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-rw-r--r--include/linux/mtd/mtd.h2
-rw-r--r--include/linux/mtd/nand.h16
-rw-r--r--include/linux/mtd/onenand.h24
-rw-r--r--include/linux/mtd/onenand_regs.h20
-rw-r--r--include/linux/mtd/partitions.h3
-rw-r--r--include/linux/mtd/ubi.h37
6 files changed, 98 insertions, 4 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 5675b63a063..0f32a9b6ff5 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -251,7 +251,7 @@ struct mtd_info {
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
- return dev ? container_of(dev, struct mtd_info, dev) : NULL;
+ return dev ? dev_get_drvdata(dev) : NULL;
}
static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 7efb9be3466..4030ebada49 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 9aa2a9149b5..8ed87337438 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 0c6bbe28f38..86a6bbef646 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 7535a74083b..b70313d33ff 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)
@@ -48,6 +47,8 @@ struct mtd_partition {
#define MTDPART_SIZ_FULL (0)
+struct mtd_info;
+
int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
int del_mtd_partitions(struct mtd_info *);
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index 6316fafe5c2..6913b71d9ab 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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 16:55:29 +0000