impa7.h 5.0 KB

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  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. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * High Level Configuration Options
  30. * (easy to change)
  31. */
  32. #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
  33. #define CONFIG_IMPA7 1 /* on an impA7 Board */
  34. #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
  35. #define CONFIG_ARM7_REVD 1 /* enable ARM720 REV.D Workarounds */
  36. #undef CONFIG_USE_IRQ /* don't need them anymore */
  37. /*
  38. * Size of malloc() pool
  39. */
  40. #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
  41. #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
  42. /*
  43. * Hardware drivers
  44. */
  45. #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
  46. #define CS8900_BASE 0x20000000
  47. #define CS8900_BUS32 1
  48. /*
  49. * select serial console configuration
  50. */
  51. #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
  52. /* allow to overwrite serial and ethaddr */
  53. #define CONFIG_ENV_OVERWRITE
  54. #define CONFIG_BAUDRATE 9600
  55. #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
  56. #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_JFFS2)
  57. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  58. #include <cmd_confdefs.h>
  59. #define CONFIG_BOOTDELAY 3
  60. #define CONFIG_BOOTARGS "devfs=mount root=ramfs console=ttyS0,9600"
  61. /*#define CONFIG_ETHADDR 08:00:3e:26:0a:5a */
  62. /*#define CONFIG_NETMASK 255.255.0.0 */
  63. /*#define CONFIG_IPADDR 172.22.2.128 */
  64. /*#define CONFIG_SERVERIP 172.22.2.126 */
  65. /*#define CONFIG_BOOTFILE "impa7" */
  66. #define CONFIG_BOOTCOMMAND "bootp;bootm"
  67. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  68. #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
  69. #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
  70. #endif
  71. /*
  72. * Miscellaneous configurable options
  73. */
  74. #define CFG_LONGHELP /* undef to save memory */
  75. #define CFG_PROMPT "impA7 # " /* Monitor Command Prompt */
  76. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  77. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  78. #define CFG_MAXARGS 16 /* max number of command args */
  79. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  80. #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
  81. #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
  82. #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
  83. #define CFG_LOAD_ADDR 0xc1000000 /* default load address */
  84. #define CFG_HZ 2000 /* decrementer freq: 2 kHz */
  85. /* valid baudrates */
  86. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  87. /*-----------------------------------------------------------------------
  88. * Stack sizes
  89. *
  90. * The stack sizes are set up in start.S using the settings below
  91. */
  92. #define CONFIG_STACKSIZE (128*1024) /* regular stack */
  93. #ifdef CONFIG_USE_IRQ
  94. #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
  95. #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
  96. #endif
  97. /*-----------------------------------------------------------------------
  98. * Physical Memory Map
  99. */
  100. #define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */
  101. #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
  102. #define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */
  103. #define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */
  104. #define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */
  105. #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
  106. #define PHYS_FLASH_2 0x10000000 /* Flash Bank #2 */
  107. #define PHYS_FLASH_SIZE 0x00800000 /* 16 MB */
  108. #define CFG_FLASH_BASE PHYS_FLASH_1
  109. /*-----------------------------------------------------------------------
  110. * FLASH and environment organization
  111. */
  112. #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
  113. #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
  114. /* timeout values are in ticks */
  115. #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
  116. #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
  117. #define CFG_ENV_IS_IN_FLASH 1
  118. #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
  119. #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  120. /* Flash banks JFFS2 should use */
  121. #define CFG_JFFS2_FIRST_BANK 0
  122. #define CFG_JFFS2_FIRST_SECTOR 8
  123. #define CFG_JFFS2_NUM_BANKS 2
  124. #endif /* __CONFIG_H */