[PATCH v1] mtd: rawnand: macronix: OTP access for MX30LFxG18AC

Support for OTP area access on MX30LFxG18AC chip series.
Signed-off-by: Arseniy Krasnov avkrasnov@salutedevices.com --- drivers/mtd/nand/raw/nand_macronix.c | 170 +++++++++++++++++++++++++++ 1 file changed, 170 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index dc972e5909..4c6ddd9233 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -16,13 +16,183 @@ * GNU General Public License for more details. */
+#include <dm/device_compat.h> #include <linux/mtd/rawnand.h>
+#define ONFI_FEATURE_ADDR_30LFXG18AC_OTP 0x90 +#define MACRONIX_30LFXG18AC_OTP_START_PAGE 2 +#define MACRONIX_30LFXG18AC_OTP_PAGES 30 +#define MACRONIX_30LFXG18AC_OTP_PAGE_SIZE 2112 +#define MACRONIX_30LFXG18AC_OTP_SIZE_BYTES \ + (MACRONIX_30LFXG18AC_OTP_PAGES * \ + MACRONIX_30LFXG18AC_OTP_PAGE_SIZE) + +#define MACRONIX_30LFXG18AC_OTP_EN BIT(0) + +static int macronix_30lfxg18ac_get_otp_info(struct mtd_info *mtd, size_t len, + size_t *retlen, + struct otp_info *buf) +{ + if (len < sizeof(*buf)) + return -EINVAL; + + /* Always report that OTP is unlocked. Reason is that this + * type of flash chip doesn't provide way to check that OTP + * is locked or not: subfeature parameter is implemented as + * volatile register. Technically OTP region could be locked + * and become readonly, but as there is no way to check it, + * don't allow to lock it ('_lock_user_prot_reg' callback + * always returns -EOPNOTSUPP) and thus we report that OTP + * is unlocked. + */ + buf->locked = 0; + buf->start = 0; + buf->length = MACRONIX_30LFXG18AC_OTP_SIZE_BYTES; + + *retlen = sizeof(*buf); + + return 0; +} + +static int macronix_30lfxg18ac_otp_enable(struct nand_chip *nand) +{ + u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 }; + struct mtd_info *mtd; + + mtd = nand_to_mtd(nand); + feature_buf[0] = MACRONIX_30LFXG18AC_OTP_EN; + + return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf); +} + +static int macronix_30lfxg18ac_otp_disable(struct nand_chip *nand) +{ + u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 }; + struct mtd_info *mtd; + + mtd = nand_to_mtd(nand); + return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf); +} + +static int __macronix_30lfxg18ac_rw_otp(struct mtd_info *mtd, + loff_t offs_in_flash, + size_t len, size_t *retlen, + u_char *buf, bool write) +{ + struct nand_chip *nand; + size_t bytes_handled; + off_t offs_in_page; + u64 page; + int ret; + + nand = mtd_to_nand(mtd); + nand->select_chip(mtd, 0); + + ret = macronix_30lfxg18ac_otp_enable(nand); + if (ret) + goto out_otp; + + page = offs_in_flash; + /* 'page' will be result of division. */ + offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE); + bytes_handled = 0; + + while (bytes_handled < len && + page < MACRONIX_30LFXG18AC_OTP_PAGES) { + size_t bytes_to_handle; + u64 phys_page = page + MACRONIX_30LFXG18AC_OTP_START_PAGE; + + bytes_to_handle = min_t(size_t, len - bytes_handled, + MACRONIX_30LFXG18AC_OTP_PAGE_SIZE - + offs_in_page); + + if (write) + ret = nand_prog_page_op(nand, phys_page, offs_in_page, + &buf[bytes_handled], bytes_to_handle); + else + ret = nand_read_page_op(nand, phys_page, offs_in_page, + &buf[bytes_handled], bytes_to_handle); + if (ret) + goto out_otp; + + bytes_handled += bytes_to_handle; + offs_in_page = 0; + page++; + } + + *retlen = bytes_handled; + +out_otp: + if (ret) + dev_err(mtd->dev, "failed to perform OTP IO: %i\n", ret); + + ret = macronix_30lfxg18ac_otp_disable(nand); + if (ret) + dev_err(mtd->dev, "failed to leave OTP mode after %s\n", + write ? "write" : "read"); + + nand->select_chip(mtd, -1); + + return ret; +} + +static int macronix_30lfxg18ac_write_otp(struct mtd_info *mtd, loff_t to, + size_t len, size_t *rlen, + u_char *buf) +{ + return __macronix_30lfxg18ac_rw_otp(mtd, to, len, rlen, (u_char *)buf, + true); +} + +static int macronix_30lfxg18ac_read_otp(struct mtd_info *mtd, loff_t from, + size_t len, size_t *rlen, + u_char *buf) +{ + return __macronix_30lfxg18ac_rw_otp(mtd, from, len, rlen, buf, false); +} + +static int macronix_30lfxg18ac_lock_otp(struct mtd_info *mtd, loff_t from, + size_t len) +{ + /* See comment in 'macronix_30lfxg18ac_get_otp_info()'. */ + return -EOPNOTSUPP; +} + +static void macronix_nand_setup_otp(struct nand_chip *chip) +{ + static const char * const supported_otp_models[] = { + "MX30LF1G18AC", + "MX30LF2G18AC", + "MX30LF4G18AC", + }; + int i; + + if (!chip->onfi_version || + !(le16_to_cpu(chip->onfi_params.opt_cmd) + & ONFI_OPT_CMD_SET_GET_FEATURES)) + return; + + for (i = 0; i < ARRAY_SIZE(supported_otp_models); i++) { + if (!strcmp(chip->onfi_params.model, supported_otp_models[i])) { + struct mtd_info *mtd; + + mtd = nand_to_mtd(chip); + mtd->_get_user_prot_info = macronix_30lfxg18ac_get_otp_info; + mtd->_read_user_prot_reg = macronix_30lfxg18ac_read_otp; + mtd->_write_user_prot_reg = macronix_30lfxg18ac_write_otp; + mtd->_lock_user_prot_reg = macronix_30lfxg18ac_lock_otp; + return; + } + } +} + static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
+ macronix_nand_setup_otp(chip); + return 0; }

cc: Miquel Raynal
On 30.11.2023 14:24, Arseniy Krasnov wrote:
Support for OTP area access on MX30LFxG18AC chip series.
Signed-off-by: Arseniy Krasnov avkrasnov@salutedevices.com
drivers/mtd/nand/raw/nand_macronix.c | 170 +++++++++++++++++++++++++++ 1 file changed, 170 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index dc972e5909..4c6ddd9233 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -16,13 +16,183 @@
- GNU General Public License for more details.
*/
+#include <dm/device_compat.h> #include <linux/mtd/rawnand.h>
+#define ONFI_FEATURE_ADDR_30LFXG18AC_OTP 0x90 +#define MACRONIX_30LFXG18AC_OTP_START_PAGE 2 +#define MACRONIX_30LFXG18AC_OTP_PAGES 30 +#define MACRONIX_30LFXG18AC_OTP_PAGE_SIZE 2112 +#define MACRONIX_30LFXG18AC_OTP_SIZE_BYTES \
- (MACRONIX_30LFXG18AC_OTP_PAGES * \
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE)
+#define MACRONIX_30LFXG18AC_OTP_EN BIT(0)
+static int macronix_30lfxg18ac_get_otp_info(struct mtd_info *mtd, size_t len,
size_t *retlen,
struct otp_info *buf)
+{
- if (len < sizeof(*buf))
return -EINVAL;
- /* Always report that OTP is unlocked. Reason is that this
* type of flash chip doesn't provide way to check that OTP
* is locked or not: subfeature parameter is implemented as
* volatile register. Technically OTP region could be locked
* and become readonly, but as there is no way to check it,
* don't allow to lock it ('_lock_user_prot_reg' callback
* always returns -EOPNOTSUPP) and thus we report that OTP
* is unlocked.
