+/* 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 <linux/libfdt.h>
u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
const char *prop, const u32 dflt);
* property will be left untouched.
* @return 0 if ok, or -1 or -FDT_ERR_... on error
*/
+#ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY
int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
+#else
+static inline int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[],
+ int banks)
+{
+ return 0;
+}
+#endif
void fdt_fixup_ethernet(void *fdt);
int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
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 ft_system_setup(void *blob, bd_t *bd);
void set_working_fdt_addr(ulong addr);
-int fdt_shrink_to_minimum(void *blob);
+
+/**
+ * shrink down the given blob to minimum size + some extrasize if required
+ *
+ * @param blob FDT blob to update
+ * @param extrasize additional bytes needed
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_shrink_to_minimum(void *blob, uint extrasize);
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);
int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
u64 addr);
-u64 fdt_get_base_address(void *fdt, int node);
+u64 fdt_get_base_address(const void *fdt, int node);
int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
uint64_t *addr, uint64_t *len);
}
/* Helper to read a big number; size is in cells (not bytes) */
-static inline u64 of_read_number(const fdt32_t *cell, int size)
+static inline u64 fdt_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
return r;
}
-void of_bus_default_count_cells(const void *blob, int parentoffset,
+void fdt_support_default_count_cells(const void *blob, int parentoffset,
int *addrc, int *sizec);
int ft_verify_fdt(void *fdt);
int arch_fixup_memory_node(void *blob);
int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
u32 height, u32 stride, const char *format);
+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);
#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 */