On Fri, 14 Aug 2020, Brad Boyer wrote: > > Multiple display support shouldn't be too difficult, but I think we > should do that by having real video drivers rather than just using > macfb. It would be similar to the way offb works for PCI PowerMacs, > where there is both a generic driver and individual drivers for each of > the onboard chips as well as the various common PCI cards. >
I think macfb could be replaced entirely by simplefb and some nubus drivers, now that nubus has actual drivers under the Linux driver model (as of Linux v4.16). > I suppose we can just tell people to manage the serial switch setting in > MacOS, but that seems clumsy. No need for MacOS. As of Linux v5.1 you can configure SCC IOP bypass using /dev/nvram on 68k Macs. (I wonder whether PRAM reset would enable or disable bypass...)

