fdt_support.h 4.9 KB

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  1. /*
  2. * (C) Copyright 2007
  3. * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef __FDT_SUPPORT_H
  24. #define __FDT_SUPPORT_H
  25. #ifdef CONFIG_OF_LIBFDT
  26. #include <libfdt_env.h>
  27. #include <fdt.h>
  28. u32 fdt_getprop_u32_default(const void *fdt, const char *path,
  29. const char *prop, const u32 dflt);
  30. int fdt_chosen(void *fdt, int force);
  31. int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
  32. void do_fixup_by_path(void *fdt, const char *path, const char *prop,
  33. const void *val, int len, int create);
  34. void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
  35. u32 val, int create);
  36. static inline void do_fixup_by_path_string(void *fdt, const char *path,
  37. const char *prop, const char *status)
  38. {
  39. do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
  40. }
  41. void do_fixup_by_prop(void *fdt,
  42. const char *pname, const void *pval, int plen,
  43. const char *prop, const void *val, int len,
  44. int create);
  45. void do_fixup_by_prop_u32(void *fdt,
  46. const char *pname, const void *pval, int plen,
  47. const char *prop, u32 val, int create);
  48. void do_fixup_by_compat(void *fdt, const char *compat,
  49. const char *prop, const void *val, int len, int create);
  50. void do_fixup_by_compat_u32(void *fdt, const char *compat,
  51. const char *prop, u32 val, int create);
  52. int fdt_fixup_memory(void *blob, u64 start, u64 size);
  53. int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
  54. void fdt_fixup_ethernet(void *fdt);
  55. int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
  56. const void *val, int len, int create);
  57. void fdt_fixup_qe_firmware(void *fdt);
  58. #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
  59. void fdt_fixup_dr_usb(void *blob, bd_t *bd);
  60. #else
  61. static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
  62. #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
  63. #if defined(CONFIG_SYS_FSL_SEC_COMPAT)
  64. void fdt_fixup_crypto_node(void *blob, int sec_rev);
  65. #else
  66. static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
  67. #endif
  68. #ifdef CONFIG_PCI
  69. #include <pci.h>
  70. int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
  71. #endif
  72. #ifdef CONFIG_OF_BOARD_SETUP
  73. void ft_board_setup(void *blob, bd_t *bd);
  74. void ft_cpu_setup(void *blob, bd_t *bd);
  75. void ft_pci_setup(void *blob, bd_t *bd);
  76. #endif
  77. void set_working_fdt_addr(void *addr);
  78. int fdt_resize(void *blob);
  79. int fdt_increase_size(void *fdt, int add_len);
  80. int fdt_fixup_nor_flash_size(void *blob);
  81. void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
  82. void fdt_del_node_and_alias(void *blob, const char *alias);
  83. u64 fdt_translate_address(void *blob, int node_offset, const u32 *in_addr);
  84. int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
  85. phys_addr_t compat_off);
  86. int fdt_alloc_phandle(void *blob);
  87. int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
  88. unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
  89. int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
  90. int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
  91. u64 addr);
  92. u64 fdt_get_base_address(void *fdt, int node);
  93. enum fdt_status {
  94. FDT_STATUS_OKAY,
  95. FDT_STATUS_DISABLED,
  96. FDT_STATUS_FAIL,
  97. FDT_STATUS_FAIL_ERROR_CODE,
  98. };
  99. int fdt_set_node_status(void *fdt, int nodeoffset,
  100. enum fdt_status status, unsigned int error_code);
  101. static inline int fdt_status_okay(void *fdt, int nodeoffset)
  102. {
  103. return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
  104. }
  105. static inline int fdt_status_disabled(void *fdt, int nodeoffset)
  106. {
  107. return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
  108. }
  109. int fdt_set_status_by_alias(void *fdt, const char* alias,
  110. enum fdt_status status, unsigned int error_code);
  111. static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
  112. {
  113. return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
  114. }
  115. static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
  116. {
  117. return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
  118. }
  119. #endif /* ifdef CONFIG_OF_LIBFDT */
  120. #endif /* ifndef __FDT_SUPPORT_H */