Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / cris / include / asm / axisflashmap.h

diff --git a/kernel/arch/cris/include/asm/axisflashmap.h b/kernel/arch/cris/include/asm/axisflashmap.h
new file mode 100644 (file)
index 0000000..015ca54
--- /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