patman: Convert camel case in tools.py

[platform/kernel/u-boot.git] / tools / dtoc / fdt_util.py

diff --git a/tools/dtoc/fdt_util.py b/tools/dtoc/fdt_util.py
index 37e96b9..19e645d 100644 (file)
--- a/tools/dtoc/fdt_util.py
+++ b/tools/dtoc/fdt_util.py
@@ -27,6 +27,18 @@ def fdt32_to_cpu(val):
     """
     return struct.unpack('>I', val)[0]
 
+def fdt64_to_cpu(val):
+    """Convert a device tree cell to an integer
+
+    Args:
+        val (list): Value to convert (list of 2 4-character strings representing
+            the cell value)
+
+    Return:
+        int: A native-endian integer value
+    """
+    return fdt32_to_cpu(val[0]) << 32 | fdt32_to_cpu(val[1])
+
 def fdt_cells_to_cpu(val, cells):
     """Convert one or two cells to a long integer
 
@@ -63,12 +75,12 @@ def EnsureCompiled(fname, tmpdir=None, capture_stderr=False):
         dts_input = os.path.join(tmpdir, 'source.dts')
         dtb_output = os.path.join(tmpdir, 'source.dtb')
     else:
-        dts_input = tools.GetOutputFilename('source.dts')
-        dtb_output = tools.GetOutputFilename('source.dtb')
+        dts_input = tools.get_output_filename('source.dts')
+        dtb_output = tools.get_output_filename('source.dtb')
 
     search_paths = [os.path.join(os.getcwd(), 'include')]
     root, _ = os.path.splitext(fname)
-    cc, args = tools.GetTargetCompileTool('cc')
+    cc, args = tools.get_target_compile_tool('cc')
     args += ['-E', '-P', '-x', 'assembler-with-cpp', '-D__ASSEMBLY__']
     args += ['-Ulinux']
     for path in search_paths:
@@ -80,7 +92,7 @@ def EnsureCompiled(fname, tmpdir=None, capture_stderr=False):
     search_list = []
     for path in search_paths:
         search_list.extend(['-i', path])
-    dtc, args = tools.GetTargetCompileTool('dtc')
+    dtc, args = tools.get_target_compile_tool('dtc')
     args += ['-I', 'dts', '-o', dtb_output, '-O', 'dtb',
             '-W', 'no-unit_address_vs_reg']
     args.extend(search_list)
@@ -108,6 +120,29 @@ def GetInt(node, propname, default=None):
     value = fdt32_to_cpu(prop.value)
     return value
 
+def GetInt64(node, propname, default=None):
+    """Get a 64-bit integer from a property
+
+    Args:
+        node (Node): Node object to read from
+        propname (str): property name to read
+        default (int): Default value to use if the node/property do not exist
+
+    Returns:
+        int: value read, or default if none
+
+    Raises:
+        ValueError: Property is not of the correct size
+    """
+    prop = node.props.get(propname)
+    if not prop:
+        return default
+    if not isinstance(prop.value, list) or len(prop.value) != 2:
+        raise ValueError("Node '%s' property '%s' should be a list with 2 items for 64-bit values" %
+                         (node.name, propname))
+    value = fdt64_to_cpu(prop.value)
+    return value
+
 def GetString(node, propname, default=None):
     """Get a string from a property
 
@@ -128,6 +163,27 @@ def GetString(node, propname, default=None):
                          "a single string" % (node.name, propname))
     return value
 
+def GetStringList(node, propname, default=None):
+    """Get a string list from a property
+
+    Args:
+        node (Node): Node object to read from
+        propname (str): property name to read
+        default (list of str): Default value to use if the node/property do not
+            exist, or None
+
+    Returns:
+        String value read, or default if none
+    """
+    prop = node.props.get(propname)
+    if not prop:
+        return default
+    value = prop.value
+    if not isinstance(value, list):
+        strval = GetString(node, propname)
+        return [strval]
+    return value
+
 def GetBool(node, propname, default=False):
     """Get an boolean from a property
 
@@ -167,6 +223,26 @@ def GetByte(node, propname, default=None):
                          (node.name, propname, len(value), 1))
     return ord(value[0])
 
+def GetBytes(node, propname, size, default=None):
+    """Get a set of bytes from a property
+
+    Args:
+        node (Node): Node object to read from
+        propname (str): property name to read
+        size (int): Number of bytes to expect
+        default (bytes): Default value or None
+
+    Returns:
+        bytes: Bytes value read, or default if none
+    """
+    prop = node.props.get(propname)
+    if not prop:
+        return default
+    if len(prop.bytes) != size:
+        raise ValueError("Node '%s' property '%s' has length %d, expecting %d" %
+                         (node.name, propname, len(prop.bytes), size))
+    return prop.bytes
+
 def GetPhandleList(node, propname):
     """Get a list of phandles from a property