diff options
Diffstat (limited to 'drivers/mtd/maps/integrator-flash.c')
| -rw-r--r-- | drivers/mtd/maps/integrator-flash.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c deleted file mode 100644 index 6946d802e6f..00000000000 --- a/drivers/mtd/maps/integrator-flash.c +++ /dev/null @@ -1,211 +0,0 @@ -/*====================================================================== - - drivers/mtd/maps/integrator-flash.c: ARM Integrator flash map driver - - Copyright (C) 2000 ARM Limited - Copyright (C) 2003 Deep Blue Solutions Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - This is access code for flashes using ARM's flash partitioning - standards. - - $Id: integrator-flash.c,v 1.20 2005/11/07 11:14:27 gleixner Exp $ - -======================================================================*/ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/init.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/mach/flash.h> -#include <asm/hardware.h> -#include <asm/io.h> -#include <asm/system.h> - -#ifdef CONFIG_ARCH_P720T -#define FLASH_BASE (0x04000000) -#define FLASH_SIZE (64*1024*1024) -#endif - -struct armflash_info { - struct flash_platform_data *plat; - struct resource *res; - struct mtd_partition *parts; - struct mtd_info *mtd; - struct map_info map; -}; - -static void armflash_set_vpp(struct map_info *map, int on) -{ - struct armflash_info *info = container_of(map, struct armflash_info, map); - - if (info->plat && info->plat->set_vpp) - info->plat->set_vpp(on); -} - -static const char *probes[] = { "cmdlinepart", "RedBoot", "afs", NULL }; - -static int armflash_probe(struct platform_device *dev) -{ - struct flash_platform_data *plat = dev->dev.platform_data; - struct resource *res = dev->resource; - unsigned int size = res->end - res->start + 1; - struct armflash_info *info; - int err; - void __iomem *base; - - info = kzalloc(sizeof(struct armflash_info), GFP_KERNEL); - if (!info) { - err = -ENOMEM; - goto out; - } - - info->plat = plat; - if (plat && plat->init) { - err = plat->init(); - if (err) - goto no_resource; - } - - info->res = request_mem_region(res->start, size, "armflash"); - if (!info->res) { - err = -EBUSY; - goto no_resource; - } - - base = ioremap(res->start, size); - if (!base) { - err = -ENOMEM; - goto no_mem; - } - - /* - * look for CFI based flash parts fitted to this board - */ - info->map.size = size; - info->map.bankwidth = plat->width; - info->map.phys = res->start; - info->map.virt = base; - info->map.name = dev->dev.bus_id; - info->map.set_vpp = armflash_set_vpp; - - simple_map_init(&info->map); - - /* - * Also, the CFI layer automatically works out what size - * of chips we have, and does the necessary identification - * for us automatically. - */ - info->mtd = do_map_probe(plat->map_name, &info->map); - if (!info->mtd) { - err = -ENXIO; - goto no_device; - } - - info->mtd->owner = THIS_MODULE; - - err = parse_mtd_partitions(info->mtd, probes, &info->parts, 0); - if (err > 0) { - err = add_mtd_partitions(info->mtd, info->parts, err); - if (err) - printk(KERN_ERR - "mtd partition registration failed: %d\n", err); - } - - if (err == 0) - platform_set_drvdata(dev, info); - - /* - * If we got an error, free all resources. - */ - if (err < 0) { - if (info->mtd) { - del_mtd_partitions(info->mtd); - map_destroy(info->mtd); - } - kfree(info->parts); - - no_device: - iounmap(base); - no_mem: - release_mem_region(res->start, size); - no_resource: - if (plat && plat->exit) - plat->exit(); - kfree(info); - } - out: - return err; -} - -static int armflash_remove(struct platform_device *dev) -{ - struct armflash_info *info = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - - if (info) { - if (info->mtd) { - del_mtd_partitions(info->mtd); - map_destroy(info->mtd); - } - kfree(info->parts); - - iounmap(info->map.virt); - release_resource(info->res); - kfree(info->res); - - if (info->plat && info->plat->exit) - info->plat->exit(); - - kfree(info); - } - - return 0; -} - -static struct platform_driver armflash_driver = { - .probe = armflash_probe, - .remove = armflash_remove, - .driver = { - .name = "armflash", - }, -}; - -static int __init armflash_init(void) -{ - return platform_driver_register(&armflash_driver); -} - -static void __exit armflash_exit(void) -{ - platform_driver_unregister(&armflash_driver); -} - -module_init(armflash_init); -module_exit(armflash_exit); - -MODULE_AUTHOR("ARM Ltd"); -MODULE_DESCRIPTION("ARM Integrator CFI map driver"); -MODULE_LICENSE("GPL"); |