impa7.h 5.6 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 CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
  41. #define CONFIG_SYS_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. /*
  56. * BOOTP options
  57. */
  58. #define CONFIG_BOOTP_SUBNETMASK
  59. #define CONFIG_BOOTP_GATEWAY
  60. #define CONFIG_BOOTP_HOSTNAME
  61. #define CONFIG_BOOTP_BOOTPATH
  62. #define CONFIG_BOOTP_BOOTFILESIZE
  63. /*
  64. * Command line configuration.
  65. */
  66. #include <config_cmd_default.h>
  67. #define CONFIG_CMD_JFFS2
  68. #define CONFIG_BOOTDELAY 3
  69. #define CONFIG_BOOTARGS "devfs=mount root=ramfs console=ttyS0,9600"
  70. /*#define CONFIG_ETHADDR 08:00:3e:26:0a:5a */
  71. /*#define CONFIG_NETMASK 255.255.0.0 */
  72. /*#define CONFIG_IPADDR 172.22.2.128 */
  73. /*#define CONFIG_SERVERIP 172.22.2.126 */
  74. /*#define CONFIG_BOOTFILE "impa7" */
  75. #define CONFIG_BOOTCOMMAND "bootp;bootm"
  76. #if defined(CONFIG_CMD_KGDB)
  77. #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
  78. #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
  79. #endif
  80. /*
  81. * Miscellaneous configurable options
  82. */
  83. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  84. #define CONFIG_SYS_PROMPT "impA7 # " /* Monitor Command Prompt */
  85. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  86. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  87. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  88. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  89. #define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */
  90. #define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
  91. #undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */
  92. #define CONFIG_SYS_LOAD_ADDR 0xc1000000 /* default load address */
  93. #define CONFIG_SYS_HZ 2000 /* decrementer freq: 2 kHz */
  94. /* valid baudrates */
  95. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  96. /*-----------------------------------------------------------------------
  97. * Stack sizes
  98. *
  99. * The stack sizes are set up in start.S using the settings below
  100. */
  101. #define CONFIG_STACKSIZE (128*1024) /* regular stack */
  102. #ifdef CONFIG_USE_IRQ
  103. #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
  104. #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
  105. #endif
  106. /*-----------------------------------------------------------------------
  107. * Physical Memory Map
  108. */
  109. #define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */
  110. #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
  111. #define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */
  112. #define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */
  113. #define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */
  114. #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
  115. #define PHYS_FLASH_2 0x10000000 /* Flash Bank #2 */
  116. #define PHYS_FLASH_SIZE 0x00800000 /* 16 MB */
  117. #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
  118. /*-----------------------------------------------------------------------
  119. * FLASH and environment organization
  120. */
  121. #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
  122. #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
  123. /* timeout values are in ticks */
  124. #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
  125. #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
  126. #define CONFIG_ENV_IS_IN_FLASH 1
  127. #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
  128. #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  129. /*
  130. * JFFS2 partitions
  131. *
  132. */
  133. /* No command line, one static partition, whole device */
  134. #undef CONFIG_CMD_MTDPARTS
  135. #define CONFIG_JFFS2_DEV "nor0"
  136. #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
  137. #define CONFIG_JFFS2_PART_OFFSET 0x00020000
  138. /* mtdparts command line support */
  139. /*
  140. #define CONFIG_CMD_MTDPARTS
  141. #define MTDIDS_DEFAULT "nor0=impA7 NOR Flash Bank #0,nor1=impA7 NOR Flash Bank #1"
  142. #define MTDPARTS_DEFAULT "mtdparts=impA7 NOR Flash Bank #0:-(FileSystem1);impA7 NOR Flash Bank #1:-(FileSystem2)"
  143. */
  144. #endif /* __CONFIG_H */