1 files changed, 37 insertions, 0 deletions
diff --git a/pk/devicetree.h b/pk/devicetree.h
new file mode 100644
index 0000000..1daab89
--- /dev/null
+++ b/pk/devicetree.h
@@ -0,0 +1,37 @@
+// See LICENSE for license details.
+
+#ifndef _PK_DEVICETREE_H
+#define _PK_DEVICETREE_H
+
+#include <stdint.h>
+
+#define FDT_MAGIC 0xd00dfeedU
+#define FDT_VERSION 17
+#define FDT_COMP_VERSION 16
+#define FDT_BEGIN_NODE 1
+#define FDT_END_NODE 2
+#define FDT_PROP 3
+#define FDT_NOP 4
+#define FDT_END 9
+
+struct fdt_header {
+  uint32_t magic;
+  uint32_t totalsize;
+  uint32_t off_dt_struct;
+  uint32_t off_dt_strings;
+  uint32_t off_rsvmap;
+  uint32_t version;
+  uint32_t last_comp_version;
+  uint32_t boot_cpuid_phys;
+  uint32_t size_dt_strings;
+  uint32_t size_dt_struct;
+};
+
+struct fdt_reserve_entry {
+  uint64_t address;
+  uint64_t size;
+};
+
+void parse_device_tree();
+
+#endif