Preliminary ADM5120 support, marked as broken

[openwrt/svn-archive/archive.git] / target / linux / adm5120-2.6 / files / drivers / mtd / maps / adm5120_mtd.c

diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
new file mode 100644 (file)
index 0000000..a9e97cb
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
@@ -0,0 +1,55 @@
+/*
+ *     Flash device on the ADM5120 board
+ *
+ *     Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ *     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/autoconf.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+
+#define FLASH_PHYS_ADDR                0x1FC00000
+#define FLASH_SIZE             0x200000  
+
+static struct mtd_info *adm5120_mtd;
+
+static struct map_info adm5120_mtd_map = {
+       .name = "ADM5120",
+       .size = FLASH_SIZE,
+       .bankwidth = 2,
+       .phys = FLASH_PHYS_ADDR,
+};
+
+static int __init adm5120_mtd_init(void)
+{
+       printk(KERN_INFO "ADM5120 board flash (0x%x at 0x%x)\n", FLASH_SIZE,
+           FLASH_PHYS_ADDR);
+       adm5120_mtd_map.virt = ioremap_nocache(FLASH_PHYS_ADDR, FLASH_SIZE);
+       simple_map_init(&adm5120_mtd_map);
+       adm5120_mtd = do_map_probe("cfi_probe", &adm5120_mtd_map);
+       if (adm5120_mtd) {
+               adm5120_mtd->owner = THIS_MODULE;
+               add_mtd_device(adm5120_mtd);
+               return 0;
+       }
+       return -ENXIO;
+}
+
+static void __exit adm5120_mtd_exit(void)
+{
+       del_mtd_device(adm5120_mtd);
+       map_destroy(adm5120_mtd);
+}
+
+module_init(adm5120_mtd_init);
+module_exit(adm5120_mtd_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+MODULE_DESCRIPTION("MTD map driver for ADM5120 boards");