m68k: Select M68020 as fallback for classic

Building without a CPU selected does not work.

Change the Kconfig logic slightly to make sure we always pick M68020 if
nothing else is enabled.  There are still some intentional warnings for
builds with all platforms disabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/20241030195638.22542-2-arnd@kernel.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Arnd Bergmann 2024-10-30 20:56:14 +01:00 committed by Geert Uytterhoeven
parent 5d42a68573
commit 4760df6c17

View File

@ -21,6 +21,7 @@ choice
config M68KCLASSIC
bool "Classic M68K CPU/machine family support"
select HAVE_ARCH_PFN_VALID
select M68020 if MMU && !(M68030 || M68040 || M68060)
config COLDFIRE
bool "Coldfire CPU family support"