On Tue, Sep 17, 2019 at 10:33 AM Russell King - ARM Linux admin <linux@xxxxxxxxxxxxxxx> wrote: > That attempts to set bit 12 of the host control register 2 (0x3e). > The LX2160A documentation states that bit 28 of 0x3c (they're 32-bit > wide registers there) is "reserved". > > So, you're asking for a documented reserved bit to be set... Correct, v4 is not supported here indeed. >From the LX2160 doc: "Conforms to the SD Host Controller Standard Specification version 3.0"
