remove unused sflash

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@654 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 283 deletions

diff --git a/package/linux/kernel-source/drivers/mtd/devices/sflash.c b/package/linux/kernel-source/drivers/mtd/devices/sflash.c
deleted file mode 100644
index 4dbd76d877..0000000000
--- a/package/linux/kernel-source/drivers/mtd/devices/sflash.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Broadcom SiliconBackplane chipcommon serial flash interface
- *
- * Copyright 2004, Broadcom Corporation      
- * All Rights Reserved.      
- *       
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY      
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM      
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS      
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.      
- *
- * $Id$
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/ioport.h>
-#include <linux/mtd/compatmac.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-#include <typedefs.h>
-#include <bcmdevs.h>
-#include <bcmutils.h>
-#include <osl.h>
-#include <bcmutils.h>
-#include <bcmnvram.h>
-#include <sbconfig.h>
-#include <sbchipc.h>
-#include <sflash.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
-extern struct mtd_partition * init_mtd_partitions(struct mtd_info *mtd, size_t size);
-#endif
-
-struct sflash_mtd {
-	chipcregs_t *cc;
-	struct semaphore lock;
-	struct mtd_info mtd;
-	struct mtd_erase_region_info region;
-};
-
-/* Private global state */
-static struct sflash_mtd sflash;
-
-static int
-sflash_mtd_poll(struct sflash_mtd *sflash, unsigned int offset, int timeout)
-{
-	int now = jiffies;
-	int ret = 0;
-
-	for (;;) {
-		if (!sflash_poll(sflash->cc, offset)) {
-			ret = 0;
-			break;
-		}
-		if (time_after(jiffies, now + timeout)) {
-			printk(KERN_ERR "sflash: timeout\n");
-			ret = -ETIMEDOUT;
-			break;
-		}
-		if (current->need_resched) {
-			set_current_state(TASK_UNINTERRUPTIBLE);
-			schedule_timeout(timeout / 10);
-		} else
-			udelay(1);
-	}
-
-	return ret;
-}
-
-static int
-sflash_mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
-{
-	struct sflash_mtd *sflash = (struct sflash_mtd *) mtd->priv;
-	int bytes, ret = 0;
-
-	/* Check address range */
-	if (!len)
-		return 0;
-	if ((from + len) > mtd->size)
-		return -EINVAL;
-	
-	down(&sflash->lock);
-
-	*retlen = 0;
-	while (len) {
-		if ((bytes = sflash_read(sflash->cc, (uint) from, len, buf)) < 0) {
-			ret = bytes;
-			break;
-		}
-		from += (loff_t) bytes;
-		len -= bytes;
-		buf += bytes;
-		*retlen += bytes;
-	}
-
-	up(&sflash->lock);
-
-	return ret;
-}
-
-static int
-sflash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
-{
-	struct sflash_mtd *sflash = (struct sflash_mtd *) mtd->priv;
-	int bytes, ret = 0;
-
-	/* Check address range */
-	if (!len)
-		return 0;
-	if ((to + len) > mtd->size)
-		return -EINVAL;
-
-	down(&sflash->lock);
-
-	*retlen = 0;
-	while (len) {
-		if ((bytes = sflash_write(sflash->cc, (uint) to, len, buf)) < 0) {
-			ret = bytes;
-			break;
-		}
-		if ((ret = sflash_mtd_poll(sflash, (unsigned int) to, HZ / 10)))
-			break;
-		to += (loff_t) bytes;
-		len -= bytes;
-		buf += bytes;
-		*retlen += bytes;
-	}
-
-	up(&sflash->lock);
-
-	return ret;
-}
-
-static int
-sflash_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
-{
