[U-Boot] [PATCH V2 1/3] mmc: fsl: reset to normal boot mode when eMMC fast boot

[Fabio Estevam]

On Tue, Jun 14, 2016 at 11:53 PM, Peng Fan <van.freenix at gmail.com> wrote:
> When booting in eMMC fast boot, MMC host does not exit from
> boot mode after bootrom loading image. So the first command
> 'CMD0' sent in uboot will pull down the CMD line to low and
> cause errors.
>
> This patch cleans the MMC boot register in "mmc_init" to put the
> MMC host back to normal mode.
>
> Also clear DLL_CTRL delay line settings at USDHC initialization
> to eliminate the pre-settings from boot rom.
>
> Signed-off-by: Peng Fan <van.freenix at gmail.com>
> Cc: Pantelis Antoniou <panto at antoniou-consulting.com>
> Cc: York Sun <york.sun at nxp.com>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Fabio Estevam <fabio.estevam at nxp.com>

Tested-by: Fabio Estevam <fabio.estevam at nxp.com>