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mtd,ubi,ubifs: sync with linux v3.15

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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>
This commit is contained in:
Heiko Schocher 2014-07-15 16:08:43 +02:00 committed by Tom Rini
parent ddf7bcfa6c
commit 4e67c57125
11 changed files with 341 additions and 68 deletions
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24
drivers/mtd/mtdcore.c
View File

@ -1011,14 +1011,14 @@ EXPORT_SYMBOL_GPL(mtd_read_oob);
* devices. The user data is one time programmable but the factory data is read
* only.
*/
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)
{
if (!mtd->_get_fact_prot_info)
return -EOPNOTSUPP;
if (!len)
return 0;
return mtd->_get_fact_prot_info(mtd, buf, len);
return mtd->_get_fact_prot_info(mtd, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_get_fact_prot_info);
@ -1034,14 +1034,14 @@ int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
}
EXPORT_SYMBOL_GPL(mtd_read_fact_prot_reg);
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)
{
if (!mtd->_get_user_prot_info)
return -EOPNOTSUPP;
if (!len)
return 0;
return mtd->_get_user_prot_info(mtd, buf, len);
return mtd->_get_user_prot_info(mtd, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_get_user_prot_info);
@ -1060,12 +1060,22 @@ EXPORT_SYMBOL_GPL(mtd_read_user_prot_reg);
int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, u_char *buf)
{
int ret;
*retlen = 0;
if (!mtd->_write_user_prot_reg)
return -EOPNOTSUPP;
if (!len)
return 0;
return mtd->_write_user_prot_reg(mtd, to, len, retlen, buf);
ret = mtd->_write_user_prot_reg(mtd, to, len, retlen, buf);
if (ret)
return ret;
/*
* If no data could be written at all, we are out of memory and
* must return -ENOSPC.
*/
return (*retlen) ? 0 : -ENOSPC;
}
EXPORT_SYMBOL_GPL(mtd_write_user_prot_reg);

14
drivers/mtd/mtdpart.c
View File

@ -178,11 +178,12 @@ static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
retlen, buf);
}
static int part_get_user_prot_info(struct mtd_info *mtd,
struct otp_info *buf, size_t len)
static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
size_t *retlen, struct otp_info *buf)
{
struct mtd_part *part = PART(mtd);
return part->master->_get_user_prot_info(part->master, buf, len);
return part->master->_get_user_prot_info(part->master, len, retlen,
buf);
}
static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
@ -193,11 +194,12 @@ static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
retlen, buf);
}
static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
size_t len)
static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
size_t *retlen, struct otp_info *buf)
{
struct mtd_part *part = PART(mtd);
return part->master->_get_fact_prot_info(part->master, buf, len);
return part->master->_get_fact_prot_info(part->master, len, retlen,
buf);
}
static int part_write(struct mtd_info *mtd, loff_t to, size_t len,

174
drivers/mtd/nand/nand_base.c
View File

@ -744,7 +744,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
/* Serially input address */
if (column != -1) {
/* Adjust columns for 16 bit buswidth */
if ((chip->options & NAND_BUSWIDTH_16) &&
if (chip->options & NAND_BUSWIDTH_16 &&
!nand_opcode_8bits(command))
column >>= 1;
chip->cmd_ctrl(mtd, column, ctrl);
@ -837,7 +837,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
/* Serially input address */
if (column != -1) {
/* Adjust columns for 16 bit buswidth */
if ((chip->options & NAND_BUSWIDTH_16) &&
if (chip->options & NAND_BUSWIDTH_16 &&
!nand_opcode_8bits(command))
column >>= 1;
chip->cmd_ctrl(mtd, column, ctrl);
@ -1346,9 +1346,11 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
* @data_offs: offset of requested data within the page
* @readlen: data length
* @bufpoi: buffer to store read data
* @page: page number to read
*/
static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi)
uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi,
int page)
{
int start_step, end_step, num_steps;
uint32_t *eccpos = chip->ecc.layout->eccpos;
@ -1356,13 +1358,14 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
int data_col_addr, i, gaps = 0;
int datafrag_len, eccfrag_len, aligned_len, aligned_pos;
int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1;
int index = 0;
int index;
unsigned int max_bitflips = 0;
/* Column address within the page aligned to ECC size (256bytes) */
start_step = data_offs / chip->ecc.size;
end_step = (data_offs + readlen - 1) / chip->ecc.size;
num_steps = end_step - start_step + 1;
index = start_step * chip->ecc.bytes;
/* Data size aligned to ECC ecc.size */
datafrag_len = num_steps * chip->ecc.size;
@ -1399,8 +1402,6 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
* Send the command to read the particular ECC bytes take care
* about buswidth alignment in read_buf.
*/
index = start_step * chip->ecc.bytes;
aligned_pos = eccpos[index] & ~(busw - 1);
aligned_len = eccfrag_len;
if (eccpos[index] & (busw - 1))
@ -1725,7 +1726,8 @@ read_retry:
else if (!aligned && NAND_HAS_SUBPAGE_READ(chip) &&
!oob)
ret = chip->ecc.read_subpage(mtd, chip,
col, bytes, bufpoi);
col, bytes, bufpoi,
page);
else
ret = chip->ecc.read_page(mtd, chip, bufpoi,
oob_required, page);
@ -2189,7 +2191,7 @@ static int nand_write_page_raw_syndrome(struct mtd_info *mtd,
oob += chip->ecc.prepad;
}
chip->read_buf(mtd, oob, eccbytes);
chip->write_buf(mtd, oob, eccbytes);
oob += eccbytes;
if (chip->ecc.postpad) {
@ -3154,7 +3156,6 @@ static void nand_set_defaults(struct nand_chip *chip, int busw)
}
#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
/* Sanitize ONFI strings so we can safely print them */
#ifndef __UBOOT__
static void sanitize_string(uint8_t *s, size_t len)
@ -3189,6 +3190,7 @@ static u16 onfi_crc16(u16 crc, u8 const *p, size_t len)
return crc;
}
#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
/* Parse the Extended Parameter Page. */
static int nand_flash_detect_ext_param_page(struct mtd_info *mtd,
struct nand_chip *chip, struct nand_onfi_params *p)
@ -3304,15 +3306,6 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
chip->read_byte(mtd) != 'F' || chip->read_byte(mtd) != 'I')
return 0;
/*
* ONFI must be probed in 8-bit mode or with NAND_BUSWIDTH_AUTO, not
* with NAND_BUSWIDTH_16
*/
if (chip->options & NAND_BUSWIDTH_16) {
pr_err("ONFI cannot be probed in 16-bit mode; aborting\n");
return 0;
}
chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1);
for (i = 0; i < 3; i++) {
for (j = 0; j < sizeof(*p); j++)
@ -3408,6 +3401,87 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
}
#endif
/*
* Check if the NAND chip is JEDEC compliant, returns 1 if it is, 0 otherwise.
*/
static int nand_flash_detect_jedec(struct mtd_info *mtd, struct nand_chip *chip,
int *busw)
{
struct nand_jedec_params *p = &chip->jedec_params;
struct jedec_ecc_info *ecc;
int val;
int i, j;
/* Try JEDEC for unknown chip or LP */
chip->cmdfunc(mtd, NAND_CMD_READID, 0x40, -1);
if (chip->read_byte(mtd) != 'J' || chip->read_byte(mtd) != 'E' ||
chip->read_byte(mtd) != 'D' || chip->read_byte(mtd) != 'E' ||
chip->read_byte(mtd) != 'C')
return 0;
chip->cmdfunc(mtd, NAND_CMD_PARAM, 0x40, -1);
for (i = 0; i < 3; i++) {
for (j = 0; j < sizeof(*p); j++)
((uint8_t *)p)[j] = chip->read_byte(mtd);
if (onfi_crc16(ONFI_CRC_BASE, (uint8_t *)p, 510) ==
le16_to_cpu(p->crc))
break;
}
if (i == 3) {
pr_err("Could not find valid JEDEC parameter page; aborting\n");
return 0;
}
/* Check version */
val = le16_to_cpu(p->revision);
if (val & (1 << 2))
chip->jedec_version = 10;
else if (val & (1 << 1))
chip->jedec_version = 1; /* vendor specific version */
if (!chip->jedec_version) {
pr_info("unsupported JEDEC version: %d\n", val);
