Filter out HS400 support on SoCs where HS400 is not supported yet.
Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
Cc: Masahiro Yamada <yamada.masah...@socionext.com>
---
V3: New patch
---
drivers/mmc/renesas-sdhi.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index f4283d055f..0cc6f27279 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -363,6 +363,23 @@ static ulong renesas_sdhi_clk_get_rate(struct tmio_sd_priv
*priv)
return clk_get_rate(&priv->clk);
}
+static void renesas_sdhi_filter_caps(struct udevice *dev)
+{
+ struct tmio_sd_plat *plat = dev_get_platdata(dev);
+ struct tmio_sd_priv *priv = dev_get_priv(dev);
+
+ if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3))
+ return;
+
+ /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1 */
+ if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
+ (rmobile_get_cpu_rev_integer() <= 1)) ||
+ ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) &&
+ (rmobile_get_cpu_rev_integer() == 1) &&
+ (rmobile_get_cpu_rev_fraction() <= 1)))
+ plat->cfg.host_caps &= ~MMC_MODE_HS400;
+}
+
static int renesas_sdhi_probe(struct udevice *dev)
{
struct tmio_sd_priv *priv = dev_get_priv(dev);
@@ -407,6 +424,9 @@ static int renesas_sdhi_probe(struct udevice *dev)
}
ret = tmio_sd_probe(dev, quirks);
+
+ renesas_sdhi_filter_caps(dev);
+
#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
if (!ret && (priv->caps & TMIO_SD_CAP_RCAR_UHS))
renesas_sdhi_reset_tuning(priv);
--
2.18.0
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