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mmc: renesas-sdhi: R-Car M3 r1.3 also uses 4 tuning taps 

Early ES revisions of M3-W SoCs requires 4-tap HS400. Reflect the status
from datasheet.

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Hai Pham 2023-01-26 21:05:55 +01:00 committed by Marek Vasut
parent a61a824169
commit 01cbce80c1
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/renesas-sdhi.c
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@ -934,12 +934,12 @@ static void renesas_sdhi_filter_caps(struct udevice *dev)
r8a77990_calib_table[!rmobile_is_gen3_mmc0(priv)];
}
/* H3 ES1.x, ES2.0 and M3W ES1.0, ES1.1, ES1.2 uses 4 tuning taps */
/* H3 ES1.x, ES2.0 and M3W ES1.[0123] 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)))
(rmobile_get_cpu_rev_fraction() <= 3)))
priv->nrtaps = 4;
else
priv->nrtaps = 8;