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

[linux-2.6.git] / drivers / mtd / maps / mpc1211.c

diff --git a/drivers/mtd/maps/mpc1211.c b/drivers/mtd/maps/mpc1211.c
new file mode 100644 (file)
index 0000000..cc55200
--- /dev/null
+++ b/drivers/mtd/maps/mpc1211.c
@@ -0,0 +1,81 @@
+/*
+ * Flash on MPC-1211
+ *
+ * $Id: mpc1211.c,v 1.3 2004/07/14 17:45:40 dwmw2 Exp $
+ *
+ * (C) 2002 Interface, Saito.K & Jeanne
+ *
+ * GPL'd
+ */
+
+#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>
+#include <linux/config.h>
+
+static struct mtd_info *flash_mtd;
+static struct mtd_partition *parsed_parts;
+
+struct map_info mpc1211_flash_map = {
+       .name           = "MPC-1211 FLASH",
+       .size           = 0x80000,
+       .bankwidth      = 1,
+};
+
+static struct mtd_partition mpc1211_partitions[] = {
+       {
+               .name   = "IPL & ETH-BOOT",
+               .offset = 0x00000000,
+               .size   = 0x10000,
+       },
+       {
+               .name   = "Flash FS",
+               .offset = 0x00010000,
+               .size   = MTDPART_SIZ_FULL,
+       }
+};
+
+static int __init init_mpc1211_maps(void)
+{
+       int nr_parts;
+
+       mpc1211_flash_map.phys = 0;
+       mpc1211_flash_map.virt = P2SEGADDR(0);
+
+       simple_map_init(&mpc1211_flash_map);
+
+       printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n");
+       flash_mtd = do_map_probe("jedec_probe", &mpc1211_flash_map);
+       if (!flash_mtd) {
+               printk(KERN_NOTICE "Flash chips not detected at either possible location.\n");
+               return -ENXIO;
+       }
+       printk(KERN_NOTICE "MPC-1211: Flash at 0x%08lx\n", mpc1211_flash_map.virt & 0x1fffffff);
+       flash_mtd->module = THIS_MODULE;
+
+       parsed_parts = mpc1211_partitions;
+       nr_parts = ARRAY_SIZE(mpc1211_partitions);
+
+       add_mtd_partitions(flash_mtd, parsed_parts, nr_parts);
+       return 0;
+}
+
+static void __exit cleanup_mpc1211_maps(void)
+{
+       if (parsed_parts)
+               del_mtd_partitions(flash_mtd);
+       else
+               del_mtd_device(flash_mtd);
+       map_destroy(flash_mtd);
+}
+
+module_init(init_mpc1211_maps);
+module_exit(cleanup_mpc1211_maps);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Saito.K & Jeanne <ksaito@interface.co.jp>");
+MODULE_DESCRIPTION("MTD map driver for MPC-1211 boards. Interface");