return 0;
}
sanitize_string(p->manufacturer, sizeof(p->manufacturer));
sanitize_string(p->model, sizeof(p->model));
if (!mtd->name)
mtd->name = p->model;
mtd->writesize = le32_to_cpu(p->byte_per_page);
/* Please reference to the comment for nand_flash_detect_onfi. */
mtd->erasesize = 1 << (fls(le32_to_cpu(p->pages_per_block)) - 1);
mtd->erasesize *= mtd->writesize;
mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
/* Please reference to the comment for nand_flash_detect_onfi. */
chip->chipsize = 1 << (fls(le32_to_cpu(p->blocks_per_lun)) - 1);
chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;
chip->bits_per_cell = p->bits_per_cell;
if (jedec_feature(chip) & JEDEC_FEATURE_16_BIT_BUS)
*busw = NAND_BUSWIDTH_16;
else
*busw = 0;
/* ECC info */
ecc = &p->ecc_info[0];
if (ecc->codeword_size >= 9) {
chip->ecc_strength_ds = ecc->ecc_bits;
chip->ecc_step_ds = 1 << ecc->codeword_size;
} else {
pr_warn("Invalid codeword size\n");
}
return 1;
}
/*
* nand_id_has_period - Check if an ID string has a given wraparound period
* @id_data: the ID string
@ -3718,10 +3792,10 @@ static bool find_full_id_nand(struct mtd_info *mtd, struct nand_chip *chip,
*/
static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
struct nand_chip *chip,
int busw,
int *maf_id, int *dev_id,
struct nand_flash_dev *type)
{
int busw;
int i, maf_idx;
u8 id_data[8];
@ -3777,6 +3851,10 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
/* Check is chip is ONFI compliant */
if (nand_flash_detect_onfi(mtd, chip, &busw))
goto ident_done;
/* Check if the chip is JEDEC compliant */
if (nand_flash_detect_jedec(mtd, chip, &busw))
goto ident_done;
}
if (!type->name)
@ -3856,12 +3934,29 @@ ident_done:
pr_info("device found, Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
*maf_id, *dev_id);
#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
chip->onfi_version ? chip->onfi_params.model : type->name);
if (chip->onfi_version)
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
chip->onfi_params.model);
else if (chip->jedec_version)
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
chip->jedec_params.model);
else
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
type->name);
#else
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name, type->name);
if (chip->jedec_version)
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
chip->jedec_params.model);
else
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
type->name);
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
type->name);
#endif
pr_info("%dMiB, %s, page size: %d, OOB size: %d\n",
(int)(chip->chipsize >> 20), nand_is_slc(chip) ? "SLC" : "MLC",
mtd->writesize, mtd->oobsize);
@ -3882,18 +3977,16 @@ ident_done:
int nand_scan_ident(struct mtd_info *mtd, int maxchips,
struct nand_flash_dev *table)
{
int i, busw, nand_maf_id, nand_dev_id;
int i, nand_maf_id, nand_dev_id;
struct nand_chip *chip = mtd->priv;
struct nand_flash_dev *type;
/* Get buswidth to select the correct functions */
busw = chip->options & NAND_BUSWIDTH_16;
/* Set the default functions */
nand_set_defaults(chip, busw);
nand_set_defaults(chip, chip->options & NAND_BUSWIDTH_16);
/* Read the flash type */
type = nand_get_flash_type(mtd, chip, busw,
&nand_maf_id, &nand_dev_id, table);
type = nand_get_flash_type(mtd, chip, &nand_maf_id,
&nand_dev_id, table);
if (IS_ERR(type)) {
if (!(chip->options & NAND_SCAN_SILENT_NODEV))
@ -3947,15 +4040,30 @@ int nand_scan_tail(struct mtd_info *mtd)
int i;
struct nand_chip *chip = mtd->priv;
struct nand_ecc_ctrl *ecc = &chip->ecc;
struct nand_buffers *nbuf;
/* New bad blocks should be marked in OOB, flash-based BBT, or both */
BUG_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) &&
!(chip->bbt_options & NAND_BBT_USE_FLASH));
if (!(chip->options & NAND_OWN_BUFFERS))
chip->buffers = kmalloc(sizeof(*chip->buffers), GFP_KERNEL);
if (!chip->buffers)
return -ENOMEM;
if (!(chip->options & NAND_OWN_BUFFERS)) {
#ifndef __UBOOT__
nbuf = kzalloc(sizeof(*nbuf) + mtd->writesize
+ mtd->oobsize * 3, GFP_KERNEL);
if (!nbuf)
return -ENOMEM;
nbuf->ecccalc = (uint8_t *)(nbuf + 1);
nbuf->ecccode = nbuf->ecccalc + mtd->oobsize;
nbuf->databuf = nbuf->ecccode + mtd->oobsize;
#else
nbuf = kzalloc(sizeof(struct nand_buffers), GFP_KERNEL);
#endif
chip->buffers = nbuf;
} else {
if (!chip->buffers)
return -ENOMEM;
}
/* Set the internal oob buffer location, just after the page data */
chip->oob_poi = chip->buffers->databuf + mtd->writesize;
@ -4076,7 +4184,7 @@ int nand_scan_tail(struct mtd_info *mtd)
case NAND_ECC_SOFT_BCH:
if (!mtd_nand_has_bch()) {
pr_warn("CONFIG_MTD_ECC_BCH not enabled\n");
pr_warn("CONFIG_MTD_NAND_ECC_BCH not enabled\n");
BUG();
}
ecc->calculate = nand_bch_calculate_ecc;