*/
- buf->locked = 0;
- buf->start = 0;
- buf->length = MACRONIX_30LFXG18AC_OTP_SIZE_BYTES;
- *retlen = sizeof(*buf);
- return 0;
+}
+static int macronix_30lfxg18ac_otp_enable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- feature_buf[0] = MACRONIX_30LFXG18AC_OTP_EN;
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int macronix_30lfxg18ac_otp_disable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int __macronix_30lfxg18ac_rw_otp(struct mtd_info *mtd,
loff_t offs_in_flash,
size_t len, size_t *retlen,
u_char *buf, bool write)
+{
- struct nand_chip *nand;
- size_t bytes_handled;
- off_t offs_in_page;
- u64 page;
- int ret;
- nand = mtd_to_nand(mtd);
- nand->select_chip(mtd, 0);
- ret = macronix_30lfxg18ac_otp_enable(nand);
- if (ret)
goto out_otp;
- page = offs_in_flash;
- /* 'page' will be result of division. */
- offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE);
- bytes_handled = 0;
- while (bytes_handled < len &&
page < MACRONIX_30LFXG18AC_OTP_PAGES) {
size_t bytes_to_handle;
u64 phys_page = page + MACRONIX_30LFXG18AC_OTP_START_PAGE;
bytes_to_handle = min_t(size_t, len - bytes_handled,
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE -
offs_in_page);
if (write)
ret = nand_prog_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
else
ret = nand_read_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
if (ret)
goto out_otp;
bytes_handled += bytes_to_handle;
offs_in_page = 0;
page++;
- }
- *retlen = bytes_handled;
+out_otp:
- if (ret)
dev_err(mtd->dev, "failed to perform OTP IO: %i\n", ret);
- ret = macronix_30lfxg18ac_otp_disable(nand);
- if (ret)
dev_err(mtd->dev, "failed to leave OTP mode after %s\n",
write ? "write" : "read");
- nand->select_chip(mtd, -1);
- return ret;
+}
+static int macronix_30lfxg18ac_write_otp(struct mtd_info *mtd, loff_t to,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, to, len, rlen, (u_char *)buf,
true);
+}
+static int macronix_30lfxg18ac_read_otp(struct mtd_info *mtd, loff_t from,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, from, len, rlen, buf, false);
+}
+static int macronix_30lfxg18ac_lock_otp(struct mtd_info *mtd, loff_t from,
size_t len)
+{
- /* See comment in 'macronix_30lfxg18ac_get_otp_info()'. */
- return -EOPNOTSUPP;
+}
+static void macronix_nand_setup_otp(struct nand_chip *chip) +{
- static const char * const supported_otp_models[] = {
"MX30LF1G18AC",
"MX30LF2G18AC",
"MX30LF4G18AC",
- };
- int i;
- if (!chip->onfi_version ||
!(le16_to_cpu(chip->onfi_params.opt_cmd)
& ONFI_OPT_CMD_SET_GET_FEATURES))
return;
- for (i = 0; i < ARRAY_SIZE(supported_otp_models); i++) {
if (!strcmp(chip->onfi_params.model, supported_otp_models[i])) {
struct mtd_info *mtd;
mtd = nand_to_mtd(chip);
mtd->_get_user_prot_info = macronix_30lfxg18ac_get_otp_info;
mtd->_read_user_prot_reg = macronix_30lfxg18ac_read_otp;
mtd->_write_user_prot_reg = macronix_30lfxg18ac_write_otp;
mtd->_lock_user_prot_reg = macronix_30lfxg18ac_lock_otp;
return;
}
- }
+}
static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
- macronix_nand_setup_otp(chip);
- return 0;
}

cc: Jaime Liao
On 04.12.2023 22:23, Arseniy Krasnov wrote:
cc: Miquel Raynal
On 30.11.2023 14:24, Arseniy Krasnov wrote:
Support for OTP area access on MX30LFxG18AC chip series.
Signed-off-by: Arseniy Krasnov avkrasnov@salutedevices.com
drivers/mtd/nand/raw/nand_macronix.c | 170 +++++++++++++++++++++++++++ 1 file changed, 170 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index dc972e5909..4c6ddd9233 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -16,13 +16,183 @@
- GNU General Public License for more details.
