@@ -214,7 +214,7 @@ static int atmel_nand_calculate(struct mtd_info *mtd,
* buf: buffer to store read data
*/
static int atmel_nand_read_page(struct mtd_info *mtd,
- struct nand_chip *chip, uint8_t *buf)
+ struct nand_chip *chip, uint8_t *buf, int page)
{
int eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@@ -381,7 +381,7 @@ static int cafe_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
* we need a special oob layout and handling.
*/
static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
struct cafe_priv *cafe = mtd->priv;
@@ -739,7 +739,8 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd)
static int fsl_elbc_read_page(struct mtd_info *mtd,
struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf,
+ int page)
{
fsl_elbc_read_buf(mtd, buf, mtd->writesize);
fsl_elbc_read_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -750,7 +750,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
* @buf: buffer to store read data
*/
static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
chip->read_buf(mtd, buf, mtd->writesize);
chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -764,7 +764,7 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
* @buf: buffer to store read data
*/
static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
int i, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@@ -774,7 +774,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
uint8_t *ecc_code = chip->buffers->ecccode;
uint32_t *eccpos = chip->ecc.layout->eccpos;
- chip->ecc.read_page_raw(mtd, chip, buf);
+ chip->ecc.read_page_raw(mtd, chip, buf, page);
for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
chip->ecc.calculate(mtd, p, &ecc_calc[i]);
@@ -887,7 +887,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint3
* Not for syndrome calculating ecc controllers which need a special oob layout
*/
static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
int i, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@@ -932,7 +932,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
* we need a special oob layout and handling.
*/
static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
int i, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@@ -997,8 +997,10 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
struct nand_oobfree *free = chip->ecc.layout->oobfree;
uint32_t boffs = 0, roffs = ops->ooboffs;
size_t bytes = 0;
+ unsigned int i;
- for(; free->length && len; free++, len -= bytes) {
+ for (i = 0; i < chip->ecc.steps && i < MTD_MAX_OOBFREE_ENTRIES
+ && free->length && len; i++, free++, len -= bytes) {
/* Read request not from offset 0 ? */
if (unlikely(roffs)) {
if (roffs >= free->length) {
@@ -1074,11 +1076,13 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
/* Now read the page into the buffer */
if (unlikely(ops->mode == MTD_OOB_RAW))
- ret = chip->ecc.read_page_raw(mtd, chip, bufpoi);
+ ret = chip->ecc.read_page_raw(mtd, chip,
+ bufpoi, page);
else if (!aligned && NAND_SUBPAGE_READ(chip) && !oob)
ret = chip->ecc.read_subpage(mtd, chip, col, bytes, bufpoi);
else
- ret = chip->ecc.read_page(mtd, chip, bufpoi);
+ ret = chip->ecc.read_page(mtd, chip, bufpoi,
+ page);
if (ret < 0)
break;
@@ -1666,8 +1670,10 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
struct nand_oobfree *free = chip->ecc.layout->oobfree;
uint32_t boffs = 0, woffs = ops->ooboffs;
size_t bytes = 0;
+ unsigned int i;
- for(; free->length && len; free++, len -= bytes) {
+ for (i = 0; i < chip->ecc.steps && i < MTD_MAX_OOBFREE_ENTRIES
+ && free->length && len; i++, free++, len -= bytes) {
/* Write request not from offset 0 ? */
if (unlikely(woffs)) {
if (woffs >= free->length) {
@@ -2651,16 +2657,6 @@ int nand_scan_tail(struct mtd_info *mtd)
}
/*
- * The number of bytes available for a client to place data into
- * the out of band area
- */
- chip->ecc.layout->oobavail = 0;
- for (i = 0; chip->ecc.layout->oobfree[i].length; i++)
- chip->ecc.layout->oobavail +=
- chip->ecc.layout->oobfree[i].length;
- mtd->oobavail = chip->ecc.layout->oobavail;
-
- /*
* Set the number of read / write steps for one page depending on ECC
* mode
*/
@@ -2672,6 +2668,17 @@ int nand_scan_tail(struct mtd_info *mtd)
chip->ecc.total = chip->ecc.steps * chip->ecc.bytes;
/*
+ * The number of bytes available for a client to place data into
+ * the out of band area
+ */
+ chip->ecc.layout->oobavail = 0;
+ for (i = 0; i < chip->ecc.steps && i < MTD_MAX_OOBFREE_ENTRIES &&
+ chip->ecc.layout->oobfree[i].length; i++)
+ chip->ecc.layout->oobavail +=
+ chip->ecc.layout->oobfree[i].length;
+ mtd->oobavail = chip->ecc.layout->oobavail;
+
+ /*
* Allow subpage writes up to ecc.steps. Not possible for MLC
* FLASH.
*/
@@ -324,7 +324,7 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va
}
static int flctl_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf)
+ uint8_t *buf, int page)
{
int i, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@@ -43,8 +43,8 @@ extern void nand_wait_ready(struct mtd_info *mtd);
* is supported now. If you add a chip with bigger oobsize/page
* adjust this accordingly.
*/
-#define NAND_MAX_OOBSIZE 64
-#define NAND_MAX_PAGESIZE 2048
+#define NAND_MAX_OOBSIZE 128
+#define NAND_MAX_PAGESIZE 4096
/*
* Constants for hardware specific CLE/ALE/NCE function
@@ -278,13 +278,13 @@ struct nand_ecc_ctrl {
uint8_t *calc_ecc);
int (*read_page_raw)(struct mtd_info *mtd,
struct nand_chip *chip,
- uint8_t *buf);
+ uint8_t *buf, int page);
void (*write_page_raw)(struct mtd_info *mtd,
struct nand_chip *chip,
const uint8_t *buf);
int (*read_page)(struct mtd_info *mtd,
struct nand_chip *chip,
- uint8_t *buf);
+ uint8_t *buf, int page);
int (*read_subpage)(struct mtd_info *mtd,
struct nand_chip *chip,
uint32_t offs, uint32_t len,