Hi Philippe, On Mon, Jul 6, 2020 at 6:07 AM Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> wrote: > > I tried to maintain the SPI mode because it is useful in > tiny embedded devices, and thought it would be helpful for > the AVR MCUs. > As AVR was blocked, I thought it was wise to deprecate the > SPI mode as users are interested in the faster MMC mode. > Today Thomas surprised me by posting an update of it! > https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg720089.html > > I'm still posting this as RFC to discuss, but I'm reconsiderating > keeping this mode a bit more. > AFAIK, SiFive folks (Pragnesh in cc) are investigating supporting QSPI model on "sifive_u" machine, and it will definitely use this SPI over SD model. In fact, the QSPI is the last big gap in the "sifive_u" machine to make it a complete platform for hardware replacement. Regards, Bin