*/
+#include <dm/device_compat.h> #include <linux/mtd/rawnand.h>
+#define ONFI_FEATURE_ADDR_30LFXG18AC_OTP 0x90 +#define MACRONIX_30LFXG18AC_OTP_START_PAGE 2 +#define MACRONIX_30LFXG18AC_OTP_PAGES 30 +#define MACRONIX_30LFXG18AC_OTP_PAGE_SIZE 2112 +#define MACRONIX_30LFXG18AC_OTP_SIZE_BYTES \
- (MACRONIX_30LFXG18AC_OTP_PAGES * \
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE)
+#define MACRONIX_30LFXG18AC_OTP_EN BIT(0)
+static int macronix_30lfxg18ac_get_otp_info(struct mtd_info *mtd, size_t len,
size_t *retlen,
struct otp_info *buf)
+{
- if (len < sizeof(*buf))
return -EINVAL;
- /* Always report that OTP is unlocked. Reason is that this
* type of flash chip doesn't provide way to check that OTP
* is locked or not: subfeature parameter is implemented as
* volatile register. Technically OTP region could be locked
* and become readonly, but as there is no way to check it,
* don't allow to lock it ('_lock_user_prot_reg' callback
* always returns -EOPNOTSUPP) and thus we report that OTP
* is unlocked.
*/
- buf->locked = 0;
- buf->start = 0;
- buf->length = MACRONIX_30LFXG18AC_OTP_SIZE_BYTES;
- *retlen = sizeof(*buf);
- return 0;
+}
+static int macronix_30lfxg18ac_otp_enable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- feature_buf[0] = MACRONIX_30LFXG18AC_OTP_EN;
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int macronix_30lfxg18ac_otp_disable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int __macronix_30lfxg18ac_rw_otp(struct mtd_info *mtd,
loff_t offs_in_flash,
size_t len, size_t *retlen,
u_char *buf, bool write)
+{
- struct nand_chip *nand;
- size_t bytes_handled;
- off_t offs_in_page;
- u64 page;
- int ret;
- nand = mtd_to_nand(mtd);
- nand->select_chip(mtd, 0);
- ret = macronix_30lfxg18ac_otp_enable(nand);
- if (ret)
goto out_otp;
- page = offs_in_flash;
- /* 'page' will be result of division. */
- offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE);
- bytes_handled = 0;
- while (bytes_handled < len &&
page < MACRONIX_30LFXG18AC_OTP_PAGES) {
size_t bytes_to_handle;
u64 phys_page = page + MACRONIX_30LFXG18AC_OTP_START_PAGE;
bytes_to_handle = min_t(size_t, len - bytes_handled,
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE -
offs_in_page);
if (write)
ret = nand_prog_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
else
ret = nand_read_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
if (ret)
goto out_otp;
bytes_handled += bytes_to_handle;
offs_in_page = 0;
page++;
- }
- *retlen = bytes_handled;
+out_otp:
- if (ret)
dev_err(mtd->dev, "failed to perform OTP IO: %i\n", ret);
- ret = macronix_30lfxg18ac_otp_disable(nand);
- if (ret)
dev_err(mtd->dev, "failed to leave OTP mode after %s\n",
write ? "write" : "read");
- nand->select_chip(mtd, -1);
- return ret;
+}
+static int macronix_30lfxg18ac_write_otp(struct mtd_info *mtd, loff_t to,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, to, len, rlen, (u_char *)buf,
true);
+}
+static int macronix_30lfxg18ac_read_otp(struct mtd_info *mtd, loff_t from,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, from, len, rlen, buf, false);
+}
+static int macronix_30lfxg18ac_lock_otp(struct mtd_info *mtd, loff_t from,
size_t len)
+{
- /* See comment in 'macronix_30lfxg18ac_get_otp_info()'. */
- return -EOPNOTSUPP;
+}
+static void macronix_nand_setup_otp(struct nand_chip *chip) +{
- static const char * const supported_otp_models[] = {
"MX30LF1G18AC",
"MX30LF2G18AC",
"MX30LF4G18AC",
- };
- int i;
- if (!chip->onfi_version ||
!(le16_to_cpu(chip->onfi_params.opt_cmd)
& ONFI_OPT_CMD_SET_GET_FEATURES))
return;
- for (i = 0; i < ARRAY_SIZE(supported_otp_models); i++) {
if (!strcmp(chip->onfi_params.model, supported_otp_models[i])) {
struct mtd_info *mtd;
mtd = nand_to_mtd(chip);
mtd->_get_user_prot_info = macronix_30lfxg18ac_get_otp_info;
mtd->_read_user_prot_reg = macronix_30lfxg18ac_read_otp;
mtd->_write_user_prot_reg = macronix_30lfxg18ac_write_otp;
mtd->_lock_user_prot_reg = macronix_30lfxg18ac_lock_otp;
return;
}
- }
+}
static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
- macronix_nand_setup_otp(chip);
- return 0;
}

Sorry, pls ping
Thanks, Arseniy
On 18.12.2023 14:54, Arseniy Krasnov wrote:
cc: Jaime Liao
On 04.12.2023 22:23, Arseniy Krasnov wrote:
cc: Miquel Raynal
On 30.11.2023 14:24, Arseniy Krasnov wrote:
Support for OTP area access on MX30LFxG18AC chip series.
