1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/mtd/maps/lasat.c b/drivers/mtd/maps/lasat.c
new file mode 100644
index 000000000000..c658d4045ef2
--- /dev/null
+++ b/drivers/mtd/maps/lasat.c
@@ -0,0 +1,102 @@
+/*
+ * Flash device on Lasat 100 and 200 boards
+ *
+ * (C) 2002 Brian Murphy <brian@murphy.dk>
+ *
+ * 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.
+ *
+ * $Id: lasat.c,v 1.9 2004/11/04 13:24:15 gleixner Exp $
+ *
+ */
+
+#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 <asm/lasat/lasat.h>
+
+static struct mtd_info *lasat_mtd;
+
+static struct mtd_partition partition_info[LASAT_MTD_LAST];
+static char *lasat_mtd_partnames[] = {"Bootloader", "Service", "Normal", "Filesystem", "Config"};
+
+static void lasat_set_vpp(struct map_info *map, int vpp)
+{
+	if (vpp)
+	    *lasat_misc->flash_wp_reg |= 1 << lasat_misc->flash_wp_bit;
+	else
+	    *lasat_misc->flash_wp_reg &= ~(1 << lasat_misc->flash_wp_bit);
+}
+
+static struct map_info lasat_map = {
+	.name = "LASAT flash",
+	.bankwidth = 4,
+	.set_vpp = lasat_set_vpp
+};
+
+static int __init init_lasat(void)
+{
+	int i;
+	/* since we use AMD chips and set_vpp is not implimented
+	 * for these (yet) we still have to permanently enable flash write */
+	printk(KERN_NOTICE "Unprotecting flash\n");
+	ENABLE_VPP((&lasat_map));
+
+	lasat_map.phys = lasat_flash_partition_start(LASAT_MTD_BOOTLOADER);
+	lasat_map.virt = ioremap_nocache(
+		        lasat_map.phys, lasat_board_info.li_flash_size);
+	lasat_map.size = lasat_board_info.li_flash_size;
+
+	simple_map_init(&lasat_map);
+
+	for (i=0; i < LASAT_MTD_LAST; i++)
+		partition_info[i].name = lasat_mtd_partnames[i];
+
+	lasat_mtd = do_map_probe("cfi_probe", &lasat_map);
+
+	if (!lasat_mtd)
+	    lasat_mtd = do_map_probe("jedec_probe", &lasat_map);
+
+	if (lasat_mtd) {
+		u32 size, offset = 0;
+
+		lasat_mtd->owner = THIS_MODULE;
+
+		for (i=0; i < LASAT_MTD_LAST; i++) {
+			size = lasat_flash_partition_size(i);
+			partition_info[i].size = size;
+			partition_info[i].offset = offset;
+			offset += size;
+		}
+
+		add_mtd_partitions( lasat_mtd, partition_info, LASAT_MTD_LAST );
+		return 0;
+	}
+
+	return -ENXIO;
+}
+
+static void __exit cleanup_lasat(void)
+{
+	if (lasat_mtd) {
+		del_mtd_partitions(lasat_mtd);
+		map_destroy(lasat_mtd);
+	}
+	if (lasat_map.virt) {
+		lasat_map.virt = 0;
+	}
+}
+
+module_init(init_lasat);
+module_exit(cleanup_lasat);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Brian Murphy <brian@murphy.dk>");
+MODULE_DESCRIPTION("Lasat Safepipe/Masquerade MTD map driver");