7 files changed, 53 insertions, 132 deletions

diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index fff8c53e5434..9c3757c5759d 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -19,22 +19,21 @@
 
 /**
  * struct nand_bbt_descr - bad block table descriptor
- * @options:            options for this descriptor
- * @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.
- *                      Its an array and supports up to 8 chips now
- * @offs:               offset of the pattern in the oob area of the page
- * @veroffs:            offset of the bbt version counter in the oob area of the page
- * @version:            version read from the bbt page during scan
- * @len:                length of the pattern, if 0 no pattern check is performed
- * @maxblocks:          maximum number of blocks to search for a bbt. This
- *                      number of blocks is reserved at the end of the device
- *                      where the tables are written.
- * @reserved_block_code: if non-0, this pattern denotes a reserved
- *                      (rather than bad) block in the stored bbt
- * @pattern:            pattern to identify bad block table or factory marked
- *                      good / bad blocks, can be NULL, if len = 0
+ * @options:    options for this descriptor
+ * @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.
+ *              Its an array and supports up to 8 chips now
+ * @offs:       offset of the pattern in the oob area of the page
+ * @veroffs:    offset of the bbt version counter in the oob are of the page
+ * @version:    version read from the bbt page during scan
+ * @len:        length of the pattern, if 0 no pattern check is performed
+ * @maxblocks:  maximum number of blocks to search for a bbt. This number of
+ *              blocks is reserved at the end of the device where the tables are
+ *              written.
+ * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than
+ *              bad) block in the stored bbt
+ * @pattern:    pattern to identify bad block table or factory marked good /
+ *              bad blocks, can be NULL, if len = 0
  *
  * Descriptor for the bad block table marker and the descriptor for the
  * pattern which identifies good and bad blocks. The assumption is made
@@ -90,7 +89,9 @@ struct nand_bbt_descr {
 /*
  * Constants for oob configuration
  */
-#define ONENAND_BADBLOCK_POS    0
+#define NAND_SMALL_BADBLOCK_POS         5
+#define NAND_LARGE_BADBLOCK_POS         0
+#define ONENAND_BADBLOCK_POS            0
 
 /*
  * Bad block scanning errors
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 88d3d8fbf9f2..df89f4275232 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -518,10 +518,11 @@ struct cfi_fixup {
 #define CFI_MFR_ANY 0xffff
 #define CFI_ID_ANY  0xffff
 
-#define CFI_MFR_AMD 0x0001
-#define CFI_MFR_ATMEL 0x001F
-#define CFI_MFR_SAMSUNG 0x00EC
-#define CFI_MFR_ST  0x0020      /* STMicroelectronics */
+#define CFI_MFR_AMD     0x0001
+#define CFI_MFR_INTEL   0x0089
+#define CFI_MFR_ATMEL   0x001F
+#define CFI_MFR_SAMSUNG 0x00EC
+#define CFI_MFR_ST      0x0020 /* STMicroelectronics */
 
 void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups);
 
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index d4f38c5fd44e..d0bf422ae374 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -38,6 +38,15 @@ typedef enum {
         FL_XIP_WHILE_ERASING,
         FL_XIP_WHILE_WRITING,
         FL_SHUTDOWN,
+        /* These 2 come from nand_state_t, which has been unified here */
+        FL_READING,
+        FL_CACHEDPRG,
+        /* These 4 come from onenand_state_t, which has been unified here */
+        FL_RESETING,
+        FL_OTPING,
+        FL_PREPARING_ERASE,
+        FL_VERIFYING_ERASE,
+
         FL_UNKNOWN
 } flstate_t;
 
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 7a232a9bdd62..ccab9dfc5217 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -21,6 +21,8 @@
 #include <linux/wait.h>
 #include <linux/spinlock.h>
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/flashchip.h>
+#include <linux/mtd/bbm.h>
 
 struct mtd_info;
 /* Scan and identify a NAND device */
@@ -168,7 +170,6 @@ typedef enum {
 /* Chip does not allow subpage writes */
 #define NAND_NO_SUBPAGE_WRITE   0x00000200
 
