commit d3b745f7d00d07767a0ed85a6b139feeb8df9aaf
author Michael Walle <michael@walle.cc> Wed Mar 17 15:01:37 2021 +0100
committer Peng Fan <peng.fan@nxp.com> Tue Apr 06 18:36:04 2021 +0800
tree 3acce1e9caed60d740445948f654d35f6445e731
parent bd7b8505f2c0c87785488a040ff7d2711465b401

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>

drivers/mmc/Kconfig

diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index b0ff92b..4925675 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -816,3 +816,6 @@
 
 config SYS_FSL_ERRATUM_A011334
 	bool
+
+config SYS_FSL_ESDHC_UNRELIABLE_PULSE_DETECTION_WORKAROUND
+	bool