From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Mon, 02 Jul 2012 19:54:24 +0200 Subject: [U-Boot] [PATCH] i.MX6 USDHC: Use the ESDHC clock In-Reply-To: <1339681473-2435-1-git-send-email-dirk.behme@de.bosch.com> References: <1339681473-2435-1-git-send-email-dirk.behme@de.bosch.com> Message-ID: <4FF1E050.1020405@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 14/06/2012 15:44, Dirk Behme wrote: > From: Michael Langer > > The commit "i.mx: fsl_esdhc: add the i.mx6q support" (4692708d) introduces > support for the i.MX6Q MMC host controller USDHC. > > MXC_IPG_PERCLK sets the clock to 66MHz. This seems to be the default clock > of the ESDHC IP found in < i.MX6 silicon. However, the default clock for the USDHC > IP found in i.MX6 is 200MHz (MXC_ESDHC_CLK). This difference will cause a 3 times > higher clock on SD_CLK than expected (see fsl_esdh.c -> set_sysctl()). > > Signed-off-by: Michael Langer > CC: Stefano Babic > CC: Jason Liu > --- Applied to u-boot-imx, thanks. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================