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mmc: sdhci-of-dwcmshc: Reset the previous DLL settings

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Reset the previous DLL settings left out from loader in case
of running initial booting with mismatch DLL settings.

Change-Id: Icba9ddcafc3969f7869a6ba31a017db6be0c885e
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin
2020-12-07 14:09:29 +08:00
committed by Tao Huang
parent a3a274057c
commit b11a801fd6
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/sdhci-of-dwcmshc.c
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@@ -245,6 +245,9 @@ static int rockchip_pltf_init(struct sdhci_host *host, struct dwcmshc_priv *priv
/* Disable cmd conflict check */
sdhci_writel(host, 0x0, DWCMSHC_HOST_CTRL3);
/* Reset previous settings */
sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_TXCLK);
sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_STRBIN);
return 0;
}