grasshopper.h 3.7 KB

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  1. /*
  2. * Copyright (C) 2011
  3. * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
  4. *
  5. * Configuration settings for the grasshopper (ICnova AP7000) board
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #ifndef __GRASSHOPPER_CONFIG_H
  10. #define __GRASSHOPPER_CONFIG_H
  11. #include <asm/arch/hardware.h>
  12. #define CONFIG_AT32AP
  13. #define CONFIG_AT32AP7000
  14. /*
  15. * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
  16. * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
  17. * PLL frequency.
  18. * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
  19. */
  20. #define CONFIG_PLL
  21. #define CONFIG_SYS_POWER_MANAGER
  22. #define CONFIG_SYS_OSC0_HZ 20000000
  23. #define CONFIG_SYS_PLL0_DIV 1
  24. #define CONFIG_SYS_PLL0_MUL 7
  25. #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
  26. /*
  27. * Set the CPU running at:
  28. * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
  29. */
  30. #define CONFIG_SYS_CLKDIV_CPU 0
  31. /*
  32. * Set the HSB running at:
  33. * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
  34. */
  35. #define CONFIG_SYS_CLKDIV_HSB 1
  36. /*
  37. * Set the PBA running at:
  38. * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
  39. */
  40. #define CONFIG_SYS_CLKDIV_PBA 2
  41. /*
  42. * Set the PBB running at:
  43. * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
  44. */
  45. #define CONFIG_SYS_CLKDIV_PBB 1
  46. /* Reserve VM regions for SDRAM and NOR flash */
  47. #define CONFIG_SYS_NR_VM_REGIONS 2
  48. /*
  49. * The PLLOPT register controls the PLL like this:
  50. * icp = PLLOPT<2>
  51. * ivco = PLLOPT<1:0>
  52. *
  53. * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
  54. */
  55. #define CONFIG_SYS_PLL0_OPT 0x04
  56. #define CONFIG_USART_BASE ATMEL_BASE_USART1
  57. #define CONFIG_USART_ID 1
  58. #define CONFIG_BOARD_EARLY_INIT_R
  59. /* User serviceable stuff */
  60. #define CONFIG_CMDLINE_TAG
  61. #define CONFIG_SETUP_MEMORY_TAGS
  62. #define CONFIG_INITRD_TAG
  63. /*
  64. * After booting the board for the first time, new ethernet addresses
  65. * should be generated and assigned to the environment variables
  66. * "ethaddr". This is normally done during production.
  67. */
  68. #define CONFIG_OVERWRITE_ETHADDR_ONCE
  69. /*
  70. * BOOTP options
  71. */
  72. #define CONFIG_BOOTP_SUBNETMASK
  73. #define CONFIG_BOOTP_GATEWAY
  74. /*
  75. * Command line configuration.
  76. */
  77. /* add useful commands */
  78. #define CONFIG_CMD_REGINFO
  79. #define CONFIG_AUTO_COMPLETE
  80. #define CONFIG_CMDLINE_EDITING
  81. #define CONFIG_ATMEL_USART
  82. #define CONFIG_MACB
  83. #define CONFIG_PORTMUX_PIO
  84. #define CONFIG_SYS_NR_PIOS 5
  85. #define CONFIG_SYS_HSDRAMC
  86. #define CONFIG_SYS_DCACHE_LINESZ 32
  87. #define CONFIG_SYS_ICACHE_LINESZ 32
  88. #define CONFIG_NR_DRAM_BANKS 1
  89. #define CONFIG_SYS_FLASH_CFI
  90. #define CONFIG_FLASH_CFI_DRIVER
  91. #define CONFIG_SYS_FLASH_BASE 0x00000000
  92. #define CONFIG_SYS_FLASH_SIZE 0x800000
  93. #define CONFIG_SYS_MAX_FLASH_BANKS 1
  94. #define CONFIG_SYS_MAX_FLASH_SECT 135
  95. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  96. #define CONFIG_SYS_TEXT_BASE 0x00000000
  97. #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
  98. #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
  99. #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
  100. #define CONFIG_ENV_IS_IN_FLASH
  101. /* place u-boot env in flash sector after u-boot */
  102. #define CONFIG_ENV_SIZE 0x10000
  103. #define CONFIG_ENV_ADDR 0x20000
  104. #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \
  105. CONFIG_SYS_INTRAM_SIZE)
  106. #define CONFIG_SYS_MALLOC_LEN (256*1024)
  107. /* Allow 4MB for the kernel run-time image */
  108. #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
  109. #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
  110. /* Other configuration settings that shouldn't have to change all that often */
  111. #define CONFIG_SYS_CBSIZE 256
  112. #define CONFIG_SYS_MAXARGS 16
  113. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
  114. sizeof(CONFIG_SYS_PROMPT) + 16)
  115. #define CONFIG_SYS_LONGHELP
  116. #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
  117. #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
  118. #endif /* __GRASSHOPPER_CONFIG_H */
  119. /* vim: set ts=8 noet: */