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-rw-r--r--kernel/arch/cris/include/asm/axisflashmap.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/kernel/arch/cris/include/asm/axisflashmap.h b/kernel/arch/cris/include/asm/axisflashmap.h
new file mode 100644
index 000000000..015ca5445
--- /dev/null
+++ b/kernel/arch/cris/include/asm/axisflashmap.h
@@ -0,0 +1,61 @@
+#ifndef __ASM_AXISFLASHMAP_H
+#define __ASM_AXISFLASHMAP_H
+
+/* Bootblock parameters are stored at 0xc000 and has the FLASH_BOOT_MAGIC
+ * as start, it ends with 0xFFFFFFFF */
+#define FLASH_BOOT_MAGIC 0xbeefcace
+#define BOOTPARAM_OFFSET 0xc000
+/* apps/bootblocktool is used to read and write the parameters,
+ * and it has nothing to do with the partition table.
+ */
+
+#define PARTITION_TABLE_OFFSET 10
+#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
+
+/* The partitiontable_head is located at offset +10: */
+struct partitiontable_head {
+ __u16 magic; /* PARTITION_TABLE_MAGIC */
+ __u16 size; /* Length of ptable block (entries + end marker) */
+ __u32 checksum; /* simple longword sum, over entries + end marker */
+};
+
+/* And followed by partition table entries */
+struct partitiontable_entry {
+ __u32 offset; /* relative to the sector the ptable is in */
+ __u32 size; /* in bytes */
+ __u32 checksum; /* simple longword sum */
+ __u16 type; /* see type codes below */
+ __u16 flags; /* bit 0: ro/rw = 1/0 */
+ __u32 future0; /* 16 bytes reserved for future use */
+ __u32 future1;
+ __u32 future2;
+ __u32 future3;
+};
+/* ended by an end marker: */
+#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
+#define PARTITIONTABLE_END_MARKER_SIZE 4
+
+#define PARTITIONTABLE_END_PAD 10
+
+/* Complete structure for whole partition table */
+/* note that table may end before CONFIG_ETRAX_PTABLE_ENTRIES by setting
+ * offset of the last entry + 1 to PARTITIONTABLE_END_MARKER.
+ */
+struct partitiontable {
+ __u8 skip[PARTITION_TABLE_OFFSET];
+ struct partitiontable_head head;
+ struct partitiontable_entry entries[];
+};
+
+#define PARTITION_TYPE_PARAM 0x0001
+#define PARTITION_TYPE_KERNEL 0x0002
+#define PARTITION_TYPE_JFFS 0x0003
+#define PARTITION_TYPE_JFFS2 0x0000
+
+#define PARTITION_FLAGS_READONLY_MASK 0x0001
+#define PARTITION_FLAGS_READONLY 0x0001
+
+/* The master mtd for the entire flash. */
+extern struct mtd_info *axisflash_mtd;
+
+#endif