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  * Size of malloc() pool
  55  */
  56 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  57
  58 /*
  59  * Hardware drivers
  60  */
  61 #define CONFIG_DRIVER_CS8900    1       /* we have a CS8900 on-board */
  62 #define CS8900_BASE             0x07000300 /* agrees with WIN CE PA */
  63 #define CS8900_BUS16            1 /* the Linux driver does accesses as shorts */
  64
  65 #define CONFIG_VFD              1       /* VFD linear frame buffer driver */
  66 #define VFD_TEST_LOGO           1       /* output a test logo to the VFDs */
  67
  68 /*
  69  * select serial console configuration
  70  */
  71 #define CONFIG_SERIAL1          1       /* we use SERIAL 1 on TRAB */
  72
  73 #define CONFIG_HWFLOW                   /* include RTS/CTS flow control support */
  74
  75 #define CONFIG_MODEM_SUPPORT    1       /* enable modem initialization stuff */
  76
  77 #define CONFIG_MODEM_KEY_MAGIC  "23"    /* hold down these keys to enable modem */
  78
  79 /*
  80  * The following enables modem debugging stuff. The dbg() and
  81  * 'char screen[1024]' are used for debug printfs. Unfortunately,
  82  * it is usable only from BDI
  83  */
  84 #undef CONFIG_MODEM_SUPPORT_DEBUG
  85
  86 /* allow to overwrite serial and ethaddr */
  87 #define CONFIG_ENV_OVERWRITE
  88
  89 #define CONFIG_BAUDRATE         115200
  90
  91 #define CONFIG_TIMESTAMP        1       /* Print timestamp info for images */
  92
  93 #ifdef CONFIG_HWFLOW
  94 #define CONFIG_COMMANDS_ADD_HWFLOW      CFG_CMD_HWFLOW
  95 #else
  96 #define CONFIG_COMMANDS_ADD_HWFLOW      0
  97 #endif
  98
  99 #ifdef  CONFIG_VFD
 100 #define CONFIG_COMMANDS_ADD_VFD         CFG_CMD_VFD
 101 #else
 102 #define CONFIG_COMMANDS_ADD_VFD         0
 103 #endif
 104
 105 #ifndef USE_920T_MMU
 106 #define CONFIG_COMMANDS         ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \
 107                                  CFG_CMD_BSP                    | \
 108                                  CONFIG_COMMANDS_ADD_HWFLOW     | \
 109                                  CONFIG_COMMANDS_ADD_VFD        )
 110 #else
 111 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL                 | \
 112                                  CFG_CMD_BSP                    | \
 113                                  CONFIG_COMMANDS_ADD_HWFLOW     | \
 114                                  CONFIG_COMMANDS_ADD_VFD        )
 115 #endif
 116
 117 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 118 #include <cmd_confdefs.h>
 119
 120 #define CONFIG_BOOTDELAY        5
 121 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* allow to break in always */
 122 #define CONFIG_PREBOOT          "echo;echo *** booting ***;echo"
 123 #define CONFIG_BOOTARGS         "console=ttyS0"
 124 #define CONFIG_NETMASK          255.255.0.0
 125 #define CONFIG_IPADDR           192.168.3.68
 126 #define CONFIG_HOSTNAME         trab
 127 #define CONFIG_SERVERIP         192.168.3.1
 128 #define CONFIG_BOOTCOMMAND      "run flash_nfs"
 129
 130 #ifndef CONFIG_BIG_FLASH
 131 #define CONFIG_EXTRA_ENV_SETTINGS       \
 132         "nfs_args=setenv bootargs root=/dev/nfs rw " \
 133                 "nfsroot=$(serverip):$(rootpath)\0" \
 134         "rootpath=/opt/eldk/arm_920TDI\0" \
 135         "ram_args=setenv bootargs root=/dev/ram rw\0" \
 136         "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \
 137                 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \
 138         "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \
 139         "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \
 140         "update=protect off 1:0-8;era 1:0-8;cp.b 0xc100000 0 $(filesize);" \
 141                 "setenv filesize;saveenv\0" \
 142         "loadfile=/tftpboot/TRAB/uImage\0" \
 143         "loadaddr=c400000\0" \
 144         "net_load=tftpboot $(loadaddr) $(loadfile)\0" \
 145         "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \
 146         "kernel_addr=00040000\0" \
 147         "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \
 148         "mdm_init1=ATZ\0" \
 149         "mdm_init2=ATS0=1\0" \
 150         "mdm_flow_control=rts/cts\0"
 151 #else   /* CONFIG_BIG_FLASH */
 152 #define CONFIG_EXTRA_ENV_SETTINGS       \
 153         "nfs_args=setenv bootargs root=/dev/nfs rw " \
 154                 "nfsroot=$(serverip):$(rootpath)\0" \
 155         "rootpath=/opt/eldk/arm_920TDI\0" \
 156         "ram_args=setenv bootargs root=/dev/ram rw\0" \
 157         "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \
 158                 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \
 159         "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \
 160         "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \
 161         "update=protect off 1:0;era 1:0;cp.b 0xc100000 0 $(filesize)\0" \
 162         "loadfile=/tftpboot/TRAB/uImage\0" \
 163         "loadaddr=c400000\0" \
