smdk2400.h 6.0 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  4. * Marius Groeger <mgroeger@sysgo.de>
  5. * Gary Jennejohn <gj@denx.de>
  6. *
  7. * Configuation settings for the SAMSUNG board.
  8. *
  9. * See file CREDITS for list of people who contributed to this
  10. * project.
  11. *
  12. * This program is free software; you can redistribute it and/or
  13. * modify it under the terms of the GNU General Public License as
  14. * published by the Free Software Foundation; either version 2 of
  15. * the License, or (at your option) any later version.
  16. *
  17. * This program is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * You should have received a copy of the GNU General Public License
  23. * along with this program; if not, write to the Free Software
  24. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25. * MA 02111-1307 USA
  26. */
  27. #ifndef __CONFIG_H
  28. #define __CONFIG_H
  29. /*
  30. * If we are developing, we might want to start armboot from ram
  31. * so we MUST NOT initialize critical regs like mem-timing ...
  32. */
  33. #define CONFIG_INIT_CRITICAL /* undef for developing */
  34. /*
  35. * High Level Configuration Options
  36. * (easy to change)
  37. */
  38. #define CONFIG_ARM920T 1 /* This is an ARM920T core */
  39. #define CONFIG_S3C2400 1 /* in a SAMSUNG S3C2400 SoC */
  40. #define CONFIG_SMDK2400 1 /* on an SAMSUNG SMDK2400 Board */
  41. /* input clock of PLL */
  42. #define CONFIG_SYS_CLK_FREQ 12000000 /* SMDK2400 has 12 MHz input clock */
  43. #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
  44. #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
  45. #define CONFIG_SETUP_MEMORY_TAGS 1
  46. #define CONFIG_INITRD_TAG 1
  47. /*
  48. * Size of malloc() pool
  49. */
  50. #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
  51. /*
  52. * Hardware drivers
  53. */
  54. #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
  55. #define CS8900_BASE 0x07000300 /* agrees with WIN CE PA */
  56. #define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */
  57. /*
  58. * select serial console configuration
  59. */
  60. #define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SAMSUNG */
  61. #undef CONFIG_HWFLOW /* include RTS/CTS flow control support */
  62. #undef CONFIG_MODEM_SUPPORT /* enable modem initialization stuff */
  63. /*
  64. * The following enables modem debugging stuff. The dbg() and
  65. * 'char screen[1024]' are used for debug printfs. Unfortunately,
  66. * it is usable only from BDI
  67. */
  68. #undef CONFIG_MODEM_SUPPORT_DEBUG
  69. /* allow to overwrite serial and ethaddr */
  70. #define CONFIG_ENV_OVERWRITE
  71. #define CONFIG_BAUDRATE 115200
  72. #define CONFIG_TIMESTAMP 1 /* Print timestamp info for images */
  73. #ifndef USE_920T_MMU
  74. #define CONFIG_COMMANDS_tmp (CONFIG_CMD_DFL & ~CFG_CMD_CACHE)
  75. #else
  76. #define CONFIG_COMMANDS_tmp (CONFIG_CMD_DFL)
  77. #endif
  78. #ifdef CONFIG_HWFLOW
  79. #define CONFIG_COMMANDS (CONFIG_COMMANDS_tmp | CFG_CMD_HWFLOW)
  80. #else
  81. #define CONFIG_COMMANDS CONFIG_COMMANDS_tmp
  82. #endif
  83. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  84. #include <cmd_confdefs.h>
  85. #define CONFIG_BOOTDELAY 3
  86. #if 0
  87. #define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,9600"
  88. #define CONFIG_ETHADDR 08:00:3e:26:0a:5b
  89. #endif
  90. #define CONFIG_NETMASK 255.255.255.0
  91. #define CONFIG_IPADDR 134.98.93.36
  92. #define CONFIG_SERVERIP 134.98.93.22
  93. #if 0
  94. #define CONFIG_BOOTFILE "elinos-lart"
  95. #define CONFIG_BOOTCOMMAND "tftp; bootm"
  96. #endif
  97. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  98. #define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */
  99. /* what's this ? it's not used anywhere */
  100. #define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */
  101. #endif
  102. /*
  103. * Miscellaneous configurable options
  104. */
  105. #define CFG_LONGHELP /* undef to save memory */
  106. #define CFG_PROMPT "SMDK2400 # " /* Monitor Command Prompt */
  107. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  108. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  109. #define CFG_MAXARGS 16 /* max number of command args */
  110. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  111. #define CFG_MEMTEST_START 0x0c000000 /* memtest works on */
  112. #define CFG_MEMTEST_END 0x0e000000 /* 32 MB in DRAM */
  113. #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
  114. #define CFG_LOAD_ADDR 0x0cf00000 /* default load address */
  115. /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
  116. /* it to wrap 100 times (total 1562500) to get 1 sec. */
  117. #define CFG_HZ 1562500
  118. /* valid baudrates */
  119. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  120. /*-----------------------------------------------------------------------
  121. * Stack sizes
  122. *
  123. * The stack sizes are set up in start.S using the settings below
  124. */
  125. #define CONFIG_STACKSIZE (128*1024) /* regular stack */
  126. #ifdef CONFIG_USE_IRQ
  127. #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
  128. #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
  129. #endif
  130. /*-----------------------------------------------------------------------
  131. * Physical Memory Map
  132. */
  133. #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
  134. #define PHYS_SDRAM_1 0x0c000000 /* SDRAM Bank #1 */
  135. #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
  136. #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
  137. #define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */
  138. #define CFG_FLASH_BASE PHYS_FLASH_1
  139. /*-----------------------------------------------------------------------
  140. * FLASH and environment organization
  141. */
  142. #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
  143. #define CFG_MAX_FLASH_SECT (64) /* max number of sectors on one chip */
  144. /* timeout values are in ticks */
  145. #define CFG_FLASH_ERASE_TOUT (5*CFG_HZ) /* Timeout for Flash Erase */
  146. #define CFG_FLASH_WRITE_TOUT (5*CFG_HZ) /* Timeout for Flash Write */
  147. #define CFG_ENV_IS_IN_FLASH 1
  148. /* Address and size of Primary Environment Sector */
  149. #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)
  150. #define CFG_ENV_SIZE 0x40000
  151. /* Address and size of Redundant Environment Sector */
  152. #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SIZE)
  153. #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
  154. #endif /* __CONFIG_H */