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Subject[PATCH 401] M68k configuration
Update M68k configuration logic:
- Introduce CONFIG_MMU_MOTOROLA and CONFIG_MMU_SUN3
- Move Sun-3 config selection to the top since all other platforms conflict
with it
- Sun-3 implies MMU_SUN3
- All other platforms imply MMU_MOTOROLA
- Sun-3 implies M68020
- Sun-3x implies M68030
- Sun-3 kernels cannot support 68030, 68040, or 68060

--- linux-2.6.3/arch/m68k/Kconfig 2004-02-01 20:53:38.000000000 +0100
+++ linux-m68k-2.6.3/arch/m68k/Kconfig 2004-02-01 17:30:34.000000000 +0100
@@ -70,8 +77,21 @@
To compile this driver as modules, choose M here: the
modules will be called pcmcia_core and ds.

+config SUN3
+ bool "Sun3 support"
+ select M68020
+ select MMU_SUN3 if MMU
+ help
+ This option enables support for the Sun 3 series of workstations
+ (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires
+ that all other hardware types must be disabled, as Sun 3 kernels
+ are incompatible with all other m68k targets (including Sun 3x!).
+
+ If you don't want to compile a kernel exclusively for a Sun 3, say N.
+
config AMIGA
bool "Amiga support"
+ depends on !MMU_SUN3
help
This option enables support for the Amiga series of computers. If
you plan to use this kernel on an Amiga, say Y here and browse the
@@ -79,6 +99,7 @@

config ATARI
bool "Atari support"
+ depends on !MMU_SUN3
help
This option enables support for the 68000-based Atari series of
computers (including the TT, Falcon and Medusa). If you plan to use
@@ -109,6 +130,7 @@

config MAC
bool "Macintosh support"
+ depends on !MMU_SUN3
help
This option enables support for the Apple Macintosh series of
computers (yes, there is experimental support now, at least for part
@@ -129,12 +151,14 @@

config APOLLO
bool "Apollo support"
+ depends on !MMU_SUN3
help
Say Y here if you want to run Linux on an MC680x0-based Apollo
Domain workstation such as the DN3500.

config VME
bool "VME (Motorola and BVM) support"
+ depends on !MMU_SUN3
help
Say Y here if you want to build a kernel for a 680x0 based VME
board. Boards currently supported include Motorola boards MVME147,
@@ -171,6 +195,7 @@

config HP300
bool "HP9000/300 support"
+ depends on !MMU_SUN3
help
This option enables support for the HP9000/300 series of
workstations. Support for these machines is still very experimental.
@@ -187,30 +212,20 @@

config SUN3X
bool "Sun3x support"
+ depends on !MMU_SUN3
+ select M68030
help
This option enables support for the Sun 3x series of workstations.
- Be warned that this support is very experimental. You will also want
- to say Y to 68030 support and N to the other processors below.
+ Be warned that this support is very experimental.
Note that Sun 3x kernels are not compatible with Sun 3 hardware.
General Linux information on the Sun 3x series (now discontinued)
is at <http://www.angelfire.com/ca2/tech68k/sun3.html>.

If you don't want to compile a kernel for a Sun 3x, say N.

-config SUN3
- bool "Sun3 support"
- help
- This option enables support for the Sun 3 series of workstations
- (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires
- that all other hardware types must be disabled, as Sun 3 kernels
- are incompatible with all other m68k targets (including Sun 3x!).
- Also, you will want to say Y to 68020 support and N to the other
- processors below.
-
- If you don't want to compile a kernel exclusively for a Sun 3, say N.
-
config Q40
bool "Q40/Q60 support"
+ depends on !MMU_SUN3
help
The Q40 is a Motorola 68040-based successor to the Sinclair QL
manufactured in Germany. There is an official Q40 home page at
@@ -238,6 +245,7 @@

config M68030
bool "68030 support"
+ depends on !MMU_SUN3
help
If you anticipate running this kernel on a computer with a MC68030
processor, say Y. Otherwise, say N. Note that a MC68EC030 will not
@@ -245,6 +253,7 @@

config M68040
bool "68040 support"
+ depends on !MMU_SUN3
help
If you anticipate running this kernel on a computer with a MC68LC040
or MC68040 processor, say Y. Otherwise, say N. Note that an
@@ -253,6 +262,7 @@

config M68060
bool "68060 support"
+ depends on !MMU_SUN3
help
If you anticipate running this kernel on a computer with a MC68060
processor, say Y. Otherwise, say N.
@@ -249,6 +264,14 @@
If you anticipate running this kernel on a computer with a MC68060
processor, say Y. Otherwise, say N.

+config MMU_MOTOROLA
+ bool
+ depends on MMU && !MMU_SUN3
+ default y
+
+config MMU_SUN3
+ bool
+
config M68KFPU_EMU
bool "Math emulation support (EXPERIMENTAL)"
depends on EXPERIMENTAL
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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