EP88x.h 7.3 KB

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  1. /*
  2. * Copyright (C) 2005 Arabella Software Ltd.
  3. * Yuli Barcohen <yuli@arabellasw.com>
  4. *
  5. * Support for Embedded Planet EP88x boards.
  6. * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
  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. #define CONFIG_MPC885
  29. #define CONFIG_EP88X /* Embedded Planet EP88x board */
  30. #define CONFIG_SYS_TEXT_BASE 0xFC000000
  31. #define CONFIG_BOARD_EARLY_INIT_F /* Call board_early_init_f */
  32. /* Allow serial number (serial#) and MAC address (ethaddr) to be overwritten */
  33. #define CONFIG_ENV_OVERWRITE
  34. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  35. #define CONFIG_BAUDRATE 38400
  36. #define CONFIG_ETHER_ON_FEC1 /* Enable Ethernet on FEC1 */
  37. #define CONFIG_ETHER_ON_FEC2 /* Enable Ethernet on FEC2 */
  38. #if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2)
  39. #define CONFIG_SYS_DISCOVER_PHY
  40. #define CONFIG_MII_INIT 1
  41. #define FEC_ENET
  42. #endif /* CONFIG_FEC_ENET */
  43. #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
  44. #define CONFIG_8xx_CPUCLK_DEFAULT 100000000
  45. #define CONFIG_SYS_8xx_CPUCLK_MIN 40000000
  46. #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000
  47. /*
  48. * BOOTP options
  49. */
  50. #define CONFIG_BOOTP_BOOTFILESIZE
  51. #define CONFIG_BOOTP_BOOTPATH
  52. #define CONFIG_BOOTP_GATEWAY
  53. #define CONFIG_BOOTP_HOSTNAME
  54. /*
  55. * Command line configuration.
  56. */
  57. #include <config_cmd_default.h>
  58. #define CONFIG_CMD_DHCP
  59. #define CONFIG_CMD_IMMAP
  60. #define CONFIG_CMD_MII
  61. #define CONFIG_CMD_PING
  62. #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */
  63. #define CONFIG_BOOTCOMMAND "bootm fe060000" /* Autoboot command */
  64. #define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)"
  65. #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */
  66. #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */
  67. /*-----------------------------------------------------------------------
  68. * Miscellaneous configurable options
  69. */
  70. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  71. #define CONFIG_SYS_HUSH_PARSER
  72. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  73. #define CONFIG_SYS_LONGHELP /* #undef to save memory */
  74. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  75. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size */
  76. #define CONFIG_SYS_MAXARGS 16 /* Max number of command args */
  77. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  78. #define CONFIG_SYS_LOAD_ADDR 0x400000 /* Default load address */
  79. #define CONFIG_SYS_HZ 1000 /* Decrementer freq: 1 ms ticks */
  80. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  81. /*-----------------------------------------------------------------------
  82. * RAM configuration (note that CONFIG_SYS_SDRAM_BASE must be zero)
  83. */
  84. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  85. #define CONFIG_SYS_SDRAM_MAX_SIZE 0x08000000 /* Up to 128 Mbyte */
  86. #define CONFIG_SYS_MAMR 0x00805000
  87. /*
  88. * 4096 Up to 4096 SDRAM rows
  89. * 1000 factor s -> ms
  90. * 32 PTP (pre-divider from MPTPR)
  91. * 4 Number of refresh cycles per period
  92. * 64 Refresh cycle in ms per number of rows
  93. */
  94. #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
  95. #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
  96. #define CONFIG_SYS_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */
  97. #define CONFIG_SYS_RESET_ADDRESS 0x09900000
  98. /*-----------------------------------------------------------------------
  99. * For booting Linux, the board info and command line data
  100. * have to be in the first 8 MB of memory, since this is
  101. * the maximum mapped by the Linux kernel during initialization.
  102. */
  103. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  104. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
  105. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 KB for Monitor */
  106. #ifdef CONFIG_BZIP2
  107. #define CONFIG_SYS_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */
  108. #else
  109. #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */
  110. #endif /* CONFIG_BZIP2 */
  111. /*-----------------------------------------------------------------------
  112. * Flash organisation
  113. */
  114. #define CONFIG_SYS_FLASH_BASE 0xFC000000
  115. #define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
  116. #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
  117. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* Max number of flash banks */
  118. #define CONFIG_SYS_MAX_FLASH_SECT 512 /* Max num of sects on one chip */
  119. /* Environment is in flash */
  120. #define CONFIG_ENV_IS_IN_FLASH
  121. #define CONFIG_ENV_SECT_SIZE 0x20000 /* We use one complete sector */
  122. #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
  123. #define CONFIG_SYS_OR0_PRELIM 0xFC000160
  124. #define CONFIG_SYS_BR0_PRELIM (CONFIG_SYS_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V)
  125. #define CONFIG_SYS_DIRECT_FLASH_TFTP
  126. /*-----------------------------------------------------------------------
  127. * BCSR
  128. */
  129. #define CONFIG_SYS_OR3_PRELIM 0xFF0005B0
  130. #define CONFIG_SYS_BR3_PRELIM (0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V)
  131. #define CONFIG_SYS_BCSR 0xFA400000
  132. /*-----------------------------------------------------------------------
  133. * Internal Memory Map Register
  134. */
  135. #define CONFIG_SYS_IMMR 0xF0000000
  136. /*-----------------------------------------------------------------------
  137. * Definitions for initial stack pointer and data area (in DPRAM)
  138. */
  139. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  140. #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  141. #define CONFIG_SYS_GBL_DATA_SIZE 128 /* Size in bytes reserved for initial data */
  142. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  143. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  144. /*-----------------------------------------------------------------------
  145. * Configuration registers
  146. */
  147. #ifdef CONFIG_WATCHDOG
  148. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
  149. SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \
  150. SYPCR_SWP)
  151. #else
  152. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
  153. SYPCR_SWF | SYPCR_SWP)
  154. #endif /* CONFIG_WATCHDOG */
  155. #define CONFIG_SYS_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11)
  156. /* TBSCR - Time Base Status and Control Register */
  157. #define CONFIG_SYS_TBSCR (TBSCR_TBF | TBSCR_TBE)
  158. /* PISCR - Periodic Interrupt Status and Control */
  159. #define CONFIG_SYS_PISCR PISCR_PS
  160. /* SCCR - System Clock and reset Control Register */
  161. #define SCCR_MASK SCCR_EBDF11
  162. #define CONFIG_SYS_SCCR SCCR_RTSEL
  163. #define CONFIG_SYS_DER 0
  164. /*-----------------------------------------------------------------------
  165. * Cache Configuration
  166. */
  167. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx chips */
  168. #endif /* __CONFIG_H */