include/configs/impa7.h

   1 /*
   2  * (C) Copyright 2000
   3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4  * Marius Groeger <mgroeger@sysgo.de>
   5  *
   6  * Configuation settings for the implementa impA7 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  * High Level Configuration Options
  32  * (easy to change)
  33  */
  34 #define CONFIG_ARM7             1       /* This is a ARM7 CPU   */
  35 #define CONFIG_IMPA7            1       /* on an impA7 Board      */
  36 #define CONFIG_ARM_THUMB        1       /* this is an ARM720TDMI */
  37 #define CONFIG_ARM7_REVD        1       /* enable ARM720 REV.D Workarounds */
  38
  39 #undef CONFIG_USE_IRQ                   /* don't need them anymore */
  40
  41 /*
  42  * Size of malloc() pool
  43  */
  44 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  45 #define CFG_GBL_DATA_SIZE       128     /* size in bytes reserved for initial data */
  46
  47 /*
  48  * Hardware drivers
  49  */
  50 #define CONFIG_DRIVER_CS8900    1       /* we have a CS8900 on-board */
  51 #define CS8900_BASE             0x20000000
  52 #define CS8900_BUS32            1
  53
  54 /*
  55  * select serial console configuration
  56  */
  57 #define CONFIG_SERIAL1          1       /* we use Serial line 1 */
  58
  59 /* allow to overwrite serial and ethaddr */
  60 #define CONFIG_ENV_OVERWRITE
  61
  62 #define CONFIG_BAUDRATE         9600
  63
  64 #define CONFIG_BOOTP_MASK       (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
  65
  66 #define CONFIG_COMMANDS         (CONFIG_CMD_DFL | CFG_CMD_JFFS2)
  67
  68 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  69 #include <cmd_confdefs.h>
  70
  71 #define CONFIG_BOOTDELAY        3
  72 #define CONFIG_BOOTARGS         "devfs=mount root=ramfs console=ttyS0,9600"
  73 /*#define CONFIG_ETHADDR        08:00:3e:26:0a:5a       */
  74 /*#define CONFIG_NETMASK        255.255.0.0     */
  75 /*#define CONFIG_IPADDR         172.22.2.128    */
  76 /*#define CONFIG_SERVERIP       172.22.2.126    */
  77 /*#define CONFIG_BOOTFILE       "impa7" */
  78 #define CONFIG_BOOTCOMMAND      "bootp;bootm"
  79
  80 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  81 #define CONFIG_KGDB_BAUDRATE    230400          /* speed to run kgdb serial port */
  82 #define CONFIG_KGDB_SER_INDEX   2               /* which serial port to use */
  83 #endif
  84
  85 /*
  86  * Miscellaneous configurable options
  87  */
  88 #define CFG_LONGHELP                            /* undef to save memory         */
  89 #define CFG_PROMPT              "impA7 # "              /* Monitor Command Prompt       */
  90 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
  91 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  92 #define CFG_MAXARGS             16              /* max number of command args   */
  93 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
  94
  95 #define CFG_MEMTEST_START       0xc0400000      /* memtest works on     */
  96 #define CFG_MEMTEST_END         0xc0800000      /* 4 ... 8 MB in DRAM   */
  97
  98 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
  99
 100 #define CFG_LOAD_ADDR           0xc1000000      /* default load address */
 101
 102 #define CFG_HZ                  2000            /* decrementer freq: 2 kHz */
 103
 104                                                 /* valid baudrates */
 105 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 106
 107 /*-----------------------------------------------------------------------
 108  * Stack sizes
 109  *
 110  * The stack sizes are set up in start.S using the settings below
 111  */
 112 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 113 #ifdef CONFIG_USE_IRQ
 114 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 115 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 116 #endif
 117
 118 /*-----------------------------------------------------------------------
 119  * Physical Memory Map
 120  */
 121 #define CONFIG_NR_DRAM_BANKS    2          /* we have 2 banks of DRAM */
 122 #define PHYS_SDRAM_1            0xc0000000 /* SDRAM Bank #1 */
 123 #define PHYS_SDRAM_1_SIZE       0x00800000 /* 8 MB */
 124 #define PHYS_SDRAM_2            0xc1000000 /* SDRAM Bank #2 */
 125 #define PHYS_SDRAM_2_SIZE       0x00800000 /* 8 MB */
 126
 127 #define PHYS_FLASH_1            0x00000000 /* Flash Bank #1 */
 128 #define PHYS_FLASH_2            0x10000000 /* Flash Bank #2 */
 129 #define PHYS_FLASH_SIZE         0x00800000 /* 16 MB */
 130
 131 #define CFG_FLASH_BASE          PHYS_FLASH_1
 132
 133 /*-----------------------------------------------------------------------
 134  * FLASH and environment organization
 135  */
 136 #define CFG_MAX_FLASH_BANKS     2       /* max number of memory banks           */
 137 #define CFG_MAX_FLASH_SECT      71      /* max number of sectors on one chip    */
 138
 139 /* timeout values are in ticks */
 140 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
 141 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
 142
 143 #define CFG_ENV_IS_IN_FLASH     1
 144 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x1C000)        /* Addr of Environment Sector   */
 145 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
 146
 147 /*
 148  * JFFS2 partitions
 149  *
 150  */
 151 /* No command line, one static partition, whole device */
 152 #undef CONFIG_JFFS2_CMDLINE
 153 #define CONFIG_JFFS2_DEV                "nor0"
 154 #define CONFIG_JFFS2_PART_SIZE          0xFFFFFFFF
 155 #define CONFIG_JFFS2_PART_OFFSET        0x00020000
 156
 157 /* mtdparts command line support */
 158 /*
 159 #define CONFIG_JFFS2_CMDLINE
 160 #define MTDIDS_DEFAULT          "nor0=impA7 NOR Flash Bank #0,nor1=impA7 NOR Flash Bank #1"
 161 #define MTDPARTS_DEFAULT        "mtdparts=impA7 NOR Flash Bank #0:-(FileSystem1);impA7 NOR Flash Bank #1:-(FileSystem2)"
 162 */
 163
 164 #endif  /* __CONFIG_H */