forked from Minki/linux
1ede5cb88a
If we don't select a set of better parameters for our emmc host, It may easily occur CMD response CRC error. And also it may cause cannot boot up issue. Fot getting a set of better parameters, our emmc host supports data tune mechanism.Therefore, our emmc driver also should change to use data tune for CMD line. Because our emmc host use the different clock source to sample the CMD signal between HS200 and HS400 mode, the parameters are also different between these two modes. Separate cmd internal delay for HS200/HS400 mode. This change can fix "System can not boot up" issue. Signed-off-by: Yong Mao <yong.mao@mediatek.com> Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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