1 files changed, 126 insertions, 0 deletions

diff --git a/drivers/mtd/maps/dbox2-flash.c b/drivers/mtd/maps/dbox2-flash.c
new file mode 100644
index 000000000000..d850a27a4b59
--- /dev/null
+++ b/drivers/mtd/maps/dbox2-flash.c
@@ -0,0 +1,126 @@
+/*
+ * $Id: dbox2-flash.c,v 1.13 2004/11/04 13:24:14 gleixner Exp $
+ *
+ * D-Box 2 flash driver
+ */
+
+#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>
+#include <linux/config.h>
+#include <linux/errno.h>
+
+/* 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           = "BR bootloader",
+        .size           = 128 * 1024, 
+        .offset         = 0,                  
+        .mask_flags     = MTD_WRITEABLE
+        },
+        {
+        .name           = "FLFS (U-Boot)",
+        .size           = 128 * 1024, 
+        .offset         = MTDPART_OFS_APPEND, 
+        .mask_flags     = 0
+        },
+        {
+        .name           = "Root (SquashFS)",    
+        .size           = 7040 * 1024, 
+        .offset         = MTDPART_OFS_APPEND, 
+        .mask_flags     = 0
+        },
+        {
+        .name           = "var (JFFS2)",
+        .size           = 896 * 1024, 
+        .offset         = MTDPART_OFS_APPEND, 
+        .mask_flags     = 0
+        },
+        {
+        .name           = "Flash without bootloader",   
+        .size           = MTDPART_SIZ_FULL, 
+        .offset         = 128 * 1024, 
+        .mask_flags     = 0
+        },
+        {
+        .name           = "Complete Flash",     
+        .size           = MTDPART_SIZ_FULL, 
+        .offset         = 0, 
+        .mask_flags     = MTD_WRITEABLE
+        }
+};
+
+#define NUM_PARTITIONS (sizeof(partition_info) / sizeof(partition_info[0]))
+
+#define WINDOW_ADDR 0x10000000
+#define WINDOW_SIZE 0x800000
+
+static struct mtd_info *mymtd;
+
+
+struct map_info dbox2_flash_map = {
+        .name           = "D-Box 2 flash memory",
+        .size           = WINDOW_SIZE,
+        .bankwidth      = 4,
+        .phys           = WINDOW_ADDR,
+};
+
+int __init init_dbox2_flash(void)
+{
+        printk(KERN_NOTICE "D-Box 2 flash driver (size->0x%X mem->0x%X)\n", WINDOW_SIZE, WINDOW_ADDR);
+        dbox2_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
+
+        if (!dbox2_flash_map.virt) {
+                printk("Failed to ioremap\n");
+                return -EIO;
+        }
+        simple_map_init(&dbox2_flash_map);
+
+        // Probe for dual Intel 28F320 or dual AMD
+        mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
+        if (!mymtd) {
+            // Probe for single Intel 28F640
+            dbox2_flash_map.bankwidth = 2;
+        
+            mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
+        }
+            
+        if (mymtd) {
+                mymtd->owner = THIS_MODULE;
+
+                /* Create MTD devices for each partition. */
+                add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
+                
+                return 0;
+        }
+
+        iounmap((void *)dbox2_flash_map.virt);
+        return -ENXIO;
+}
+
+static void __exit cleanup_dbox2_flash(void)
+{
+        if (mymtd) {
+                del_mtd_partitions(mymtd);
+                map_destroy(mymtd);
+        }
+        if (dbox2_flash_map.virt) {
+                iounmap((void *)dbox2_flash_map.virt);
+                dbox2_flash_map.virt = 0;
+        }
+}
+
+module_init(init_dbox2_flash);
+module_exit(cleanup_dbox2_flash);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Kári Davíđsson <kd@flaga.is>, Bastian Blank <waldi@tuxbox.org>, Alexander Wild <wild@te-elektronik.com>");
+MODULE_DESCRIPTION("MTD map driver for D-Box 2 board");