-
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS \
         (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK)
@@ -194,6 +195,9 @@ typedef enum {
 /* This option is defined if the board driver allocates its own buffers
    (e.g. because it needs them DMA-coherent */
 #define NAND_OWN_BUFFERS        0x00040000
+/* Chip may not exist, so silence any errors in scan */
+#define NAND_SCAN_SILENT_NODEV  0x00080000
+
 /* Options set by nand scan */
 /* Nand scan has allocated controller struct */
 #define NAND_CONTROLLER_ALLOC   0x80000000
@@ -202,20 +206,6 @@ typedef enum {
 #define NAND_CI_CHIPNR_MSK      0x03
 #define NAND_CI_CELLTYPE_MSK    0x0C
 
-/*
- * nand_state_t - chip states
- * Enumeration for NAND flash chip state
- */
-typedef enum {
-        FL_READY,
-        FL_READING,
-        FL_WRITING,
-        FL_ERASING,
-        FL_SYNCING,
-        FL_CACHEDPRG,
-        FL_PM_SUSPENDED,
-} nand_state_t;
-
 /* Keep gcc happy */
 struct nand_chip;
 
@@ -402,7 +392,7 @@ struct nand_chip {
         uint8_t         cellinfo;
         int             badblockpos;
 
-        nand_state_t    state;
+        flstate_t       state;
 
         uint8_t         *oob_poi;
         struct nand_hw_control  *controller;
@@ -470,75 +460,6 @@ struct nand_manufacturers {
 extern struct nand_flash_dev nand_flash_ids[];
 extern struct nand_manufacturers nand_manuf_ids[];
 
-/**
- * struct nand_bbt_descr - bad block table descriptor
- * @options:    options for this descriptor
- * @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.
- *              Its an array and supports up to 8 chips now
- * @offs:       offset of the pattern in the oob area of the page
- * @veroffs:    offset of the bbt version counter in the oob are of the page
- * @version:    version read from the bbt page during scan
- * @len:        length of the pattern, if 0 no pattern check is performed
- * @maxblocks:  maximum number of blocks to search for a bbt. This number of
- *              blocks is reserved at the end of the device where the tables are
- *              written.
- * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than
- *              bad) block in the stored bbt
- * @pattern:    pattern to identify bad block table or factory marked good /
- *              bad blocks, can be NULL, if len = 0
- *
- * Descriptor for the bad block table marker and the descriptor for the
- * pattern which identifies good and bad blocks. The assumption is made
- * that the pattern and the version count are always located in the oob area
- * of the first block.
- */
-struct nand_bbt_descr {
-        int     options;
-        int     pages[NAND_MAX_CHIPS];
-        int     offs;
-        int     veroffs;
-        uint8_t version[NAND_MAX_CHIPS];
-        int     len;
-        int     maxblocks;
-        int     reserved_block_code;
-        uint8_t *pattern;
-};
-
-/* Options for the bad block table descriptors */
-
-/* The number of bits used per block in the bbt on the device */
-#define NAND_BBT_NRBITS_MSK     0x0000000F
-#define NAND_BBT_1BIT           0x00000001
-#define NAND_BBT_2BIT           0x00000002
-#define NAND_BBT_4BIT           0x00000004
-#define NAND_BBT_8BIT           0x00000008
-/* The bad block table is in the last good block of the device */
-#define NAND_BBT_LASTBLOCK      0x00000010
-/* The bbt is at the given page, else we must scan for the bbt */
-#define NAND_BBT_ABSPAGE        0x00000020
-/* The bbt is at the given page, else we must scan for the bbt */
-#define NAND_BBT_SEARCH         0x00000040
-/* bbt is stored per chip on multichip devices */
-#define NAND_BBT_PERCHIP        0x00000080
-/* bbt has a version counter at offset veroffs */
-#define NAND_BBT_VERSION        0x00000100
-/* Create a bbt if none axists */
-#define NAND_BBT_CREATE         0x00000200
-/* Search good / bad pattern through all pages of a block */
-#define NAND_BBT_SCANALLPAGES   0x00000400
-/* Scan block empty during good / bad block scan */
-#define NAND_BBT_SCANEMPTY      0x00000800
-/* Write bbt if neccecary */
-#define NAND_BBT_WRITE          0x00001000
-/* Read and write back block contents when writing bbt */
-#define NAND_BBT_SAVECONTENT    0x00002000
-/* Search good / bad pattern on the first and the second page */
-#define NAND_BBT_SCAN2NDPAGE    0x00004000
-
-/* The maximum number of blocks to scan for a bbt */
-#define NAND_BBT_SCAN_MAXBLOCKS 4
-
 extern int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd);
 extern int nand_update_bbt(struct mtd_info *mtd, loff_t offs);
 extern int nand_default_bbt(struct mtd_info *mtd);
@@ -548,12 +469,6 @@ extern int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
                         size_t * retlen, uint8_t * buf);
 
