dmesg | grep -i sof
[ 0.509012] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <
[email protected]>
[ 0.592555] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 0.592557] software IO TLB: mapped [mem 0x00000000818bb000-0x00000000858bb000] (64MB)
[...