bootinfo.h 3.7 KB

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  1. /*
  2. * This file is subject to the terms and conditions of the GNU General Public
  3. * License. See the file COPYING in the main directory of this archive
  4. * for more details.
  5. *
  6. * Copyright (C) 1995, 1996, 2003 by Ralf Baechle
  7. * Copyright (C) 1995, 1996 Andreas Busse
  8. * Copyright (C) 1995, 1996 Stoned Elipot
  9. * Copyright (C) 1995, 1996 Paul M. Antoine.
  10. * Copyright (C) 2009 Zhang Le
  11. */
  12. #ifndef _ASM_BOOTINFO_H
  13. #define _ASM_BOOTINFO_H
  14. #include <linux/types.h>
  15. #include <asm/setup.h>
  16. /*
  17. * The MACH_ IDs are sort of equivalent to PCI product IDs. As such the
  18. * numbers do not necessarily reflect technical relations or similarities
  19. * between systems.
  20. */
  21. /*
  22. * Valid machtype values for group unknown
  23. */
  24. #define MACH_UNKNOWN 0 /* whatever... */
  25. /*
  26. * Valid machtype for group DEC
  27. */
  28. #define MACH_DSUNKNOWN 0
  29. #define MACH_DS23100 1 /* DECstation 2100 or 3100 */
  30. #define MACH_DS5100 2 /* DECsystem 5100 */
  31. #define MACH_DS5000_200 3 /* DECstation 5000/200 */
  32. #define MACH_DS5000_1XX 4 /* DECstation 5000/120, 125, 133, 150 */
  33. #define MACH_DS5000_XX 5 /* DECstation 5000/20, 25, 33, 50 */
  34. #define MACH_DS5000_2X0 6 /* DECstation 5000/240, 260 */
  35. #define MACH_DS5400 7 /* DECsystem 5400 */
  36. #define MACH_DS5500 8 /* DECsystem 5500 */
  37. #define MACH_DS5800 9 /* DECsystem 5800 */
  38. #define MACH_DS5900 10 /* DECsystem 5900 */
  39. /*
  40. * Valid machtype for group PMC-MSP
  41. */
  42. #define MACH_MSP4200_EVAL 0 /* PMC-Sierra MSP4200 Evaluation */
  43. #define MACH_MSP4200_GW 1 /* PMC-Sierra MSP4200 Gateway demo */
  44. #define MACH_MSP4200_FPGA 2 /* PMC-Sierra MSP4200 Emulation */
  45. #define MACH_MSP7120_EVAL 3 /* PMC-Sierra MSP7120 Evaluation */
  46. #define MACH_MSP7120_GW 4 /* PMC-Sierra MSP7120 Residential GW */
  47. #define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
  48. #define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */
  49. /*
  50. * Valid machtype for group Mikrotik
  51. */
  52. #define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
  53. #define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */
  54. /*
  55. * Valid machtype for Loongson family
  56. */
  57. #define MACH_LOONGSON_UNKNOWN 0
  58. #define MACH_LEMOTE_FL2E 1
  59. #define MACH_LEMOTE_FL2F 2
  60. #define MACH_LEMOTE_ML2F7 3
  61. #define MACH_LEMOTE_YL2F89 4
  62. #define MACH_DEXXON_GDIUM2F10 5
  63. #define MACH_LEMOTE_NAS 6
  64. #define MACH_LEMOTE_LL2F 7
  65. #define MACH_LOONGSON_END 8
  66. /*
  67. * Valid machtype for group INGENIC
  68. */
  69. #define MACH_INGENIC_JZ4730 0 /* JZ4730 SOC */
  70. #define MACH_INGENIC_JZ4740 1 /* JZ4740 SOC */
  71. extern char *system_type;
  72. const char *get_system_type(void);
  73. extern unsigned long mips_machtype;
  74. #define BOOT_MEM_MAP_MAX 32
  75. #define BOOT_MEM_RAM 1
  76. #define BOOT_MEM_ROM_DATA 2
  77. #define BOOT_MEM_RESERVED 3
  78. /*
  79. * A memory map that's built upon what was determined
  80. * or specified on the command line.
  81. */
  82. struct boot_mem_map {
  83. int nr_map;
  84. struct boot_mem_map_entry {
  85. phys_t addr; /* start of memory segment */
  86. phys_t size; /* size of memory segment */
  87. long type; /* type of memory segment */
  88. } map[BOOT_MEM_MAP_MAX];
  89. };
  90. extern struct boot_mem_map boot_mem_map;
  91. extern void add_memory_region(phys_t start, phys_t size, long type);
  92. extern void prom_init(void);
  93. extern void prom_free_prom_memory(void);
  94. extern void free_init_pages(const char *what,
  95. unsigned long begin, unsigned long end);
  96. /*
  97. * Initial kernel command line, usually setup by prom_init()
  98. */
  99. extern char arcs_cmdline[COMMAND_LINE_SIZE];
  100. /*
  101. * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
  102. */
  103. extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
  104. /*
  105. * Platform memory detection hook called by setup_arch
  106. */
  107. extern void plat_mem_setup(void);
  108. #endif /* _ASM_BOOTINFO_H */