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 --- 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;