5 files changed, 95 insertions, 3 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 7efb9be34662..4030ebada49e 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -563,6 +563,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
  * @options:            Option flags, e.g. 16bit buswidth
  * @ecclayout:          ecc layout info structure
  * @part_probe_types:   NULL-terminated array of probe types
+ * @set_parts:          platform specific function to set partitions
  * @priv:               hardware controller specific settings
  */
 struct platform_nand_chip {
@@ -574,26 +575,41 @@ struct platform_nand_chip {
         int                     chip_delay;
         unsigned int            options;
         const char              **part_probe_types;
+        void                    (*set_parts)(uint64_t size,
+                                        struct platform_nand_chip *chip);
         void                    *priv;
 };
 
+/* Keep gcc happy */
+struct platform_device;
+
 /**
  * struct platform_nand_ctrl - controller level device structure
+ * @probe:              platform specific function to probe/setup hardware
+ * @remove:             platform specific function to remove/teardown hardware
  * @hwcontrol:          platform specific hardware control structure
  * @dev_ready:          platform specific function to read ready/busy pin
  * @select_chip:        platform specific chip select function
  * @cmd_ctrl:           platform specific function for controlling
  *                      ALE/CLE/nCE. Also used to write command and address
+ * @write_buf:          platform specific function for write buffer
+ * @read_buf:           platform specific function for read buffer
  * @priv:               private data to transport driver specific settings
  *
  * All fields are optional and depend on the hardware driver requirements
  */
 struct platform_nand_ctrl {
+        int             (*probe)(struct platform_device *pdev);
+        void            (*remove)(struct platform_device *pdev);
         void            (*hwcontrol)(struct mtd_info *mtd, int cmd);
         int             (*dev_ready)(struct mtd_info *mtd);
         void            (*select_chip)(struct mtd_info *mtd, int chip);
         void            (*cmd_ctrl)(struct mtd_info *mtd, int dat,
                                     unsigned int ctrl);
+        void            (*write_buf)(struct mtd_info *mtd,
+                                    const uint8_t *buf, int len);
+        void            (*read_buf)(struct mtd_info *mtd,
+                                    uint8_t *buf, int len);
         void            *priv;
 };
 
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 9aa2a9149b58..8ed873374381 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -17,6 +17,7 @@
 #include <linux/mtd/onenand_regs.h>
 #include <linux/mtd/bbm.h>
 
+#define MAX_DIES                2
 #define MAX_BUFFERRAM           2
 
 /* Scan and identify a OneNAND device */
@@ -51,7 +52,12 @@ struct onenand_bufferram {
 /**
  * struct onenand_chip - OneNAND Private Flash Chip Data
  * @base:               [BOARDSPECIFIC] address to access OneNAND
+ * @dies:               [INTERN][FLEX-ONENAND] number of dies on chip
+ * @boundary:           [INTERN][FLEX-ONENAND] Boundary of the dies
+ * @diesize:            [INTERN][FLEX-ONENAND] Size of the dies
  * @chipsize:           [INTERN] the size of one chip for multichip arrays
+ *                      FIXME For Flex-OneNAND, chipsize holds maximum possible
+ *                      device size ie when all blocks are considered MLC
  * @device_id:          [INTERN] device ID
  * @density_mask:       chip density, used for DDP devices
  * @verstion_id:        [INTERN] version ID
@@ -68,6 +74,8 @@ struct onenand_bufferram {
  * @command:            [REPLACEABLE] hardware specific function for writing
  *                      commands to the chip
  * @wait:               [REPLACEABLE] hardware specific function for wait on ready
+ * @bbt_wait:           [REPLACEABLE] hardware specific function for bbt wait on ready
+ * @unlock_all:         [REPLACEABLE] hardware specific function for unlock all
  * @read_bufferram:     [REPLACEABLE] hardware specific function for BufferRAM Area
  * @write_bufferram:    [REPLACEABLE] hardware specific function for BufferRAM Area
  * @read_word:          [REPLACEABLE] hardware specific function for read
@@ -92,9 +100,13 @@ struct onenand_bufferram {
  */
 struct onenand_chip {
         void __iomem            *base;
+        unsigned                dies;
+        unsigned                boundary[MAX_DIES];
+        loff_t                  diesize[MAX_DIES];
         unsigned int            chipsize;
         unsigned int            device_id;
         unsigned int            version_id;
+        unsigned int            technology;
         unsigned int            density_mask;
         unsigned int            options;
 
