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);
67 * The keystone2 SOC requires all 32 bit aliased addresses to be converted
68 * to their 36 physical format. This has to happen after all fdt nodes
69 * are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
70 * called at the end of the image_setup_libfdt() is to do that convertion.
72 void ft_board_setup_ex(void *blob, bd_t *bd);
73 void ft_cpu_setup(void *blob, bd_t *bd);
74 void ft_pci_setup(void *blob, bd_t *bd);
76 void set_working_fdt_addr(void *addr);
77 int fdt_resize(void *blob);
78 int fdt_increase_size(void *fdt, int add_len);
80 int fdt_fixup_nor_flash_size(void *blob);
82 void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
83 void fdt_del_node_and_alias(void *blob, const char *alias);
84 u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
85 int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
86 phys_addr_t compat_off);
87 int fdt_alloc_phandle(void *blob);
88 int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
89 unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
90 int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
92 int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
94 u64 fdt_get_base_address(void *fdt, int node);
100 FDT_STATUS_FAIL_ERROR_CODE,
102 int fdt_set_node_status(void *fdt, int nodeoffset,
103 enum fdt_status status, unsigned int error_code);
104 static inline int fdt_status_okay(void *fdt, int nodeoffset)
106 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
108 static inline int fdt_status_disabled(void *fdt, int nodeoffset)
110 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
113 int fdt_set_status_by_alias(void *fdt, const char* alias,
114 enum fdt_status status, unsigned int error_code);
115 static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
117 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
119 static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
121 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
124 #endif /* ifdef CONFIG_OF_LIBFDT */
125 #endif /* ifndef __FDT_SUPPORT_H */