[PATCH 2/4] nvmem: ocotp: extend support to query the sticky bit
Fabian Pflug
f.pflug at pengutronix.de
Thu Dec 18 09:36:29 PST 2025
The i.MX* devices do have an sticky bit which indicates if the
field-return fuse can be written. Before only support for i.MX8* was
provided. Extend this for the i.MX6* series.
Signed-off-by: Fabian Pflug <f.pflug at pengutronix.de>
---
drivers/nvmem/ocotp.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/nvmem/ocotp.c b/drivers/nvmem/ocotp.c
index 7bca275404..1f74fddb60 100644
--- a/drivers/nvmem/ocotp.c
+++ b/drivers/nvmem/ocotp.c
@@ -294,7 +294,7 @@ static void imx8m_lock_srk_revoke(struct ocotp_priv *priv)
writel(val, priv->base + OCOTP_SW_STICKY);
}
-static bool imx8m_field_return_locked(struct ocotp_priv *priv)
+static bool imx_field_return_locked(struct ocotp_priv *priv)
{
return readl(priv->base + OCOTP_SW_STICKY) & OCOTP_SW_STICKY_FIELD_RETURN_LOCK;
}
@@ -990,6 +990,7 @@ static struct imx_ocotp_data imx6q_ocotp_data = {
.fuse_blow = imx6_fuse_blow_addr,
.fuse_read = imx6_fuse_read_addr,
.ctrl = &ocotp_ctrl_reg_default,
+ .field_return_locked = imx_field_return_locked,
};
static struct imx_ocotp_data imx6sl_ocotp_data = {
@@ -1002,6 +1003,7 @@ static struct imx_ocotp_data imx6sl_ocotp_data = {
.fuse_blow = imx6_fuse_blow_addr,
.fuse_read = imx6_fuse_read_addr,
.ctrl = &ocotp_ctrl_reg_default,
+ .field_return_locked = imx_field_return_locked,
};
static struct imx_ocotp_data imx6ul_ocotp_data = {
@@ -1014,6 +1016,7 @@ static struct imx_ocotp_data imx6ul_ocotp_data = {
.fuse_blow = imx6_fuse_blow_addr,
.fuse_read = imx6_fuse_read_addr,
.ctrl = &ocotp_ctrl_reg_default,
+ .field_return_locked = imx_field_return_locked,
};
static struct imx_ocotp_data imx6ull_ocotp_data = {
@@ -1026,6 +1029,7 @@ static struct imx_ocotp_data imx6ull_ocotp_data = {
.fuse_blow = imx6_fuse_blow_addr,
.fuse_read = imx6_fuse_read_addr,
.ctrl = &ocotp_ctrl_reg_default,
+ .field_return_locked = imx_field_return_locked,
};
static struct imx_ocotp_data vf610_ocotp_data = {
@@ -1063,7 +1067,7 @@ static struct imx_ocotp_data imx8mp_ocotp_data = {
.fuse_read = imx6_fuse_read_addr,
.srk_revoke_locked = imx8m_srk_revoke_locked,
.lock_srk_revoke = imx8m_lock_srk_revoke,
- .field_return_locked = imx8m_field_return_locked,
+ .field_return_locked = imx_field_return_locked,
.ctrl = &ocotp_ctrl_reg_8mp,
};
@@ -1095,7 +1099,7 @@ static struct imx_ocotp_data imx8mm_ocotp_data = {
.fuse_read = imx6_fuse_read_addr,
.srk_revoke_locked = imx8m_srk_revoke_locked,
.lock_srk_revoke = imx8m_lock_srk_revoke,
- .field_return_locked = imx8m_field_return_locked,
+ .field_return_locked = imx_field_return_locked,
.feat = &imx8mm_featctrl_data,
.ctrl = &ocotp_ctrl_reg_default,
};
@@ -1116,7 +1120,7 @@ static struct imx_ocotp_data imx8mn_ocotp_data = {
.fuse_read = imx6_fuse_read_addr,
.srk_revoke_locked = imx8m_srk_revoke_locked,
.lock_srk_revoke = imx8m_lock_srk_revoke,
- .field_return_locked = imx8m_field_return_locked,
+ .field_return_locked = imx_field_return_locked,
.feat = &imx8mn_featctrl_data,
.ctrl = &ocotp_ctrl_reg_default,
};
--
2.47.3
More information about the barebox
mailing list