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Peng Fan authored
Add HS400 ES mode support. The flow is same as mmc_select_hs400es in kernel drivers/mmc/core/mmc.c. With HS400 ES, there is no tuning needed. With Toshiba 32GB Automotive eMMC5.1 on 8QXP ARM2 board, speed test: 'time mmc read 0x90000000 0 0x200000' shows that speed is 282MB/s. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com>
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