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[86.49.110.70]) by smtp.gmail.com with ESMTPSA id l67-v6sm60125880wma.20.2018.11.02.08.03.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 02 Nov 2018 08:03:52 -0700 (PDT) From: Marek Vasut X-Google-Original-From: Marek Vasut To: u-boot@lists.denx.de Date: Fri, 2 Nov 2018 16:03:25 +0100 Message-Id: <20181102150328.21972-10-marek.vasut+renesas@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181102150328.21972-1-marek.vasut+renesas@gmail.com> References: <20181102150328.21972-1-marek.vasut+renesas@gmail.com> Cc: Marek Vasut Subject: [U-Boot] [PATCH V3 10/13] mmc: tmio: sdhi: Clear HS400 settings when resetting SCC X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Make sure to clear HS400 configuration when resetting the SCC block. Signed-off-by: Marek Vasut Cc: Masahiro Yamada --- V2: No change V3: No change --- drivers/mmc/renesas-sdhi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 465663ba97..884b4a5cc8 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);