blob: 9871e2f81a09f95d7051c86a739b09bb5ee35817 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001/*
2 * (C) Copyright 2007
3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#ifndef __FDT_SUPPORT_H
9#define __FDT_SUPPORT_H
10
11#ifdef CONFIG_OF_LIBFDT
12
13#include <libfdt.h>
14
15u32 fdt_getprop_u32_default(const void *fdt, const char *path,
16 const char *prop, const u32 dflt);
17int fdt_chosen(void *fdt, int force);
18int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
19void do_fixup_by_path(void *fdt, const char *path, const char *prop,
20 const void *val, int len, int create);
21void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
22 u32 val, int create);
23
24static inline void do_fixup_by_path_string(void *fdt, const char *path,
25 const char *prop, const char *status)
26{
27 do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
28}
29
30void do_fixup_by_prop(void *fdt,
31 const char *pname, const void *pval, int plen,
32 const char *prop, const void *val, int len,
33 int create);
34void do_fixup_by_prop_u32(void *fdt,
35 const char *pname, const void *pval, int plen,
36 const char *prop, u32 val, int create);
37void do_fixup_by_compat(void *fdt, const char *compat,
38 const char *prop, const void *val, int len, int create);
39void do_fixup_by_compat_u32(void *fdt, const char *compat,
40 const char *prop, u32 val, int create);
41int fdt_fixup_memory(void *blob, u64 start, u64 size);
42int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
43void fdt_fixup_ethernet(void *fdt);
44int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
45 const void *val, int len, int create);
46void fdt_fixup_qe_firmware(void *fdt);
47
48#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
49void fdt_fixup_dr_usb(void *blob, bd_t *bd);
50#else
51static 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) */
53
54#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
55void fdt_fixup_crypto_node(void *blob, int sec_rev);
56#else
57static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
58#endif
59
60#ifdef CONFIG_PCI
61#include <pci.h>
62int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
63#endif
64
65void ft_board_setup(void *blob, bd_t *bd);
66void ft_cpu_setup(void *blob, bd_t *bd);
67void ft_pci_setup(void *blob, bd_t *bd);
68
69void set_working_fdt_addr(void *addr);
70int fdt_resize(void *blob);
71int fdt_increase_size(void *fdt, int add_len);
72
73int fdt_fixup_nor_flash_size(void *blob);
74
75void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
76void fdt_del_node_and_alias(void *blob, const char *alias);
77u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
78int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
79 phys_addr_t compat_off);
80int fdt_alloc_phandle(void *blob);
81int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
82unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
83int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
84
85int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
86 u64 addr);
87u64 fdt_get_base_address(void *fdt, int node);
88
89enum fdt_status {
90 FDT_STATUS_OKAY,
91 FDT_STATUS_DISABLED,
92 FDT_STATUS_FAIL,
93 FDT_STATUS_FAIL_ERROR_CODE,
94};
95int fdt_set_node_status(void *fdt, int nodeoffset,
96 enum fdt_status status, unsigned int error_code);
97static inline int fdt_status_okay(void *fdt, int nodeoffset)
98{
99 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
100}
101static inline int fdt_status_disabled(void *fdt, int nodeoffset)
102{
103 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
104}
105
106int fdt_set_status_by_alias(void *fdt, const char* alias,
107 enum fdt_status status, unsigned int error_code);
108static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
109{
110 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
111}
112static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
113{
114 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
115}
116
117#endif /* ifdef CONFIG_OF_LIBFDT */
118#endif /* ifndef __FDT_SUPPORT_H */