Signed-off-by: Arseniy Krasnov avkrasnov@salutedevices.com
drivers/mtd/nand/raw/nand_macronix.c | 170 +++++++++++++++++++++++++++ 1 file changed, 170 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index dc972e5909..4c6ddd9233 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -16,13 +16,183 @@
- GNU General Public License for more details.
*/
+#include <dm/device_compat.h> #include <linux/mtd/rawnand.h>
+#define ONFI_FEATURE_ADDR_30LFXG18AC_OTP 0x90 +#define MACRONIX_30LFXG18AC_OTP_START_PAGE 2 +#define MACRONIX_30LFXG18AC_OTP_PAGES 30 +#define MACRONIX_30LFXG18AC_OTP_PAGE_SIZE 2112 +#define MACRONIX_30LFXG18AC_OTP_SIZE_BYTES \
- (MACRONIX_30LFXG18AC_OTP_PAGES * \
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE)
+#define MACRONIX_30LFXG18AC_OTP_EN BIT(0)
+static int macronix_30lfxg18ac_get_otp_info(struct mtd_info *mtd, size_t len,
size_t *retlen,
struct otp_info *buf)
+{
- if (len < sizeof(*buf))
return -EINVAL;
- /* Always report that OTP is unlocked. Reason is that this
* type of flash chip doesn't provide way to check that OTP
* is locked or not: subfeature parameter is implemented as
* volatile register. Technically OTP region could be locked
* and become readonly, but as there is no way to check it,
* don't allow to lock it ('_lock_user_prot_reg' callback
* always returns -EOPNOTSUPP) and thus we report that OTP
* is unlocked.
*/
- buf->locked = 0;
- buf->start = 0;
- buf->length = MACRONIX_30LFXG18AC_OTP_SIZE_BYTES;
- *retlen = sizeof(*buf);
- return 0;
+}
+static int macronix_30lfxg18ac_otp_enable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- feature_buf[0] = MACRONIX_30LFXG18AC_OTP_EN;
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int macronix_30lfxg18ac_otp_disable(struct nand_chip *nand) +{
- u8 feature_buf[ONFI_SUBFEATURE_PARAM_LEN] = { 0 };
- struct mtd_info *mtd;
- mtd = nand_to_mtd(nand);
- return nand->onfi_set_features(mtd, nand, ONFI_FEATURE_ADDR_30LFXG18AC_OTP, feature_buf);
+}
+static int __macronix_30lfxg18ac_rw_otp(struct mtd_info *mtd,
loff_t offs_in_flash,
size_t len, size_t *retlen,
u_char *buf, bool write)
+{
- struct nand_chip *nand;
- size_t bytes_handled;
- off_t offs_in_page;
- u64 page;
- int ret;
- nand = mtd_to_nand(mtd);
- nand->select_chip(mtd, 0);
- ret = macronix_30lfxg18ac_otp_enable(nand);
- if (ret)
goto out_otp;
- page = offs_in_flash;
- /* 'page' will be result of division. */
- offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE);
- bytes_handled = 0;
- while (bytes_handled < len &&
page < MACRONIX_30LFXG18AC_OTP_PAGES) {
size_t bytes_to_handle;
u64 phys_page = page + MACRONIX_30LFXG18AC_OTP_START_PAGE;
bytes_to_handle = min_t(size_t, len - bytes_handled,
MACRONIX_30LFXG18AC_OTP_PAGE_SIZE -
offs_in_page);
if (write)
ret = nand_prog_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
else
ret = nand_read_page_op(nand, phys_page, offs_in_page,
&buf[bytes_handled], bytes_to_handle);
if (ret)
goto out_otp;
bytes_handled += bytes_to_handle;
offs_in_page = 0;
page++;
- }
- *retlen = bytes_handled;
+out_otp:
- if (ret)
dev_err(mtd->dev, "failed to perform OTP IO: %i\n", ret);
- ret = macronix_30lfxg18ac_otp_disable(nand);
- if (ret)
dev_err(mtd->dev, "failed to leave OTP mode after %s\n",
write ? "write" : "read");
