include/configs/shannon.h

   1 /*
   2  * (C) Copyright 2002
   3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4  * Alex Zuepke <azu@sysgo.de>
   5  *
   6  * Configuation settings for the Shannon/TuxScreen/IS2630 WebPhone Board.
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26
  27 #ifndef __CONFIG_H
  28 #define __CONFIG_H
  29
  30 /*
  31  * If we are developing, we might want to start armboot from ram
  32  * so we MUST NOT initialize critical regs like mem-timing ...
  33  */
  34
  35 /*
  36  * we just run in non-critical mode now, because we use the Inferno-Loader to
  37  * bring us to live
  38  */
  39 #define CONFIG_INFERNO                  /* we are using the inferno bootldr */
  40 #undef CONFIG_INIT_CRITICAL
  41
  42 /*
  43  * High Level Configuration Options
  44  * (easy to change)
  45  */
  46 #define CONFIG_SA1100           1       /* This is an SA1100 CPU        */
  47 #define CONFIG_SHANNON          1       /* on an SHANNON/TuxScreen Board      */
  48
  49 #undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff */
  50
  51 /*
  52  * Size of malloc() pool
  53  */
  54 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  55 #define CFG_GBL_DATA_SIZE       128     /* size in bytes reserved for initial data */
  56
  57 /*
  58  * Hardware drivers
  59  */
  60 #define CONFIG_DRIVER_3C589     1
  61
  62 /*
  63  * select serial console configuration
  64  */
  65 #define CONFIG_SERIAL3          1       /* we use SERIAL 3  */
  66
  67 /* allow to overwrite serial and ethaddr */
  68 #define CONFIG_ENV_OVERWRITE
  69
  70 #define CONFIG_BAUDRATE         115200
  71
  72 #if 0 /* XXX - cannot test IDE anyway, so disabled for now - wd */
  73 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL | \
  74                                  CFG_CMD_PCMCIA | \
  75                                  CFG_CMD_IDE)
  76 #endif /* 0 */
  77
  78 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  79 #include <cmd_confdefs.h>
  80
  81 #define CONFIG_BOOTDELAY        3
  82 #define CONFIG_BOOTARGS         "root=ramfs devfs=mount console=ttySA0,115200"
  83 #define CONFIG_NETMASK          255.255.0.0
  84 #define CONFIG_BOOTCOMMAND      "help"
  85
  86 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  87 #define CONFIG_KGDB_BAUDRATE    230400          /* speed to run kgdb serial port */
  88 #define CONFIG_KGDB_SER_INDEX   2               /* which serial port to use */
  89 #endif
  90
  91 /*
  92  * Miscellaneous configurable options
  93  */
  94 #define CFG_LONGHELP                            /* undef to save memory         */
  95 #define CFG_PROMPT              "TuxScreen # "  /* Monitor Command Prompt       */
  96 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
  97 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  98 #define CFG_MAXARGS             16              /* max number of command args   */
  99 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 100
 101 #define CFG_MEMTEST_START       0xc0400000      /* memtest works on     */
 102 #define CFG_MEMTEST_END         0xc0800000      /* 4 ... 8 MB in DRAM   */
 103
 104 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 105
 106 #define CFG_LOAD_ADDR           0xd0000000      /* default load address */
 107
 108 #define CFG_HZ                  3686400         /* incrementer freq: 3.6864 MHz */
 109 #define CFG_CPUSPEED            0x09            /* 190 MHz for Shannon */
 110
 111                                                 /* valid baudrates */
 112 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 113
 114 #define CONFIG_DOS_PARTITION    1               /* DOS partitiion support */
 115
 116 /*-----------------------------------------------------------------------
 117  * Stack sizes
 118  *
 119  * The stack sizes are set up in start.S using the settings below
 120  */
 121 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 122 #ifdef CONFIG_USE_IRQ
