diff -Nur linux-2.4.32.orig/arch/i386/Makefile linux-2.4.32/arch/i386/Makefile
--- linux-2.4.32.orig/arch/i386/Makefile	2004-11-17 12:54:21.000000000 +0100
+++ linux-2.4.32/arch/i386/Makefile	2006-01-10 00:39:39.445913952 +0100
@@ -94,6 +94,10 @@
 CFLAGS += $(call check_gcc,-march=c3-2,-march=i686)
 endif
 
+ifdef CONFIG_MGEODEGX
+CFLAGS += -march=i486
+endif
+
 # Disable unit-at-a-time mode, it makes gcc use a lot more stack
 # due to the lack of sharing of stacklots.
 CFLAGS += $(call check_gcc,-fno-unit-at-a-time,)
diff -Nur linux-2.4.32.orig/arch/i386/config.in linux-2.4.32/arch/i386/config.in
--- linux-2.4.32.orig/arch/i386/config.in	2004-11-17 12:54:21.000000000 +0100
+++ linux-2.4.32/arch/i386/config.in	2006-01-10 00:40:45.883813856 +0100
@@ -42,6 +42,7 @@
 	 Winchip-C6				CONFIG_MWINCHIPC6 \
 	 Winchip-2				CONFIG_MWINCHIP2 \
 	 Winchip-2A/Winchip-3			CONFIG_MWINCHIP3D \
+	 MediaGX/GeodeGX1			CONFIG_MGEODEGX \
 	 CyrixIII/VIA-C3			CONFIG_MCYRIXIII \
 	 VIA-C3-2				CONFIG_MVIAC3_2" Pentium-Pro
 #
@@ -163,6 +164,13 @@
    define_bool CONFIG_X86_USE_PPRO_CHECKSUM y
    define_bool CONFIG_X86_F00F_WORKS_OK y
 fi
+if [ "$CONFIG_MGEODEGX" = "y" ]; then
+   define_int  CONFIG_X86_L1_CACHE_SHIFT 5
+   define_bool CONFIG_X86_USE_STRING_486 y
+   define_bool CONFIG_X86_ALIGNMENT_16 y
+   define_bool CONFIG_X86_TSC y
+   define_bool CONFIG_X86_PPRO_FENCE y
+fi
 if [ "$CONFIG_MCRUSOE" = "y" ]; then
    define_int  CONFIG_X86_L1_CACHE_SHIFT 5
    define_bool CONFIG_X86_HAS_TSC y

Signed-off-by: Kianusch Sayah Karadji <kianusch@sk-tech.net>