/*
- * $Id: ixp2000.c,v 1.5 2004/11/16 17:15:48 dsaxena Exp $
+ * $Id: ixp2000.c,v 1.9 2005/11/07 11:14:27 gleixner Exp $
*
* drivers/mtd/maps/ixp2000.c
*
* 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/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
#include <asm/io.h>
#include <asm/hardware.h>
-#include <asm/mach-types.h>
#include <asm/mach/flash.h>
#include <linux/reboot.h>
};
static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs)
-{
- unsigned long (*set_bank)(unsigned long) =
+{
+ unsigned long (*set_bank)(unsigned long) =
(unsigned long(*)(unsigned long))map->map_priv_2;
return (set_bank ? set_bank(ofs) : ofs);
#ifdef __ARMEB__
/*
- * Rev A0 and A1 of IXP2400 silicon have a broken addressing unit which
- * causes the lower address bits to be XORed with 0x11 on 8 bit accesses
+ * Rev A0 and A1 of IXP2400 silicon have a broken addressing unit which
+ * causes the lower address bits to be XORed with 0x11 on 8 bit accesses
* and XORed with 0x10 on 16 bit accesses. See the spec update, erratum 44.
*/
static int erratum44_workaround = 0;
unsigned long from, ssize_t len)
{
from = flash_bank_setup(map, from);
- while(len--)
+ while(len--)
*(__u8 *) to++ = *(__u8 *)(map->map_priv_1 + from++);
}
}
-static int ixp2000_flash_remove(struct device *_dev)
+static int ixp2000_flash_remove(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(_dev);
struct flash_platform_data *plat = dev->dev.platform_data;
- struct ixp2000_flash_info *info = dev_get_drvdata(&dev->dev);
+ struct ixp2000_flash_info *info = platform_get_drvdata(dev);
- dev_set_drvdata(&dev->dev, NULL);
+ platform_set_drvdata(dev, NULL);
if(!info)
return 0;
if (info->map.map_priv_1)
iounmap((void *) info->map.map_priv_1);
- if (info->partitions) {
- kfree(info->partitions); }
+ kfree(info->partitions);
if (info->res) {
release_resource(info->res);
}
-static int ixp2000_flash_probe(struct device *_dev)
+static int ixp2000_flash_probe(struct platform_device *dev)
{
static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
- struct platform_device *dev = to_platform_device(_dev);
struct ixp2000_flash_data *ixp_data = dev->dev.platform_data;
- struct flash_platform_data *plat;
+ struct flash_platform_data *plat;
struct ixp2000_flash_info *info;
unsigned long window_size;
int err = -1;
-
+
if (!ixp_data)
return -ENODEV;
return -ENODEV;
window_size = dev->resource->end - dev->resource->start + 1;
- dev_info(_dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n",
- ixp_data->nr_banks, ((u32)window_size >> 20));
+ dev_info(&dev->dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n",
+ ixp_data->nr_banks, ((u32)window_size >> 20));
if (plat->width != 1) {
- dev_err(_dev, "IXP2000 MTD map only supports 8-bit mode, asking for %d\n",
- plat->width * 8);
+ dev_err(&dev->dev, "IXP2000 MTD map only supports 8-bit mode, asking for %d\n",
+ plat->width * 8);
return -EIO;
}
if(!info) {
err = -ENOMEM;
goto Error;
- }
+ }
memzero(info, sizeof(struct ixp2000_flash_info));
- dev_set_drvdata(&dev->dev, info);
+ platform_set_drvdata(dev, info);
/*
* Tell the MTD layer we're not 1:1 mapped so that it does
* not attempt to do a direct access on us.
*/
info->map.phys = NO_XIP;
-
+
info->nr_banks = ixp_data->nr_banks;
info->map.size = ixp_data->nr_banks * window_size;
info->map.bankwidth = 1;
/*
* map_priv_2 is used to store a ptr to to the bank_setup routine
*/
- info->map.map_priv_2 = (void __iomem *) ixp_data->bank_setup;
+ info->map.map_priv_2 = (unsigned long) ixp_data->bank_setup;
info->map.name = dev->dev.bus_id;
info->map.read = ixp2000_flash_read8;
info->map.copy_from = ixp2000_flash_copy_from;
info->map.copy_to = ixp2000_flash_copy_to;
- info->res = request_mem_region(dev->resource->start,
- dev->resource->end - dev->resource->start + 1,
+ info->res = request_mem_region(dev->resource->start,
+ dev->resource->end - dev->resource->start + 1,
dev->dev.bus_id);
if (!info->res) {
- dev_err(_dev, "Could not reserve memory region\n");
+ dev_err(&dev->dev, "Could not reserve memory region\n");
err = -ENOMEM;
goto Error;
}
- info->map.map_priv_1 = ioremap(dev->resource->start,
+ info->map.map_priv_1 = (unsigned long) ioremap(dev->resource->start,
dev->resource->end - dev->resource->start + 1);
if (!info->map.map_priv_1) {
- dev_err(_dev, "Failed to ioremap flash region\n");
+ dev_err(&dev->dev, "Failed to ioremap flash region\n");
err = -EIO;
goto Error;
}
- /*
- * Setup read mode for FLASH
- */
- *IXP2000_SLOWPORT_FRM = 1;
-
#if defined(__ARMEB__)
/*
* Enable erratum 44 workaround for NPUs with broken slowport
*/
erratum44_workaround = ixp2000_has_broken_slowport();
- dev_info(_dev, "Erratum 44 workaround %s\n",
+ dev_info(&dev->dev, "Erratum 44 workaround %s\n",
erratum44_workaround ? "enabled" : "disabled");
#endif
info->mtd = do_map_probe(plat->map_name, &info->map);
if (!info->mtd) {
- dev_err(_dev, "map_probe failed\n");
+ dev_err(&dev->dev, "map_probe failed\n");
err = -ENXIO;
goto Error;
}
if (err > 0) {
err = add_mtd_partitions(info->mtd, info->partitions, err);
if(err)
- dev_err(_dev, "Could not parse partitions\n");
+ dev_err(&dev->dev, "Could not parse partitions\n");
}
if (err)
return 0;
Error:
- ixp2000_flash_remove(_dev);
+ ixp2000_flash_remove(dev);
return err;
}
-static struct device_driver ixp2000_flash_driver = {
- .name = "IXP2000-Flash",
- .bus = &platform_bus_type,
- .probe = &ixp2000_flash_probe,
- .remove = &ixp2000_flash_remove
+static struct platform_driver ixp2000_flash_driver = {
+ .probe = ixp2000_flash_probe,
+ .remove = ixp2000_flash_remove,
+ .driver = {
+ .name = "IXP2000-Flash",
+ },
};
static int __init ixp2000_flash_init(void)
{
- return driver_register(&ixp2000_flash_driver);
+ return platform_driver_register(&ixp2000_flash_driver);
}
static void __exit ixp2000_flash_exit(void)
{
- driver_unregister(&ixp2000_flash_driver);
+ platform_driver_unregister(&ixp2000_flash_driver);
}
module_init(ixp2000_flash_init);
git://git.onelab.eu / linux-2.6.git / blobdiff