Adder.h 6.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215
  1. /*
  2. * Copyright (C) 2004-2005 Arabella Software Ltd.
  3. * Yuli Barcohen <yuli@arabellasw.com>
  4. *
  5. * Support for Analogue&Micro Adder boards family.
  6. * Tested on AdderII and Adder87x.
  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. #if !defined(CONFIG_MPC875) && !defined(CONFIG_MPC852T)
  29. #define CONFIG_MPC875
  30. #endif
  31. #define CONFIG_ADDER /* Analogue&Micro Adder board */
  32. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  33. #define CONFIG_BAUDRATE 38400
  34. #define CONFIG_ETHER_ON_FEC1
  35. #define CONFIG_ETHER_ON_FEC2
  36. #if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2)
  37. #define CFG_DISCOVER_PHY
  38. #define FEC_ENET
  39. #endif /* CONFIG_ETHER_ON_FEC || CONFIG_ETHER_ON_FEC2 */
  40. #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
  41. #define CONFIG_8xx_CPUCLK_DEFAULT 50000000
  42. #define CFG_8xx_CPUCLK_MIN 40000000
  43. #ifdef CONFIG_MPC852T
  44. #define CFG_8xx_CPUCLK_MAX 50000000
  45. #else
  46. #define CFG_8xx_CPUCLK_MAX 133000000
  47. #endif /* CONFIG_MPC852T */
  48. /*
  49. * BOOTP options
  50. */
  51. #define CONFIG_BOOTP_BOOTFILESIZE
  52. #define CONFIG_BOOTP_BOOTPATH
  53. #define CONFIG_BOOTP_GATEWAY
  54. #define CONFIG_BOOTP_HOSTNAME
  55. /*
  56. * Command line configuration.
  57. */
  58. #include <config_cmd_default.h>
  59. #define CONFIG_CMD_DHCP
  60. #define CONFIG_CMD_IMMAP
  61. #define CONFIG_CMD_MII
  62. #define CONFIG_CMD_PING
  63. #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */
  64. #define CONFIG_BOOTCOMMAND "bootm fe040000" /* Autoboot command */
  65. #define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=1M(ROM)ro,-(root)"
  66. #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */
  67. #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */
  68. /*-----------------------------------------------------------------------
  69. * Miscellaneous configurable options
  70. */
  71. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  72. #define CFG_HUSH_PARSER
  73. #define CFG_PROMPT_HUSH_PS2 "> "
  74. #define CFG_LONGHELP /* #undef to save memory */
  75. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  76. #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */
  77. #define CFG_MAXARGS 16 /* Max number of command args */
  78. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  79. #define CFG_LOAD_ADDR 0x400000 /* Default load address */
  80. #define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */
  81. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  82. /*-----------------------------------------------------------------------
  83. * RAM configuration (note that CFG_SDRAM_BASE must be zero)
  84. */
  85. #define CFG_SDRAM_BASE 0x00000000
  86. #define CFG_SDRAM_MAX_SIZE 0x01000000 /* Up to 16 Mbyte */
  87. #define CFG_MAMR 0x00002114
  88. /*
  89. * 4096 Up to 4096 SDRAM rows
  90. * 1000 factor s -> ms
  91. * 32 PTP (pre-divider from MPTPR)
  92. * 4 Number of refresh cycles per period
  93. * 64 Refresh cycle in ms per number of rows
  94. */
  95. #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
  96. #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
  97. #define CFG_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */
  98. #define CFG_RESET_ADDRESS 0x09900000
  99. /*-----------------------------------------------------------------------
  100. * For booting Linux, the board info and command line data
  101. * have to be in the first 8 MB of memory, since this is
  102. * the maximum mapped by the Linux kernel during initialization.
  103. */
  104. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  105. #define CFG_MONITOR_BASE TEXT_BASE
  106. #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 KB for Monitor */
  107. #ifdef CONFIG_BZIP2
  108. #define CFG_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */
  109. #else
  110. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */
  111. #endif /* CONFIG_BZIP2 */
  112. /*-----------------------------------------------------------------------
  113. * Flash organisation
  114. */
  115. #define CFG_FLASH_BASE 0xFE000000
  116. #define CFG_FLASH_CFI /* The flash is CFI compatible */
  117. #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
  118. #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
  119. #define CFG_MAX_FLASH_SECT 128 /* Max num of sects on one chip */
  120. /* Environment is in flash */
  121. #define CFG_ENV_IS_IN_FLASH
  122. #define CFG_ENV_SECT_SIZE 0x10000 /* We use one complete sector */
  123. #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
  124. #define CONFIG_ENV_OVERWRITE
  125. #define CFG_OR0_PRELIM 0xFF000774
  126. #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_16 | BR_MS_GPCM | BR_V)
  127. #define CFG_DIRECT_FLASH_TFTP
  128. /*-----------------------------------------------------------------------
  129. * Internal Memory Map Register
  130. */
  131. #define CFG_IMMR 0xFF000000
  132. /*-----------------------------------------------------------------------
  133. * Definitions for initial stack pointer and data area (in DPRAM)
  134. */
  135. #define CFG_INIT_RAM_ADDR CFG_IMMR
  136. #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  137. #define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for initial data */
  138. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  139. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  140. /*-----------------------------------------------------------------------
  141. * Configuration registers
  142. */
  143. #ifdef CONFIG_WATCHDOG
  144. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
  145. SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \
  146. SYPCR_SWP)
  147. #else
  148. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
  149. SYPCR_SWF | SYPCR_SWP)
  150. #endif /* CONFIG_WATCHDOG */
  151. #define CFG_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11)
  152. /* TBSCR - Time Base Status and Control Register */
  153. #define CFG_TBSCR (TBSCR_TBF | TBSCR_TBE)
  154. /* PISCR - Periodic Interrupt Status and Control */
  155. #define CFG_PISCR (PISCR_PS | PISCR_PITF)
  156. /* PLPRCR - PLL, Low-Power, and Reset Control Register */
  157. /* #define CFG_PLPRCR PLPRCR_TEXPS */
  158. /* SCCR - System Clock and reset Control Register */
  159. #define SCCR_MASK SCCR_EBDF11
  160. #define CFG_SCCR SCCR_RTSEL
  161. #define CFG_DER 0
  162. /*-----------------------------------------------------------------------
  163. * Cache Configuration
  164. */
  165. #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx chips */
  166. /*-----------------------------------------------------------------------
  167. * Internal Definitions
  168. *
  169. * Boot Flags
  170. */
  171. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from flash */
  172. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  173. #endif /* __CONFIG_H */