From: Arnd Bergmann > Sent: 13 April 2021 13:58 ... > The remaining ones (csky, m68k, sparc32) need to be inspected > manually to see if they currently support PCI I/O space but in > fact use address zero as the base (with large resources) or they > should also turn the operations into a NOP. I'd expect sparc32 to use an ASI to access PCI IO space. I can't quite remember whether IO space was supported at all. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)