avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/tools/omapimage.c

@@ -0,0 +1,178 @@
+/*
+ * (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"
+#include "omapimage.h"
+
+/* Header size is CH header rounded up to 512 bytes plus GP header */
+#define OMAP_CH_HDR_SIZE 512
+#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
+
+static int do_swap32 = 0;
+
+static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
+
+static int omapimage_check_image_types(uint8_t type)
+{
+	if (type == IH_TYPE_OMAPIMAGE)
+		return EXIT_SUCCESS;
+	return EXIT_FAILURE;
+}
+
+static int omapimage_verify_header(unsigned char *ptr, int image_size,
+			struct image_tool_params *params)
+{
+	struct ch_toc *toc = (struct ch_toc *)ptr;
+	struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
+	uint32_t offset, size;
+
+	while (toc->section_offset != 0xffffffff
+			&& toc->section_size != 0xffffffff) {
+		if (do_swap32) {
+			offset = cpu_to_be32(toc->section_offset);
+			size = cpu_to_be32(toc->section_size);
+		} else {
+			offset = toc->section_offset;
+			size = toc->section_size;
+		}
+		if (!offset || !size)
+			return -1;
+		if (offset >= OMAP_CH_HDR_SIZE ||
+		    offset+size >= OMAP_CH_HDR_SIZE)
+			return -1;
+		toc++;
+	}
+
+	return gph_verify_header(gph, do_swap32);
+}
+
+static void omapimage_print_section(struct ch_settings *chs)
+{
+	const char *section_name;
+
+	if (chs->section_key)
+		section_name = "CHSETTINGS";
+	else
+		section_name = "UNKNOWNKEY";
+
+	printf("%s (%x) "
+		"valid:%x "
+		"version:%x "
+		"reserved:%x "
+		"flags:%x\n",
+		section_name,
+		chs->section_key,
+		chs->valid,
+		chs->version,
+		chs->reserved,
+		chs->flags);
+}
+
+static void omapimage_print_header(const void *ptr)
+{
+	const struct ch_toc *toc = (struct ch_toc *)ptr;
+	const struct gp_header *gph =
+			(struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
+	uint32_t offset, size;
+
+	while (toc->section_offset != 0xffffffff
+			&& toc->section_size != 0xffffffff) {
+		if (do_swap32) {
+			offset = cpu_to_be32(toc->section_offset);
+			size = cpu_to_be32(toc->section_size);
+		} else {
+			offset = toc->section_offset;
+			size = toc->section_size;
+		}
+
+		if (offset >= OMAP_CH_HDR_SIZE ||
+		    offset+size >= OMAP_CH_HDR_SIZE)
+			exit(EXIT_FAILURE);
+
+		printf("Section %s offset %x length %x\n",
+			toc->section_name,
+			toc->section_offset,
+			toc->section_size);
+
+		omapimage_print_section((struct ch_settings *)(ptr+offset));
+		toc++;
+	}
+
+	gph_print_header(gph, do_swap32);
+}
+
+static int toc_offset(void *hdr, void *member)
+{
+	return member - hdr;
+}
+
+static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
+				struct image_tool_params *params)
+{
+	struct ch_toc *toc = (struct ch_toc *)ptr;
+	struct ch_settings *chs = (struct ch_settings *)
+					(ptr + 2 * sizeof(*toc));
+	struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE);
+
+	toc->section_offset = toc_offset(ptr, chs);
+	toc->section_size = sizeof(struct ch_settings);
+	strcpy((char *)toc->section_name, "CHSETTINGS");
+
+	chs->section_key = KEY_CHSETTINGS;
+	chs->valid = 0;
+	chs->version = 1;
+	chs->reserved = 0;
+	chs->flags = 0;
+
+	toc++;
+	memset(toc, 0xff, sizeof(*toc));
+
+	gph_set_header(gph, sbuf->st_size - OMAP_FILE_HDR_SIZE,
+		       params->addr, 0);
+
+	if (strncmp(params->imagename, "byteswap", 8) == 0) {
+		do_swap32 = 1;
+		int swapped = 0;
+		uint32_t *data = (uint32_t *)ptr;
+
+		while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
+			*data = cpu_to_be32(*data);
+			swapped++;
+			data++;
+		}
+	}
+}
+
+/*
+ * omapimage parameters
+ */
+U_BOOT_IMAGE_TYPE(
+	omapimage,
+	"TI OMAP CH/GP Boot Image support",
+	OMAP_FILE_HDR_SIZE,
+	(void *)&omapimage_header,
+	gpimage_check_params,
+	omapimage_verify_header,
+	omapimage_print_header,
+	omapimage_set_header,
+	NULL,
+	omapimage_check_image_types,
+	NULL,
+	NULL
+);