On Fri, Nov 15, 2024 at 12:11:04AM +1100, Michael Ellerman wrote: > CHRP (Common Hardware Reference Platform) was a standard developed by > IBM & Apple for PowerPC-based systems. > > The standard was used in the development of some machines but never > gained wide spread adoption. > > The Linux CHRP code only supports a handful of machines, all 32-bit, eg. > IBM B50, bplan/Genesi Pegasos/Pegasos2, Total Impact briQ, and possibly > some from Motorola? No Apple machines should be affected. > > All of those mentioned above are over or nearing 20 years old, and seem > to have no active users.
This was used by all non-IBM 970 systems as well. The last was SLOF on JS20 and JS21, about 20 years ago yes, and I doubt anyone uses it still (I don't). > So remove the CHRP support. If there's interest in still supporting some > of the machines that can be brought back from the git history. Sorry to see it go, but that's the way of the world :-) > Note there are still some references to CHRP/chrp in various comments > and some in the code, because later standards (eg. RPA, PAPR) used some > elements of CHRP or copied the CHRP behaviour. These will need to be > cleaned up on a case-by-case basis to either refer to newer standards or > left as-is when that's correct. > > The CHRP code was copied from arch/ppc, and before that it mostly > predates git, so the original authorship is largely lost. If anyone > wrote any of this code and would like a CREDITS entry just let me know. > > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> Acked-by: Segher Boessenkool <seg...@kernel.crashing.org> Segher
