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path: root/drivers/mtd/nand/denali.c
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Diffstat (limited to 'drivers/mtd/nand/denali.c')
-rw-r--r--drivers/mtd/nand/denali.c84
1 files changed, 39 insertions, 45 deletions
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 5124f8ae8c04..313c7f50621b 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -330,16 +330,12 @@ static int denali_check_erased_page(struct mtd_info *mtd,
unsigned long uncor_ecc_flags,
unsigned int max_bitflips)
{
- uint8_t *ecc_code = chip->buffers->ecccode;
+ struct denali_nand_info *denali = mtd_to_denali(mtd);
+ uint8_t *ecc_code = chip->oob_poi + denali->oob_skip_bytes;
int ecc_steps = chip->ecc.steps;
int ecc_size = chip->ecc.size;
int ecc_bytes = chip->ecc.bytes;
- int i, ret, stat;
-
- ret = mtd_ooblayout_get_eccbytes(mtd, ecc_code, chip->oob_poi, 0,
- chip->ecc.total);
- if (ret)
- return ret;
+ int i, stat;
for (i = 0; i < ecc_steps; i++) {
if (!(uncor_ecc_flags & BIT(i)))
@@ -645,8 +641,6 @@ static void denali_oob_xfer(struct mtd_info *mtd, struct nand_chip *chip,
int page, int write)
{
struct denali_nand_info *denali = mtd_to_denali(mtd);
- unsigned int start_cmd = write ? NAND_CMD_SEQIN : NAND_CMD_READ0;
- unsigned int rnd_cmd = write ? NAND_CMD_RNDIN : NAND_CMD_RNDOUT;
int writesize = mtd->writesize;
int oobsize = mtd->oobsize;
uint8_t *bufpoi = chip->oob_poi;
@@ -658,11 +652,11 @@ static void denali_oob_xfer(struct mtd_info *mtd, struct nand_chip *chip,
int i, pos, len;
/* BBM at the beginning of the OOB area */
- chip->cmdfunc(mtd, start_cmd, writesize, page);
if (write)
- chip->write_buf(mtd, bufpoi, oob_skip);
+ nand_prog_page_begin_op(chip, page, writesize, bufpoi,
+ oob_skip);
else
- chip->read_buf(mtd, bufpoi, oob_skip);
+ nand_read_page_op(chip, page, writesize, bufpoi, oob_skip);
bufpoi += oob_skip;
/* OOB ECC */
@@ -675,30 +669,35 @@ static void denali_oob_xfer(struct mtd_info *mtd, struct nand_chip *chip,
else if (pos + len > writesize)
len = writesize - pos;
- chip->cmdfunc(mtd, rnd_cmd, pos, -1);
if (write)
- chip->write_buf(mtd, bufpoi, len);
+ nand_change_write_column_op(chip, pos, bufpoi, len,
+ false);
else
- chip->read_buf(mtd, bufpoi, len);
+ nand_change_read_column_op(chip, pos, bufpoi, len,
+ false);
bufpoi += len;
if (len < ecc_bytes) {
len = ecc_bytes - len;
- chip->cmdfunc(mtd, rnd_cmd, writesize + oob_skip, -1);
if (write)
- chip->write_buf(mtd, bufpoi, len);
+ nand_change_write_column_op(chip, writesize +
+ oob_skip, bufpoi,
+ len, false);
else
- chip->read_buf(mtd, bufpoi, len);
+ nand_change_read_column_op(chip, writesize +
+ oob_skip, bufpoi,
+ len, false);
bufpoi += len;
}
}
/* OOB free */
len = oobsize - (bufpoi - chip->oob_poi);
- chip->cmdfunc(mtd, rnd_cmd, size - len, -1);
if (write)
- chip->write_buf(mtd, bufpoi, len);
+ nand_change_write_column_op(chip, size - len, bufpoi, len,
+ false);
else
- chip->read_buf(mtd, bufpoi, len);
+ nand_change_read_column_op(chip, size - len, bufpoi, len,
+ false);
}
static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
@@ -710,12 +709,12 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
int ecc_steps = chip->ecc.steps;
int ecc_size = chip->ecc.size;
int ecc_bytes = chip->ecc.bytes;
- void *dma_buf = denali->buf;
+ void *tmp_buf = denali->buf;
int oob_skip = denali->oob_skip_bytes;
size_t size = writesize + oobsize;
int ret, i, pos, len;
- ret = denali_data_xfer(denali, dma_buf, size, page, 1, 0);
+ ret = denali_data_xfer(denali, tmp_buf, size, page, 1, 0);
if (ret)
return ret;
@@ -730,11 +729,11 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
else if (pos + len > writesize)
len = writesize - pos;
- memcpy(buf, dma_buf + pos, len);
+ memcpy(buf, tmp_buf + pos, len);
buf += len;
if (len < ecc_size) {
len = ecc_size - len;
- memcpy(buf, dma_buf + writesize + oob_skip,
+ memcpy(buf, tmp_buf + writesize + oob_skip,
len);
buf += len;
}
@@ -745,7 +744,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
