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mmc: tmio: sdhi: Use 4 tuning taps on M3W up to ES1.2

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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>
This commit is contained in:
Marek Vasut 2019-11-23 13:36:19 +01:00 committed by Peng Fan
parent 37c3990664
commit 810998871a
1 changed files with 6 additions and 3 deletions
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9
drivers/mmc/renesas-sdhi.c
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@ -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;