Hello Roman, On 09.09.22 17:48, roman perepelitsin wrote: > I use coreboot for ApolloLake CPU (Atom). We have SuperIO WB83627-DHG chip > on carrier board. LPC enabled, POST codes work normal. But I can't get > access to SIO under Linux (via port 0x2e). Superiotool can't find chip. > Also, I have CPLD on LPCB - I use it to view LPC transactions - so, then I > try to out byte to 0x2e - transaction on LPC is none. But, I enable UART0 > on SIO (via devicetree.cb) - and it works fine. Whats wrong?
the W83627DHG has the UART enabled by default, so it's still possible that coreboot can't access 0x2e either. Do you have a setting for `lpc_ioe` in your devicetree? It's easier to help if you'd show your complete mainboard port. Nico _______________________________________________ coreboot mailing list -- coreboot@coreboot.org To unsubscribe send an email to coreboot-le...@coreboot.org