Re: [RFC PATCH 0/2] hw/sd: Deprecate the SPI mode and the SPI to SD adapter

On Sun, Jul 5, 2020 at 3:08 PM Philippe Mathieu-Daudé <f4bug(a)amsat.org&gt; 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@nongnu.org/msg720089.html > > I'm still posting this as RFC to discuss, but I'm reconsiderating > keeping this mode a bit more. I think it's worth keeping. I'm pretty sure the HiFive Unleashed (sifive_u in QEMU) uses SD over SPI. There isn't an upstream model but I think there are out of tree patches that hopefully one day will make it upstream.

Alistair > > Philippe Mathieu-Daudé (2): > hw/sd/ssi-sd: Deprecate the SPI to SD card 'adapter' > hw/sd/sdcard: Deprecate the SPI mode > > docs/system/deprecated.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > -- > 2.21.3 > >