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mmc: fsl_esdhc: add pulse width detection workaround
authorMichael Walle <michael@walle.cc>
Wed, 17 Mar 2021 14:01:37 +0000 (15:01 +0100)
committerPeng Fan <peng.fan@nxp.com>
Tue, 6 Apr 2021 10:36:04 +0000 (18:36 +0800)
commitd3b745f7d00d07767a0ed85a6b139feeb8df9aaf
tree3acce1e9caed60d740445948f654d35f6445e731tree | snapshot
parentbd7b8505f2c0c87785488a040ff7d2711465b401commit | diff
mmc: fsl_esdhc: add pulse width detection workaround

HS400 mode on the LS1028A SoC isn't reliable. The linux driver has a
workaroung for the pulse width detection. Apply this workaround in
u-boot, too.

This will make HS400 mode work reliably on the LS1028A SoC.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
arch/arm/cpu/armv8/fsl-layerscape/Kconfig diff | blob | blame | history
drivers/mmc/Kconfig diff | blob | blame | history
drivers/mmc/fsl_esdhc.c diff | blob | blame | history
include/fsl_esdhc.h diff | blob | blame | history
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