dm: core: Add a place to put extra device-tree reading functions
Some functions deal with structured data rather than simple data types.
It makes sense to have these in their own file. For now this just has a
function to read a flashmap entry. Move the data types also.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/cros_ec.h b/include/cros_ec.h
index 0271f2b..2bd9f22 100644
--- a/include/cros_ec.h
+++ b/include/cros_ec.h
@@ -14,6 +14,7 @@
#include <fdtdec.h>
#include <cros_ec_message.h>
#include <asm/gpio.h>
+#include <dm/of_extra.h>
/* Our configuration information */
struct cros_ec_dev {
diff --git a/include/dm/of_extra.h b/include/dm/of_extra.h
new file mode 100644
index 0000000..01b6ebe
--- /dev/null
+++ b/include/dm/of_extra.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _DM_OF_EXTRA_H
+#define _DM_OF_EXTRA_H
+
+#include <dm/ofnode.h>
+
+enum fmap_compress_t {
+ FMAP_COMPRESS_NONE,
+ FMAP_COMPRESS_LZO,
+};
+
+enum fmap_hash_t {
+ FMAP_HASH_NONE,
+ FMAP_HASH_SHA1,
+ FMAP_HASH_SHA256,
+};
+
+/* A flash map entry, containing an offset and length */
+struct fmap_entry {
+ uint32_t offset;
+ uint32_t length;
+ uint32_t used; /* Number of bytes used in region */
+ enum fmap_compress_t compress_algo; /* Compression type */
+ enum fmap_hash_t hash_algo; /* Hash algorithm */
+ const uint8_t *hash; /* Hash value */
+ int hash_size; /* Hash size */
+};
+
+/**
+ * Read a flash entry from the fdt
+ *
+ * @param node Reference to node to read
+ * @param name Name of node being read
+ * @param entry Place to put offset and size of this node
+ * @return 0 if ok, -ve on error
+ */
+int of_read_fmap_entry(ofnode node, const char *name,
+ struct fmap_entry *entry);
+
+#endif
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 3000ecb..f27fb36 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -815,28 +815,7 @@
int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
fdt_addr_t *basep, fdt_size_t *sizep);
-enum fmap_compress_t {
- FMAP_COMPRESS_NONE,
- FMAP_COMPRESS_LZO,
-};
-
-enum fmap_hash_t {
- FMAP_HASH_NONE,
- FMAP_HASH_SHA1,
- FMAP_HASH_SHA256,
-};
-
-/* A flash map entry, containing an offset and length */
-struct fmap_entry {
- uint32_t offset;
- uint32_t length;
- uint32_t used; /* Number of bytes used in region */
- enum fmap_compress_t compress_algo; /* Compression type */
- enum fmap_hash_t hash_algo; /* Hash algorithm */
- const uint8_t *hash; /* Hash value */
- int hash_size; /* Hash size */
-};
-
+struct fmap_entry;
/**
* Read a flash entry from the fdt
*