include/configs/trab.h

   1 /*
   2  * (C) Copyright 2002
   3  * Gary Jennejohn <gj@denx.de>
   4  *
   5  * Configuation settings for the TRAB 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  * If we are developing, we might want to start armboot from ram
  31  * so we MUST NOT initialize critical regs like mem-timing ...
  32  */
  33 #define CONFIG_INIT_CRITICAL            /* undef for developing */
  34
  35 /*
  36  * High Level Configuration Options
  37  * (easy to change)
  38  */
  39 #define CONFIG_ARM920T          1       /* This is an arm920t CPU       */
  40 #define CONFIG_S3C2400          1       /* in a SAMSUNG S3C2400 SoC     */
  41 #define CONFIG_TRAB             1       /* on a TRAB Board              */
  42 #undef CONFIG_TRAB_50MHZ                /* run the CPU at 50 MHz        */
  43
  44 /* input clock of PLL */
  45 #define CONFIG_SYS_CLK_FREQ     12000000 /* TRAB has 12 MHz input clock */
  46
  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  * I2C stuff:
  56  * the TRAB is equipped with an ATMEL 24C04 EEPROM at
  57  * address 0x54 with 8bit addressing
  58  ***********************************************************/
  59 #define CONFIG_HARD_I2C                 /* I2C with hardware support */
  60 #define CFG_I2C_SPEED           100000  /* I2C speed */
  61 #define CFG_I2C_SLAVE           0x7F    /* I2C slave addr */
  62
  63 #define CFG_I2C_EEPROM_ADDR     0x54    /* EEPROM address */
  64 #define CFG_I2C_EEPROM_ADDR_LEN 1       /* 1 address byte */
  65
  66 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
  67 #define CFG_EEPROM_PAGE_WRITE_BITS 3    /* 8 bytes page write mode on 24C04 */
  68 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
  69
  70 /*
  71  * Size of malloc() pool
  72  */
  73 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  74
  75 /*
  76  * Hardware drivers
  77  */
  78 #define CONFIG_DRIVER_CS8900    1       /* we have a CS8900 on-board */
  79 #define CS8900_BASE             0x07000300 /* agrees with WIN CE PA */
  80 #define CS8900_BUS16            1 /* the Linux driver does accesses as shorts */
  81
  82 #define CONFIG_DRIVER_S3C24X0_I2C 1     /* we use the buildin I2C controller */
  83
  84 #define CONFIG_VFD              1       /* VFD linear frame buffer driver */
  85 #define VFD_TEST_LOGO           1       /* output a test logo to the VFDs */
  86
  87 /*
  88  * select serial console configuration
  89  */
  90 #define CONFIG_SERIAL1          1       /* we use SERIAL 1 on TRAB */
  91
  92 #define CONFIG_HWFLOW                   /* include RTS/CTS flow control support */
  93
  94 #define CONFIG_MODEM_SUPPORT    1       /* enable modem initialization stuff */
  95
  96 #define CONFIG_MODEM_KEY_MAGIC  "23"    /* hold down these keys to enable modem */
  97
  98 /*
  99  * The following enables modem debugging stuff. The dbg() and
 100  * 'char screen[1024]' are used for debug printfs. Unfortunately,
 101  * it is usable only from BDI
 102  */
 103 #undef CONFIG_MODEM_SUPPORT_DEBUG
 104
 105 /* allow to overwrite serial and ethaddr */
 106 #define CONFIG_ENV_OVERWRITE
 107
 108 #define CONFIG_BAUDRATE         115200
 109
 110 #define CONFIG_TIMESTAMP        1       /* Print timestamp info for images */
 111
 112 /* Use s3c2400's RTC */
 113 #define CONFIG_RTC_S3C24X0      1
 114
 115 #ifdef CONFIG_HWFLOW
 116 #define CONFIG_COMMANDS_ADD_HWFLOW      CFG_CMD_HWFLOW
 117 #else
 118 #define CONFIG_COMMANDS_ADD_HWFLOW      0
 119 #endif
 120
 121 #ifdef  CONFIG_VFD
 122 #define CONFIG_COMMANDS_ADD_VFD         CFG_CMD_VFD
 123 #else
 124 #define CONFIG_COMMANDS_ADD_VFD         0
 125 #endif
 126
 127 #ifdef CONFIG_DRIVER_S3C24X0_I2C
 128 #define CONFIG_COMMANDS_ADD_EEPROM      CFG_CMD_EEPROM
 129 #define CONFIG_COMMANDS_I2C             CFG_CMD_I2C
 130 #else
 131 #define CONFIG_COMMANDS_ADD_EEPROM      0
 132 #define CONFIG_COMMANDS_I2C             0
 133 #endif
 134
 135 #ifndef USE_920T_MMU
 136 #define CONFIG_COMMANDS         ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \
 137                                  CFG_CMD_BSP                    | \
 138                                  CFG_CMD_DATE                   | \
 139                                  CONFIG_COMMANDS_ADD_HWFLOW     | \