 123 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 124 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 125 #endif
 126
 127 /*-----------------------------------------------------------------------
 128  * Physical Memory Map
 129  */
 130 /* BE CAREFUL */
 131 #define CONFIG_NR_DRAM_BANKS    4          /* we have 4 banks of EDORAM */
 132 #define PHYS_SDRAM_1            0xc0000000 /* RAM Bank #1 */
 133 #define PHYS_SDRAM_1_SIZE       0x00400000 /* 4 MB */
 134 #define PHYS_SDRAM_2            0xc8000000 /* RAM Bank #2 */
 135 #define PHYS_SDRAM_2_SIZE       0x00400000 /* 4 MB */
 136 #define PHYS_SDRAM_3            0xd0000000 /* RAM Bank #3 */
 137 #define PHYS_SDRAM_3_SIZE       0x00400000 /* 4 MB */
 138 #define PHYS_SDRAM_4            0xd8000000 /* RAM Bank #4 */
 139 #define PHYS_SDRAM_4_SIZE       0x00400000 /* 4 MB */
 140
 141
 142 #define PHYS_FLASH_1            0x00000000 /* Flash Bank #1 */
 143 #define PHYS_FLASH_SIZE         0x00400000 /* 4 MB */
 144
 145 #define CFG_FLASH_BASE          PHYS_FLASH_1
 146
 147 /*-----------------------------------------------------------------------
 148  * FLASH and environment organization
 149  */
 150 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 151 #define CFG_MAX_FLASH_SECT      (31+4)  /* max number of sectors on one chip    */
 152
 153 /* timeout values are in ticks */
 154 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
 155 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
 156
 157 #define CFG_ENV_IS_IN_FLASH     1
 158 #ifdef CONFIG_INFERNO
 159 /* we take the last sector, 128 KB in size, but we only use 4 KB of it for stack reasons */
 160 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x003E0000)     /* Addr of Environment Sector   */
 161 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
 162 #else
 163 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x1C000)        /* Addr of Environment Sector   */
 164 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
 165 #endif
 166
 167 /*-----------------------------------------------------------------------
 168  * PCMCIA stuff
 169  *-----------------------------------------------------------------------
 170  *
 171  */
 172
 173 /* we pick the upper one */
 174
 175 #define CONFIG_PCMCIA_SLOT_A
 176
 177 #define CFG_PCMCIA_IO_ADDR      (0x20000000)
 178 #define CFG_PCMCIA_IO_SIZE      ( 64 << 20 )
 179 #define CFG_PCMCIA_DMA_ADDR     (0x24000000)
 180 #define CFG_PCMCIA_DMA_SIZE     ( 64 << 20 )
 181 #define CFG_PCMCIA_ATTRB_ADDR   (0x2C000000)
 182 #define CFG_PCMCIA_ATTRB_SIZE   ( 64 << 20 )
 183 #define CFG_PCMCIA_MEM_ADDR     (0x28000000)
 184 #define CFG_PCMCIA_MEM_SIZE     ( 64 << 20 )
 185
 186 /* in fact, MEM and ATTRB are swapped - has to be corrected soon in cmd_pcmcia or so */
 187
 188 /*-----------------------------------------------------------------------
 189  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 190  *-----------------------------------------------------------------------
 191  */
 192
 193 #define CONFIG_IDE_PCCARD       1       /* Use IDE with PC Card Adapter */
 194
 195 #undef  CONFIG_IDE_PCMCIA               /* Direct IDE    not supported  */
 196 #undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 197 #undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 198
 199 #define CFG_IDE_MAXBUS          1       /* max. 1 IDE bus               */
 200 #define CFG_IDE_MAXDEVICE       1       /* max. 1 drive per IDE bus     */
 201
 202 #define CFG_ATA_IDE0_OFFSET     0x0000
 203
 204 /* it's simple, all regs are in I/O space */
 205 #define CFG_ATA_BASE_ADDR       CFG_PCMCIA_ATTRB_ADDR
 206
 207 /* Offset for data I/O                  */
 208 #define CFG_ATA_DATA_OFFSET     0
 209
 210 /* Offset for normal register accesses  */
 211 #define CFG_ATA_REG_OFFSET      0
 212
 213 /* Offset for alternate registers       */
 214 #define CFG_ATA_ALT_OFFSET      0
 215
 216 /*-----------------------------------------------------------------------
 217  */
 218
 219 #endif  /* __CONFIG_H */