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authorSimon Glass <sjg@chromium.org>2015-08-30 16:55:24 -0600
committerSimon Glass <sjg@chromium.org>2015-09-02 21:28:23 -0600
commita131c1f44231e3546b1cca8480400c98d1dd7ac8 (patch)
tree47a83ea33e52c0cb131f025e4ccd045e022ab049 /tools/rkcommon.h
parent1b99e5bbb619f91c675306226a262a14c9d9a3a3 (diff)
rockchip: Add the rkimage format to mkimage
Rockchip SoCs require certain formats for code that they execute, The simplest format is a 4-byte header at the start of a binary file. Add support for this so that we can create images that the boot ROM understands. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'tools/rkcommon.h')
-rw-r--r--tools/rkcommon.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/rkcommon.h b/tools/rkcommon.h
new file mode 100644
index 0000000000..57fd726004
--- /dev/null
+++ b/tools/rkcommon.h
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _RKCOMMON_H
+#define _RKCOMMON_H
+
+enum {
+ RK_BLK_SIZE = 512,
+ RK_CODE1_OFFSET = 4,
+ RK_MAX_CODE1_SIZE = 32 << 10,
+};
+
+/**
+ * rkcommon_set_header() - set up the header for a Rockchip boot image
+ *
+ * This sets up a 2KB header which can be interpreted by the Rockchip boot ROM.
+ *
+ * @buf: Pointer to header place (must be at least 2KB in size)
+ * @file_size: Size of the file we want the boot ROM to load, in bytes
+ * @return 0 if OK, -ENOSPC if too large
+ */
+int rkcommon_set_header(void *buf, uint file_size);
+
+#endif