 140                                  CONFIG_COMMANDS_ADD_VFD        | \
 141                                  CONFIG_COMMANDS_ADD_EEPROM     | \
 142                                  CONFIG_COMMANDS_I2C            )
 143 #else
 144 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL                 | \
 145                                  CFG_CMD_BSP                    | \
 146                                  CFG_CMD_DATE                   | \
 147                                  CONFIG_COMMANDS_ADD_HWFLOW     | \
 148                                  CONFIG_COMMANDS_ADD_VFD        | \
 149                                  CONFIG_COMMANDS_ADD_EEPROM     | \
 150                                  CONFIG_COMMANDS_I2C            )
 151 #endif
 152
 153 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 154 #include <cmd_confdefs.h>
 155
 156 #define CONFIG_BOOTDELAY        5
 157 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* allow to break in always */
 158 #define CONFIG_PREBOOT          "echo;echo *** booting ***;echo"
 159 #define CONFIG_BOOTARGS         "console=ttyS0"
 160 #define CONFIG_NETMASK          255.255.0.0
 161 #define CONFIG_IPADDR           192.168.3.68
 162 #define CONFIG_HOSTNAME         trab
 163 #define CONFIG_SERVERIP         192.168.3.1
 164 #define CONFIG_BOOTCOMMAND      "run flash_nfs"
 165
 166 #ifndef CONFIG_BIG_FLASH
 167 #define CONFIG_EXTRA_ENV_SETTINGS       \
 168         "nfs_args=setenv bootargs root=/dev/nfs rw " \
 169                 "nfsroot=$(serverip):$(rootpath)\0" \
 170         "rootpath=/opt/eldk/arm_920TDI\0" \
 171         "ram_args=setenv bootargs root=/dev/ram rw\0" \
 172         "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \
 173                 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \
 174         "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \
 175         "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \
 176         "update=protect off 1:0-8;era 1:0-8;cp.b 0xc100000 0 $(filesize);" \
 177                 "setenv filesize;saveenv\0" \
 178         "loadfile=/tftpboot/TRAB/uImage\0" \
 179         "loadaddr=c400000\0" \
 180         "net_load=tftpboot $(loadaddr) $(loadfile)\0" \
 181         "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \
 182         "kernel_addr=00040000\0" \
 183         "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \
 184         "mdm_init1=ATZ\0" \
 185         "mdm_init2=ATS0=1\0" \
 186         "mdm_flow_control=rts/cts\0"
 187 #else   /* CONFIG_BIG_FLASH */
 188 #define CONFIG_EXTRA_ENV_SETTINGS       \
 189         "nfs_args=setenv bootargs root=/dev/nfs rw " \
 190                 "nfsroot=$(serverip):$(rootpath)\0" \
 191         "rootpath=/opt/eldk/arm_920TDI\0" \
 192         "ram_args=setenv bootargs root=/dev/ram rw\0" \
 193         "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \
 194                 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \
 195         "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \
 196         "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \
 197         "update=protect off 1:0;era 1:0;cp.b 0xc100000 0 $(filesize)\0" \
 198         "loadfile=/tftpboot/TRAB/uImage\0" \
 199         "loadaddr=c400000\0" \
 200         "net_load=tftpboot $(loadaddr) $(loadfile)\0" \
 201         "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \
 202         "kernel_addr=00040000\0" \
 203         "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \
 204         "mdm_init1=ATZ\0" \
 205         "mdm_init2=ATS0=1\0" \
 206         "mdm_flow_control=rts/cts\0"
 207 #endif  /* CONFIG_BIG_FLASH */
 208
 209 #if 0   /* disabled for development */
 210 #define CONFIG_AUTOBOOT_KEYED           /* Enable password protection   */
 211 #define CONFIG_AUTOBOOT_PROMPT  "\nEnter password - autoboot in %d sec...\n"
 212 #define CONFIG_AUTOBOOT_DELAY_STR       "system"        /* 1st password */
 213 #endif
 214
 215 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 216 #define CONFIG_KGDB_BAUDRATE    115200          /* speed to run kgdb serial port */
 217 /* what's this ? it's not used anywhere */
 218 #define CONFIG_KGDB_SER_INDEX   1               /* which serial port to use */