uint8_t *oob = chip->oob_poi;
/* BBM at the beginning of the OOB area */
- memcpy(oob, dma_buf + writesize, oob_skip);
+ memcpy(oob, tmp_buf + writesize, oob_skip);
oob += oob_skip;
/* OOB ECC */
@@ -758,11 +757,11 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
else if (pos + len > writesize)
len = writesize - pos;
- memcpy(oob, dma_buf + pos, len);
+ memcpy(oob, tmp_buf + pos, len);
oob += len;
if (len < ecc_bytes) {
len = ecc_bytes - len;
- memcpy(oob, dma_buf + writesize + oob_skip,
+ memcpy(oob, tmp_buf + writesize + oob_skip,
len);
oob += len;
}
@@ -770,7 +769,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
/* OOB free */
len = oobsize - (oob - chip->oob_poi);
- memcpy(oob, dma_buf + size - len, len);
+ memcpy(oob, tmp_buf + size - len, len);
}
return 0;
@@ -788,16 +787,12 @@ static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page)
{
struct denali_nand_info *denali = mtd_to_denali(mtd);
- int status;
denali_reset_irq(denali);
denali_oob_xfer(mtd, chip, page, 1);
- chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
- status = chip->waitfunc(mtd, chip);
-
- return status & NAND_STATUS_FAIL ? -EIO : 0;
+ return nand_prog_page_end_op(chip);
}
static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
@@ -841,7 +836,7 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
int ecc_steps = chip->ecc.steps;
int ecc_size = chip->ecc.size;
int ecc_bytes = chip->ecc.bytes;
- void *dma_buf = denali->buf;
+ void *tmp_buf = denali->buf;
int oob_skip = denali->oob_skip_bytes;
size_t size = writesize + oobsize;
int i, pos, len;
@@ -851,7 +846,7 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
* This simplifies the logic.
*/
if (!buf || !oob_required)
- memset(dma_buf, 0xff, size);
+ memset(tmp_buf, 0xff, size);
/* Arrange the buffer for syndrome payload/ecc layout */
if (buf) {
@@ -864,11 +859,11 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
else if (pos + len > writesize)
len = writesize - pos;
- memcpy(dma_buf + pos, buf, len);
+ memcpy(tmp_buf + pos, buf, len);
buf += len;
if (len < ecc_size) {
len = ecc_size - len;
- memcpy(dma_buf + writesize + oob_skip, buf,
+ memcpy(tmp_buf + writesize + oob_skip, buf,
len);
buf += len;
}
@@ -879,7 +874,7 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *oob = chip->oob_poi;
/* BBM at the beginning of the OOB area */
- memcpy(dma_buf + writesize, oob, oob_skip);
+ memcpy(tmp_buf + writesize, oob, oob_skip);
oob += oob_skip;
/* OOB ECC */
@@ -892,11 +887,11 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
else if (pos + len > writesize)
len = writesize - pos;
- memcpy(dma_buf + pos, oob, len);
+ memcpy(tmp_buf + pos, oob, len);
oob += len;
if (len < ecc_bytes) {
len = ecc_bytes - len;
- memcpy(dma_buf + writesize + oob_skip, oob,
+ memcpy(tmp_buf + writesize + oob_skip, oob,
len);
oob += len;
}
@@ -904,10 +899,10 @@ static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
/* OOB free */
len = oobsize - (oob - chip->oob_poi);
- memcpy(dma_buf + size - len, oob, len);
+ memcpy(tmp_buf + size - len, oob, len);
}
- return denali_data_xfer(denali, dma_buf, size, page, 1, 1);
+ return denali_data_xfer(denali, tmp_buf, size, page, 1, 1);
}
static int denali_write_page(struct mtd_info *mtd, struct nand_chip *chip,
@@ -951,7 +946,7 @@ static int denali_erase(struct mtd_info *mtd, int page)
irq_status = denali_wait_for_irq(denali,
INTR__ERASE_COMP | INTR__ERASE_FAIL);
- return irq_status & INTR__ERASE_COMP ? 0 : NAND_STATUS_FAIL;
+ return irq_status & INTR__ERASE_COMP ? 0 : -EIO;
}
static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
@@ -1359,7 +1354,6 @@ int denali_init(struct denali_nand_info *denali)
chip->read_buf = denali_read_buf;
chip->write_buf = denali_write_buf;
}
- chip->ecc.options |= NAND_ECC_CUSTOM_PAGE_ACCESS;
chip->ecc.read_page = denali_read_page;
chip->ecc.read_page_raw = denali_read_page_raw;
chip->ecc.write_page = denali_write_page;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 12:09:15 +0100