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Commit | Line | Data |
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64dbbd40 GVB |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
64dbbd40 GVB |
6 | */ |
7 | ||
8 | #ifndef __FDT_SUPPORT_H | |
9 | #define __FDT_SUPPORT_H | |
10 | ||
11 | #ifdef CONFIG_OF_LIBFDT | |
12 | ||
58864ddc | 13 | #include <libfdt.h> |
64dbbd40 | 14 | |
94fb182c AG |
15 | u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell, |
16 | const char *prop, const u32 dflt); | |
07e12784 GB |
17 | u32 fdt_getprop_u32_default(const void *fdt, const char *path, |
18 | const char *prop, const u32 dflt); | |
bc6ed0f9 | 19 | int fdt_chosen(void *fdt); |
dbe963ae | 20 | int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end); |
e93becf8 KG |
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, | |
24 | u32 val, int create); | |
8ddb10ea CL |
25 | |
26 | static inline void do_fixup_by_path_string(void *fdt, const char *path, | |
27 | const char *prop, const char *status) | |
28 | { | |
29 | do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1); | |
30 | } | |
31 | ||
9eb77cea KG |
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, | |
35 | int create); | |
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); | |
3c927281 | 43 | int fdt_fixup_memory(void *blob, u64 start, u64 size); |
a6bd9e83 | 44 | int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks); |
ba37aa03 | 45 | void fdt_fixup_ethernet(void *fdt); |
22fb2246 MF |
46 | int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, |
47 | const void *val, int len, int create); | |
b8ec2385 | 48 | void fdt_fixup_qe_firmware(void *fdt); |
64dbbd40 | 49 | |
08daa258 TH |
50 | /** |
51 | * Update native-mode property of display-timings node to the phandle | |
52 | * of the timings matching a display by name (case insensitive). | |
53 | * | |
54 | * see kernel Documentation/devicetree/bindings/video/display-timing.txt | |
55 | * | |
56 | * @param blob FDT blob to update | |
57 | * @param path path within dt | |
58 | * @param display name of display timing to match | |
59 | * @return 0 if ok, or -FDT_ERR_... on error | |
60 | */ | |
61 | int fdt_fixup_display(void *blob, const char *path, const char *display); | |
62 | ||
79f49120 | 63 | #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) |
18e69a35 AV |
64 | void fdt_fixup_dr_usb(void *blob, bd_t *bd); |
65 | #else | |
66 | static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {} | |
79f49120 | 67 | #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */ |
18e69a35 | 68 | |
929a2138 | 69 | #if defined(CONFIG_SYS_FSL_SEC_COMPAT) |
6b70ffb9 KP |
70 | void fdt_fixup_crypto_node(void *blob, int sec_rev); |
71 | #else | |
72 | static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} | |
73 | #endif | |
74 | ||
8ab451c4 KG |
75 | #ifdef CONFIG_PCI |
76 | #include <pci.h> | |
77 | int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); | |
78 | #endif | |
79 | ||
a9e8e291 SG |
80 | int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name); |
81 | ||
e895a4b0 SG |
82 | /** |
83 | * Add board-specific data to the FDT before booting the OS. | |
84 | * | |
85 | * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space. | |
6f4dbc21 | 86 | * This function is called if CONFIG_OF_BOARD_SETUP is defined |
e895a4b0 SG |
87 | * |
88 | * @param blob FDT blob to update | |
89 | * @param bd_t Pointer to board data | |
90 | * @return 0 if ok, or -FDT_ERR_... on error | |
91 | */ | |
92 | int ft_board_setup(void *blob, bd_t *bd); | |
93 | ||
00c200f1 VA |
94 | /* |
95 | * The keystone2 SOC requires all 32 bit aliased addresses to be converted | |
96 | * to their 36 physical format. This has to happen after all fdt nodes | |
97 | * are added or modified by the image_setup_libfdt(). The ft_board_setup_ex() | |
98 | * called at the end of the image_setup_libfdt() is to do that convertion. | |
99 | */ | |
100 | void ft_board_setup_ex(void *blob, bd_t *bd); | |
e125a2ff GVB |
101 | void ft_cpu_setup(void *blob, bd_t *bd); |
102 | void ft_pci_setup(void *blob, bd_t *bd); | |
e125a2ff | 103 | |
c654b517 SG |
104 | /** |
105 | * Add system-specific data to the FDT before booting the OS. | |
106 | * | |
