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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/rkimage.c
parent1b99e5bbb619f91c675306226a262a14c9d9a3a3 (diff)
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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/rkimage.c')
-rw-r--r--tools/rkimage.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/tools/rkimage.c b/tools/rkimage.c
new file mode 100644
index 0000000..7b292f4
--- /dev/null
+++ b/tools/rkimage.c
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * See README.rockchip for details of the rkimage format
+ */
+
+#include "imagetool.h"
+#include <image.h>
+
+static uint32_t header;
+
+static int rkimage_check_params(struct image_tool_params *params)
+{
+ return 0;
+}
+
+static int rkimage_verify_header(unsigned char *buf, int size,
+ struct image_tool_params *params)
+{
+ return 0;
+}
+
+static void rkimage_print_header(const void *buf)
+{
+}
+
+static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
+ struct image_tool_params *params)
+{
+ memcpy(buf, "RK32", 4);
+}
+
+static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)
+{
+ return 0;
+}
+
+static int rkimage_check_image_type(uint8_t type)
+{
+ if (type == IH_TYPE_RKIMAGE)
+ return EXIT_SUCCESS;
+ else
+ return EXIT_FAILURE;
+}
+
+/*
+ * rk_image parameters
+ */
+U_BOOT_IMAGE_TYPE(
+ rkimage,
+ "Rockchip Boot Image support",
+ 4,
+ &header,
+ rkimage_check_params,
+ rkimage_verify_header,
+ rkimage_print_header,
+ rkimage_set_header,
+ rkimage_extract_subimage,
+ rkimage_check_image_type,
+ NULL,
+ NULL
+);