>> I'm interested in how you want to map port IO space to memory. >> Please explain. >> >> AFAIK PCI register space is totally independent of port IO space which >> is totally independent of memory space. You can access PCI register >> space via CF8/CFC port IO and via MMCONFIG memory, but I'm unaware of >> any mechanisms to map IO ports to memory or the other way round. > > Well, all I know at this point is that the Linux kernel > sources have code that maps inb etc either to the > instructions or to a memory dereference, and the .config > for that chooses memory dereference for x86. > > It's gonna be fun seeing if high-IO-address space can be > made to work..
We should be able to support any mapping that you can make work in Linux. It will be fun to see. Thanks, Myles -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