- nand->select_chip(mtd, -1);
- return ret;
+}
+static int macronix_30lfxg18ac_write_otp(struct mtd_info *mtd, loff_t to,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, to, len, rlen, (u_char *)buf,
true);
+}
+static int macronix_30lfxg18ac_read_otp(struct mtd_info *mtd, loff_t from,
size_t len, size_t *rlen,
u_char *buf)
+{
- return __macronix_30lfxg18ac_rw_otp(mtd, from, len, rlen, buf, false);
+}
+static int macronix_30lfxg18ac_lock_otp(struct mtd_info *mtd, loff_t from,
size_t len)
+{
- /* See comment in 'macronix_30lfxg18ac_get_otp_info()'. */
- return -EOPNOTSUPP;
+}
+static void macronix_nand_setup_otp(struct nand_chip *chip) +{
- static const char * const supported_otp_models[] = {
"MX30LF1G18AC",
"MX30LF2G18AC",
"MX30LF4G18AC",
- };
- int i;
- if (!chip->onfi_version ||
!(le16_to_cpu(chip->onfi_params.opt_cmd)
& ONFI_OPT_CMD_SET_GET_FEATURES))
return;
- for (i = 0; i < ARRAY_SIZE(supported_otp_models); i++) {
if (!strcmp(chip->onfi_params.model, supported_otp_models[i])) {
struct mtd_info *mtd;
mtd = nand_to_mtd(chip);
mtd->_get_user_prot_info = macronix_30lfxg18ac_get_otp_info;
mtd->_read_user_prot_reg = macronix_30lfxg18ac_read_otp;
mtd->_write_user_prot_reg = macronix_30lfxg18ac_write_otp;
mtd->_lock_user_prot_reg = macronix_30lfxg18ac_lock_otp;
return;
}
- }
+}
static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
- macronix_nand_setup_otp(chip);
- return 0;
}

Hi Dario
Can apply this series and put in CI?
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
On 08.01.2024 21:33, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy

Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
On 08.01.2024 21:33, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy

Hi
Dario did you add those patches in CI and test them again?
Michael
On Wed, Apr 17, 2024 at 8:44 PM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
On 08.01.2024 21:33, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy

Arseniy, Michael, All
On Wed, Apr 17, 2024 at 8:44 PM Michael Nazzareno Trimarchi michael@amarulasolutions.com wrote:
Hi
Dario did you add those patches in CI and test them again?
Michael
On Wed, Apr 17, 2024 at 8:44 PM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Sorry, but I mistakenly tagged it as 'superseded'. I just pushed it to my nand-next branch and I'm running the CI now.
Thanks and regards, Dario
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
On 08.01.2024 21:33, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
-- Michael Nazzareno Trimarchi Co-Founder & Chief Executive Officer M. +39 347 913 2170 michael@amarulasolutions.com __________________________________
Amarula Solutions BV Joop Geesinkweg 125, 1114 AB, Amsterdam, NL T. +31 (0)85 111 9172 info@amarulasolutions.com www.amarulasolutions.com

Hi Dario!
Sorry, is this patch ok?
Thanks
On 18.04.2024 09:55, Dario Binacchi wrote:
Arseniy, Michael, All
On Wed, Apr 17, 2024 at 8:44 PM Michael Nazzareno Trimarchi michael@amarulasolutions.com wrote:
Hi
Dario did you add those patches in CI and test them again?
Michael
On Wed, Apr 17, 2024 at 8:44 PM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Sorry, but I mistakenly tagged it as 'superseded'. I just pushed it to my nand-next branch and I'm running the CI now.
