shannon.h 7.4 KB

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  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. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * Since we use the Inferno-Loader to bring us to live,
  30. * we skip the lowlevel init stuff.
  31. * But U-Boot still relocates itself into RAM
  32. */
  33. #define CONFIG_INFERNO /* we are using the inferno bootldr */
  34. #define CONFIG_SKIP_LOWLEVEL_INIT 1
  35. #undef CONFIG_SKIP_RELOCATE_UBOOT
  36. /*
  37. * High Level Configuration Options
  38. * (easy to change)
  39. */
  40. #define CONFIG_SA1100 1 /* This is an SA1100 CPU */
  41. #define CONFIG_SHANNON 1 /* on an SHANNON/TuxScreen Board */
  42. #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
  43. /* we will never enable dcache, because we have to setup MMU first */
  44. #define CONFIG_SYS_NO_DCACHE
  45. /*
  46. * Size of malloc() pool
  47. */
  48. #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
  49. #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
  50. /*
  51. * Hardware drivers
  52. */
  53. #define CONFIG_DRIVER_3C589 1
  54. /*
  55. * select serial console configuration
  56. */
  57. #define CONFIG_SA1100_SERIAL
  58. #define CONFIG_SERIAL3 1 /* we use SERIAL 3 */
  59. /* allow to overwrite serial and ethaddr */
  60. #define CONFIG_ENV_OVERWRITE
  61. #define CONFIG_BAUDRATE 115200
  62. /*
  63. * BOOTP options
  64. */
  65. #define CONFIG_BOOTP_BOOTFILESIZE
  66. #define CONFIG_BOOTP_BOOTPATH
  67. #define CONFIG_BOOTP_GATEWAY
  68. #define CONFIG_BOOTP_HOSTNAME
  69. /*
  70. * Command line configuration.
  71. */
  72. #include <config_cmd_default.h>
  73. #define CONFIG_BOOTDELAY 3
  74. #define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,115200"
  75. #define CONFIG_NETMASK 255.255.0.0
  76. #define CONFIG_BOOTCOMMAND "help"
  77. #if defined(CONFIG_CMD_KGDB)
  78. #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
  79. #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
  80. #endif
  81. /*
  82. * Miscellaneous configurable options
  83. */
  84. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  85. #define CONFIG_SYS_PROMPT "TuxScreen # " /* Monitor Command Prompt */
  86. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  87. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  88. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  89. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  90. #define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */
  91. #define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
  92. #define CONFIG_SYS_LOAD_ADDR 0xd0000000 /* default load address */
  93. #define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */
  94. #define CONFIG_SYS_CPUSPEED 0x09 /* 190 MHz for Shannon */
  95. /* valid baudrates */
  96. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  97. #define CONFIG_DOS_PARTITION 1 /* DOS partitiion support */
  98. /*-----------------------------------------------------------------------
  99. * Stack sizes
  100. *
  101. * The stack sizes are set up in start.S using the settings below
  102. */
  103. #define CONFIG_STACKSIZE (128*1024) /* regular stack */
  104. #ifdef CONFIG_USE_IRQ
  105. #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
  106. #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
  107. #endif
  108. /*-----------------------------------------------------------------------
  109. * Physical Memory Map
  110. */
  111. /* BE CAREFUL */
  112. #define CONFIG_NR_DRAM_BANKS 4 /* we have 4 banks of EDORAM */
  113. #define PHYS_SDRAM_1 0xc0000000 /* RAM Bank #1 */
  114. #define PHYS_SDRAM_1_SIZE 0x00400000 /* 4 MB */
  115. #define PHYS_SDRAM_2 0xc8000000 /* RAM Bank #2 */
  116. #define PHYS_SDRAM_2_SIZE 0x00400000 /* 4 MB */
  117. #define PHYS_SDRAM_3 0xd0000000 /* RAM Bank #3 */
  118. #define PHYS_SDRAM_3_SIZE 0x00400000 /* 4 MB */
  119. #define PHYS_SDRAM_4 0xd8000000 /* RAM Bank #4 */
  120. #define PHYS_SDRAM_4_SIZE 0x00400000 /* 4 MB */
  121. #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
  122. #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
  123. #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
  124. /*-----------------------------------------------------------------------
  125. * FLASH and environment organization
  126. */
  127. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
  128. #define CONFIG_SYS_MAX_FLASH_SECT (31+4) /* max number of sectors on one chip */
  129. /* timeout values are in ticks */
  130. #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
  131. #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
  132. #define CONFIG_ENV_IS_IN_FLASH 1
  133. #ifdef CONFIG_INFERNO
  134. /* we take the last sector, 128 KB in size, but we only use 16 KB of it for stack reasons */
  135. #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x003E0000) /* Addr of Environment Sector */
  136. #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment */
  137. #define CONFIG_ENV_SECT_SIZE (128 << 10) /* size of environment sector */
  138. #else
  139. #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
  140. #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment */
  141. #endif
  142. /*-----------------------------------------------------------------------
  143. * PCMCIA stuff
  144. *-----------------------------------------------------------------------
  145. *
  146. */
  147. /* we pick the upper one */
  148. #define CONFIG_PCMCIA_SLOT_A
  149. #define CONFIG_SYS_PCMCIA_IO_ADDR (0x20000000)
  150. #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
  151. #define CONFIG_SYS_PCMCIA_DMA_ADDR (0x24000000)
  152. #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
  153. #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0x2C000000)
  154. #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  155. #define CONFIG_SYS_PCMCIA_MEM_ADDR (0x28000000)
  156. #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
  157. /* in fact, MEM and ATTRB are swapped - has to be corrected soon in cmd_pcmcia or so */
  158. /*-----------------------------------------------------------------------
  159. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  160. *-----------------------------------------------------------------------
  161. */
  162. #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
  163. #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
  164. #undef CONFIG_IDE_LED /* LED for ide not supported */
  165. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  166. #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
  167. #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  168. #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
  169. /* it's simple, all regs are in I/O space */
  170. #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_ATTRB_ADDR
  171. /* Offset for data I/O */
  172. #define CONFIG_SYS_ATA_DATA_OFFSET 0
  173. /* Offset for normal register accesses */
  174. #define CONFIG_SYS_ATA_REG_OFFSET 0
  175. /* Offset for alternate registers */
  176. #define CONFIG_SYS_ATA_ALT_OFFSET 0
  177. /*-----------------------------------------------------------------------
  178. */
  179. #endif /* __CONFIG_H */