include/configs/armadillo.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 EP7312 board.
   7  *
   8  * Modified to work on Armadillo HT1070 ARM720T board
   9  * (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com
  10  *
  11  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27  * MA 02111-1307 USA
  28  */
  29
  30 #ifndef __CONFIG_H
  31 #define __CONFIG_H
  32
  33 /*
  34  * If we are developing, we might want to start armboot from ram
  35  * so we MUST NOT initialize critical regs like mem-timing ...
  36  */
  37 /*#define       CONFIG_INIT_CRITICAL*/          /* undef for developing */
  38
  39 /*
  40  * High Level Configuration Options
  41  * (easy to change)
  42  */
  43 #define CONFIG_ARM7             1       /* This is a ARM7 CPU   */
  44 #define CONFIG_ARMADILLO        1       /* on an Armadillo Board      */
  45 #define CONFIG_ARM_THUMB        1       /* this is an ARM720TDMI */
  46 #undef  CONFIG_ARM7_REVD                /* disable ARM720 REV.D Workarounds */
  47
  48 #undef CONFIG_USE_IRQ                   /* don't need them anymore */
  49
  50 /*
  51  * Size of malloc() pool
  52  */
  53 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  54 #define CFG_GBL_DATA_SIZE       128     /* size in bytes reserved for initial data */
  55
  56 /*
  57  * Hardware drivers
  58  */
  59 #define CONFIG_DRIVER_CS8900    1       /* we have a CS8900 on-board */
  60 #define CS8900_BASE             0x20000300 /* armadillo board */
  61 #define CS8900_BUS16            1
  62 #undef  CS8900_BUS32
  63
  64 /*
  65  * select serial console configuration
  66  */
  67 #define CONFIG_SERIAL1          1       /* we use Serial line 1 */
  68
  69 /* allow to overwrite serial and ethaddr */
  70 #define CONFIG_ENV_OVERWRITE
  71
  72 #define CONFIG_BAUDRATE         115200
  73
  74 /*
  75  * BOOTP options
  76  */
  77 #define CONFIG_BOOTP_SUBNETMASK
  78 #define CONFIG_BOOTP_GATEWAY
  79 #define CONFIG_BOOTP_HOSTNAME
  80 #define CONFIG_BOOTP_BOOTPATH
  81 #define CONFIG_BOOTP_BOOTFILESIZE
  82
  83
  84 /*
  85  * Command line configuration.
  86  */
  87 #include <config_cmd_default.h>
  88
  89
  90 #define CONFIG_BOOTDELAY        3
  91 #define CONFIG_BOOTARGS         "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200"
  92
  93 #define CONFIG_BOOTCOMMAND      "bootm 40000 180000"
  94
  95 /*
  96  * Miscellaneous configurable options
  97  */
  98 #define CFG_LONGHELP                            /* undef to save memory         */
  99 #define CFG_PROMPT              "ARMADILLO # "  /* Monitor Command Prompt       */
 100 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
 101 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 102 #define CFG_MAXARGS             16              /* max number of command args   */
 103 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 104
 105 #define CFG_MEMTEST_START       0xc0400000      /* memtest works on     */
 106 #define CFG_MEMTEST_END         0xc0800000      /* 4 ... 8 MB in DRAM   */
 107
 108 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 109
 110 #define CFG_LOAD_ADDR           0x00040000      /* default load address for armadillo: kernel img is here*/
 111
 112 #define CFG_HZ                  2000            /* decrementer freq: 2 kHz */
 113
 114                                                 /* valid baudrates */
 115 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 116
 117 /*-----------------------------------------------------------------------
 118  * Stack sizes
 119  *
 120  * The stack sizes are set up in start.S using the settings below
 121  */
 122 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 123 #ifdef CONFIG_USE_IRQ
 124 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 125 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 126 #endif
 127
 128 /*-----------------------------------------------------------------------
 129  * Physical Memory Map
 130  */
 131 #define CONFIG_NR_DRAM_BANKS    1          /* we have 1 bank of DRAM */
 132 #define PHYS_SDRAM_1            0xc0000000 /* SDRAM Bank #1 */
 133 #define PHYS_SDRAM_1_SIZE       0x02000000 /* 32 MB armadillo SDRAM */
 134
 135 #define PHYS_FLASH_1            0x00000000 /* Flash Bank #1 */
 136 #define PHYS_FLASH_SIZE         0x00400000 /* 4 MB */
 137
 138 #define CFG_FLASH_BASE          PHYS_FLASH_1
 139
 140 /*-----------------------------------------------------------------------
 141  * FLASH and environment organization
 142  */
 143 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 144 #define CFG_MAX_FLASH_SECT      512     /* max number of sectors on one chip    */
 145
 146 /* timeout values are in ticks */
 147 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
 148 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
 149
 150 #define CFG_ENV_IS_IN_FLASH     1
 151 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x20000)        /* Addr of Environment Sector   */
 152 #define CFG_ENV_SIZE            0x20000 /* Total Size of Environment Sector     */
 153
 154 #define CONFIG_CMDLINE_TAG
 155 #define CONFIG_SETUP_MEMORY_TAGS
 156 #define CONFIG_INITRD_TAG
 157
 158 #endif  /* __CONFIG_H */