 219 #endif
 220
 221 /*
 222  * Miscellaneous configurable options
 223  */
 224 #define CFG_LONGHELP                            /* undef to save memory         */
 225 #define CFG_PROMPT              "TRAB # "       /* Monitor Command Prompt       */
 226 /* #define CFG_HUSH_PARSER              1 */    /* use "hush" command parser    */
 227 #ifdef  CFG_HUSH_PARSER
 228 #define CFG_PROMPT_HUSH_PS2     "> "
 229 #endif
 230
 231 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
 232 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 233 #define CFG_MAXARGS             16              /* max number of command args   */
 234 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 235
 236 #define CFG_MEMTEST_START       0x0c000000      /* memtest works on     */
 237 #define CFG_MEMTEST_END         0x0d000000      /* 16 MB in DRAM        */
 238
 239 #undef CFG_CLKS_IN_HZ           /* everything, incl board info, in Hz */
 240
 241 #define CFG_LOAD_ADDR           0x0cf00000      /* default load address */
 242
 243 #ifdef CONFIG_TRAB_50MHZ
 244 /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
 245 /* it to wrap 100 times (total 1562500) to get 1 sec. */
 246 /* this should _really_ be calculated !! */
 247 #define CFG_HZ                  1562500
 248 #else
 249 /* the PWM TImer 4 uses a counter of 10390 for 10 ms, so we need */
 250 /* it to wrap 100 times (total 1039000) to get 1 sec. */
 251 /* this should _really_ be calculated !! */
 252 #define CFG_HZ                  1039000
 253 #endif
 254
 255 /* valid baudrates */
 256 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 257
 258 #define CONFIG_MISC_INIT_R              /* have misc_init_r() function  */
 259
 260 /*-----------------------------------------------------------------------
 261  * Stack sizes
 262  *
 263  * The stack sizes are set up in start.S using the settings below
 264  */
 265 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 266 #ifdef CONFIG_USE_IRQ
 267 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 268 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 269 #endif
 270
 271 /*-----------------------------------------------------------------------
 272  * Physical Memory Map
 273  */
 274 #define CONFIG_NR_DRAM_BANKS    1               /* we have 1 bank of DRAM */
 275 #define PHYS_SDRAM_1            0x0c000000      /* SDRAM Bank #1 */
 276 #define PHYS_SDRAM_1_SIZE       0x01000000      /* 16 MB */
 277
 278 #define CFG_FLASH_BASE          0x00000000      /* Flash Bank #1 */
 279
 280 /* The following #defines are needed to get flash environment right */
 281 #define CFG_MONITOR_BASE        CFG_FLASH_BASE
 282 #ifndef CONFIG_BIG_FLASH
 283 #define CFG_MONITOR_LEN         (256 << 10)
 284 #else
 285 #define CFG_MONITOR_LEN         (128 << 10)
 286 #endif
 287
 288 /*-----------------------------------------------------------------------
 289  * FLASH and environment organization
 290  */
 291 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks */
 292 #ifndef CONFIG_BIG_FLASH
 293 #define CFG_MAX_FLASH_SECT      71      /* max number of sectors on one chip */
 294 #else
 295 #define CFG_MAX_FLASH_SECT      128     /* max number of sectors on one chip */
 296 #endif
 297
 298 /* timeout values are in ticks */
 299 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
 300 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
 301
 302 #define CFG_ENV_IS_IN_FLASH     1
 303
 304 /* Address and size of Primary Environment Sector       */
 305 #ifndef CONFIG_BIG_FLASH
 306 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x4000)
 307 #define CFG_ENV_SIZE            0x4000
 308 #define CFG_ENV_SECT_SIZE       0x4000
 309 #else
 310 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x20000)
 311 #define CFG_ENV_SIZE            0x4000
 312 #define CFG_ENV_SECT_SIZE       0x20000
 313 #endif
 314
 315 /* Address and size of Redundant Environment Sector     */
 316 #define CFG_ENV_OFFSET_REDUND   (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE)
 317 #define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
 318
 319 /* Initial value of the on-board touch screen brightness */
 320 #define CFG_BRIGHTNESS 0x20
 321
 322 #endif  /* __CONFIG_H */