-	struct sflash_mtd *sflash = (struct sflash_mtd *) mtd->priv;
-	int i, j, ret = 0;
-	unsigned int addr, len;
-
-	/* Check address range */
-	if (!erase->len)
-		return 0;
-	if ((erase->addr + erase->len) > mtd->size)
-		return -EINVAL;
-
-	addr = erase->addr;
-	len = erase->len;
-
-	down(&sflash->lock);
-
-	/* Ensure that requested region is aligned */
-	for (i = 0; i < mtd->numeraseregions; i++) {
-		for (j = 0; j < mtd->eraseregions[i].numblocks; j++) {
-			if (addr == mtd->eraseregions[i].offset + mtd->eraseregions[i].erasesize * j &&
-			    len >= mtd->eraseregions[i].erasesize) {
-				if ((ret = sflash_erase(sflash->cc, addr)) < 0)
-					break;
-				if ((ret = sflash_mtd_poll(sflash, addr, 10 * HZ)))
-					break;
-				addr += mtd->eraseregions[i].erasesize;
-				len -= mtd->eraseregions[i].erasesize;
-			}
-		}
-		if (ret)
-			break;
-	}
-
-	up(&sflash->lock);
-
-	/* Set erase status */
-	if (ret)
-		erase->state = MTD_ERASE_FAILED;
-	else 
-		erase->state = MTD_ERASE_DONE;
-
-	/* Call erase callback */
-	if (erase->callback)
-		erase->callback(erase);
-
-	return ret;
-}
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define sflash_mtd_init init_module
-#define sflash_mtd_exit cleanup_module
-#endif
-
-mod_init_t
-sflash_mtd_init(void)
-{
-	struct pci_dev *pdev;
-	int ret = 0;
-	struct sflash *info;
-	uint i;
-#ifdef CONFIG_MTD_PARTITIONS
-	struct mtd_partition *parts;
-#endif
-
-	if (!(pdev = pci_find_device(VENDOR_BROADCOM, SB_CC, NULL))) {
-		printk(KERN_ERR "sflash: chipcommon not found\n");
-		return -ENODEV;
-	}
-
-	memset(&sflash, 0, sizeof(struct sflash_mtd));
-	init_MUTEX(&sflash.lock);
-
-	/* Map registers and flash base */
-	if (!(sflash.cc = ioremap_nocache(pci_resource_start(pdev, 0),
-					  pci_resource_len(pdev, 0)))) {
-		printk(KERN_ERR "sflash: error mapping registers\n");
-		ret = -EIO;
-		goto fail;
-	}
-
-	/* Initialize serial flash access */
-	info = sflash_init(sflash.cc);
-
-	if (!info) {
-		printk(KERN_ERR "sflash: found no supported devices\n");
-		ret = -ENODEV;
-		goto fail;
-	}
-
-	/* Setup region info */
-	sflash.region.offset = 0;
-	sflash.region.erasesize = info->blocksize;
-	sflash.region.numblocks = info->numblocks;
-	if (sflash.region.erasesize > sflash.mtd.erasesize)
-		sflash.mtd.erasesize = sflash.region.erasesize;
-	sflash.mtd.size = info->size;
-	sflash.mtd.numeraseregions = 1;
-
-	/* Register with MTD */
-	sflash.mtd.name = "sflash";
-	sflash.mtd.type = MTD_NORFLASH;
-	sflash.mtd.flags = MTD_CAP_NORFLASH;
-	sflash.mtd.eraseregions = &sflash.region;
-	sflash.mtd.module = THIS_MODULE;
-	sflash.mtd.erase = sflash_mtd_erase;
-	sflash.mtd.read = sflash_mtd_read;
-	sflash.mtd.write = sflash_mtd_write;
-	sflash.mtd.priv = &sflash;
-
-#ifdef CONFIG_MTD_PARTITIONS
-	parts = init_mtd_partitions(&sflash.mtd, sflash.mtd.size);
-	for (i = 0; parts[i].name; i++);
-	ret = add_mtd_partitions(&sflash.mtd, parts, i);
-#else
-	ret = add_mtd_device(&sflash.mtd);
-#endif
-	if (ret) {
-		printk(KERN_ERR "sflash: add_mtd failed\n");
-		goto fail;
-	}
-
-	return 0;
-
- fail:
-	if (sflash.cc)
-		iounmap((void *) sflash.cc);
-	return ret;
-}
-
-mod_exit_t
-sflash_mtd_exit(void)
-{
-#ifdef CONFIG_MTD_PARTITIONS
-	del_mtd_partitions(&sflash.mtd);
-#else
-	del_mtd_device(&sflash.mtd);
-#endif
-	iounmap((void *) sflash.cc);
-}
-
-module_init(sflash_mtd_init);
-module_exit(sflash_mtd_exit);