[U-Boot] [PATCH v2 16/18] rockchip: Add the beginnings of an image tool

[Simon Glass <sjg@chromium.org>]

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 intiially.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v2: None

 common/image.c  |  1 +
 include/image.h |  3 ++-
 tools/Makefile  |  1 +
 tools/rkimage.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 tools/rkimage.c

diff --git a/common/image.c b/common/image.c
index d18e02d..096c662 100644
--- a/common/image.c
+++ b/common/image.c
@@ -151,6 +151,7 @@ static const table_entry_t uimage_type[] = {
 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
+	{	IH_TYPE_ROCKCHIP,   "rockchip",   "Rockchip Boot Image" },
 	{	-1,		    "",		  "",			},
 };
 
diff --git a/include/image.h b/include/image.h
index a4a8ff6..4dc24bc 100644
--- a/include/image.h
+++ b/include/image.h
@@ -244,8 +244,9 @@ struct lmb;
 #define IH_TYPE_SOCFPGAIMAGE	19	/* Altera SOCFPGA Preloader	*/
 #define IH_TYPE_X86_SETUP	20	/* x86 setup.bin Image		*/
 #define IH_TYPE_LPC32XXIMAGE	21	/* x86 setup.bin Image		*/
+#define IH_TYPE_ROCKCHIP	22	/* Rockchip Boot Image		*/
 
-#define IH_TYPE_COUNT		22	/* Number of image types */
+#define IH_TYPE_COUNT		23	/* Number of image types */
 
 /*
  * Compression Types
diff --git a/tools/Makefile b/tools/Makefile
index 003bfc6..d76d707 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -90,6 +90,7 @@ dumpimage-mkimage-objs := aisimage.o \
 			os_support.o \
 			pblimage.o \
 			pbl_crc32.o \
+			rkimage.o \
 			socfpgaimage.o \
 			lib/sha1.o \
 			lib/sha256.o \
diff --git a/tools/rkimage.c b/tools/rkimage.c
new file mode 100644
index 0000000..433b5eb
--- /dev/null
+++ b/tools/rkimage.c
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#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_ROCKCHIP)
+		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
+);
-- 
2.2.0.rc0.207.ga3a616c