mmc: tmio: sdhi: Configure DT2FF register for HS400 mode

The DT2FF register must be configured differently for HS400 mode
and for HS200/SDR104 mode. Configure the DT2FF register according
to the recommended datasheet settings for each mode.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index a556acd..923f846 100644 (file)
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -148,6 +148,9 @@ static int renesas_sdhi_hs400(struct udevice *dev)
                tmio_sd_writel(priv, priv->tap_set, RENESAS_SDHI_SCC_TAPSET);
        }
 
+       tmio_sd_writel(priv, hs400 ? 0x704 : 0x300,
+                      RENESAS_SDHI_SCC_DT2FF);
+
        reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_CKSEL);
        reg |= RENESAS_SDHI_SCC_CKSEL_DTSEL;
        tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL);