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mmc: tmio: sdhi: Configure DT2FF register for HS400 mode

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The DT2FF register must be configured differently for HS400 mode
and for HS200/SDR104 mode. Configure the DT2FF register according
to the recommended datasheet settings for each mode.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Marek Vasut 2019-02-14 15:16:15 +01:00 committed by Marek Vasut
parent 4c80f111c0
commit 261445dfaf
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/renesas-sdhi.c
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@ -148,6 +148,9 @@ static int renesas_sdhi_hs400(struct udevice *dev)
tmio_sd_writel(priv, priv->tap_set, RENESAS_SDHI_SCC_TAPSET);
}
tmio_sd_writel(priv, hs400 ? 0x704 : 0x300,
RENESAS_SDHI_SCC_DT2FF);
reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_CKSEL);
reg |= RENESAS_SDHI_SCC_CKSEL_DTSEL;
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL);