summaryrefslogtreecommitdiff
path: root/sys/arch/armv7/stand/efiboot/fdt.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/arch/armv7/stand/efiboot/fdt.h')
-rw-r--r--sys/arch/armv7/stand/efiboot/fdt.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/sys/arch/armv7/stand/efiboot/fdt.h b/sys/arch/armv7/stand/efiboot/fdt.h
new file mode 100644
index 00000000000..2fc4e6f3047
--- /dev/null
+++ b/sys/arch/armv7/stand/efiboot/fdt.h
@@ -0,0 +1,67 @@
+/* $OpenBSD: fdt.h,v 1.1 2016/05/17 21:26:32 kettenis Exp $ */
+
+/*
+ * Copyright (c) 2009 Dariusz Swiderski <sfires@sfires.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+struct fdt_head {
+ uint32_t fh_magic;
+ uint32_t fh_size;
+ uint32_t fh_struct_off;
+ uint32_t fh_strings_off;
+ uint32_t fh_reserve_off;
+ uint32_t fh_version;
+ uint32_t fh_comp_ver; /* last compatible version */
+ uint32_t fh_boot_cpu_id; /* fh_version >=2 */
+ uint32_t fh_strings_size; /* fh_version >=3 */
+ uint32_t fh_struct_size; /* fh_version >=17 */
+};
+
+struct fdt {
+ struct fdt_head *header;
+ char *tree;
+ char *strings;
+ char *memory;
+ char *end;
+ int version;
+ int strings_size;
+ int struct_size;
+};
+
+#define FDT_MAGIC 0xd00dfeed
+#define FDT_NODE_BEGIN 0x01
+#define FDT_NODE_END 0x02
+#define FDT_PROPERTY 0x03
+#define FDT_NOP 0x04
+#define FDT_END 0x09
+
+#define FDT_CODE_VERSION 0x11
+
+int fdt_init(void *);
+void fdt_finalize(void);
+size_t fdt_get_size(void *);
+void *fdt_next_node(void *);
+void *fdt_child_node(void *);
+char *fdt_node_name(void *);
+void *fdt_find_node(char *);
+int fdt_node_property(void *, char *, char **);
+int fdt_set_node_property(void *, char *, char *, int);
+int fdt_add_node_property(void *, char *, char *, int);
+void *fdt_parent_node(void *);
+#ifdef DEBUG
+void *fdt_print_property(void *, int);
+void fdt_print_node(void *, int);
+void fdt_print_tree(void);
+#endif