X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fbbm.h;h=2fb36177ab97ed91e24bc2bcf5e80725b40f656c;hb=2a8e0fc8b3dc31a3c571e439fbf04b882c8986be;hp=f194cf1b3be084a327d23dfc57e61cd0ec3e5066;hpb=86cc433e1b06aae6dcda399219009f2a2497a385;p=kernel%2Fu-boot.git

diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index f194cf1..2fb3617 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -11,23 +11,34 @@
  *  Thomas Gleixner <tglx@linuxtronix.de>
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
  */
 #ifndef __LINUX_MTD_BBM_H
 #define __LINUX_MTD_BBM_H
 
 /* The maximum number of NAND chips in an array */
-#ifndef NAND_MAX_CHIPS
-#define NAND_MAX_CHIPS		8
+#ifndef CONFIG_SYS_NAND_MAX_CHIPS
+#define CONFIG_SYS_NAND_MAX_CHIPS	1
 #endif
 
 /**
  * struct nand_bbt_descr - bad block table descriptor
  * @param options	options for this descriptor
  * @param pages		the page(s) where we find the bbt, used with
- * 			option BBT_ABSPAGE when bbt is searched,
- * 			then we store the found bbts pages here.
+ *			option BBT_ABSPAGE when bbt is searched,
+ *			then we store the found bbts pages here.
  *			Its an array and supports up to 8 chips now
  * @param offs		offset of the pattern in the oob area of the page
  * @param veroffs	offset of the bbt version counter in the oob are of the page
@@ -48,10 +59,10 @@
  */
 struct nand_bbt_descr {
 	int options;
-	int pages[NAND_MAX_CHIPS];
+	int pages[CONFIG_SYS_NAND_MAX_CHIPS];
 	int offs;
 	int veroffs;
-	uint8_t version[NAND_MAX_CHIPS];
+	uint8_t version[CONFIG_SYS_NAND_MAX_CHIPS];
 	int len;
 	int maxblocks;
 	int reserved_block_code;
@@ -76,7 +87,7 @@ struct nand_bbt_descr {
 #define NAND_BBT_PERCHIP	0x00000080
 /* bbt has a version counter at offset veroffs */
 #define NAND_BBT_VERSION	0x00000100
-/* Create a bbt if none axists */
+/* Create a bbt if none exists */
 #define NAND_BBT_CREATE		0x00000200
 /* Search good / bad pattern through all pages of a block */
 #define NAND_BBT_SCANALLPAGES	0x00000400
@@ -88,6 +99,12 @@ struct nand_bbt_descr {
 #define NAND_BBT_SAVECONTENT	0x00002000
 /* Search good / bad pattern on the first and the second page */
 #define NAND_BBT_SCAN2NDPAGE	0x00004000
+/* Search good / bad pattern on the last page of the eraseblock */
+#define NAND_BBT_SCANLASTPAGE	0x00008000
+/* Chip stores bad block marker on BOTH 1st and 6th bytes of OOB */
+#define NAND_BBT_SCANBYTE1AND6 0x00100000
+/* The nand_bbt_descr was created dynamicaly and must be freed */
+#define NAND_BBT_DYNAMICSTRUCT 0x00200000
 
 /* The maximum number of blocks to scan for a bbt */
 #define NAND_BBT_SCAN_MAXBLOCKS	4
@@ -97,6 +114,13 @@ struct nand_bbt_descr {
  */
 #define ONENAND_BADBLOCK_POS	0
 
+/*
+ * Bad block scanning errors
+ */
+#define ONENAND_BBT_READ_ERROR          1
+#define ONENAND_BBT_READ_ECC_ERROR      2
+#define ONENAND_BBT_READ_FATAL_ERROR    4
+
 /**
  * struct bbt_info - [GENERIC] Bad Block Table data structure
  * @param bbt_erase_shift	[INTERN] number of address bits in a bbt entry