1 /* 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 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, 22 u32 val, int create); 23 24 static 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 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, 33 int create); 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); 47 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); 50 #else 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) */ 53 54 #if defined(CONFIG_SYS_FSL_SEC_COMPAT) 55 void fdt_fixup_crypto_node(void *blob, int sec_rev); 56 #else 57 static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} 58 #endif 59 60 #ifdef CONFIG_PCI 61 #include <pci.h> 62 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); 63 #endif 64 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); 68 69 void set_working_fdt_addr(void *addr); 70 int fdt_resize(void *blob); 71 int fdt_increase_size(void *fdt, int add_len); 72 73 int fdt_fixup_nor_flash_size(void *blob); 74 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); 84 85 int fdt_verify_alias_address(void *fdt, int anode, const char *alias, 86 u64 addr); 87 u64 fdt_get_base_address(void *fdt, int node); 88 89 enum fdt_status { 90 FDT_STATUS_OKAY, 91 FDT_STATUS_DISABLED, 92 FDT_STATUS_FAIL, 93 FDT_STATUS_FAIL_ERROR_CODE, 94 }; 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) 98 { 99 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0); 100 } 101 static inline int fdt_status_disabled(void *fdt, int nodeoffset) 102 { 103 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0); 104 } 105 106 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) 109 { 110 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0); 111 } 112 static 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 */ 119