Card detect function implemented for SDHCI framework.
Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elo...@xilinx.com>
---
drivers/mmc/sdhci.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index e2bb90a..cb4db8d 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -390,6 +390,21 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
return -ECOMM;
}
+#if IS_ENABLED(CONFIG_DM_MMC)
+static int sdhci_get_cd(struct udevice *dev)
+{
+ struct mmc *mmc = mmc_get_mmc_dev(dev);
+#else
+static int sdhci_get_cd(struct mmc *mmc)
+{
+#endif
+ u32 state;
+ struct sdhci_host *host = mmc->priv;
+
+ state = sdhci_readl(host, SDHCI_PRESENT_STATE);
+ return (state & SDHCI_CARD_PRESENT);
+}
+
#if defined(CONFIG_DM_MMC) && defined(MMC_SUPPORTS_TUNING)
static int sdhci_execute_tuning(struct udevice *dev, uint opcode)
{
@@ -627,6 +642,7 @@ int sdhci_probe(struct udevice *dev)
const struct dm_mmc_ops sdhci_ops = {
.send_cmd = sdhci_send_command,
.set_ios = sdhci_set_ios,
+ .get_cd = sdhci_get_cd,
#ifdef MMC_SUPPORTS_TUNING
.execute_tuning = sdhci_execute_tuning,
#endif
@@ -635,6 +651,7 @@ const struct dm_mmc_ops sdhci_ops = {
static const struct mmc_ops sdhci_ops = {
.send_cmd = sdhci_send_command,
.set_ios = sdhci_set_ios,
+ .get_cd = sdhci_get_cd,
.init = sdhci_init,
};
#endif
--
1.8.3.1
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