From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] i.MX6 USDHC: Use the ESDHC clock
Date: Mon, 02 Jul 2012 19:54:24 +0200 [thread overview]
Message-ID: <4FF1E050.1020405@denx.de> (raw)
In-Reply-To: <1339681473-2435-1-git-send-email-dirk.behme@de.bosch.com>
On 14/06/2012 15:44, Dirk Behme wrote:
> From: Michael Langer <michael.langer@de.bosch.com>
>
> 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 <michael.langer@de.bosch.com>
> CC: Stefano Babic <sbabic@denx.de>
> CC: Jason Liu <r64343@freescale.com>
> ---
Applied to u-boot-imx, thanks.
Best regards,
Stefano Babic
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prev parent reply other threads:[~2012-07-02 17:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 13:44 [U-Boot] [PATCH] i.MX6 USDHC: Use the ESDHC clock Dirk Behme
2012-06-15 14:33 ` Stefano Babic
2012-07-02 17:54 ` Stefano Babic [this message]
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