> Based on my experience with the boards with NOR only, the EBU_CS1 pin
> should always be driven (i.e., not open-drain) for the flash not to get
> corrupted by PCI. If it is not driven, it takes some time for the pin to
> be pulled up (depending on the pull-up resistors), and the flash chip
> may still be enabled when the PCI transfers start.

And to be clear, driven means OD register set to 1, which means
lantiq,open-drain not set in the dts.

Matti Laakso
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