mtd,ubi,ubifs: sync with linux v3.15
snyc with linux v3.15:
commit 1860e379875dfe7271c649058aeddffe5afd9d0d
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jun 8 11:19:54 2014 -0700
Linux 3.15
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Tom Rini <trini@ti.com>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index e6cfd55..1526d07 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -219,12 +219,12 @@
struct mtd_oob_ops *ops);
int (*_write_oob) (struct mtd_info *mtd, loff_t to,
struct mtd_oob_ops *ops);
- int (*_get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
+ int (*_get_fact_prot_info) (struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf);
int (*_read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf);
- int (*_get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
+ int (*_get_user_prot_info) (struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf);
int (*_read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf);
int (*_write_user_prot_reg) (struct mtd_info *mtd, loff_t to,
@@ -303,12 +303,12 @@
return mtd->_write_oob(mtd, to, ops);
}
-int mtd_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
+int mtd_get_fact_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf);
int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf);
-int mtd_get_user_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
+int mtd_get_user_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf);
int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf);
int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 489c703..67d2651 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -59,15 +59,15 @@
/* The maximum number of NAND chips in an array */
#define NAND_MAX_CHIPS 8
-#endif
-
+#else
/*
* This constant declares the max. oobsize / page, which
* is supported now. If you add a chip with bigger oobsize/page
* adjust this accordingly.
*/
-#define NAND_MAX_OOBSIZE 744
-#define NAND_MAX_PAGESIZE 8192
+#define NAND_MAX_OOBSIZE 744
+#define NAND_MAX_PAGESIZE 8192
+#endif
/*
* Constants for hardware specific CLE/ALE/NCE function
@@ -385,6 +385,84 @@
u8 param_revision;
} __packed;
+struct jedec_ecc_info {
+ u8 ecc_bits;
+ u8 codeword_size;
+ __le16 bb_per_lun;
+ __le16 block_endurance;
+ u8 reserved[2];
+} __packed;
+
+/* JEDEC features */
+#define JEDEC_FEATURE_16_BIT_BUS (1 << 0)
+
+struct nand_jedec_params {
+ /* rev info and features block */
+ /* 'J' 'E' 'S' 'D' */
+ u8 sig[4];
+ __le16 revision;
+ __le16 features;
+ u8 opt_cmd[3];
+ __le16 sec_cmd;
+ u8 num_of_param_pages;
+ u8 reserved0[18];
+
+ /* manufacturer information block */
+ char manufacturer[12];
+ char model[20];
+ u8 jedec_id[6];
+ u8 reserved1[10];
+
+ /* memory organization block */
+ __le32 byte_per_page;
+ __le16 spare_bytes_per_page;
+ u8 reserved2[6];
+ __le32 pages_per_block;
+ __le32 blocks_per_lun;
+ u8 lun_count;
+ u8 addr_cycles;
+ u8 bits_per_cell;
+ u8 programs_per_page;
+ u8 multi_plane_addr;
+ u8 multi_plane_op_attr;
+ u8 reserved3[38];
+
+ /* electrical parameter block */
+ __le16 async_sdr_speed_grade;
+ __le16 toggle_ddr_speed_grade;
+ __le16 sync_ddr_speed_grade;
+ u8 async_sdr_features;
+ u8 toggle_ddr_features;
+ u8 sync_ddr_features;
+ __le16 t_prog;
+ __le16 t_bers;
+ __le16 t_r;
+ __le16 t_r_multi_plane;
+ __le16 t_ccs;
+ __le16 io_pin_capacitance_typ;
+ __le16 input_pin_capacitance_typ;
+ __le16 clk_pin_capacitance_typ;
+ u8 driver_strength_support;
+ __le16 t_ald;
+ u8 reserved4[36];
+
+ /* ECC and endurance block */
+ u8 guaranteed_good_blocks;
+ __le16 guaranteed_block_endurance;
+ struct jedec_ecc_info ecc_info[4];
+ u8 reserved5[29];
+
+ /* reserved */
+ u8 reserved6[148];
+
+ /* vendor */
+ __le16 vendor_rev_num;
+ u8 reserved7[88];
+
+ /* CRC for Parameter Page */
+ __le16 crc;
+} __packed;
+
/**
* struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices
* @lock: protection lock
@@ -455,7 +533,7 @@
int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip,
uint8_t *buf, int oob_required, int page);
int (*read_subpage)(struct mtd_info *mtd, struct nand_chip *chip,
- uint32_t offs, uint32_t len, uint8_t *buf);
+ uint32_t offs, uint32_t len, uint8_t *buf, int page);
int (*write_subpage)(struct mtd_info *mtd, struct nand_chip *chip,
uint32_t offset, uint32_t data_len,
const uint8_t *data_buf, int oob_required);
@@ -472,17 +550,17 @@
/**
* struct nand_buffers - buffer structure for read/write
- * @ecccalc: buffer for calculated ECC
- * @ecccode: buffer for ECC read from flash
- * @databuf: buffer for data - dynamically sized
+ * @ecccalc: buffer pointer for calculated ECC, size is oobsize.
