diff options
Diffstat (limited to 'tools/dtoc/fdt.py')
| -rw-r--r-- | tools/dtoc/fdt.py | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py index 63a32ea..dbc3386 100644 --- a/tools/dtoc/fdt.py +++ b/tools/dtoc/fdt.py @@ -21,7 +21,7 @@ import libfdt # so it is fairly efficient. # A list of types we support -(TYPE_BYTE, TYPE_INT, TYPE_STRING, TYPE_BOOL) = range(4) +(TYPE_BYTE, TYPE_INT, TYPE_STRING, TYPE_BOOL, TYPE_INT64) = range(5) def CheckErr(errnum, msg): if errnum: @@ -174,8 +174,9 @@ class Node: props: A dict of properties for this node, each a Prop object. Keyed by property name """ - def __init__(self, fdt, offset, name, path): + def __init__(self, fdt, parent, offset, name, path): self._fdt = fdt + self.parent = parent self._offset = offset self.name = name self.path = path @@ -211,13 +212,17 @@ class Node: searching into subnodes so that the entire tree is built. """ self.props = self._fdt.GetProps(self) + phandle = self.props.get('phandle') + if phandle: + val = fdt_util.fdt32_to_cpu(phandle.value) + self._fdt.phandle_to_node[val] = self offset = libfdt.fdt_first_subnode(self._fdt.GetFdt(), self.Offset()) while offset >= 0: sep = '' if self.path[-1] == '/' else '/' name = self._fdt._fdt_obj.get_name(offset) path = self.path + sep + name - node = Node(self._fdt, offset, name, path) + node = Node(self._fdt, self, offset, name, path) self.subnodes.append(node) node.Scan() @@ -262,6 +267,7 @@ class Fdt: def __init__(self, fname): self._fname = fname self._cached_offsets = False + self.phandle_to_node = {} if self._fname: self._fname = fdt_util.EnsureCompiled(self._fname) @@ -279,7 +285,7 @@ class Fdt: TODO(sjg@chromium.org): Implement the 'root' parameter """ - self._root = self.Node(self, 0, '/', '/') + self._root = self.Node(self, None, 0, '/', '/') self._root.Scan() def GetRoot(self): @@ -386,7 +392,7 @@ class Fdt: return libfdt.fdt_off_dt_struct(self._fdt) + offset @classmethod - def Node(self, fdt, offset, name, path): + def Node(self, fdt, parent, offset, name, path): """Create a new node This is used by Fdt.Scan() to create a new node using the correct @@ -394,11 +400,12 @@ class Fdt: Args: fdt: Fdt object + parent: Parent node, or None if this is the root node offset: Offset of node name: Node name path: Full path to node """ - node = Node(fdt, offset, name, path) + node = Node(fdt, parent, offset, name, path) return node def FdtScan(fname): |