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authorDavid Gibson <david@gibson.dropbear.id.au>2007-12-10 14:28:39 +1100
committerPaul Mackerras <paulus@samba.org>2007-12-11 13:46:13 +1100
commit1cade99497c881a8c719df561d1bdc96831ff040 (patch)
treed90f0f9c667c5379f79244d117f4c95299180a05 /arch/powerpc/boot/libfdt/fdt.h
parent[POWERPC] EEH: Avoid a possible NULL pointer dereference (diff)
downloadlinux-dev-1cade99497c881a8c719df561d1bdc96831ff040.tar.xz
linux-dev-1cade99497c881a8c719df561d1bdc96831ff040.zip
[POWERPC] Merge libfdt upstream source
This incorporates a copy of dtc libfdt into the kernel source, in arch/powerpc/boot/libfdt. This only imports the upstream sources verbatim, later patches are needed to actually link it into the kernel Makefiles. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/boot/libfdt/fdt.h')
-rw-r--r--arch/powerpc/boot/libfdt/fdt.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/powerpc/boot/libfdt/fdt.h b/arch/powerpc/boot/libfdt/fdt.h
new file mode 100644
index 000000000000..48ccfd910000
--- /dev/null
+++ b/arch/powerpc/boot/libfdt/fdt.h
@@ -0,0 +1,60 @@
+#ifndef _FDT_H
+#define _FDT_H
+
+#ifndef __ASSEMBLY__
+
+struct fdt_header {
+ uint32_t magic; /* magic word FDT_MAGIC */
+ uint32_t totalsize; /* total size of DT block */
+ uint32_t off_dt_struct; /* offset to structure */
+ uint32_t off_dt_strings; /* offset to strings */
+ uint32_t off_mem_rsvmap; /* offset to memory reserve map */
+ uint32_t version; /* format version */
+ uint32_t last_comp_version; /* last compatible version */
+
+ /* version 2 fields below */
+ uint32_t boot_cpuid_phys; /* Which physical CPU id we're
+ booting on */
+ /* version 3 fields below */
+ uint32_t size_dt_strings; /* size of the strings block */
+
+ /* version 17 fields below */
+ uint32_t size_dt_struct; /* size of the structure block */
+};
+
+struct fdt_reserve_entry {
+ uint64_t address;
+ uint64_t size;
+};
+
+struct fdt_node_header {
+ uint32_t tag;
+ char name[0];
+};
+
+struct fdt_property {
+ uint32_t tag;
+ uint32_t len;
+ uint32_t nameoff;
+ char data[0];
+};
+
+#endif /* !__ASSEMBLY */
+
+#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
+#define FDT_TAGSIZE sizeof(uint32_t)
+
+#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
+#define FDT_END_NODE 0x2 /* End node */
+#define FDT_PROP 0x3 /* Property: name off,
+ size, content */
+#define FDT_NOP 0x4 /* nop */
+#define FDT_END 0x9
+
+#define FDT_V1_SIZE (7*sizeof(uint32_t))
+#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
+#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
+#define FDT_V16_SIZE FDT_V3_SIZE
+#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))
+
+#endif /* _FDT_H */