X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Ffdt_support.h;h=2eff311fa4f577e8099a51ac82d8003b01e4eebb;hb=1099b2abef35c3c887f6afac1a8ef18c7924d5d2;hp=2bca4d7889180936b92e423c16a91740338c3090;hpb=2dc5b553b9bcd701bd7abd60f99f407cb0c37762;p=oweals%2Fu-boot.git diff --git a/include/fdt_support.h b/include/fdt_support.h index 2bca4d7889..2eff311fa4 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2007 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com - * - * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __FDT_SUPPORT_H @@ -10,7 +9,22 @@ #ifdef CONFIG_OF_LIBFDT -#include +#include +#include + +/** + * arch_fixup_fdt() - Write arch-specific information to fdt + * + * Defined in arch/$(ARCH)/lib/bootm-fdt.c + * + * @blob: FDT blob to write to + * @return 0 if ok, or -ve FDT_ERR_... on failure + */ +int arch_fixup_fdt(void *blob); + +void ft_cpu_setup(void *blob, bd_t *bd); + +void ft_pci_setup(void *blob, bd_t *bd); u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell, const char *prop, const u32 dflt); @@ -95,6 +109,7 @@ int fdt_fixup_memory(void *blob, u64 start, u64 size); */ #ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks); +int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int banks); #else static inline int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks) @@ -133,6 +148,24 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev); static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} #endif +/** + * Record information about a processed loadable in /fit-images (creating + * /fit-images if necessary). + * + * @param blob FDT blob to update + * @param index index of this loadable + * @param name name of the loadable + * @param load_addr address the loadable was loaded to + * @param size number of bytes loaded + * @param entry_point entry point (if specified, otherwise pass -1) + * @param type type (if specified, otherwise pass NULL) + * @param os os-type (if specified, otherwise pass NULL) + * @return 0 if ok, or -1 or -FDT_ERR_... on error + */ +int fdt_record_loadable(void *blob, u32 index, const char *name, + uintptr_t load_addr, u32 size, uintptr_t entry_point, + const char *type, const char *os); + #ifdef CONFIG_PCI #include int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); @@ -188,16 +221,45 @@ int fdt_increase_size(void *fdt, int add_len); int fdt_fixup_nor_flash_size(void *blob); +struct node_info; #if defined(CONFIG_FDT_FIXUP_PARTITIONS) -void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size); +void fdt_fixup_mtdparts(void *fdt, const struct node_info *node_info, + int node_info_size); #else -static inline void fdt_fixup_mtdparts(void *fdt, void *node_info, - int node_info_size) {} +static inline void fdt_fixup_mtdparts(void *fdt, + const struct node_info *node_info, + int node_info_size) +{ +} #endif void fdt_del_node_and_alias(void *blob, const char *alias); + +/** + * Translate an address from the DT into a CPU physical address + * + * The translation relies on the "ranges" property. + * + * @param blob Pointer to device tree blob + * @param node_offset Node DT offset + * @param in_addr Pointer to the address to translate + * @return translated address or OF_BAD_ADDR on error + */ u64 fdt_translate_address(const void *blob, int node_offset, const __be32 *in_addr); +/** + * Translate a DMA address from the DT into a CPU physical address + * + * The translation relies on the "dma-ranges" property. + * + * @param blob Pointer to device tree blob + * @param node_offset Node DT offset + * @param in_addr Pointer to the DMA address to translate + * @return translated DMA address or OF_BAD_ADDR on error + */ +u64 fdt_translate_dma_address(const void *blob, int node_offset, + const __be32 *in_addr); + int fdt_node_offset_by_compat_reg(void *blob, const char *compat, phys_addr_t compat_off); int fdt_alloc_phandle(void *blob); @@ -266,10 +328,35 @@ int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width, int fdt_overlay_apply_verbose(void *fdt, void *fdto); +/** + * fdt_get_cells_len() - Get the length of a type of cell in top-level nodes + * + * Returns the length of the cell type in bytes (4 or 8). + * + * @blob: Pointer to device tree blob + * @nr_cells_name: Name to lookup, e.g. "#address-cells" + */ +int fdt_get_cells_len(const void *blob, char *nr_cells_name); + #endif /* ifdef CONFIG_OF_LIBFDT */ #ifdef USE_HOSTCC int fdtdec_get_int(const void *blob, int node, const char *prop_name, int default_val); + +/* + * Count child nodes of one parent node. + * + * @param blob FDT blob + * @param node parent node + * @return number of child node; 0 if there is not child node + */ +int fdtdec_get_child_count(const void *blob, int node); +#endif +#ifdef CONFIG_FMAN_ENET +int fdt_update_ethernet_dt(void *blob); +#endif +#ifdef CONFIG_FSL_MC_ENET +void fdt_fixup_board_enet(void *blob); #endif #endif /* ifndef __FDT_SUPPORT_H */