=> mmc info
Device: dwmmc@fe320000
Manufacturer ID: 1b
OEM: 534d
Name: ED4QT
Timing Interface: Legacy
Tran Speed: 50000000
Rd Block Len: 512
SD version 3.0
High Capacity: Yes
Capacity: 119.3 GiB
Bus Width: 4-bit
Erase Group Size: 512 Bytes