[U-Boot,3/9] mmc: tmio: sdhi: Use 4 tuning taps on M3W up to ES1.2
diff mbox series

Message ID 20191110154012.24603-3-marek.vasut+renesas@gmail.com
State Superseded
Delegated to: Peng Fan
Headers show
Series
  • [U-Boot,1/9] mmc: tmio: sdhi: Track current tap number in private data
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Commit Message

Marek Vasut Nov. 10, 2019, 3:40 p.m. UTC
The M3W up to ES1.2 uses 4 tuning taps for HS400, make it so.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
---
 drivers/mmc/renesas-sdhi.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Patch
diff mbox series

diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 2f34173d03..3f20a690a2 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -622,9 +622,12 @@  static void renesas_sdhi_filter_caps(struct udevice *dev)
 		priv->adjust_hs400_calibrate = 0x2;
 	}
 
-	/* H3 ES2.0 uses 4 tuning taps */
-	if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
-	    (rmobile_get_cpu_rev_integer() == 2))
+	/* H3 ES1.x, ES2.0 and M3W ES1.0, ES1.1, ES1.2 uses 4 tuning taps */
+	if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
+	    (rmobile_get_cpu_rev_integer() <= 2)) ||
+	    ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) &&
+	    (rmobile_get_cpu_rev_integer() == 1) &&
+	    (rmobile_get_cpu_rev_fraction() <= 2)))
 		priv->nrtaps = 4;
 	else
 		priv->nrtaps = 8;