Added TOC partition support

TOC partition support added under disk
New files: part_toc.c, part_toc.h

CONFIG_TOC_PARTITION needs to be set for it to be activated.

ST-Ericsson ID: ER256835

Change-Id: I301b0650cb73b34f04b80dd5f27babdbf7ba09e1
Signed-off-by: Peter Nessrup <peter.nessrup@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/4369
Reviewed-by: Sebastian RASMUSSEN <sebastian.rasmussen@stericsson.com>
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Reviewed-by: Ulf HANSSON <ulf.hansson@stericsson.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/disk/part_toc.h b/disk/part_toc.h
new file mode 100644
index 000000000..fbe7624ba
--- /dev/null
+++ b/disk/part_toc.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ * Author: Peter Nessrup <peter.nessrup@stericsson.com> for
+ * ST-Ericsson.
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+#ifndef _DISK_PART_TOC_H
+#define _DISK_PART_TOC_H
+
+#define SUPPORTED_SECTOR_SIZE	512
+#define TOC_MAGIC		"ISSW"
+#define TOC_ID_NO_ENTRY	"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
+#define TOC_MAX_ENTRIES		(SUPPORTED_SECTOR_SIZE/sizeof(toc_entry_t))
+#define MAX_NUM_TOCS		4
+#define TOC_BOOT_IMAGE_SIZE	(0x20000 / SUPPORTED_SECTOR_SIZE)
+#define NO_TOC			-1
+#define TOC_ID_LENGTH		12
+
+/* Sub TOC identifier in the 'flags' field is 'ST' */
+#define FLAGS_SUB_TOC		0x00005354
+#define FLAGS_PARTITION		0x00000001
+
+typedef struct __attribute__ ((__packed__)) {
+	u32 offset;
+	u32 size;
+	u32 flags;
+	u32 align;
+	u32 loadaddr;
+	u8  id[TOC_ID_LENGTH];
+} toc_entry_t;
+
+typedef struct {
+	u8  id[TOC_ID_LENGTH];
+	u32 num_items;
+	u32 location;
+	u32 cached_section;
+	toc_entry_t cache[TOC_MAX_ENTRIES];
+} subtoc_t;
+
+typedef struct {
+	u32 start;
+	u32 size;
+	u8  name[12];
+	u32 cfg_offset;
+	u32 type;
+	u32 unused;
+} toc_part_entry_t;
+#endif	/* _DISK_PART_TOC_H */