-/*
-* Constants for oob configuration
-*/
-#define NAND_SMALL_BADBLOCK_POS         5
-#define NAND_LARGE_BADBLOCK_POS         0
-
 /**
  * struct platform_nand_chip - chip level device structure
  * @nr_chips:           max. number of chips to scan for
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h
index 052ea8ca2434..41bc013571d0 100644
--- a/include/linux/mtd/nand_ecc.h
+++ b/include/linux/mtd/nand_ecc.h
@@ -16,7 +16,13 @@
 struct mtd_info;
 
 /*
- * Calculate 3 byte ECC code for 256 byte block
+ * Calculate 3 byte ECC code for eccsize byte block
+ */
+void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
+                                u_char *ecc_code);
+
+/*
+ * Calculate 3 byte ECC code for 256/512 byte block
  */
 int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
 
@@ -27,7 +33,7 @@ int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
                         unsigned int eccsize);
 
 /*
- * Detect and correct a 1 bit error for 256 byte block
+ * Detect and correct a 1 bit error for 256/512 byte block
  */
 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
 
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 4e49f3350678..5509eb06b326 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -1,7 +1,7 @@
 /*
  *  linux/include/linux/mtd/onenand.h
  *
- *  Copyright (C) 2005-2007 Samsung Electronics
+ *  Copyright © 2005-2009 Samsung Electronics
  *  Kyungmin Park <kyungmin.park@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -14,6 +14,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/completion.h>
+#include <linux/mtd/flashchip.h>
 #include <linux/mtd/onenand_regs.h>
 #include <linux/mtd/bbm.h>
 
@@ -25,22 +26,6 @@ extern int onenand_scan(struct mtd_info *mtd, int max_chips);
 /* Free resources held by the OneNAND device */
 extern void onenand_release(struct mtd_info *mtd);
 
-/*
- * onenand_state_t - chip states
- * Enumeration for OneNAND flash chip state
- */
-typedef enum {
-        FL_READY,
-        FL_READING,
-        FL_WRITING,
-        FL_ERASING,
-        FL_SYNCING,
-        FL_LOCKING,
-        FL_RESETING,
-        FL_OTPING,
-        FL_PM_SUSPENDED,
-} onenand_state_t;
-
 /**
  * struct onenand_bufferram - OneNAND BufferRAM Data
  * @blockpage:          block & page address in BufferRAM
@@ -137,7 +122,7 @@ struct onenand_chip {
 
         spinlock_t              chip_lock;
         wait_queue_head_t       wq;
-        onenand_state_t         state;
+        flstate_t               state;
         unsigned char           *page_buf;
         unsigned char           *oob_buf;
 
@@ -152,6 +137,8 @@ struct onenand_chip {
 /*
  * Helper macros
  */
+#define ONENAND_PAGES_PER_BLOCK        (1<<6)
+
 #define ONENAND_CURRENT_BUFFERRAM(this)         (this->bufferram_index)
 #define ONENAND_NEXT_BUFFERRAM(this)            (this->bufferram_index ^ 1)
 #define ONENAND_SET_NEXT_BUFFERRAM(this)        (this->bufferram_index ^= 1)
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index acadbf53a69f..cd6f3b431195 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -131,6 +131,8 @@
 #define ONENAND_CMD_LOCK_TIGHT          (0x2C)
 #define ONENAND_CMD_UNLOCK_ALL          (0x27)
 #define ONENAND_CMD_ERASE               (0x94)
+#define ONENAND_CMD_MULTIBLOCK_ERASE    (0x95)
+#define ONENAND_CMD_ERASE_VERIFY        (0x71)
 #define ONENAND_CMD_RESET               (0xF0)
 #define ONENAND_CMD_OTP_ACCESS          (0x65)
 #define ONENAND_CMD_READID              (0x90)