1 files changed, 100 insertions, 0 deletions

diff --git a/drivers/mtd/maps/mbx860.c b/drivers/mtd/maps/mbx860.c
new file mode 100644
index 000000000000..c5c6901a4763
--- /dev/null
+++ b/drivers/mtd/maps/mbx860.c
@@ -0,0 +1,100 @@
+/*
+ * $Id: mbx860.c,v 1.8 2004/11/04 13:24:15 gleixner Exp $
+ *
+ * Handle mapping of the flash on MBX860 boards
+ *
+ * Author:      Anton Todorov
+ * Copyright:   (C) 2001 Emness Technology
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+
+#define WINDOW_ADDR 0xfe000000
+#define WINDOW_SIZE 0x00200000
+
+/* Flash / Partition sizing */
+#define MAX_SIZE_KiB              8192
+#define BOOT_PARTITION_SIZE_KiB    512
+#define KERNEL_PARTITION_SIZE_KiB 5632
+#define APP_PARTITION_SIZE_KiB    2048
+
+#define NUM_PARTITIONS 3
+
+/* partition_info gives details on the logical partitions that the split the
+ * single flash device into. If the size if zero we use up to the end of the
+ * device. */
+static struct mtd_partition partition_info[]={
+        { .name = "MBX flash BOOT partition",
+        .offset = 0,
+        .size =   BOOT_PARTITION_SIZE_KiB*1024 },
+        { .name = "MBX flash DATA partition",
+        .offset = BOOT_PARTITION_SIZE_KiB*1024,
+        .size = (KERNEL_PARTITION_SIZE_KiB)*1024 },
+        { .name = "MBX flash APPLICATION partition",
+        .offset = (BOOT_PARTITION_SIZE_KiB+KERNEL_PARTITION_SIZE_KiB)*1024 }
+};
+                                   
+
+static struct mtd_info *mymtd;
+
+struct map_info mbx_map = {
+        .name = "MBX flash",
+        .size = WINDOW_SIZE,
+        .phys = WINDOW_ADDR,
+        .bankwidth = 4,
+};
+
+int __init init_mbx(void)
+{
+        printk(KERN_NOTICE "Motorola MBX flash device: 0x%x at 0x%x\n", WINDOW_SIZE*4, WINDOW_ADDR);
+        mbx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4);
+
+        if (!mbx_map.virt) {
+                printk("Failed to ioremap\n");
+                return -EIO;
+        }
+        simple_map_init(&mbx_map);
+
+        mymtd = do_map_probe("jedec_probe", &mbx_map);
+        if (mymtd) {
+                mymtd->owner = THIS_MODULE;
+                add_mtd_device(mymtd);
+                add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
+                return 0;
+        }
+
+        iounmap((void *)mbx_map.virt);
+        return -ENXIO;
+}
+
+static void __exit cleanup_mbx(void)
+{
+        if (mymtd) {
+                del_mtd_device(mymtd);
+                map_destroy(mymtd);
+        }
+        if (mbx_map.virt) {
+                iounmap((void *)mbx_map.virt);
+                mbx_map.virt = 0;
+        }
+}
+
+module_init(init_mbx);
+module_exit(cleanup_mbx);
+
+MODULE_AUTHOR("Anton Todorov <a.todorov@emness.com>");
+MODULE_DESCRIPTION("MTD map driver for Motorola MBX860 board");
+MODULE_LICENSE("GPL");