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path: root/drivers/mtd/maps/mpc1211.c
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Diffstat (limited to 'drivers/mtd/maps/mpc1211.c')
-rw-r--r--drivers/mtd/maps/mpc1211.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/mtd/maps/mpc1211.c b/drivers/mtd/maps/mpc1211.c
new file mode 100644
index 00000000000..4685e8e1346
--- /dev/null
+++ b/drivers/mtd/maps/mpc1211.c
@@ -0,0 +1,81 @@
+/*
+ * Flash on MPC-1211
+ *
+ * $Id: mpc1211.c,v 1.4 2004/09/16 23:27:13 gleixner 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 = (void __iomem *)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");