Index: linux-2.6.25.4/arch/mips/Kconfig
===================================================================
--- linux-2.6.25.4.orig/arch/mips/Kconfig
+++ linux-2.6.25.4/arch/mips/Kconfig
@@ -78,6 +78,19 @@ config MIPS_COBALT
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select GENERIC_HARDIRQS_NO__DO_IRQ
 
+config IFXMIPS
+	bool "IFXMips support"
+	select DMA_NONCOHERENT
+	select IRQ_CPU
+	select CEVT_R4K
+	select CSRC_R4K
+	select SYS_HAS_CPU_MIPS32_R1
+	select HAVE_STD_PC_SERIAL_PORT
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_HAS_EARLY_PRINTK
+	select HW_HAS_PCI
+
 config MACH_DECSTATION
 	bool "DECstations"
 	select BOOT_ELF32
@@ -693,6 +706,7 @@ source "arch/mips/sibyte/Kconfig"
 source "arch/mips/tx4927/Kconfig"
 source "arch/mips/tx4938/Kconfig"
 source "arch/mips/vr41xx/Kconfig"
+source "arch/mips/ifxmips/Kconfig"
 
 endmenu
 
Index: linux-2.6.25.4/arch/mips/Makefile
===================================================================
--- linux-2.6.25.4.orig/arch/mips/Makefile
+++ linux-2.6.25.4/arch/mips/Makefile
@@ -282,6 +282,13 @@ core-$(CONFIG_MIPS_COBALT)	+= arch/mips/
 cflags-$(CONFIG_MIPS_COBALT)	+= -Iinclude/asm-mips/mach-cobalt
 load-$(CONFIG_MIPS_COBALT)	+= 0xffffffff80080000
 
+# 
+# Infineon IFXMIPS
+# 
+core-$(CONFIG_IFXMIPS) += arch/mips/ifxmips/
+cflags-$(CONFIG_IFXMIPS)   += -Iinclude/asm-mips/mach-ifxmips
+load-$(CONFIG_IFXMIPS) += 0xffffffff80002000
+
 #
 # DECstation family
 #
Index: linux-2.6.25.4/include/asm-mips/bootinfo.h
===================================================================
--- linux-2.6.25.4.orig/include/asm-mips/bootinfo.h
+++ linux-2.6.25.4/include/asm-mips/bootinfo.h
@@ -94,6 +94,12 @@
 #define MACH_MSP7120_FPGA       5	/* PMC-Sierra MSP7120 Emulation */
 #define MACH_MSP_OTHER        255	/* PMC-Sierra unknown board type */
 
+/*
+ * Valid machtype for group IFXMIPS
+ */
+#define MACH_GROUP_IFXMIPS     29
+#define MACH_INFINEON_IFXMIPS  0
+
 #define CL_SIZE			COMMAND_LINE_SIZE
 
 extern char *system_type;
Index: linux-2.6.25.4/arch/mips/kernel/traps.c
===================================================================
--- linux-2.6.25.4.orig/arch/mips/kernel/traps.c
+++ linux-2.6.25.4/arch/mips/kernel/traps.c
@@ -1379,6 +1379,7 @@ void __cpuinit per_cpu_trap_init(void)
 	 */
 	if (cpu_has_mips_r2) {
 		cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
+		cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
 		cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
 		if (cp0_perfcount_irq == cp0_compare_irq)
 			cp0_perfcount_irq = -1;