1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/mtd/maps/iq80310.c b/drivers/mtd/maps/iq80310.c
new file mode 100644
index 0000000..558d014
--- /dev/null
+++ b/drivers/mtd/maps/iq80310.c
@@ -0,0 +1,119 @@
+/*
+ * $Id: iq80310.c,v 1.20 2004/11/04 13:24:15 gleixner Exp $
+ *
+ * Mapping for the Intel XScale IQ80310 evaluation board
+ *
+ * Author:	Nicolas Pitre
+ * Copyright:	(C) 2001 MontaVista Software Inc.
+ * 
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <asm/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+
+#define WINDOW_ADDR 	0
+#define WINDOW_SIZE 	8*1024*1024
+#define BUSWIDTH 	1
+
+static struct mtd_info *mymtd;
+
+static struct map_info iq80310_map = {
+	.name = "IQ80310 flash",
+	.size = WINDOW_SIZE,
+	.bankwidth = BUSWIDTH,
+	.phys = WINDOW_ADDR
+};
+
+static struct mtd_partition iq80310_partitions[4] = {
+	{
+		.name =		"Firmware",
+		.size =		0x00080000,
+		.offset =	0,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	},{
+		.name =		"Kernel",
+		.size =		0x000a0000,
+		.offset =	0x00080000,
+	},{
+		.name =		"Filesystem",
+		.size =		0x00600000,
+		.offset =	0x00120000
+	},{
+		.name =		"RedBoot",
+		.size =		0x000e0000,
+		.offset =	0x00720000,
+		.mask_flags =	MTD_WRITEABLE
+	}
+};
+
+static struct mtd_info *mymtd;
+static struct mtd_partition *parsed_parts;
+static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
+
+static int __init init_iq80310(void)
+{
+	struct mtd_partition *parts;
+	int nb_parts = 0;
+	int parsed_nr_parts = 0;
+	int ret;
+
+	iq80310_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
+	if (!iq80310_map.virt) {
+		printk("Failed to ioremap\n");
+		return -EIO;
+	}
+	simple_map_init(&iq80310_map);
+
+	mymtd = do_map_probe("cfi_probe", &iq80310_map);
+	if (!mymtd) {
+		iounmap((void *)iq80310_map.virt);
+		return -ENXIO;
+	}
+	mymtd->owner = THIS_MODULE;
+
+	ret = parse_mtd_partitions(mymtd, probes, &parsed_parts, 0);
+
+	if (ret > 0)
+		parsed_nr_parts = ret;
+
+	if (parsed_nr_parts > 0) {
+		parts = parsed_parts;
+		nb_parts = parsed_nr_parts;
+	} else {
+		parts = iq80310_partitions;
+		nb_parts = ARRAY_SIZE(iq80310_partitions);
+	}
+	add_mtd_partitions(mymtd, parts, nb_parts);
+	return 0;
+}
+
+static void __exit cleanup_iq80310(void)
+{
+	if (mymtd) {
+		del_mtd_partitions(mymtd);
+		map_destroy(mymtd);
+		if (parsed_parts)
+			kfree(parsed_parts);
+	}
+	if (iq80310_map.virt)
+		iounmap((void *)iq80310_map.virt);
+}
+
+module_init(init_iq80310);
+module_exit(cleanup_iq80310);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
+MODULE_DESCRIPTION("MTD map driver for Intel XScale IQ80310 evaluation board");