
  99 /*
 100  * Stack sizes
 101  *
 102  * The stack sizes are set up in start.S using the settings below
 103  */
 104 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 105 #ifdef CONFIG_USE_IRQ
 106 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 107 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 108 #endif
 109
 110 /***************************************************************
 111  * Platform/Board specific defines start here.
 112  ***************************************************************/
 113
 114 /*
 115  * Hardware drivers
 116  */
 117
 118
 119 /*
 120  * select serial console configuration
 121  */
 122 #define CFG_IXP425_CONSOLE      IXP425_UART1   /* we use UART1 for console */
 123
 124 /*
 125  * Physical Memory Map
 126  */
 127 #define CONFIG_NR_DRAM_BANKS    1          /* we have 2 banks of DRAM */
 128 #define PHYS_SDRAM_1            0x00000000 /* SDRAM Bank #1 */
 129 #define PHYS_SDRAM_1_SIZE       0x01000000 /* 16 MB */
 130
 131 #define PHYS_FLASH_1            0x50000000 /* Flash Bank #1 */
 132 #define PHYS_FLASH_SIZE         0x00800000 /* 8 MB */
 133 #define PHYS_FLASH_BANK_SIZE    0x00800000 /* 8 MB Banks */
 134 #define PHYS_FLASH_SECT_SIZE    0x00020000 /* 128 KB sectors (x1) */
 135
 136 #define CFG_DRAM_BASE           0x00000000
 137 #define CFG_DRAM_SIZE           0x01000000
 138
 139 #define CFG_FLASH_BASE          PHYS_FLASH_1
 140
 141 /*
 142  * Expansion bus settings
 143  */
 144 #define CFG_EXP_CS0                             0xbcd23c42
 145
 146 /*
 147  * SDRAM settings
 148  */
 149 #define CFG_SDR_CONFIG                  0xd
 150 #define CFG_SDRAM_REFRESH_CNT   0x81a
 151
 152 /*
 153  * GPIO settings
 154  */
 155
 156 /*
 157  * FLASH and environment organization
 158  */
 159 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 160 #define CFG_MAX_FLASH_SECT      128     /* max number of sectors on one chip    */
 161
 162 /* timeout values are in ticks */
 163 #define CFG_FLASH_ERASE_TOUT    (25*CFG_HZ) /* Timeout for Flash Erase */
 164 #define CFG_FLASH_WRITE_TOUT    (25*CFG_HZ) /* Timeout for Flash Write */
 165
 166 /* FIXME */
 167 #define CFG_ENV_IS_IN_FLASH             1
 168 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x20000)        /* Addr of Environment Sector   */
 169 #define CFG_ENV_SIZE            0x20000  /* Total Size of Environment Sector     */
 170
 171 #endif  /* __CONFIG_H */