treewide: Move device_tree to commonlib

Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I990d74d9fff06b17ec8a6ee962955e4b0df8b907
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77970
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 1 insertions, 233 deletions

diff --git a/src/include/device_tree.h b/src/include/device_tree.h
deleted file mode 100644
index bb522bf1da..0000000000
--- a/src/include/device_tree.h
+++ /dev/null
@@ -1,232 +0,0 @@
-/* Taken from depthcharge: src/base/device_tree.h */
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-#ifndef __DEVICE_TREE_H__
-#define __DEVICE_TREE_H__
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <commonlib/list.h>
-
-/*
- * Flattened device tree structures/constants.
- */
-
-struct fdt_header {
-	uint32_t magic;
-	uint32_t totalsize;
-	uint32_t structure_offset;
-	uint32_t strings_offset;
-	uint32_t reserve_map_offset;
-
-	uint32_t version;
-	uint32_t last_comp_version;
-
-	uint32_t boot_cpuid_phys;
-
-	uint32_t strings_size;
-	uint32_t structure_size;
-};
-
-#define FDT_HEADER_MAGIC	0xd00dfeed
-#define FDT_SUPPORTED_VERSION	17
-#define FDT_TOKEN_BEGIN_NODE	1
-#define FDT_TOKEN_END_NODE	2
-#define FDT_TOKEN_PROPERTY	3
-#define FDT_TOKEN_NOP		4
-#define FDT_TOKEN_END		9
-#define FDT_PHANDLE_ILLEGAL	0xdeadbeef
-
-struct fdt_property
-{
-	const char *name;
-	void *data;
-	uint32_t size;
-};
-
-/*
- * Unflattened device tree structures.
- */
-
-struct device_tree_region {
-	u64 addr;
-	u64 size;
-};
-
-struct device_tree_property
-{
-	struct fdt_property prop;
-
-	struct list_node list_node;
-};
-
-struct device_tree_node
-{
-	const char *name;
-	uint32_t phandle;
-
-	/* List of struct device_tree_property-s. */
-	struct list_node properties;
-	/* List of struct device_tree_nodes. */
-	struct list_node children;
-
-	struct list_node list_node;
-};
-
-struct device_tree_reserve_map_entry
-{
-	uint64_t start;
-	uint64_t size;
-
-	struct list_node list_node;
-};
-
-struct device_tree
-{
-	const void *header;
-	uint32_t header_size;
-	uint32_t max_phandle;
-
-	struct list_node reserve_map;
-
-	struct device_tree_node *root;
-};
-
-/*
- * Flattened device tree functions. These generally return the number of bytes
- * which were consumed reading the requested value.
- */
-
-/* Checks if blob points to a valid FDT */
-bool fdt_is_valid(const void *blob);
-/* Read the property at offset, if any exists. */
-int fdt_next_property(const void *blob, uint32_t offset,
-		      struct fdt_property *prop);
-/* Read the name of the node at offset, if any exists. */
-int fdt_node_name(const void *blob, uint32_t offset, const char **name);
-
-void fdt_print_node(const void *blob, uint32_t offset);
-int fdt_skip_node(const void *blob, uint32_t offset);
-
-/* Read property and put into fdt_prop. Returns offset to property */
-u32 fdt_read_prop(const void *blob, u32 node_offset, const char *prop_name,
-		  struct fdt_property *fdt_prop);
-/* Read reg property and save regions inside 'regions'. Returns number of regions read */
-u32 fdt_read_reg_prop(const void *blob, u32 node_offset, u32 addr_cells, u32 size_cells,
-		      struct device_tree_region regions[], size_t regions_count);
-/* Find a node by a given path and return the offset */
-u32 fdt_find_node_by_path(const void *blob, const char *path, u32 *addrcp, u32 *sizecp);
-/* Find multiple nodes matching a given pattern. Returns number of nodes found */
-size_t fdt_find_subnodes_by_prefix(const void *blob, u32 node_offset, const char *prefix,
-				   u32 *addrcp, u32 *sizecp, u32 results[], size_t results_len);
-/* Find a node by a given alias and return its offset */
-u32 fdt_find_node_by_alias(const void *blob, const char *alias_name,
-			   u32 *addr_cells, u32 *size_cells);
-/*
- * Read the node name into 'name' of the node behind 'node_offset'
- * and return total bytes used for name
- */
-int fdt_next_node_name(const void *blob, uint32_t node_offset, const char **name);
-
- /* Read memory regions from a flat device-tree. */
-size_t fdt_read_memory_regions(const void *blob, struct device_tree_region regions[],
-			       size_t regions_count);
- /* Find top of memory from a flat device-tree. */
-uint64_t fdt_get_memory_top(const void *blob);
-
-/* Read a flattened device tree into a hierarchical structure which refers to
-   the contents of the flattened tree in place. Modifying the flat tree
-   invalidates the unflattened one. */