@@ -108,6 +120,8 @@ struct onenand_chip {
 
         int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len);
         int (*wait)(struct mtd_info *mtd, int state);
+        int (*bbt_wait)(struct mtd_info *mtd, int state);
+        void (*unlock_all)(struct mtd_info *mtd);
         int (*read_bufferram)(struct mtd_info *mtd, int area,
                         unsigned char *buffer, int offset, size_t count);
         int (*write_bufferram)(struct mtd_info *mtd, int area,
@@ -145,6 +159,8 @@ struct onenand_chip {
 #define ONENAND_SET_BUFFERRAM0(this)            (this->bufferram_index = 0)
 #define ONENAND_SET_BUFFERRAM1(this)            (this->bufferram_index = 1)
 
+#define FLEXONENAND(this)                                               \
+        (this->device_id & DEVICE_IS_FLEXONENAND)
 #define ONENAND_GET_SYS_CFG1(this)                                      \
         (this->read_word(this->base + ONENAND_REG_SYS_CFG1))
 #define ONENAND_SET_SYS_CFG1(v, this)                                   \
@@ -153,6 +169,9 @@ struct onenand_chip {
 #define ONENAND_IS_DDP(this)                                            \
         (this->device_id & ONENAND_DEVICE_IS_DDP)
 
+#define ONENAND_IS_MLC(this)                                            \
+        (this->technology & ONENAND_TECHNOLOGY_IS_MLC)
+
 #ifdef CONFIG_MTD_ONENAND_2X_PROGRAM
 #define ONENAND_IS_2PLANE(this)                                         \
         (this->options & ONENAND_HAS_2PLANE)
@@ -169,6 +188,7 @@ struct onenand_chip {
 #define ONENAND_HAS_CONT_LOCK           (0x0001)
 #define ONENAND_HAS_UNLOCK_ALL          (0x0002)
 #define ONENAND_HAS_2PLANE              (0x0004)
+#define ONENAND_SKIP_UNLOCK_CHECK       (0x0100)
 #define ONENAND_PAGEBUF_ALLOC           (0x1000)
 #define ONENAND_OOBBUF_ALLOC            (0x2000)
 
@@ -176,6 +196,7 @@ struct onenand_chip {
  * OneNAND Flash Manufacturer ID Codes
  */
 #define ONENAND_MFR_SAMSUNG     0xec
+#define ONENAND_MFR_NUMONYX     0x20
 
 /**
  * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure
@@ -189,5 +210,8 @@ struct onenand_manufacturers {
 
 int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
                          struct mtd_oob_ops *ops);
+unsigned onenand_block(struct onenand_chip *this, loff_t addr);
+loff_t onenand_addr(struct onenand_chip *this, int block);
+int flexonenand_region(struct mtd_info *mtd, loff_t addr);
 
 #endif  /* __LINUX_MTD_ONENAND_H */
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index 0c6bbe28f38c..86a6bbef6465 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -67,6 +67,9 @@
 /*
  * Device ID Register F001h (R)
  */
+#define DEVICE_IS_FLEXONENAND           (1 << 9)
+#define FLEXONENAND_PI_MASK             (0x3ff)
+#define FLEXONENAND_PI_UNLOCK_SHIFT     (14)
 #define ONENAND_DEVICE_DENSITY_MASK     (0xf)
 #define ONENAND_DEVICE_DENSITY_SHIFT    (4)
 #define ONENAND_DEVICE_IS_DDP           (1 << 3)
@@ -84,6 +87,11 @@
 #define ONENAND_VERSION_PROCESS_SHIFT   (8)
 
 /*
+ * Technology Register F006h (R)
+ */
+#define ONENAND_TECHNOLOGY_IS_MLC       (1 << 0)
+
+/*
  * Start Address 1 F100h (R/W) & Start Address 2 F101h (R/W)
  */
 #define ONENAND_DDP_SHIFT               (15)
@@ -93,7 +101,8 @@
 /*
  * Start Address 8 F107h (R/W)
  */
-#define ONENAND_FPA_MASK                (0x3f)
+/* Note: It's actually 0x3f in case of SLC */
+#define ONENAND_FPA_MASK                (0x7f)
 #define ONENAND_FPA_SHIFT               (2)
 #define ONENAND_FSA_MASK                (0x03)
 