+ * @ecccode: buffer pointer for ECC read from flash, size is oobsize.
+ * @databuf: buffer pointer for data, size is (page size + oobsize).
*
* Do not change the order of buffers. databuf and oobrbuf must be in
* consecutive order.
*/
struct nand_buffers {
#ifndef __UBOOT__
- uint8_t *ecccalc;
- uint8_t *ecccode;
+ uint8_t *ecccalc;
+ uint8_t *ecccode;
uint8_t *databuf;
#else
uint8_t ecccalc[ALIGN(NAND_MAX_OOBSIZE, ARCH_DMA_MINALIGN)];
@@ -567,8 +645,12 @@
* @subpagesize: [INTERN] holds the subpagesize
* @onfi_version: [INTERN] holds the chip ONFI version (BCD encoded),
* non 0 if ONFI supported.
+ * @jedec_version: [INTERN] holds the chip JEDEC version (BCD encoded),
+ * non 0 if JEDEC supported.
* @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is
* supported, 0 otherwise.
+ * @jedec_params: [INTERN] holds the JEDEC parameter page when JEDEC is
+ * supported, 0 otherwise.
* @read_retries: [INTERN] the number of read retry modes supported
* @onfi_set_features: [REPLACEABLE] set the features for ONFI nand
* @onfi_get_features: [REPLACEABLE] get the features for ONFI nand
@@ -646,10 +728,12 @@
int badblockbits;
int onfi_version;
+ int jedec_version;
#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
struct nand_onfi_params onfi_params;
#endif
-
+ struct nand_jedec_params jedec_params;
+
int read_retries;
flstate_t state;
@@ -923,6 +1007,13 @@
return 0;
}
+/* return the supported JEDEC features. */
+static inline int jedec_feature(struct nand_chip *chip)
+{
+ return chip->jedec_version ? le16_to_cpu(chip->jedec_params.features)
+ : 0;
+}
+
#ifdef __UBOOT__
/* Standard NAND functions from nand_base.c */
void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len);
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index c93914a..22d90040 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -122,6 +122,16 @@
* used. A pointer to a &struct ubi_set_vol_prop_req object is expected to be
* passed. The object describes which property should be set, and to which value
* it should be set.
+ *
+ * Block devices on UBI volumes
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * To create a R/O block device on top of an UBI volume the %UBI_IOCVOLCRBLK
+ * should be used. A pointer to a &struct ubi_blkcreate_req object is expected
+ * to be passed, which is not used and reserved for future usage.
+ *
+ * Conversely, to remove a block device the %UBI_IOCVOLRMBLK should be used,
+ * which takes no arguments.
*/
/*
@@ -179,6 +189,10 @@
/* Set an UBI volume property */
#define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6, \
struct ubi_set_vol_prop_req)
+/* Create a R/O block device on top of an UBI volume */
+#define UBI_IOCVOLCRBLK _IOW(UBI_VOL_IOC_MAGIC, 7, struct ubi_blkcreate_req)
+/* Remove the R/O block device */
+#define UBI_IOCVOLRMBLK _IO(UBI_VOL_IOC_MAGIC, 8)
/* Maximum MTD device name length supported by UBI */
#define MAX_UBI_MTD_NAME_LEN 127
@@ -408,4 +422,12 @@
__u64 value;
} __packed;
+/**
+ * struct ubi_blkcreate_req - a data structure used in block creation requests.
+ * @padding: reserved for future, not used, has to be zeroed
+ */
+struct ubi_blkcreate_req {
+ __s8 padding[128];
+} __packed;
+
#endif /* __UBI_USER_H__ */