107 | * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space. | |
108 | * This function is called if CONFIG_OF_SYSTEM_SETUP is defined | |
109 | * | |
110 | * @param blob FDT blob to update | |
111 | * @param bd_t Pointer to board data | |
112 | * @return 0 if ok, or -FDT_ERR_... on error | |
113 | */ | |
114 | int ft_system_setup(void *blob, bd_t *bd); | |
115 | ||
90fbee3e | 116 | void set_working_fdt_addr(ulong addr); |
5bf58ccc | 117 | int fdt_shrink_to_minimum(void *blob); |
b3606f14 | 118 | int fdt_increase_size(void *fdt, int add_len); |
54f9c866 | 119 | |
8a805df1 | 120 | int fdt_fixup_nor_flash_size(void *blob); |
30d45c0d | 121 | |
3c950e2e | 122 | void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size); |
49b97d9c | 123 | void fdt_del_node_and_alias(void *blob, const char *alias); |
8aa5ec6e | 124 | u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr); |
75e73afd KG |
125 | int fdt_node_offset_by_compat_reg(void *blob, const char *compat, |
126 | phys_addr_t compat_off); | |
b4b847e9 | 127 | int fdt_alloc_phandle(void *blob); |
f117c0f0 | 128 | int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle); |
3c927ccc | 129 | unsigned int fdt_create_phandle(void *fdt, int nodeoffset); |
beca5a5f | 130 | int fdt_add_edid(void *blob, const char *compat, unsigned char *buf); |
3c950e2e | 131 | |
bb682001 TT |
132 | int fdt_verify_alias_address(void *fdt, int anode, const char *alias, |
133 | u64 addr); | |
134 | u64 fdt_get_base_address(void *fdt, int node); | |
c48e6868 AG |
135 | int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr, |
136 | uint64_t *addr, uint64_t *len); | |
bb682001 | 137 | |
2a523f52 SL |
138 | enum fdt_status { |
139 | FDT_STATUS_OKAY, | |
140 | FDT_STATUS_DISABLED, | |
141 | FDT_STATUS_FAIL, | |
142 | FDT_STATUS_FAIL_ERROR_CODE, | |
143 | }; | |
144 | int fdt_set_node_status(void *fdt, int nodeoffset, | |
145 | enum fdt_status status, unsigned int error_code); | |
146 | static inline int fdt_status_okay(void *fdt, int nodeoffset) | |
147 | { | |
148 | return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0); | |
149 | } | |
150 | static inline int fdt_status_disabled(void *fdt, int nodeoffset) | |
151 | { | |
152 | return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0); | |
153 | } | |
b940ca64 GR |
154 | static inline int fdt_status_fail(void *fdt, int nodeoffset) |
155 | { | |
156 | return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0); | |
157 | } | |
2a523f52 | 158 | |
b940ca64 | 159 | int fdt_set_status_by_alias(void *fdt, const char *alias, |
2a523f52 | 160 | enum fdt_status status, unsigned int error_code); |
b940ca64 | 161 | static inline int fdt_status_okay_by_alias(void *fdt, const char *alias) |
2a523f52 SL |
162 | { |
163 | return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0); | |
164 | } | |
b940ca64 | 165 | static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias) |
2a523f52 SL |
166 | { |
167 | return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0); | |
168 | } | |
b940ca64 GR |
169 | static inline int fdt_status_fail_by_alias(void *fdt, const char *alias) |
170 | { | |
171 | return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0); | |
172 | } | |
2a523f52 | 173 | |
08df4a21 AB |
174 | /* Helper to read a big number; size is in cells (not bytes) */ |
175 | static inline u64 of_read_number(const fdt32_t *cell, int size) | |
176 | { | |
177 | u64 r = 0; | |
178 | while (size--) | |
179 | r = (r << 32) | fdt32_to_cpu(*(cell++)); | |
180 | return r; | |
181 | } | |
182 | ||
f43b4356 AB |
183 | void of_bus_default_count_cells(void *blob, int parentoffset, |
184 | int *addrc, int *sizec); | |
d50b07df JH |
185 | int ft_verify_fdt(void *fdt); |
186 | int arch_fixup_memory_node(void *blob); | |
f43b4356 | 187 | |
d4f495a8 HG |
188 | int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width, |
189 | u32 height, u32 stride, const char *format); | |
190 | ||
64dbbd40 | 191 | #endif /* ifdef CONFIG_OF_LIBFDT */ |
29a23f9d HS |
192 | |
193 | #ifdef USE_HOSTCC | |
194 | int fdtdec_get_int(const void *blob, int node, const char *prop_name, | |
195 | int default_val); | |
196 | #endif | |
64dbbd40 | 197 | #endif /* ifndef __FDT_SUPPORT_H */ |