3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __FDT_SUPPORT_H
9 #define __FDT_SUPPORT_H
11 #ifdef CONFIG_OF_LIBFDT
15 u32 fdt_getprop_u32_default(const void *fdt, const char *path,
16 const char *prop, const u32 dflt);
17 int fdt_chosen(void *fdt, int force);
18 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
19 void do_fixup_by_path(void *fdt, const char *path, const char *prop,
20 const void *val, int len, int create);
21 void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
24 static inline void do_fixup_by_path_string(void *fdt, const char *path,
25 const char *prop, const char *status)
27 do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
30 void do_fixup_by_prop(void *fdt,
31 const char *pname, const void *pval, int plen,
32 const char *prop, const void *val, int len,
34 void do_fixup_by_prop_u32(void *fdt,
35 const char *pname, const void *pval, int plen,
36 const char *prop, u32 val, int create);
37 void do_fixup_by_compat(void *fdt, const char *compat,
38 const char *prop, const void *val, int len, int create);
39 void do_fixup_by_compat_u32(void *fdt, const char *compat,
40 const char *prop, u32 val, int create);
41 int fdt_fixup_memory(void *blob, u64 start, u64 size);
42 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
43 void fdt_fixup_ethernet(void *fdt);
44 int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
45 const void *val, int len, int create);
46 void fdt_fixup_qe_firmware(void *fdt);
48 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
49 void fdt_fixup_dr_usb(void *blob, bd_t *bd);
51 static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
52 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
54 #if defined(CONFIG_SYS_FSL_SEC_COMPAT)
55 void fdt_fixup_crypto_node(void *blob, int sec_rev);
57 static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
62 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
65 void ft_board_setup(void *blob, bd_t *bd);
66 void ft_cpu_setup(void *blob, bd_t *bd);
67 void ft_pci_setup(void *blob, bd_t *bd);
69 void set_working_fdt_addr(void *addr);
70 int fdt_resize(void *blob);
71 int fdt_increase_size(void *fdt, int add_len);
73 int fdt_fixup_nor_flash_size(void *blob);
75 void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
76 void fdt_del_node_and_alias(void *blob, const char *alias);
77 u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
78 int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
79 phys_addr_t compat_off);
80 int fdt_alloc_phandle(void *blob);
81 int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
82 unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
83 int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
85 int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
87 u64 fdt_get_base_address(void *fdt, int node);
93 FDT_STATUS_FAIL_ERROR_CODE,
95 int fdt_set_node_status(void *fdt, int nodeoffset,
96 enum fdt_status status, unsigned int error_code);
97 static inline int fdt_status_okay(void *fdt, int nodeoffset)
99 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
101 static inline int fdt_status_disabled(void *fdt, int nodeoffset)
103 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
106 int fdt_set_status_by_alias(void *fdt, const char* alias,
107 enum fdt_status status, unsigned int error_code);
108 static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
110 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
112 static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
114 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
117 #endif /* ifdef CONFIG_OF_LIBFDT */
120 int fdtdec_get_int(const void *blob, int node, const char *prop_name,
123 #endif /* ifndef __FDT_SUPPORT_H */