[MTD] [MAPS] Remove the bast-flash driver.
Remove the Simtec BAST flash driver as this has been replaced by using the platform flash driver. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Ben Dooks
David Woodhouse
Родитель
0acf944c68
Коммит
6f40470e74
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@ -556,24 +556,6 @@ config MTD_DMV182
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help
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Map driver for Dy-4 SVME/DMV-182 board.
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config MTD_BAST
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tristate "Map driver for Simtec BAST (EB2410ITX) or Thorcom VR1000"
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depends on ARCH_BAST || MACH_VR1000
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select MTD_PARTITIONS
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select MTD_MAP_BANK_WIDTH_16
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select MTD_JEDECPROBE
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help
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Map driver for NOR flash on the Simtec BAST (EB2410ITX), or the
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Thorcom VR1000
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Note, this driver *cannot* over-ride the WP link on the
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board, or currently detect the state of the link.
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config MTD_BAST_MAXSIZE
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int "Maximum size for BAST flash area (MiB)"
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depends on MTD_BAST
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default "4"
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config MTD_SHARP_SL
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tristate "ROM mapped on Sharp SL Series"
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depends on ARCH_PXA
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@ -9,7 +9,6 @@ endif
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# Chip mappings
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obj-$(CONFIG_MTD_CDB89712) += cdb89712.o
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obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o
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obj-$(CONFIG_MTD_BAST) += bast-flash.o
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obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o
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obj-$(CONFIG_MTD_DC21285) += dc21285.o
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obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o
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@ -1,224 +0,0 @@
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/* linux/drivers/mtd/maps/bast-flash.c
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*
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* Copyright (c) 2004-2005 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Simtec Bast (EB2410ITX) NOR MTD Mapping driver
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*
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* Changelog:
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* 20-Sep-2004 BJD Initial version
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* 17-Jan-2005 BJD Add whole device if no partitions found
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/ioport.h>
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#include <linux/device.h>
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#include <linux/slab.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/partitions.h>
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#include <asm/io.h>
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#include <asm/mach/flash.h>
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#include <asm/arch/map.h>
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#include <asm/arch/bast-map.h>
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#include <asm/arch/bast-cpld.h>
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#ifdef CONFIG_MTD_BAST_MAXSIZE
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#define AREA_MAXSIZE (CONFIG_MTD_BAST_MAXSIZE * SZ_1M)
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#else
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#define AREA_MAXSIZE (32 * SZ_1M)
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#endif
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#define PFX "bast-flash: "
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struct bast_flash_info {
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struct mtd_info *mtd;
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struct map_info map;
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struct mtd_partition *partitions;
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struct resource *area;
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};
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static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
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static void bast_flash_setrw(int to)
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{
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unsigned int val;
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unsigned long flags;
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local_irq_save(flags);
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val = __raw_readb(BAST_VA_CTRL3);
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if (to)
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val |= BAST_CPLD_CTRL3_ROMWEN;
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else
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val &= ~BAST_CPLD_CTRL3_ROMWEN;
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pr_debug("new cpld ctrl3=%02x\n", val);
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__raw_writeb(val, BAST_VA_CTRL3);
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local_irq_restore(flags);
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}
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static int bast_flash_remove(struct platform_device *pdev)
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{
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struct bast_flash_info *info = platform_get_drvdata(pdev);
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platform_set_drvdata(pdev, NULL);
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if (info == NULL)
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return 0;
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if (info->map.virt != NULL)
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iounmap(info->map.virt);
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if (info->mtd) {
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del_mtd_partitions(info->mtd);
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map_destroy(info->mtd);
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}
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kfree(info->partitions);
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if (info->area) {
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release_resource(info->area);
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kfree(info->area);
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}
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kfree(info);
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return 0;
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}
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static int bast_flash_probe(struct platform_device *pdev)
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{
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struct bast_flash_info *info;
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struct resource *res;
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int err = 0;
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info = kmalloc(sizeof(*info), GFP_KERNEL);
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if (info == NULL) {
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printk(KERN_ERR PFX "no memory for flash info\n");
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err = -ENOMEM;
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goto exit_error;
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}
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memzero(info, sizeof(*info));
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platform_set_drvdata(pdev, info);
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res = pdev->resource; /* assume that the flash has one resource */
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info->map.phys = res->start;
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info->map.size = res->end - res->start + 1;
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info->map.name = pdev->dev.bus_id;
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info->map.bankwidth = 2;
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if (info->map.size > AREA_MAXSIZE)
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info->map.size = AREA_MAXSIZE;
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pr_debug("%s: area %08lx, size %ld\n", __func__,
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info->map.phys, info->map.size);
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info->area = request_mem_region(res->start, info->map.size,
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pdev->name);
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if (info->area == NULL) {
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printk(KERN_ERR PFX "cannot reserve flash memory region\n");
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err = -ENOENT;
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goto exit_error;
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}
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info->map.virt = ioremap(res->start, info->map.size);
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pr_debug("%s: virt at %08x\n", __func__, (int)info->map.virt);
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if (info->map.virt == 0) {
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printk(KERN_ERR PFX "failed to ioremap() region\n");
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err = -EIO;
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goto exit_error;
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}
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simple_map_init(&info->map);
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/* enable the write to the flash area */
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bast_flash_setrw(1);
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/* probe for the device(s) */
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info->mtd = do_map_probe("jedec_probe", &info->map);
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if (info->mtd == NULL)
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info->mtd = do_map_probe("cfi_probe", &info->map);
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if (info->mtd == NULL) {
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printk(KERN_ERR PFX "map_probe() failed\n");
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err = -ENXIO;
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goto exit_error;
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}
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/* mark ourselves as the owner */
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info->mtd->owner = THIS_MODULE;
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err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0);
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if (err > 0) {
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err = add_mtd_partitions(info->mtd, info->partitions, err);
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if (err)
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printk(KERN_ERR PFX "cannot add/parse partitions\n");
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} else {
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err = add_mtd_device(info->mtd);
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}
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if (err == 0)
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return 0;
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/* fall through to exit error */
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exit_error:
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bast_flash_remove(pdev);
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return err;
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}
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static struct platform_driver bast_flash_driver = {
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.probe = bast_flash_probe,
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.remove = bast_flash_remove,
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.driver = {
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.name = "bast-nor",
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.owner = THIS_MODULE,
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},
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};
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static int __init bast_flash_init(void)
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{
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printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");
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return platform_driver_register(&bast_flash_driver);
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}
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static void __exit bast_flash_exit(void)
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{
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platform_driver_unregister(&bast_flash_driver);
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}
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module_init(bast_flash_init);
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module_exit(bast_flash_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
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MODULE_DESCRIPTION("BAST MTD Map driver");
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MODULE_ALIAS("platform:bast-nor");
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