openrisc-generic.h 3.4 KB

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  1. /*
  2. * (C) Copyright 2011, Stefan Kristiansson, stefan.kristianssons@saunalahti.fi
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. */
  6. #ifndef __CONFIG_H
  7. #define __CONFIG_H
  8. /*
  9. * BOARD/CPU
  10. */
  11. #define CONFIG_SYS_CLK_FREQ 50000000
  12. #define CONFIG_SYS_RESET_ADDR 0x00000100
  13. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  14. #define CONFIG_SYS_SDRAM_SIZE 0x02000000
  15. #define CONFIG_SYS_CACHELINE_SIZE 16
  16. #define CONFIG_SYS_UART_BASE 0x90000000
  17. #define CONFIG_SYS_UART_FREQ CONFIG_SYS_CLK_FREQ
  18. #define CONFIG_SYS_UART_BAUD 115200
  19. #define CONFIG_BOARD_NAME "OpenRISC Generic"
  20. #define CONFIG_SYS_NO_FLASH
  21. #define CONFIG_SYS_MAX_FLASH_SECT 0
  22. /*
  23. * SERIAL
  24. */
  25. # define CONFIG_SYS_NS16550_SERIAL
  26. # define CONFIG_SYS_NS16550_REG_SIZE 1
  27. # define CONFIG_CONS_INDEX 1
  28. # define CONFIG_SYS_NS16550_COM1 (0x90000000)
  29. # define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ
  30. #define CONFIG_BAUDRATE CONFIG_SYS_UART_BAUD
  31. #define CONFIG_SYS_BAUDRATE_TABLE {CONFIG_BAUDRATE}
  32. #define CONSOLE_ARG "console=console=ttyS0,115200\0"
  33. /*
  34. * Ethernet
  35. */
  36. #define CONFIG_SYS_ETHOC_BASE 0x92000000
  37. #define CONFIG_BOOTFILE "boot.img"
  38. #define CONFIG_LOADADDR 0x100000 /* 1MB mark */
  39. /*
  40. * TIMER
  41. */
  42. #define CONFIG_SYS_OPENRISC_TMR_HZ 100
  43. /*
  44. * Memory organisation:
  45. *
  46. * RAM start ---------------------------
  47. * | ... |
  48. * ---------------------------
  49. * | Stack |
  50. * ---------------------------
  51. * | Global data |
  52. * ---------------------------
  53. * | Environment |
  54. * ---------------------------
  55. * | Monitor |
  56. * RAM end ---------------------------
  57. */
  58. /* We're running in RAM */
  59. #define CONFIG_MONITOR_IS_IN_RAM
  60. #define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256k */
  61. #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_SDRAM_BASE + \
  62. CONFIG_SYS_SDRAM_SIZE - \
  63. CONFIG_SYS_MONITOR_LEN)
  64. #define CONFIG_ENV_IS_NOWHERE
  65. #define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment, 128KB */
  66. #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  67. /*
  68. * Global data object and stack pointer
  69. */
  70. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_ENV_ADDR \
  71. - GENERATED_GBL_DATA_SIZE)
  72. #define CONFIG_SYS_GBL_DATA_ADDR CONFIG_SYS_GBL_DATA_OFFSET
  73. #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
  74. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  75. #define CONFIG_SYS_STACK_LENGTH 0x10000 /* 64KB */
  76. #define CONFIG_SYS_MALLOC_LEN 0x400000 /* 4MB */
  77. #define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_INIT_SP_OFFSET \
  78. - CONFIG_SYS_STACK_LENGTH \
  79. - CONFIG_SYS_MALLOC_LEN)
  80. /*
  81. * MISC
  82. */
  83. #define CONFIG_SYS_LONGHELP /* Provide extended help */
  84. #define CONFIG_SYS_CBSIZE 256 /* Console I/O buf size */
  85. #define CONFIG_SYS_MAXARGS 16 /* Max command args */
  86. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Bootarg buf size */
  87. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
  88. sizeof(CONFIG_SYS_PROMPT) + \
  89. 16) /* Print buf size */
  90. #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
  91. #define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x2000)
  92. #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_INIT_SP_ADDR - 0x20000)
  93. #define CONFIG_CMDLINE_EDITING
  94. /*
  95. * Command line configuration.
  96. */
  97. #define CONFIG_CMD_IRQ
  98. #define CONFIG_CMD_BSP
  99. #define CONFIG_LMB
  100. /*
  101. * BOOTP options
  102. */
  103. #define CONFIG_BOOTP_BOOTFILESIZE
  104. #define CONFIG_BOOTP_BOOTPATH
  105. #define CONFIG_BOOTP_GATEWAY
  106. #define CONFIG_BOOTP_HOSTNAME
  107. #endif /* __CONFIG_H */