include/configs/smdk2400.h

   1 /*
   2  * (C) Copyright 2002
   3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4  * Marius Groeger <mgroeger@sysgo.de>
   5  * Gary Jennejohn <gj@denx.de>
   6  *
   7  * Configuation settings for the SAMSUNG board.
   8  *
   9  * See file CREDITS for list of people who contributed to this
  10  * project.
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License as
  14  * published by the Free Software Foundation; either version 2 of
  15  * the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25  * MA 02111-1307 USA
  26  */
  27
  28 #ifndef __CONFIG_H
  29 #define __CONFIG_H
  30
  31 /*
  32  * If we are developing, we might want to start armboot from ram
  33  * so we MUST NOT initialize critical regs like mem-timing ...
  34  */
  35 #define CONFIG_INIT_CRITICAL            /* undef for developing */
  36
  37 /*
  38  * High Level Configuration Options
  39  * (easy to change)
  40  */
  41 #define CONFIG_ARM920T          1       /* This is an ARM920T core      */
  42 #define CONFIG_S3C2400          1       /* in a SAMSUNG S3C2400 SoC     */
  43 #define CONFIG_SMDK2400         1       /* on an SAMSUNG SMDK2400 Board */
  44
  45 /* input clock of PLL */
  46 #define CONFIG_SYS_CLK_FREQ     12000000 /* SMDK2400 has 12 MHz input clock */
  47 #undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff  */
  48
  49 #define CONFIG_CMDLINE_TAG       1      /* enable passing of ATAGs      */
  50 #define CONFIG_SETUP_MEMORY_TAGS 1
  51 #define CONFIG_INITRD_TAG        1
  52
  53
  54 /*
  55  * Size of malloc() pool
  56  */
  57 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  58 #define CFG_GBL_DATA_SIZE       128     /* size in bytes reserved for initial data */
  59
  60 /*
  61  * Hardware drivers
  62  */
  63 #define CONFIG_DRIVER_CS8900    1       /* we have a CS8900 on-board */
  64 #define CS8900_BASE             0x07000300 /* agrees with WIN CE PA */
  65 #define CS8900_BUS16            1 /* the Linux driver does accesses as shorts */
  66
  67 /*
  68  * select serial console configuration
  69  */
  70 #define CONFIG_SERIAL1          1       /* we use SERIAL 1 on SAMSUNG */
  71
  72 #undef  CONFIG_HWFLOW                   /* include RTS/CTS flow control support */
  73
  74 #undef  CONFIG_MODEM_SUPPORT            /* enable modem initialization stuff */
  75
  76 /*
  77  * The following enables modem debugging stuff. The dbg() and
  78  * 'char screen[1024]' are used for debug printfs. Unfortunately,
  79  * it is usable only from BDI
  80  */
  81 #undef CONFIG_MODEM_SUPPORT_DEBUG
  82
  83 /* allow to overwrite serial and ethaddr */
  84 #define CONFIG_ENV_OVERWRITE
  85
  86 #define CONFIG_BAUDRATE         115200
  87
  88 #define CONFIG_TIMESTAMP        1       /* Print timestamp info for images */
  89
  90 /* Use s3c2400's RTC */
  91 #define CONFIG_RTC_S3C24X0      1
  92
  93 #ifndef USE_920T_MMU
  94 #define CONFIG_COMMANDS_tmp     ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \
  95                                  CFG_CMD_DATE)
  96 #else
  97 #define CONFIG_COMMANDS_tmp     (CONFIG_CMD_DFL | CFG_CMD_DATE)
  98 #endif
  99
 100 #ifdef CONFIG_HWFLOW
 101 #define CONFIG_COMMANDS         (CONFIG_COMMANDS_tmp | CFG_CMD_HWFLOW)
 102 #else
 103 #define CONFIG_COMMANDS         CONFIG_COMMANDS_tmp
 104 #endif
 105
 106 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 107 #include <cmd_confdefs.h>
 108
 109 #define CONFIG_BOOTDELAY        3
 110 #if 0
 111 #define CONFIG_BOOTARGS         "root=ramfs devfs=mount console=ttySA0,9600"
 112 #define CONFIG_ETHADDR          08:00:3e:26:0a:5b
 113 #endif
 114 #define CONFIG_NETMASK          255.255.255.0
 115 #define CONFIG_IPADDR           134.98.93.36
 116 #define CONFIG_SERVERIP         134.98.93.22
 117 #if 0
 118 #define CONFIG_BOOTFILE         "elinos-lart"
 119 #define CONFIG_BOOTCOMMAND      "tftp; bootm"
 120 #endif
 121
 122 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 123 #define CONFIG_KGDB_BAUDRATE    115200          /* speed to run kgdb serial port */
 124 /* what's this ? it's not used anywhere */
 125 #define CONFIG_KGDB_SER_INDEX   1               /* which serial port to use */
 126 #endif
 127
 128 /*
 129  * Miscellaneous configurable options
 130  */
 131 #define CFG_LONGHELP                            /* undef to save memory         */
 132 #define CFG_PROMPT              "SMDK2400 # "   /* Monitor Command Prompt       */
 133 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
 134 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 135 #define CFG_MAXARGS             16              /* max number of command args   */
 136 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 137
 138 #define CFG_MEMTEST_START       0x0c000000      /* memtest works on     */
 139 #define CFG_MEMTEST_END         0x0e000000      /* 32 MB in DRAM        */
 140
 141 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 142
 143 #define CFG_LOAD_ADDR           0x0cf00000      /* default load address */
 144
 145 /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
 146 /* it to wrap 100 times (total 1562500) to get 1 sec. */
 147 #define CFG_HZ                  1562500
 148
 149 /* valid baudrates */
 150 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 151
 152 /*-----------------------------------------------------------------------
 153  * Stack sizes
 154  *
 155  * The stack sizes are set up in start.S using the settings below
 156  */
 157 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 158 #ifdef CONFIG_USE_IRQ
 159 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 160 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 161 #endif
 162
 163 /*-----------------------------------------------------------------------
 164  * Physical Memory Map
 165  */
 166 #define CONFIG_NR_DRAM_BANKS    1          /* we have 1 bank of DRAM */
 167 #define PHYS_SDRAM_1            0x0c000000 /* SDRAM Bank #1 */
 168 #define PHYS_SDRAM_1_SIZE       0x02000000 /* 32 MB */
 169
 170 #define CFG_FLASH_BASE          0x00000000 /* Flash Bank #1 */
 171
 172 /*-----------------------------------------------------------------------
 173  * FLASH and environment organization
 174  */
 175 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks */
 176 #define CFG_MAX_FLASH_SECT      (64)    /* max number of sectors on one chip */
 177
 178 /* timeout values are in ticks */
 179 #define CFG_FLASH_ERASE_TOUT    (5*CFG_HZ) /* Timeout for Flash Erase */
 180 #define CFG_FLASH_WRITE_TOUT    (5*CFG_HZ) /* Timeout for Flash Write */
 181
 182 #define CFG_ENV_IS_IN_FLASH     1
 183
 184 /* Address and size of Primary Environment Sector       */
 185 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x40000)
 186 #define CFG_ENV_SIZE            0x40000
 187
 188 /* Address and size of Redundant Environment Sector     */
 189 #define CFG_ENV_ADDR_REDUND     (CFG_ENV_ADDR + CFG_ENV_SIZE)
 190 #define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
 191
 192 #endif  /* __CONFIG_H */