From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V2 6/9] mmc: tmio: sdhi: Disable auto-retuning in HS400
Date: Sat, 23 Nov 2019 13:36:22 +0100 [thread overview]
Message-ID: <20191123123625.111794-6-marek.vasut+renesas@gmail.com> (raw)
In-Reply-To: <20191123123625.111794-1-marek.vasut+renesas@gmail.com>
Disable the auto-retuning in HS400 mode in favor of manual calibration.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
---
V2: Rebase on u-boot/master, no other change
---
drivers/mmc/renesas-sdhi.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 79672653ff..8c690a27b2 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -229,7 +229,9 @@ static int renesas_sdhi_hs400(struct udevice *dev)
if (ret < 0)
return ret;
- tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_RVSREQ);
+ reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_RVSCNTL);
+ reg &= ~RENESAS_SDHI_SCC_RVSCNTL_RVSEN;
+ tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_RVSCNTL);
reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT2);
if (hs400) {
@@ -264,10 +266,6 @@ static int renesas_sdhi_hs400(struct udevice *dev)
reg |= RENESAS_SDHI_SCC_CKSEL_DTSEL;
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL);
- reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_RVSCNTL);
- reg |= RENESAS_SDHI_SCC_RVSCNTL_RVSEN;
- tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_RVSCNTL);
-
/* Execute adjust hs400 offset after setting to HS400 mode */
if (hs400)
priv->needs_adjust_hs400 = true;
--
2.24.0.359.ga6e4e5af0a
next prev parent reply other threads:[~2019-11-23 12:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-23 12:36 [U-Boot] [PATCH V2 1/9] mmc: tmio: sdhi: Track current tap number in private data Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 2/9] mmc: tmio: sdhi: Track SMPCMP valu " Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 3/9] mmc: tmio: sdhi: Use 4 tuning taps on M3W up to ES1.2 Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 4/9] mmc: tmio: sdhi: Adjust DT2FF settings for HS400 mode Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 5/9] mmc: tmio: sdhi: Adjust HS400 calibration offsets Marek Vasut
2019-11-23 12:36 ` Marek Vasut [this message]
2019-11-23 12:36 ` [U-Boot] [PATCH V2 7/9] mmc: tmio: sdhi: Add SCC error checking Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 8/9] mmc: tmio: sdhi: Skip bad taps Marek Vasut
2019-11-23 12:36 ` [U-Boot] [PATCH V2 9/9] mmc: tmio: sdhi: Add calibration tables Marek Vasut
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