1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/mtd/maps/pnc2000.c b/drivers/mtd/maps/pnc2000.c
new file mode 100644
index 0000000..a0f43da
--- /dev/null
+++ b/drivers/mtd/maps/pnc2000.c
@@ -0,0 +1,93 @@
+/*
+ *	pnc2000.c - mapper for Photron PNC-2000 board.
+ *
+ * Copyright (C) 2000 Crossnet Co. <info@crossnet.co.jp>
+ *
+ * This code is GPL
+ *
+ * $Id: pnc2000.c,v 1.17 2004/11/16 18:29:02 dwmw2 Exp $
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+
+#define WINDOW_ADDR 0xbf000000
+#define WINDOW_SIZE 0x00400000
+
+/* 
+ * MAP DRIVER STUFF
+ */
+
+
+static struct map_info pnc_map = {
+	.name = "PNC-2000",
+	.size = WINDOW_SIZE,
+	.bankwidth = 4,
+	.phys = 0xFFFFFFFF,
+	.virt = (void __iomem *)WINDOW_ADDR,
+};
+
+
+/*
+ * MTD 'PARTITIONING' STUFF 
+ */
+static struct mtd_partition pnc_partitions[3] = {
+	{
+		.name = "PNC-2000 boot firmware",
+		.size = 0x20000,
+		.offset = 0
+	},
+	{
+		.name = "PNC-2000 kernel",
+		.size = 0x1a0000,
+		.offset = 0x20000
+	},
+	{
+		.name = "PNC-2000 filesystem",
+		.size = 0x240000,
+		.offset = 0x1c0000
+	}
+};
+
+/* 
+ * This is the master MTD device for which all the others are just
+ * auto-relocating aliases.
+ */
+static struct mtd_info *mymtd;
+
+static int __init init_pnc2000(void)
+{
+	printk(KERN_NOTICE "Photron PNC-2000 flash mapping: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
+
+	simple_map_init(&pnc_map);
+
+	mymtd = do_map_probe("cfi_probe", &pnc_map);
+	if (mymtd) {
+		mymtd->owner = THIS_MODULE;
+		return add_mtd_partitions(mymtd, pnc_partitions, 3);
+	}
+
+	return -ENXIO;
+}
+
+static void __exit cleanup_pnc2000(void)
+{
+	if (mymtd) {
+		del_mtd_partitions(mymtd);
+		map_destroy(mymtd);
+	}
+}
+
+module_init(init_pnc2000);
+module_exit(cleanup_pnc2000);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp>");
+MODULE_DESCRIPTION("MTD map driver for Photron PNC-2000 board");