x86: cleanup, introduce CONFIG_NON_STANDARD_PLATFORMS

Introduce a Y/N Kconfig option for non-PC x86 platforms.

Make VisWS, RDC321 and SGI/UV depend on this.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 38ed1a6c6d860362bbacaacacd9392cd9d02341f..b090e5a27dac95085414ede1eba507bd33e92f13 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -349,9 +349,23 @@ config X86_VSMP
 
 endchoice
 
+config X86_NON_STANDARD
+       bool "Support for non-standard x86 platforms"
+       help
+         If you disable this option then the kernel will only support
+         standard PC platforms. (which covers the vast majority of
+         systems out there.)
+
+         If you enable this option then you'll be able to select a number
+         of less common non-PC x86 platforms: VisWS, RDC321, SGI/UV.
+
+         If you have one of these systems, or if you want to build a
+         generic distribution kernel, say Y here - otherwise say N.
+
 config X86_VISWS
        bool "SGI 320/540 (Visual Workstation)"
        depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT
+       depends on X86_NON_STANDARD
        help
          The SGI Visual Workstation series is an IA32-based workstation
          based on SGI systems chips with some legacy PC hardware attached.
@@ -364,6 +378,7 @@ config X86_VISWS
 config X86_RDC321X
        bool "RDC R-321x SoC"
        depends on X86_32
+       depends on X86_NON_STANDARD
        select M486
        select X86_REBOOTFIXUPS
        help
@@ -374,6 +389,7 @@ config X86_RDC321X
 config X86_UV
        bool "SGI Ultraviolet"
        depends on X86_64
+       depends on X86_NON_STANDARD
        help
          This option is needed in order to support SGI Ultraviolet systems.
          If you don't have one of these, you should say N here.