@@ -105,7 +114,8 @@
 #define ONENAND_BSA_BOOTRAM             (0 << 2)
 #define ONENAND_BSA_DATARAM0            (2 << 2)
 #define ONENAND_BSA_DATARAM1            (3 << 2)
-#define ONENAND_BSC_MASK                (0x03)
+/* Note: It's actually 0x03 in case of SLC */
+#define ONENAND_BSC_MASK                (0x07)
 
 /*
  * Command Register F220h (R/W)
@@ -124,9 +134,13 @@
 #define ONENAND_CMD_RESET               (0xF0)
 #define ONENAND_CMD_OTP_ACCESS          (0x65)
 #define ONENAND_CMD_READID              (0x90)
+#define FLEXONENAND_CMD_PI_UPDATE       (0x05)
+#define FLEXONENAND_CMD_PI_ACCESS       (0x66)
+#define FLEXONENAND_CMD_RECOVER_LSB     (0x05)
 
 /* NOTE: Those are not *REAL* commands */
 #define ONENAND_CMD_BUFFERRAM           (0x1978)
+#define FLEXONENAND_CMD_READ_PI         (0x1985)
 
 /*
  * System Configuration 1 Register F221h (R, R/W)
@@ -192,10 +206,12 @@
 #define ONENAND_ECC_1BIT_ALL            (0x5555)
 #define ONENAND_ECC_2BIT                (1 << 1)
 #define ONENAND_ECC_2BIT_ALL            (0xAAAA)
+#define FLEXONENAND_UNCORRECTABLE_ERROR (0x1010)
 
 /*
  * One-Time Programmable (OTP)
  */
+#define FLEXONENAND_OTP_LOCK_OFFSET             (2048)
 #define ONENAND_OTP_LOCK_OFFSET         (14)
 
 #endif  /* __ONENAND_REG_H */
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 7535a74083b9..af6dcb992bc3 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -40,7 +40,6 @@ struct mtd_partition {
         uint64_t offset;                /* offset within the master MTD space */
         uint32_t mask_flags;            /* master MTD flags to mask out for this partition */
         struct nand_ecclayout *ecclayout;       /* out of band layout for this partition (NAND only)*/
-        struct mtd_info **mtdp;         /* pointer to store the MTD object */
 };
 
 #define MTDPART_OFS_NXTBLK      (-2)
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index 6316fafe5c2a..6913b71d9ab2 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -132,6 +132,39 @@ struct ubi_device_info {
         dev_t cdev;
 };
 
+/*
+ * enum - volume notification types.
+ * @UBI_VOLUME_ADDED: volume has been added
+ * @UBI_VOLUME_REMOVED: start volume volume
+ * @UBI_VOLUME_RESIZED: volume size has been re-sized
+ * @UBI_VOLUME_RENAMED: volume name has been re-named
+ * @UBI_VOLUME_UPDATED: volume name has been updated
+ *
+ * These constants define which type of event has happened when a volume
+ * notification function is invoked.
+ */
+enum {
+        UBI_VOLUME_ADDED,
+        UBI_VOLUME_REMOVED,
+        UBI_VOLUME_RESIZED,
+        UBI_VOLUME_RENAMED,
+        UBI_VOLUME_UPDATED,
+};
+
+/*
+ * struct ubi_notification - UBI notification description structure.
+ * @di: UBI device description object
+ * @vi: UBI volume description object
+ *
+ * UBI notifiers are called with a pointer to an object of this type. The
+ * object describes the notification. Namely, it provides a description of the
+ * UBI device and UBI volume the notification informs about.
+ */
+struct ubi_notification {
+        struct ubi_device_info di;
+        struct ubi_volume_info vi;
+};
+
 /* UBI descriptor given to users when they open UBI volumes */
 struct ubi_volume_desc;
 
@@ -141,6 +174,10 @@ void ubi_get_volume_info(struct ubi_volume_desc *desc,
 struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode);
 struct ubi_volume_desc *ubi_open_volume_nm(int ubi_num, const char *name,
                                            int mode);
+int ubi_register_volume_notifier(struct notifier_block *nb,
+                                 int ignore_existing);
+int ubi_unregister_volume_notifier(struct notifier_block *nb);
+
 void ubi_close_volume(struct ubi_volume_desc *desc);
 int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
                  int len, int check);