gazerbeam.h 3.7 KB

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  1. /*
  2. * (C) Copyright 2015
  3. * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
  4. *
  5. *
  6. * SPDX-License-Identifier: GPL-2.0+
  7. */
  8. #ifndef __CONFIG_H
  9. #define __CONFIG_H
  10. /*
  11. * DDR Setup
  12. */
  13. #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* DDR is system memory */
  14. /* TODO: Check: Can this be unified with CONFIG_SYS_SDRAM_BASE? */
  15. #define CONFIG_SYS_DDR_SDRAM_BASE CONFIG_SYS_SDRAM_BASE
  16. /*
  17. * Memory test
  18. * TODO: Migrate!
  19. */
  20. /*
  21. * The reserved memory
  22. */
  23. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */
  24. #define CONFIG_SYS_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Mon */
  25. #define CONFIG_SYS_MALLOC_LEN (512 * 1024) /* Reserved for malloc */
  26. /*
  27. * Initial RAM Base Address Setup
  28. */
  29. #define CONFIG_SYS_INIT_RAM_LOCK
  30. #define CONFIG_SYS_INIT_RAM_ADDR 0xE6000000 /* Initial RAM address */
  31. #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in RAM */
  32. #define CONFIG_SYS_GBL_DATA_OFFSET \
  33. (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  34. /*
  35. * FLASH on the Local Bus
  36. */
  37. #define CONFIG_SYS_FLASH_BASE 0xFE000000 /* FLASH base address */
  38. #define CONFIG_SYS_FLASH_SIZE 8 /* FLASH size is up to 8M */
  39. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */
  40. #define CONFIG_SYS_MAX_FLASH_SECT 135
  41. #define CONFIG_SYS_BAUDRATE_TABLE \
  42. {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
  43. /*
  44. * Environment
  45. */
  46. #define CONFIG_LOADS_ECHO /* echo on for serial download */
  47. #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
  48. /*
  49. * Miscellaneous configurable options
  50. */
  51. #define CONFIG_SYS_LOAD_ADDR 0x2000000 /* default load address */
  52. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1ms ticks */
  53. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  54. /* Print Buffer Size */
  55. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  56. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  57. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
  58. /*
  59. * For booting Linux, the board info and command line data
  60. * have to be in the first 256 MB of memory, since this is
  61. * the maximum mapped by the Linux kernel during initialization.
  62. */
  63. #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* Initial Memory map for Linux */
  64. /*
  65. * Environment Configuration
  66. */
  67. #define CONFIG_HAS_ETH0
  68. #define CONFIG_HAS_ETH1
  69. #define CONFIG_LOADADDR 800000 /* default location for tftp and bootm */
  70. /* TODO: Turn into string option and migrate to Kconfig */
  71. #define CONFIG_HOSTNAME "gazerbeam"
  72. #define CONFIG_ROOTPATH "/opt/nfsroot"
  73. #define CONFIG_BOOTFILE "uImage"
  74. #define CONFIG_EXTRA_ENV_SETTINGS \
  75. "netdev=eth0\0" \
  76. "consoledev=ttyS1\0" \
  77. "u-boot=u-boot.bin\0" \
  78. "kernel_addr=1000000\0" \
  79. "fdt_addr=C00000\0" \
  80. "fdtfile=hrcon.dtb\0" \
  81. "load=tftp ${loadaddr} ${u-boot}\0" \
  82. "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) \
  83. " +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\
  84. " +${filesize};cp.b ${fileaddr} " \
  85. __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
  86. "upd=run load update\0" \
  87. #define CONFIG_NFSBOOTCOMMAND \
  88. "setenv bootargs root=/dev/nfs rw " \
  89. "nfsroot=$serverip:$rootpath " \
  90. "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
  91. "console=$consoledev,$baudrate $othbootargs;" \
  92. "tftp ${kernel_addr} $bootfile;" \
  93. "tftp ${fdt_addr} $fdtfile;" \
  94. "bootm ${kernel_addr} - ${fdt_addr}"
  95. #define CONFIG_MMCBOOTCOMMAND \
  96. "setenv bootargs root=/dev/mmcblk0p3 rw rootwait " \
  97. "console=$consoledev,$baudrate $othbootargs;" \
  98. "ext2load mmc 0:2 ${kernel_addr} $bootfile;" \
  99. "ext2load mmc 0:2 ${fdt_addr} $fdtfile;" \
  100. "bootm ${kernel_addr} - ${fdt_addr}"
  101. #define CONFIG_BOOTCOMMAND CONFIG_MMCBOOTCOMMAND
  102. #endif /* __CONFIG_H */