3
drivers/mtd/nand/nand_ids.c
View File

@ -59,6 +59,9 @@ struct nand_flash_dev nand_flash_ids[] = {
{"TC58NVG6D2 64G 3.3V 8-bit",
{ .id = {0x98, 0xde, 0x94, 0x82, 0x76, 0x56, 0x04, 0x20} },
SZ_8K, SZ_8K, SZ_2M, 0, 8, 640, NAND_ECC_INFO(40, SZ_1K) },
{"SDTNRGAMA 64G 3.3V 8-bit",
{ .id = {0x45, 0xde, 0x94, 0x93, 0x76, 0x50} },
SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) },
LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS),
LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS),

11
drivers/mtd/ubi/build.c
View File

@ -1331,6 +1331,15 @@ int ubi_init(void)
}
}
err = ubiblock_init();
if (err) {
ubi_err("block: cannot initialize, error %d", err);
/* See comment above re-ubi_is_module(). */
if (ubi_is_module())
goto out_detach;
}
return 0;
out_detach:
@ -1363,6 +1372,8 @@ void ubi_exit(void)
{
int i;
ubiblock_exit();
for (i = 0; i < UBI_MAX_DEVICES; i++)
if (ubi_devices[i]) {
mutex_lock(&ubi_devices_mutex);

21
drivers/mtd/ubi/ubi.h
View File

@ -12,7 +12,6 @@
#define __UBOOT__
#ifndef __UBOOT__
#include <linux/init.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/rbtree.h>
@ -884,6 +883,26 @@ int ubi_update_fastmap(struct ubi_device *ubi);
int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
int fm_anchor);
/* block.c */
#ifdef CONFIG_MTD_UBI_BLOCK
int ubiblock_init(void);
void ubiblock_exit(void);
int ubiblock_create(struct ubi_volume_info *vi);
int ubiblock_remove(struct ubi_volume_info *vi);
#else
static inline int ubiblock_init(void) { return 0; }
static inline void ubiblock_exit(void) {}
static inline int ubiblock_create(struct ubi_volume_info *vi)
{
return -ENOSYS;
}
static inline int ubiblock_remove(struct ubi_volume_info *vi)
{
return -ENOSYS;
}
#endif
/*
* ubi_rb_for_each_entry - walk an RB-tree.
* @rb: a pointer to type 'struct rb_node' to use as a loop counter

6
drivers/mtd/ubi/wl.c
View File

@ -672,6 +672,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
ubi->free_count--;
ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@ -685,6 +687,9 @@ int ubi_wl_get_peb(struct ubi_device *ubi)
peb = __wl_get_peb(ubi);
spin_unlock(&ubi->wl_lock);
if (peb < 0)
return peb;
err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
@ -1077,6 +1082,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);

5
fs/ubifs/super.c
View File

@ -531,7 +531,7 @@ static void ubifs_evict_inode(struct inode *inode)
dbg_gen("inode %lu, mode %#x", inode->i_ino, (int)inode->i_mode);
ubifs_assert(!atomic_read(&inode->i_count));
truncate_inode_pages(&inode->i_data, 0);
truncate_inode_pages_final(&inode->i_data);
if (inode->i_nlink)
goto done;
@ -1786,7 +1786,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
if (c->space_fixup) {
err = ubifs_fixup_free_space(c);
if (err)
return err;
goto out;
}
err = check_free_space(c);
@ -2063,6 +2063,7 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
int err;
struct ubifs_info *c = sb->s_fs_info;
sync_filesystem(sb);
dbg_gen("old flags %#lx, new flags %#x", sb->s_flags, *flags);
err = ubifs_parse_options(c, data, 1);

16
include/linux/mtd/mtd.h
View File

@ -219,12 +219,12 @@ struct mtd_info {
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 @@ static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
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,

113
include/linux/mtd/nand.h
View File

@ -59,15 +59,15 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
/* 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 @@ struct nand_onfi_vendor_micron {
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 @@ struct nand_ecc_ctrl {
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_ecc_ctrl {
/**
* 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 @@ struct nand_buffers {
* @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 @@ struct nand_chip {
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 @@ static inline int nand_opcode_8bits(unsigned int command)
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);

22
include/mtd/ubi-user.h
View File

@ -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 @@ struct ubi_set_vol_prop_req {
__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__ */