tools: mkimage: add support for gpimage format

This patch add support for gpimage format as a preparatory
patch for porting u-boot for keystone2 devices and is
based on omapimage format. It re-uses gph header to store the
size and loadaddr as done in omapimage.c

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Tom Rini <trini@ti.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/tools/gpimage-common.c b/tools/gpimage-common.c
new file mode 100644
index 0000000..b343a3a
--- /dev/null
+++ b/tools/gpimage-common.c
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated
+ * Refactored common functions in to gpimage-common.c.
+ *
+ * (C) Copyright 2010
+ * Linaro LTD, www.linaro.org
+ * Author: John Rigby <john.rigby@linaro.org>
+ * Based on TI's signGP.c
+ *
+ * (C) Copyright 2009
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * (C) Copyright 2008
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "imagetool.h"
+#include <compiler.h>
+#include <image.h>
+#include "gpheader.h"
+
+/* Helper to convert size and load_addr to big endian */
+void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
+{
+	*gph_size = cpu_to_be32(*gph_size);
+	*gph_load_addr = cpu_to_be32(*gph_load_addr);
+}
+
+int gph_verify_header(struct gp_header *gph, int be)
+{
+	uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
+
+	if (be)
+		to_be32(&gph_size, &gph_load_addr);
+
+	if (!gph_size || !gph_load_addr)
+		return -1;
+
+	return 0;
+}
+
+void gph_print_header(const struct gp_header *gph, int be)
+{
+	uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
+
+	if (be)
+		to_be32(&gph_size, &gph_load_addr);
+
+	if (!gph_size) {
+		fprintf(stderr, "Error: invalid image size %x\n", gph_size);
+		exit(EXIT_FAILURE);
+	}
+
+	if (!gph_load_addr) {
+		fprintf(stderr, "Error: invalid image load address %x\n",
+			gph_load_addr);
+		exit(EXIT_FAILURE);
+	}
+	printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
+}
+
+void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
+	int be)
+{
+	gph->size = size;
+	gph->load_addr = load_addr;
+	if (be)
+		to_be32(&gph->size, &gph->load_addr);
+}
+
+int gpimage_check_params(struct image_tool_params *params)
+{
+	return	(params->dflag && (params->fflag || params->lflag)) ||
+		(params->fflag && (params->dflag || params->lflag)) ||
+		(params->lflag && (params->dflag || params->fflag));
+}