From: Marek Vasut Date: Wed, 13 Jun 2018 06:02:55 +0000 (+0200) Subject: mmc: tmio: sdhi: Clear HS400 settings when resetting SCC X-Git-Tag: v2018.11~20^2~2 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=dc1488f1d26d103449db3436f43fcd81712cb47c;p=oweals%2Fu-boot.git mmc: tmio: sdhi: Clear HS400 settings when resetting SCC Make sure to clear HS400 configuration when resetting the SCC block. Signed-off-by: Marek Vasut Cc: Masahiro Yamada --- diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 7c92bd92ad..e92bbe5f09 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -34,6 +34,8 @@ #define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2) #define RENESAS_SDHI_SCC_SMPCMP 0x818 #define RENESAS_SDHI_SCC_TMPPORT2 0x81c +#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31) +#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4) #define RENESAS_SDHI_MAX_TAP 3 @@ -90,6 +92,11 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv *priv) reg &= ~RENESAS_SDHI_SCC_CKSEL_DTSEL; tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL); + reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT2); + reg &= ~(RENESAS_SDHI_SCC_TMPPORT2_HS400EN | + RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL); + tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2); + reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL); reg |= TMIO_SD_CLKCTL_SCLKEN; tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);