1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/mtd/maps/beech-mtd.c b/drivers/mtd/maps/beech-mtd.c
new file mode 100644
index 000000000000..5e79c9d5da2b
--- /dev/null
+++ b/drivers/mtd/maps/beech-mtd.c
@@ -0,0 +1,112 @@
+/*
+ * $Id: beech-mtd.c,v 1.10 2004/11/04 13:24:14 gleixner Exp $
+ * 
+ * drivers/mtd/maps/beech-mtd.c MTD mappings and partition tables for 
+ *                              IBM 405LP Beech 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Copyright (C) 2002, International Business Machines Corporation
+ * All Rights Reserved.
+ *
+ * Bishop Brock
+ * IBM Research, Austin Center for Low-Power Computing
+ * bcbrock@us.ibm.com
+ * March 2002
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+#include <asm/ibm4xx.h>
+
+#define NAME     "Beech Linux Flash"
+#define PADDR    BEECH_BIGFLASH_PADDR
+#define SIZE     BEECH_BIGFLASH_SIZE
+#define BUSWIDTH 1
+
+/* Flash memories on these boards are memory resources, accessed big-endian. */
+
+
+static struct map_info beech_mtd_map = {
+        .name =         NAME,
+        .size =         SIZE,
+        .bankwidth =    BUSWIDTH,
+        .phys =         PADDR
+};
+
+static struct mtd_info *beech_mtd;
+
+static struct mtd_partition beech_partitions[2] = {
+        {
+              .name = "Linux Kernel",
+              .size = BEECH_KERNEL_SIZE,
+              .offset = BEECH_KERNEL_OFFSET
+        }, {
+              .name = "Free Area",
+              .size = BEECH_FREE_AREA_SIZE,
+              .offset = BEECH_FREE_AREA_OFFSET
+        }
+};
+
+static int __init
+init_beech_mtd(void)
+{
+        printk("%s: 0x%08x at 0x%08x\n", NAME, SIZE, PADDR);
+
+        beech_mtd_map.virt = ioremap(PADDR, SIZE);
+
+        if (!beech_mtd_map.virt) {
+                printk("%s: failed to ioremap 0x%x\n", NAME, PADDR);
+                return -EIO;
+        }
+
+        simple_map_init(&beech_mtd_map);
+
+        printk("%s: probing %d-bit flash bus\n", NAME, BUSWIDTH * 8);
+        beech_mtd = do_map_probe("cfi_probe", &beech_mtd_map);
+
+        if (!beech_mtd)
+                return -ENXIO;
+
+        beech_mtd->owner = THIS_MODULE;
+
+        return add_mtd_partitions(beech_mtd, beech_partitions, 2);
+}
+
+static void __exit
+cleanup_beech_mtd(void)
+{
+        if (beech_mtd) {
+                del_mtd_partitions(beech_mtd);
+                map_destroy(beech_mtd);
+                iounmap((void *) beech_mtd_map.virt);
+        }
+}
+
+module_init(init_beech_mtd);
+module_exit(cleanup_beech_mtd);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Bishop Brock <bcbrock@us.ibm.com>");
+MODULE_DESCRIPTION("MTD map and partitions for IBM 405LP Beech boards");