 164         "net_load=tftpboot $(loadaddr) $(loadfile)\0" \
 165         "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \
 166         "kernel_addr=00040000\0" \
 167         "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \
 168         "mdm_init1=ATZ\0" \
 169         "mdm_init2=ATS0=1\0" \
 170         "mdm_flow_control=rts/cts\0"
 171 #endif  /* CONFIG_BIG_FLASH */
 172
 173 #if 0   /* disabled for development */
 174 #define CONFIG_AUTOBOOT_KEYED           /* Enable password protection   */
 175 #define CONFIG_AUTOBOOT_PROMPT  "\nEnter password - autoboot in %d sec...\n"
 176 #define CONFIG_AUTOBOOT_DELAY_STR       "system"        /* 1st password */
 177 #endif
 178
 179 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 180 #define CONFIG_KGDB_BAUDRATE    115200          /* speed to run kgdb serial port */
 181 /* what's this ? it's not used anywhere */
 182 #define CONFIG_KGDB_SER_INDEX   1               /* which serial port to use */
 183 #endif
 184
 185 /*
 186  * Miscellaneous configurable options
 187  */
 188 #define CFG_LONGHELP                            /* undef to save memory         */
 189 #define CFG_PROMPT              "TRAB # "       /* Monitor Command Prompt       */
 190 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
 191 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 192 #define CFG_MAXARGS             16              /* max number of command args   */
 193 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 194
 195 #define CFG_MEMTEST_START       0x0c000000      /* memtest works on     */
 196 #define CFG_MEMTEST_END         0x0d000000      /* 16 MB in DRAM        */
 197
 198 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 199
 200 #define CFG_LOAD_ADDR           0x0cf00000      /* default load address */
 201
 202 #ifdef CONFIG_TRAB_50MHZ
 203 /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
 204 /* it to wrap 100 times (total 1562500) to get 1 sec. */
 205 /* this should _really_ be calculated !! */
 206 #define CFG_HZ                  1562500
 207 #else
 208 /* the PWM TImer 4 uses a counter of 10390 for 10 ms, so we need */
 209 /* it to wrap 100 times (total 1039000) to get 1 sec. */
 210 /* this should _really_ be calculated !! */
 211 #define CFG_HZ                  1039000
 212 #endif
 213
 214 /* valid baudrates */
 215 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 216
 217 #define CONFIG_MISC_INIT_R              /* have misc_init_r() function  */
 218
 219 /*-----------------------------------------------------------------------
 220  * Stack sizes
 221  *
 222  * The stack sizes are set up in start.S using the settings below
 223  */
 224 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 225 #ifdef CONFIG_USE_IRQ
 226 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 227 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 228 #endif
 229
 230 /*-----------------------------------------------------------------------
 231  * Physical Memory Map
 232  */
 233 #define CONFIG_NR_DRAM_BANKS    1          /* we have 1 bank of DRAM */
 234 #define PHYS_SDRAM_1            0x0c000000 /* SDRAM Bank #1 */
 235 #define PHYS_SDRAM_1_SIZE       0x01000000 /* 16 MB */
 236
 237 #define CFG_FLASH_BASE          0x00000000 /* Flash Bank #1 */
 238
 239 /* The following #defines are needed to get flash environment right */
 240 #define CFG_MONITOR_BASE        CFG_FLASH_BASE
 241 #ifndef CONFIG_BIG_FLASH
 242 #define CFG_MONITOR_LEN         (256 << 10)
 243 #else
 244 #define CFG_MONITOR_LEN         (128 << 10)
 245 #endif
 246
 247 /*-----------------------------------------------------------------------
 248  * FLASH and environment organization
 249  */
 250 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks */
 251 #ifndef CONFIG_BIG_FLASH
 252 #define CFG_MAX_FLASH_SECT      71      /* max number of sectors on one chip */
 253 #else
 254 #define CFG_MAX_FLASH_SECT      128     /* max number of sectors on one chip */
 255 #endif
 256
 257 /* timeout values are in ticks */
 258 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
 259 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
 260
 261 #define CFG_ENV_IS_IN_FLASH     1
 262
 263 /* Address and size of Primary Environment Sector       */
 264 #ifndef CONFIG_BIG_FLASH
 265 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x4000)
 266 #define CFG_ENV_SIZE            0x4000
 267 #define CFG_ENV_SECT_SIZE       0x4000
 268 #else
 269 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + 0x20000)
 270 #define CFG_ENV_SIZE            0x4000
 271 #define CFG_ENV_SECT_SIZE       0x20000
 272 #endif
 273
 274 /* Address and size of Redundant Environment Sector     */
 275 #define CFG_ENV_OFFSET_REDUND   (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE)
 276 #define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
 277
 278 /* Initial value of the on-board touch screen brightness */
 279 #define CFG_BRIGHTNESS 0x20
 280
 281 #endif  /* __CONFIG_H */