[U-Boot] [PATCH V2 3/9] mmc: tmio: sdhi: Use 4 tuning taps on M3W up to ES1.2
Marek Vasut
marek.vasut at gmail.com
Sat Nov 23 12:36:19 UTC 2019
The M3W up to ES1.2 uses 4 tuning taps for HS400, make it so.
Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
---
V2: Rebase on u-boot/master, no other change
---
drivers/mmc/renesas-sdhi.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
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;
--
2.24.0.359.ga6e4e5af0a
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