This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / mtd / maps / sharpsl-flash.c

diff --git a/drivers/mtd/maps/sharpsl-flash.c b/drivers/mtd/maps/sharpsl-flash.c
new file mode 100644 (file)
index 0000000..b3b39cb
--- /dev/null
+++ b/drivers/mtd/maps/sharpsl-flash.c
@@ -0,0 +1,101 @@
+/*
+ * sharpsl-flash.c
+ * 
+ * Copyright (C) 2001 Lineo Japan, Inc.
+ * Copyright (C) 2002  SHARP
+ *
+ * $Id: sharpsl-flash.c,v 1.2 2004/11/24 20:38:06 rpurdie Exp $
+ *
+ * based on rpxlite.c,v 1.15 2001/10/02 15:05:14 dwmw2 Exp
+ *          Handle mapping of the flash on the RPX Lite and CLLF boards
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <asm/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#define WINDOW_ADDR 0x00000000
+#define WINDOW_SIZE 0x01000000
+#define BANK_WIDTH 2
+
+static struct mtd_info *mymtd;
+
+struct map_info sharpsl_map = {
+       .name = "sharpsl-flash",
+       .size = WINDOW_SIZE,
+       .bankwidth = BANK_WIDTH,
+       .phys = WINDOW_ADDR
+};
+
+static struct mtd_partition sharpsl_partitions[1] = {
+       {
+               name:           "Filesystem",
+               size:           0x006d0000,
+               offset:         0x00120000
+       }
+};
+
+#define NB_OF(x)  (sizeof(x)/sizeof(x[0]))
+
+int __init init_sharpsl(void)
+{
+       struct mtd_partition *parts;
+       int nb_parts = 0;
+       char *part_type = "static";
+
+       printk(KERN_NOTICE "Sharp SL series flash device: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
+       sharpsl_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
+       if (!sharpsl_map.virt) {
+               printk("Failed to ioremap\n");
+               return -EIO;
+       }
+       mymtd = do_map_probe("map_rom", &sharpsl_map);
+       if (!mymtd) {
+               iounmap(sharpsl_map.virt);
+               return -ENXIO;
+       }
+
+       mymtd->owner = THIS_MODULE;
+
+       parts = sharpsl_partitions;
+       nb_parts = NB_OF(sharpsl_partitions);
+
+       printk(KERN_NOTICE "Using %s partision definition\n", part_type);
+       add_mtd_partitions(mymtd, parts, nb_parts);
+
+       return 0;
+}
+
+static void __exit cleanup_sharpsl(void)
+{
+       if (mymtd) {
+               del_mtd_partitions(mymtd);
+               map_destroy(mymtd);
+       }
+       if (sharpsl_map.virt) {
+               iounmap(sharpsl_map.virt);
+               sharpsl_map.virt = 0;
+       }
+}
+
+module_init(init_sharpsl);
+module_exit(cleanup_sharpsl);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("SHARP (Original: Arnold Christensen <AKC@pel.dk>)");
+MODULE_DESCRIPTION("MTD map driver for SHARP SL series");