*
*/
-#define __UBOOT__
-#ifndef __UBOOT__
-#include <linux/slab.h>
-#include <linux/types.h>
+#include <common.h>
+#include <malloc.h>
+#include <linux/compat.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/bbm.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/bitops.h>
-#include <linux/delay.h>
-#include <linux/vmalloc.h>
-#include <linux/export.h>
#include <linux/string.h>
-#else
-#include <common.h>
-#include <malloc.h>
-#include <linux/compat.h>
-
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/bbm.h>
- #include <linux/mtd/nand.h>
- #include <linux/mtd/nand_ecc.h>
- #include <linux/bitops.h>
- #include <linux/string.h>
-#endif
#define BBT_BLOCK_GOOD 0x00
#define BBT_BLOCK_WORN 0x01
res = mtd_read(mtd, from, len, &retlen, buf);
if (res < 0) {
if (mtd_is_eccerr(res)) {
- pr_info("nand_bbt: ECC error in BBT at "
- "0x%012llx\n", from & ~mtd->writesize);
+ pr_info("nand_bbt: ECC error in BBT at 0x%012llx\n",
+ from & ~mtd->writesize);
return res;
} else if (mtd_is_bitflip(res)) {
- pr_info("nand_bbt: corrected error in BBT at "
- "0x%012llx\n", from & ~mtd->writesize);
+ pr_info("nand_bbt: corrected error in BBT at 0x%012llx\n",
+ from & ~mtd->writesize);
ret = res;
} else {
pr_info("nand_bbt: error reading BBT\n");
{
struct nand_chip *this = mtd->priv;
int i, chips;
-#ifndef __UBOOT__
- int bits, startblock, block, dir;
-#else
int startblock, block, dir;
-#endif
int scanlen = mtd->writesize + mtd->oobsize;
int bbtblocks;
int blocktopage = this->bbt_erase_shift - this->page_shift;
bbtblocks = mtd->size >> this->bbt_erase_shift;
}
-#ifndef __UBOOT__
- /* Number of bits for each erase block in the bbt */
- bits = td->options & NAND_BBT_NRBITS_MSK;
-#endif
-
for (i = 0; i < chips; i++) {
/* Reset version information */
td->version[i] = 0;
if (td->pages[i] == -1)
pr_warn("Bad block table not found for chip %d\n", i);
else
- pr_info("Bad block table found at page %d, version "
- "0x%02X\n", td->pages[i], td->version[i]);
+ pr_info("Bad block table found at page %d, version 0x%02X\n",
+ td->pages[i], td->version[i]);
}
return 0;
}
res = mtd_read(mtd, to, len, &retlen, buf);
if (res < 0) {
if (retlen != len) {
- pr_info("nand_bbt: error reading block "
- "for writing the bad block table\n");
+ pr_info("nand_bbt: error reading block for writing the bad block table\n");
return res;
}
- pr_warn("nand_bbt: ECC error while reading "
- "block for writing bad block table\n");
+ pr_warn("nand_bbt: ECC error while reading block for writing bad block table\n");
}
/* Read oob data */
ops.ooblen = (len >> this->page_shift) * mtd->oobsize;
int nand_default_bbt(struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
+ int ret;
/* Is a flash based bad block table requested? */
if (this->bbt_options & NAND_BBT_USE_FLASH) {
this->bbt_md = NULL;
}
- if (!this->badblock_pattern)
- nand_create_badblock_pattern(this);
+ if (!this->badblock_pattern) {
+ ret = nand_create_badblock_pattern(this);
+ if (ret)
+ return ret;
+ }
return nand_scan_bbt(mtd, this->badblock_pattern);
}
+/**
+ * nand_isreserved_bbt - [NAND Interface] Check if a block is reserved
+ * @mtd: MTD device structure
+ * @offs: offset in the device
+ */
+int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
+{
+ struct nand_chip *this = mtd->priv;
+ int block;
+
+ block = (int)(offs >> this->bbt_erase_shift);
+ return bbt_get_entry(this, block) == BBT_BLOCK_RESERVED;
+}
+
/**
* nand_isbad_bbt - [NAND Interface] Check if a block is bad
* @mtd: MTD device structure
block = (int)(offs >> this->bbt_erase_shift);
res = bbt_get_entry(this, block);
- pr_debug("nand_isbad_bbt(): bbt info for offs 0x%08x: "
- "(block %d) 0x%02x\n",
- (unsigned int)offs, block, res);
+ pr_debug("nand_isbad_bbt(): bbt info for offs 0x%08x: (block %d) 0x%02x\n",
+ (unsigned int)offs, block, res);
switch (res) {
case BBT_BLOCK_GOOD: