Re: [PATCH 1/2] MIPS: Allow MIPS32R2 kernel to run on P5600 and M5150

From: Maciej W. Rozycki
Date: Tue May 30 2023 - 05:13:54 EST


Hi Paul,

> >  I don't know why CPU_XBURST is also listed as both R1 and R2, the
> > history
> > looks convoluted with no explanation.  Paul, is the CPU also dual-
> > revision
> > or is it just a bug and it is supposed to be listed under one ISA
> > revision
> > only, presumably R2?
>
> The XBurst CPU is R1 in older Ingenic SoCs (JZ4760B and older), and R2
> in newer SoCs (JZ4770 and newer).

Great, thanks for confirming. So the current arrangement is right and
still we don't want to dual-list the P5600 or M5150.

Maciej