Thanks and regards, Dario
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote:
Sorry, pls ping
Thanks, Arseniy
On 08.01.2024 21:33, Arseniy Krasnov wrote: > Sorry, pls ping > > Thanks, Arseniy
-- Michael Nazzareno Trimarchi Co-Founder & Chief Executive Officer M. +39 347 913 2170 michael@amarulasolutions.com __________________________________
Amarula Solutions BV Joop Geesinkweg 125, 1114 AB, Amsterdam, NL T. +31 (0)85 111 9172 info@amarulasolutions.com www.amarulasolutions.com

Hi Arseniy,
On Fri, May 24, 2024 at 11:25 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hi Dario!
Sorry, is this patch ok?
Sorry, I told you I was testing it but I forgot to tell you that testing was successfully completed for this patch.
Thanks and regards, Dario
Thanks
On 18.04.2024 09:55, Dario Binacchi wrote:
Arseniy, Michael, All
On Wed, Apr 17, 2024 at 8:44 PM Michael Nazzareno Trimarchi michael@amarulasolutions.com wrote:
Hi
Dario did you add those patches in CI and test them again?
Michael
On Wed, Apr 17, 2024 at 8:44 PM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Sorry, but I mistakenly tagged it as 'superseded'. I just pushed it to my nand-next branch and I'm running the CI now.
Thanks and regards, Dario
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Sorry, please ping
Thanks, Arseniy
On 11.02.2024 02:16, Arseniy Krasnov wrote: > Sorry, pls ping > > Thanks, Arseniy > > On 08.01.2024 21:33, Arseniy Krasnov wrote: >> Sorry, pls ping >> >> Thanks, Arseniy
-- Michael Nazzareno Trimarchi Co-Founder & Chief Executive Officer M. +39 347 913 2170 michael@amarulasolutions.com __________________________________
Amarula Solutions BV Joop Geesinkweg 125, 1114 AB, Amsterdam, NL T. +31 (0)85 111 9172 info@amarulasolutions.com www.amarulasolutions.com

On 24.05.2024 16:31, Dario Binacchi wrote:
Hi Arseniy,
On Fri, May 24, 2024 at 11:25 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hi Dario!
Sorry, is this patch ok?
Sorry, I told you I was testing it but I forgot to tell you that testing was successfully completed for this patch.
Ah, no problem, it will be merged to next release ?
Thanks
Thanks and regards, Dario
Thanks
On 18.04.2024 09:55, Dario Binacchi wrote:
Arseniy, Michael, All
On Wed, Apr 17, 2024 at 8:44 PM Michael Nazzareno Trimarchi michael@amarulasolutions.com wrote:
Hi
Dario did you add those patches in CI and test them again?
Michael
On Wed, Apr 17, 2024 at 8:44 PM Arseniy Krasnov avkrasnov@salutedevices.com wrote:
Hello,
Sorry, pls ping
Thanks, Arseniy
On 13.03.2024 09:46, Michael Nazzareno Trimarchi wrote:
Hi Dario
Can apply this series and put in CI?
Sorry, but I mistakenly tagged it as 'superseded'. I just pushed it to my nand-next branch and I'm running the CI now.
Thanks and regards, Dario
Michael
On Wed, Mar 13, 2024 at 7:43 AM Arseniy Krasnov avkrasnov@salutedevices.com wrote: > > Sorry, please ping > > Thanks, Arseniy > > On 11.02.2024 02:16, Arseniy Krasnov wrote: >> Sorry, pls ping >> >> Thanks, Arseniy >> >> On 08.01.2024 21:33, Arseniy Krasnov wrote: >>> Sorry, pls ping >>> >>> Thanks, Arseniy
-- Michael Nazzareno Trimarchi Co-Founder & Chief Executive Officer M. +39 347 913 2170 michael@amarulasolutions.com __________________________________
Amarula Solutions BV Joop Geesinkweg 125, 1114 AB, Amsterdam, NL T. +31 (0)85 111 9172 info@amarulasolutions.com www.amarulasolutions.com
participants (3)
-
Arseniy Krasnov
-
Dario Binacchi
-
Michael Nazzareno Trimarchi