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MTD: remove no longer used OMAP flash map
All OMAP boards are now using physmap-flash. Cc: linux-mtd@lists.infradead.org Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,188 +0,0 @@ | ||
| /* | ||
| * Flash memory support for various TI OMAP boards | ||
| * | ||
| * Copyright (C) 2001-2002 MontaVista Software Inc. | ||
| * Copyright (C) 2003-2004 Texas Instruments | ||
| * Copyright (C) 2004 Nokia Corporation | ||
| * | ||
| * Assembled using driver code copyright the companies above | ||
| * and written by David Brownell, Jian Zhang <jzhang@ti.com>, | ||
| * Tony Lindgren <tony@atomide.com> and others. | ||
| * | ||
| * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
| * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| * 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., | ||
| * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| */ | ||
|
|
||
| #include <linux/platform_device.h> | ||
| #include <linux/module.h> | ||
| #include <linux/types.h> | ||
| #include <linux/kernel.h> | ||
| #include <linux/init.h> | ||
| #include <linux/ioport.h> | ||
| #include <linux/slab.h> | ||
|
|
||
| #include <linux/mtd/mtd.h> | ||
| #include <linux/mtd/map.h> | ||
| #include <linux/mtd/partitions.h> | ||
|
|
||
| #include <asm/io.h> | ||
| #include <mach/hardware.h> | ||
| #include <asm/mach/flash.h> | ||
| #include <plat/tc.h> | ||
|
|
||
| #ifdef CONFIG_MTD_PARTITIONS | ||
| static const char *part_probes[] = { /* "RedBoot", */ "cmdlinepart", NULL }; | ||
| #endif | ||
|
|
||
| struct omapflash_info { | ||
| struct mtd_partition *parts; | ||
| struct mtd_info *mtd; | ||
| struct map_info map; | ||
| }; | ||
|
|
||
| static void omap_set_vpp(struct map_info *map, int enable) | ||
| { | ||
| static int count; | ||
| u32 l; | ||
|
|
||
| if (cpu_class_is_omap1()) { | ||
| if (enable) { | ||
| if (count++ == 0) { | ||
| l = omap_readl(EMIFS_CONFIG); | ||
| l |= OMAP_EMIFS_CONFIG_WP; | ||
| omap_writel(l, EMIFS_CONFIG); | ||
| } | ||
| } else { | ||
| if (count && (--count == 0)) { | ||
| l = omap_readl(EMIFS_CONFIG); | ||
| l &= ~OMAP_EMIFS_CONFIG_WP; | ||
| omap_writel(l, EMIFS_CONFIG); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| static int __init omapflash_probe(struct platform_device *pdev) | ||
| { | ||
| int err; | ||
| struct omapflash_info *info; | ||
| struct flash_platform_data *pdata = pdev->dev.platform_data; | ||
| struct resource *res = pdev->resource; | ||
| unsigned long size = res->end - res->start + 1; | ||
|
|
||
| info = kzalloc(sizeof(struct omapflash_info), GFP_KERNEL); | ||
| if (!info) | ||
| return -ENOMEM; | ||
|
|
||
| if (!request_mem_region(res->start, size, "flash")) { | ||
| err = -EBUSY; | ||
| goto out_free_info; | ||
| } | ||
|
|
||
| info->map.virt = ioremap(res->start, size); | ||
| if (!info->map.virt) { | ||
| err = -ENOMEM; | ||
| goto out_release_mem_region; | ||
| } | ||
| info->map.name = dev_name(&pdev->dev); | ||
| info->map.phys = res->start; | ||
| info->map.size = size; | ||
| info->map.bankwidth = pdata->width; | ||
| info->map.set_vpp = omap_set_vpp; | ||
|
|
||
| simple_map_init(&info->map); | ||
| info->mtd = do_map_probe(pdata->map_name, &info->map); | ||
| if (!info->mtd) { | ||
| err = -EIO; | ||
| goto out_iounmap; | ||
| } | ||
| info->mtd->owner = THIS_MODULE; | ||
|
|
||
| info->mtd->dev.parent = &pdev->dev; | ||
|
|
||
| #ifdef CONFIG_MTD_PARTITIONS | ||
| err = parse_mtd_partitions(info->mtd, part_probes, &info->parts, 0); | ||
| if (err > 0) | ||
| add_mtd_partitions(info->mtd, info->parts, err); | ||
| else if (err <= 0 && pdata->parts) | ||
| add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts); | ||
| else | ||
| #endif | ||
| add_mtd_device(info->mtd); | ||
|
|
||
| platform_set_drvdata(pdev, info); | ||
|
|
||
| return 0; | ||
|
|
||
| out_iounmap: | ||
| iounmap(info->map.virt); | ||
| out_release_mem_region: | ||
| release_mem_region(res->start, size); | ||
| out_free_info: | ||
| kfree(info); | ||
|
|
||
| return err; | ||
| } | ||
|
|
||
| static int __exit omapflash_remove(struct platform_device *pdev) | ||
| { | ||
| struct omapflash_info *info = platform_get_drvdata(pdev); | ||
|
|
||
| platform_set_drvdata(pdev, NULL); | ||
|
|
||
| if (info) { | ||
| if (info->parts) { | ||
| del_mtd_partitions(info->mtd); | ||
| kfree(info->parts); | ||
| } else | ||
| del_mtd_device(info->mtd); | ||
| map_destroy(info->mtd); | ||
| release_mem_region(info->map.phys, info->map.size); | ||
| iounmap((void __iomem *) info->map.virt); | ||
| kfree(info); | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static struct platform_driver omapflash_driver = { | ||
| .remove = __exit_p(omapflash_remove), | ||
| .driver = { | ||
| .name = "omapflash", | ||
| .owner = THIS_MODULE, | ||
| }, | ||
| }; | ||
|
|
||
| static int __init omapflash_init(void) | ||
| { | ||
| return platform_driver_probe(&omapflash_driver, omapflash_probe); | ||
| } | ||
|
|
||
| static void __exit omapflash_exit(void) | ||
| { | ||
| platform_driver_unregister(&omapflash_driver); | ||
| } | ||
|
|
||
| module_init(omapflash_init); | ||
| module_exit(omapflash_exit); | ||
|
|
||
| MODULE_LICENSE("GPL"); | ||
| MODULE_DESCRIPTION("MTD NOR map driver for TI OMAP boards"); | ||
| MODULE_ALIAS("platform:omapflash"); | ||