Tuning is a mandatory step in the initialization of SDR104 and HS200 modes.
This callback execute the tuning process.
Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
---
drivers/mmc/mmc-uclass.c | 14 ++++++++++++++
drivers/mmc/mmc.c | 5 +++++
include/mmc.h | 12 ++++++++++++
3 files changed, 31 insertions(+)
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index e1f7995..b7433cf 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -93,6 +93,20 @@ int mmc_getcd(struct mmc *mmc)
{
return dm_mmc_get_cd(mmc->dev);
}
+
+int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->execute_tuning)
+ return -ENOSYS;
+ return ops->execute_tuning(dev, opcode);
+}
+
+int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+ return dm_mmc_execute_tuning(mmc->dev, opcode);
+}
#endif
struct mmc *mmc_get_mmc_dev(struct udevice *dev)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 415484e..d7d1c91 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -219,6 +219,11 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data)
return ret;
}
+
+int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+ return mmc->cfg->ops->execute_tuning(mmc, opcode);
+}
#endif
int mmc_send_status(struct mmc *mmc, int timeout)
diff --git a/include/mmc.h b/include/mmc.h
index 097a685..dab68c5 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -375,6 +375,15 @@ struct dm_mmc_ops {
* @return 0 if write-enabled, 1 if write-protected, -ve on error
*/
int (*get_wp)(struct udevice *dev);
+
+ /**
+ * execute_tuning() - Start the tuning process
+ *
+ * @dev: Device to start the tuning
+ * @opcode: Command opcode to send
+ * @return 0 if OK, -ve on error
+ */
+ int (*execute_tuning)(struct udevice *dev, uint opcode);
};
#define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops)
@@ -385,12 +394,14 @@ int dm_mmc_set_ios(struct udevice *dev);
int dm_mmc_set_vdd(struct udevice *dev, bool enable);
int dm_mmc_get_cd(struct udevice *dev);
int dm_mmc_get_wp(struct udevice *dev);
+int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
/* Transition functions for compatibility */
int mmc_set_ios(struct mmc *mmc);
int mmc_set_vdd(struct mmc *mmc, bool enable);
int mmc_getcd(struct mmc *mmc);
int mmc_getwp(struct mmc *mmc);
+int mmc_execute_tuning(struct mmc *mmc, uint opcode);
#else
struct mmc_ops {
@@ -401,6 +412,7 @@ struct mmc_ops {
int (*set_vdd)(struct mmc *mmc, bool enable);
int (*getcd)(struct mmc *mmc);
int (*getwp)(struct mmc *mmc);
+ int (*execute_tuning)(struct mmc *mmc, uint opcode);
};
#endif
--
1.9.1
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