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authorhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-01 21:44:37 +0000
committerhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-01 21:44:37 +0000
commit11c396f331348df1d0fc4878cb9a7013124819ed (patch)
treedea2b4dd9dbdbe2f1772e2549c22525d7c694cbf /target/linux/amazon/files/drivers/mtd
parent97e651b8465540b067405e212e9b073537d552d3 (diff)
mazon: use platform_device for most drivers and fix some printk's
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18989 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/amazon/files/drivers/mtd')
-rw-r--r--target/linux/amazon/files/drivers/mtd/maps/amazon.c46
1 files changed, 30 insertions, 16 deletions
diff --git a/target/linux/amazon/files/drivers/mtd/maps/amazon.c b/target/linux/amazon/files/drivers/mtd/maps/amazon.c
index 8c3114189..55bfe3237 100644
--- a/target/linux/amazon/files/drivers/mtd/maps/amazon.c
+++ b/target/linux/amazon/files/drivers/mtd/maps/amazon.c
@@ -20,6 +20,7 @@
// copyright 2007 john crispin <blogic@openwrt.org>
// copyright 2007 felix fietkau <nbd@openwrt.org>
+// copyright 2009 hauke mehrtens <hauke@hauke-m.de>
#include <linux/module.h>
#include <linux/types.h>
@@ -32,6 +33,7 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/cfi.h>
#include <linux/mutex.h>
+#include <linux/platform_device.h>
#include <asm/amazon/amazon.h>
#define AMAZON_PCI_ARB_CTL_ALT 0xb100205c
@@ -41,7 +43,6 @@
static struct map_info amazon_map = {
.name = "AMAZON_FLASH",
.bankwidth = 2,
- .size = 0x1000000,
};
static map_word amazon_read16(struct map_info * map, unsigned long ofs)
@@ -62,7 +63,6 @@ void amazon_copy_from(struct map_info *map, void *to, unsigned long from, ssize_
{
u8 *p;
u8 *to_8;
- ssize_t l = len;
from = (unsigned long) (from + map->virt);
p = (u8 *) from;
to_8 = (u8 *) to;
@@ -102,9 +102,6 @@ static struct mtd_partition amazon_partitions[3] = {
},
};
-
-unsigned long flash_start = 0x13000000;
-unsigned long flash_size = 0x800000;
unsigned long uImage_size = 0x10000d;
int find_uImage_size(unsigned long start_offset)
@@ -121,9 +118,8 @@ int find_uImage_size(unsigned long start_offset)
return temp + 0x40;
}
-int __init init_amazon_mtd(void)
+static int __init amazon_mtd_probe(struct platform_device *dev)
{
- int ret = 0;
unsigned long uimage_size;
struct mtd_info *mymtd = NULL;
struct mtd_partition *parts = NULL;
@@ -135,18 +131,19 @@ int __init init_amazon_mtd(void)
amazon_map.copy_from = amazon_copy_from;
amazon_map.copy_to = amazon_copy_to;
- amazon_map.phys = flash_start;
- amazon_map.virt = ioremap_nocache(flash_start, flash_size);
+ amazon_map.phys = dev->resource->start;
+ amazon_map.size = dev->resource->end - amazon_map.phys + 1;
+ amazon_map.virt = ioremap_nocache(amazon_map.phys, amazon_map.size);
if (!amazon_map.virt) {
- printk(KERN_WARNING "Failed to ioremap!\n");
+ printk(KERN_WARNING "amazon_mtd: Failed to ioremap!\n");
return -EIO;
}
mymtd = (struct mtd_info *) do_map_probe("cfi_probe", &amazon_map);
if (!mymtd) {
iounmap(amazon_map.virt);
- printk("probing failed\n");
+ printk(KERN_WARNING "amazon_mtd: probing failed\n");
return -ENXIO;
}
@@ -173,18 +170,35 @@ int __init init_amazon_mtd(void)
add_mtd_partitions(mymtd, parts, 3);
printk(KERN_INFO "amazon_mtd: added %s flash with %dMB\n",
- amazon_map.name, mymtd->size >> 20);
+ amazon_map.name, ((int)mymtd->size) >> 20);
return 0;
}
-static void __exit cleanup_amazon_mtd(void)
+static struct platform_driver amazon_mtd_driver = {
+ .probe = amazon_mtd_probe,
+ .driver = {
+ .name = "amazon_mtd",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init amazon_mtd_init(void)
{
- /* FIXME! */
+ int ret = platform_driver_register(&amazon_mtd_driver);
+ if (ret)
+ printk(KERN_WARNING "amazon_mtd: error registering platfom driver!\n");
+ return ret;
}
-module_init(init_amazon_mtd);
-module_exit(cleanup_amazon_mtd);
+static void __exit amazon_mtd_cleanup(void)
+{
+ platform_driver_unregister(&amazon_mtd_driver);
+}
+
+module_init(amazon_mtd_init);
+module_exit(amazon_mtd_cleanup);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("john crispin blogic@openwrt.org");
MODULE_DESCRIPTION("MTD map driver for AMAZON boards");
+