summaryrefslogtreecommitdiff
path: root/include/linux/mtd/physmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/mtd/physmap.h')
-rw-r--r--include/linux/mtd/physmap.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h
new file mode 100644
index 000000000000..05aa4970677f
--- /dev/null
+++ b/include/linux/mtd/physmap.h
@@ -0,0 +1,61 @@
+/*
+ * For boards with physically mapped flash and using
+ * drivers/mtd/maps/physmap.c mapping driver.
+ *
+ * $Id: physmap.h,v 1.3 2004/07/21 00:16:15 jwboyer Exp $
+ *
+ * Copyright (C) 2003 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __LINUX_MTD_PHYSMAP__
+
+#include <linux/config.h>
+
+#if defined(CONFIG_MTD_PHYSMAP)
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+/*
+ * The map_info for physmap. Board can override size, buswidth, phys,
+ * (*set_vpp)(), etc in their initial setup routine.
+ */
+extern struct map_info physmap_map;
+
+/*
+ * Board needs to specify the exact mapping during their setup time.
+ */
+static inline void physmap_configure(unsigned long addr, unsigned long size, int bankwidth, void (*set_vpp)(struct map_info *, int) )
+{
+ physmap_map.phys = addr;
+ physmap_map.size = size;
+ physmap_map.bankwidth = bankwidth;
+ physmap_map.set_vpp = set_vpp;
+}
+
+#if defined(CONFIG_MTD_PARTITIONS)
+
+/*
+ * Machines that wish to do flash partition may want to call this function in
+ * their setup routine.
+ *
+ * physmap_set_partitions(mypartitions, num_parts);
+ *
+ * Note that one can always override this hard-coded partition with
+ * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
+ */
+void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
+
+#endif /* defined(CONFIG_MTD_PARTITIONS) */
+#endif /* defined(CONFIG_MTD) */
+
+#endif /* __LINUX_MTD_PHYSMAP__ */
+