+/* 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
#ifdef CONFIG_OF_LIBFDT
-#include <libfdt.h>
+#include <asm/u-boot.h>
+#include <linux/libfdt.h>
+
+/**
+ * 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);
*/
#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)
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 <pci.h>
int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
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);
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 */