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| H A D | sdhci-of-esdhc.c | diff 58d0bf843b49fa99588ac9f85178bd8dfd651b53 Fri Nov 23 04:15:36 CET 2018 Yangbo Lu <yangbo.lu@nxp.com> mmc: sdhci-of-esdhc: temporary fixup for eMMC HS400 issue
Currently only LX2160A eSDHC supports eMMC HS400. According to
a large number of tests, eMMC HS400 failed to work at 150MHz,
and for a few boards failed to work at 175MHz. But eMMC HS400
worked fine on 200MHz. We hadn't found the root cause but
setting eSDHC_DLLCFG0[DLL_FREQ_SEL] = 0 using slow delay chain
seemed to resovle this issue. Let's use this as fixup for now.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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