[PATCH] x86 reboot: Add reboot fixup for gx1/cs5530a

This patch by Jaya Kumar introduces a generic infrastructure to deal with
x86 chipsets with nonstandard reset sequences, and adds support for the
Geode gx1/cs5530a chipset.

Signed-off-by: Jaya Kumar <jayalk@intworks.biz>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 17a0cbce6f30..99b4f294a52d 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -653,6 +653,24 @@ config I8K
           Say Y if you intend to run this kernel on a Dell Inspiron 8000.
           Say N otherwise.
 
+config X86_REBOOTFIXUPS
+        bool "Enable X86 board specific fixups for reboot"
+        depends on X86
+        default n
+        ---help---
+          This enables chipset and/or board specific fixups to be done
+          in order to get reboot to work correctly. This is only needed on
+          some combinations of hardware and BIOS. The symptom, for which
+          this config is intended, is when reboot ends with a stalled/hung
+          system.
+
+          Currently, the only fixup is for the Geode GX1/CS5530A/TROM2.1.
+          combination.
+
+          Say Y if you want to enable the fixup. Currently, it's safe to
+          enable this option even if you don't need it.
+          Say N otherwise.
+
 config MICROCODE
         tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
         ---help---