/*
   * (C) Copyright 2007
   * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef __FDT_SUPPORT_H
  #define __FDT_SUPPORT_H
  
  #ifdef CONFIG_OF_LIBFDT

  #include <libfdt.h>

  u32 fdt_getprop_u32_default(const void *fdt, const char *path,
  				const char *prop, const u32 dflt);

  int fdt_chosen(void *fdt, int force);

  int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);

  void do_fixup_by_path(void *fdt, const char *path, const char *prop,
  		      const void *val, int len, int create);
  void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
  			  u32 val, int create);

  
  static inline void do_fixup_by_path_string(void *fdt, const char *path,
  					   const char *prop, const char *status)
  {
  	do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
  }

  void do_fixup_by_prop(void *fdt,
  		      const char *pname, const void *pval, int plen,
  		      const char *prop, const void *val, int len,
  		      int create);
  void do_fixup_by_prop_u32(void *fdt,
  			  const char *pname, const void *pval, int plen,
  			  const char *prop, u32 val, int create);
  void do_fixup_by_compat(void *fdt, const char *compat,
  			const char *prop, const void *val, int len, int create);
  void do_fixup_by_compat_u32(void *fdt, const char *compat,
  			    const char *prop, u32 val, int create);

  int fdt_fixup_memory(void *blob, u64 start, u64 size);

  int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);

  void fdt_fixup_ethernet(void *fdt);

  int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
  			 const void *val, int len, int create);

  void fdt_fixup_qe_firmware(void *fdt);

  #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)

  void fdt_fixup_dr_usb(void *blob, bd_t *bd);
  #else
  static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}

  #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */

  #if defined(CONFIG_SYS_FSL_SEC_COMPAT)

  void fdt_fixup_crypto_node(void *blob, int sec_rev);
  #else
  static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
  #endif

  #ifdef CONFIG_PCI
  #include <pci.h>
  int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
  #endif

  void ft_board_setup(void *blob, bd_t *bd);
  void ft_cpu_setup(void *blob, bd_t *bd);
  void ft_pci_setup(void *blob, bd_t *bd);

  void set_working_fdt_addr(void *addr);

  int fdt_resize(void *blob);

  int fdt_increase_size(void *fdt, int add_len);

  int fdt_fixup_nor_flash_size(void *blob);

  void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);

  void fdt_del_node_and_alias(void *blob, const char *alias);

  u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);

  int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
  					phys_addr_t compat_off);

  int fdt_alloc_phandle(void *blob);

  int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);

  unsigned int fdt_create_phandle(void *fdt, int nodeoffset);

  int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);

  int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
  			      u64 addr);
  u64 fdt_get_base_address(void *fdt, int node);

  enum fdt_status {
  	FDT_STATUS_OKAY,
  	FDT_STATUS_DISABLED,
  	FDT_STATUS_FAIL,
  	FDT_STATUS_FAIL_ERROR_CODE,
  };
  int fdt_set_node_status(void *fdt, int nodeoffset,
  			enum fdt_status status, unsigned int error_code);
  static inline int fdt_status_okay(void *fdt, int nodeoffset)
  {
  	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
  }
  static inline int fdt_status_disabled(void *fdt, int nodeoffset)
  {
  	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
  }
  
  int fdt_set_status_by_alias(void *fdt, const char* alias,
  			    enum fdt_status status, unsigned int error_code);
  static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
  {
  	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
  }
  static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
  {
  	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
  }

  #endif /* ifdef CONFIG_OF_LIBFDT */
  #endif /* ifndef __FDT_SUPPORT_H */