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_node(const void *fdt
, int off
, int cell
,
16 const char *prop
, const u32 dflt
);
17 u32
fdt_getprop_u32_default(const void *fdt
, const char *path
,
18 const char *prop
, const u32 dflt
);
19 int fdt_chosen(void *fdt
);
20 int fdt_initrd(void *fdt
, ulong initrd_start
, ulong initrd_end
);
21 void do_fixup_by_path(void *fdt
, const char *path
, const char *prop
,
22 const void *val
, int len
, int create
);
23 void do_fixup_by_path_u32(void *fdt
, const char *path
, const char *prop
,
26 static inline void do_fixup_by_path_string(void *fdt
, const char *path
,
27 const char *prop
, const char *status
)
29 do_fixup_by_path(fdt
, path
, prop
, status
, strlen(status
) + 1, 1);
32 void do_fixup_by_prop(void *fdt
,
33 const char *pname
, const void *pval
, int plen
,
34 const char *prop
, const void *val
, int len
,
36 void do_fixup_by_prop_u32(void *fdt
,
37 const char *pname
, const void *pval
, int plen
,
38 const char *prop
, u32 val
, int create
);
39 void do_fixup_by_compat(void *fdt
, const char *compat
,
40 const char *prop
, const void *val
, int len
, int create
);
41 void do_fixup_by_compat_u32(void *fdt
, const char *compat
,
42 const char *prop
, u32 val
, int create
);
43 int fdt_fixup_memory(void *blob
, u64 start
, u64 size
);
44 int fdt_fixup_memory_banks(void *blob
, u64 start
[], u64 size
[], int banks
);
45 void fdt_fixup_ethernet(void *fdt
);
46 int fdt_find_and_setprop(void *fdt
, const char *node
, const char *prop
,
47 const void *val
, int len
, int create
);
48 void fdt_fixup_qe_firmware(void *fdt
);
50 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
51 void fdt_fixup_dr_usb(void *blob
, bd_t
*bd
);
53 static inline void fdt_fixup_dr_usb(void *blob
, bd_t
*bd
) {}
54 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
56 #if defined(CONFIG_SYS_FSL_SEC_COMPAT)
57 void fdt_fixup_crypto_node(void *blob
, int sec_rev
);
59 static inline void fdt_fixup_crypto_node(void *blob
, int sec_rev
) {}
64 int fdt_pci_dma_ranges(void *blob
, int phb_off
, struct pci_controller
*hose
);
67 void ft_board_setup(void *blob
, bd_t
*bd
);
69 * The keystone2 SOC requires all 32 bit aliased addresses to be converted
70 * to their 36 physical format. This has to happen after all fdt nodes
71 * are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
72 * called at the end of the image_setup_libfdt() is to do that convertion.
74 void ft_board_setup_ex(void *blob
, bd_t
*bd
);
75 void ft_cpu_setup(void *blob
, bd_t
*bd
);
76 void ft_pci_setup(void *blob
, bd_t
*bd
);
78 void set_working_fdt_addr(void *addr
);
79 int fdt_shrink_to_minimum(void *blob
);
80 int fdt_increase_size(void *fdt
, int add_len
);
82 int fdt_fixup_nor_flash_size(void *blob
);
84 void fdt_fixup_mtdparts(void *fdt
, void *node_info
, int node_info_size
);
85 void fdt_del_node_and_alias(void *blob
, const char *alias
);
86 u64
fdt_translate_address(void *blob
, int node_offset
, const __be32
*in_addr
);
87 int fdt_node_offset_by_compat_reg(void *blob
, const char *compat
,
88 phys_addr_t compat_off
);
89 int fdt_alloc_phandle(void *blob
);
90 int fdt_set_phandle(void *fdt
, int nodeoffset
, uint32_t phandle
);
91 unsigned int fdt_create_phandle(void *fdt
, int nodeoffset
);
92 int fdt_add_edid(void *blob
, const char *compat
, unsigned char *buf
);
94 int fdt_verify_alias_address(void *fdt
, int anode
, const char *alias
,
96 u64
fdt_get_base_address(void *fdt
, int node
);
97 int fdt_read_range(void *fdt
, int node
, int n
, uint64_t *child_addr
,
98 uint64_t *addr
, uint64_t *len
);
104 FDT_STATUS_FAIL_ERROR_CODE
,
106 int fdt_set_node_status(void *fdt
, int nodeoffset
,
107 enum fdt_status status
, unsigned int error_code
);
108 static inline int fdt_status_okay(void *fdt
, int nodeoffset
)
110 return fdt_set_node_status(fdt
, nodeoffset
, FDT_STATUS_OKAY
, 0);
112 static inline int fdt_status_disabled(void *fdt
, int nodeoffset
)
114 return fdt_set_node_status(fdt
, nodeoffset
, FDT_STATUS_DISABLED
, 0);
116 static inline int fdt_status_fail(void *fdt
, int nodeoffset
)
118 return fdt_set_node_status(fdt
, nodeoffset
, FDT_STATUS_FAIL
, 0);
121 int fdt_set_status_by_alias(void *fdt
, const char *alias
,
122 enum fdt_status status
, unsigned int error_code
);
123 static inline int fdt_status_okay_by_alias(void *fdt
, const char *alias
)
125 return fdt_set_status_by_alias(fdt
, alias
, FDT_STATUS_OKAY
, 0);
127 static inline int fdt_status_disabled_by_alias(void *fdt
, const char *alias
)
129 return fdt_set_status_by_alias(fdt
, alias
, FDT_STATUS_DISABLED
, 0);
131 static inline int fdt_status_fail_by_alias(void *fdt
, const char *alias
)
133 return fdt_set_status_by_alias(fdt
, alias
, FDT_STATUS_FAIL
, 0);
136 /* Helper to read a big number; size is in cells (not bytes) */
137 static inline u64
of_read_number(const fdt32_t
*cell
, int size
)
141 r
= (r
<< 32) | fdt32_to_cpu(*(cell
++));
145 void of_bus_default_count_cells(void *blob
, int parentoffset
,
146 int *addrc
, int *sizec
);
147 int ft_verify_fdt(void *fdt
);
148 int arch_fixup_memory_node(void *blob
);
150 #endif /* ifdef CONFIG_OF_LIBFDT */
153 int fdtdec_get_int(const void *blob
, int node
, const char *prop_name
,
156 #endif /* ifndef __FDT_SUPPORT_H */