On 07/02/2018 17:22, Peter Maydell wrote: >> Just to understand the context better, when you buy a SoC (presumably as >> IP) can you also configure it to hardwire different CPU config signals? > > Usually if you buy an SoC you're buying the silicon, not > the IP. I think the usual case is that the SoC ties the > CPU config signals to 0 or 1 (part of the SoC designer's > job is configuring the semi-configurable bits of IP the > way they want when they put them all together). It would > certainly be in theory possible for the SoC to instead > route those signals out to pins on the SoC for the board > to tie off, but my impression is that's not a likely design > choice.
Yeah, that's why I was wondering if buying an SoC as configurable IP was a thing at all. In that case, I would just make things less configurable and, if needed, hack the configurability with -global. Paolo