-struct device_tree *fdt_unflatten(const void *blob);
-
-/*
- * Unflattened device tree functions.
- */
-
-/* Figure out how big a device tree would be if it were flattened. */
-uint32_t dt_flat_size(const struct device_tree *tree);
-/* Flatten a device tree into the buffer pointed to by dest. */
-void dt_flatten(const struct device_tree *tree, void *dest);
-void dt_print_node(const struct device_tree_node *node);
-/* Read #address-cells and #size-cells properties from a node. */
-void dt_read_cell_props(const struct device_tree_node *node, u32 *addrcp,
-			u32 *sizecp);
-/* Look up or create a node relative to a parent node, through its path
-   represented as an array of strings. */
-struct device_tree_node *dt_find_node(struct device_tree_node *parent, const char **path,
-			     u32 *addrcp, u32 *sizecp, int create);
-struct device_tree_node *dt_find_node_by_phandle(struct device_tree_node *root,
-						 uint32_t phandle);
-/* Look up or create a node in the tree, through its path
-   represented as a string of '/' separated node names. */
-struct device_tree_node *dt_find_node_by_path(struct device_tree *tree,
-			const char *path, u32 *addrcp, u32 *sizecp, int create);
-/* Look up a node through an alias. */
-struct device_tree_node *dt_find_node_by_alias(struct device_tree *tree,
-					       const char *alias);
-/* Look up a node relative to a parent node, through its compatible string. */
-struct device_tree_node *dt_find_compat(struct device_tree_node *parent, const char *compatible);
-/* Look up the next child of a parent node, through its compatible string. It
-   uses child pointer as the marker to find next. */
-struct device_tree_node *dt_find_next_compat_child(struct device_tree_node *parent,
-					  struct device_tree_node *child,
-					  const char *compat);
-/* Look up a node relative to a parent node, through its property value. */
-struct device_tree_node *dt_find_prop_value(struct device_tree_node *parent, const char *name,
-				   void *data, size_t size);
-/* Write src into *dest as a 'length'-byte big-endian integer. */
-void dt_write_int(u8 *dest, u64 src, size_t length);
-/* Delete a property */
-void dt_delete_prop(struct device_tree_node *node, const char *name);
-/* Add different kinds of properties to a node, or update existing ones. */
-void dt_add_bin_prop(struct device_tree_node *node, const char *name,
-		     void *data, size_t size);
-void dt_add_string_prop(struct device_tree_node *node, const char *name,
-			const char *str);
-void dt_add_u32_prop(struct device_tree_node *node, const char *name, u32 val);
-void dt_add_u64_prop(struct device_tree_node *node, const char *name, u64 val);
-void dt_add_reg_prop(struct device_tree_node *node, u64 *addrs, u64 *sizes,
-		     int count, u32 addr_cells, u32 size_cells);
-int dt_set_bin_prop_by_path(struct device_tree *tree, const char *path,
-			    void *data, size_t size, int create);
-
-void dt_find_bin_prop(const struct device_tree_node *node, const char *name,
-		      const void **data, size_t *size);
-const char *dt_find_string_prop(const struct device_tree_node *node,
-				const char *name);
-
-/* Apply an overlay to a base device tree. Ownership of the overlay data passes
-   to the newly combined base tree -- do not free() or access it afterwards! */
-int dt_apply_overlay(struct device_tree *tree, struct device_tree *overlay);
-
-/*
- * Fixups to apply to a kernel's device tree before booting it.
- */
-
-struct device_tree_fixup
-{
-	/**
-	 * The function which does the fixing.
-	 * 0 on success, non-zero on error.
-	 */
-	int (*fixup)(struct device_tree_fixup *fixup,
-		struct device_tree *tree);
-
-	struct list_node list_node;
-};
-
-extern struct list_node device_tree_fixups;
-
-/**
- * Function to apply fixups.
- * 0 on success, non-zero on error.
- */
-int dt_apply_fixups(struct device_tree *tree);
-
-/*
- * Init/retrieve the /reserved-memory/ node.
- */
-struct device_tree_node *dt_init_reserved_memory_node(struct device_tree *tree);
-
-#endif /* __DEVICE_TREE_H__ */
diff --git a/src/include/fit.h b/src/include/fit.h
index d587750743..25f85ab41a 100644
--- a/src/include/fit.h
+++ b/src/include/fit.h
@@ -4,8 +4,8 @@
 #ifndef __LIB_FIT_H__
 #define __LIB_FIT_H__
 
+#include <commonlib/device_tree.h>
 #include <commonlib/list.h>
-#include <device_tree.h>
 #include <program_loading.h>
 #include <stddef.h>
 #include <stdint.h>