Make sure to clear HS400 configuration when reseting the SCC block.
Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
Cc: Masahiro Yamada <yamada.masah...@socionext.com>
---
drivers/mmc/renesas-sdhi.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 6b5871a0ae..2949c517cb 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -34,6 +34,8 @@
#define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2)
#define RENESAS_SDHI_SCC_SMPCMP 0x818
#define RENESAS_SDHI_SCC_TMPPORT2 0x81c
+#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31)
+#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4)
#define RENESAS_SDHI_MAX_TAP 3
@@ -90,6 +92,11 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv
*priv)
reg &= ~RENESAS_SDHI_SCC_CKSEL_DTSEL;
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL);
+ reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT2);
+ reg &= ~(RENESAS_SDHI_SCC_TMPPORT2_HS400EN |
+ RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL);
+ tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2);
+
reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL);
reg |= TMIO_SD_CLKCTL_SCLKEN;
tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);
--
2.18.0
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