diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/Kconfig linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/Kconfig
--- linux-2.6.14-rc2-mipscvs/arch/mips/Kconfig	2005-09-23 22:02:44.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/Kconfig	2005-10-04 09:52:43.000000000 +0200
@@ -1123,6 +1123,20 @@ config CPU_SB1
 	select CPU_SUPPORTS_64BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
 
+config CPU_4KSC
+	bool "4KSC"
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_HAS_PREFETCH
+	help
+	  MIPS Technologies 4KSc-series processors.
+
+config CPU_4KSD
+	bool "4KSD"
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_HAS_PREFETCH
+	help
+	  MIPS Technologies 4KSd-series processors.
+
 endchoice
 
 endmenu
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/kernel/cpu-probe.c linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/kernel/cpu-probe.c
--- linux-2.6.14-rc2-mipscvs/arch/mips/kernel/cpu-probe.c	2005-08-16 19:50:43.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/kernel/cpu-probe.c	2005-10-04 09:41:42.000000000 +0200
@@ -552,6 +552,7 @@ static inline void cpu_probe_mips(struct
 		c->cputype = CPU_4KEC;
 		break;
 	case PRID_IMP_4KSC:
+	case PRID_IMP_4KSD:
 		c->cputype = CPU_4KSC;
 		break;
 	case PRID_IMP_5KC:
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/kernel/Makefile linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/kernel/Makefile
--- linux-2.6.14-rc2-mipscvs/arch/mips/kernel/Makefile	2005-09-01 22:42:46.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/kernel/Makefile	2005-10-04 09:30:29.000000000 +0200
@@ -31,6 +31,8 @@ obj-$(CONFIG_CPU_SB1)		+= r4k_fpu.o r4k_
 obj-$(CONFIG_CPU_MIPS32_R1)	+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_MIPS64_R1)	+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R6000)		+= r6000_fpu.o r4k_switch.o
+obj-$(CONFIG_CPU_4KSC)		+= r4k_switch.o
+obj-$(CONFIG_CPU_4KSD)		+= r4k_switch.o
 
 obj-$(CONFIG_SMP)		+= smp.o
 
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/lib-32/Makefile linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/lib-32/Makefile
--- linux-2.6.14-rc2-mipscvs/arch/mips/lib-32/Makefile	2005-07-11 12:03:27.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/lib-32/Makefile	2005-10-04 09:44:09.000000000 +0200
@@ -21,5 +21,7 @@ obj-$(CONFIG_CPU_SB1)		+= dump_tlb.o
 obj-$(CONFIG_CPU_TX39XX)	+= r3k_dump_tlb.o
 obj-$(CONFIG_CPU_TX49XX)	+= dump_tlb.o
 obj-$(CONFIG_CPU_VR41XX)	+= dump_tlb.o
+obj-$(CONFIG_CPU_4KSC)		+= dump_tlb.o
+obj-$(CONFIG_CPU_4KSD)		+= dump_tlb.o
 
 EXTRA_AFLAGS := $(CFLAGS)
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/Makefile linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/Makefile
--- linux-2.6.14-rc2-mipscvs/arch/mips/Makefile	2005-09-15 10:53:10.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/Makefile	2005-10-04 09:25:21.000000000 +0200
@@ -237,6 +237,14 @@ cflags-$(CONFIG_CPU_R10000)	+= \
 			$(call set_gccflags,r10000,mips4,r8000,mips4,mips2) \
 			-Wa,--trap
 
+cflags-$(CONFIG_CPU_4KSC)	+= \
+			$(call set_gccflags,4kec,mips32r2,r4600,mips3,mips2) \
+			-msmartmips -Wa,--trap
+
+cflags-$(CONFIG_CPU_4KSD)	+= \
+			$(call set_gccflags,4kec,mips32r2,r4600,mips3,mips2) \
+			-msmartmips -Wa,--trap
+
 ifdef CONFIG_CPU_SB1
 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
 MODFLAGS	+= -msb1-pass1-workarounds
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/mm/cache.c linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/mm/cache.c
--- linux-2.6.14-rc2-mipscvs/arch/mips/mm/cache.c	2005-07-06 14:08:14.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/mm/cache.c	2005-10-04 09:46:56.000000000 +0200
@@ -120,7 +120,8 @@ void __init cpu_cache_init(void)
     defined(CONFIG_CPU_NEVADA) || defined(CONFIG_CPU_R5432)  || \
     defined(CONFIG_CPU_R5500)  || defined(CONFIG_CPU_MIPS32_R1) || \
     defined(CONFIG_CPU_MIPS64_R1) || defined(CONFIG_CPU_TX49XX) || \
-    defined(CONFIG_CPU_RM7000) || defined(CONFIG_CPU_RM9000)
+    defined(CONFIG_CPU_RM7000) || defined(CONFIG_CPU_RM9000) || \
+    defined(CONFIG_CPU_4KSC)   || defined(CONFIG_CPU_4KSD)
 		ld_mmu_r4xx0();
 #endif
 	} else switch (current_cpu_data.cputype) {
diff -Nurp linux-2.6.14-rc2-mipscvs/arch/mips/mm/Makefile linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/mm/Makefile
--- linux-2.6.14-rc2-mipscvs/arch/mips/mm/Makefile	2005-07-14 14:05:06.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/arch/mips/mm/Makefile	2005-10-04 09:45:17.000000000 +0200
@@ -26,6 +26,8 @@ obj-$(CONFIG_CPU_SB1)		+= c-sb1.o cerr-s
 obj-$(CONFIG_CPU_TX39XX)	+= c-tx39.o pg-r4k.o tlb-r3k.o
 obj-$(CONFIG_CPU_TX49XX)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_VR41XX)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_4KSC)		+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_4KSD)		+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 
 obj-$(CONFIG_IP22_CPU_SCACHE)	+= sc-ip22.o
 obj-$(CONFIG_R5000_CPU_SCACHE)  += sc-r5k.o
diff -Nurp linux-2.6.14-rc2-mipscvs/include/asm-mips/module.h linux-2.6.14-rc2-mipscvs-4KSx/include/asm-mips/module.h
--- linux-2.6.14-rc2-mipscvs/include/asm-mips/module.h	2005-09-14 12:35:37.000000000 +0200
+++ linux-2.6.14-rc2-mipscvs-4KSx/include/asm-mips/module.h	2005-10-04 09:55:34.000000000 +0200
@@ -113,7 +113,11 @@ search_module_dbetables(unsigned long ad
 #define MODULE_PROC_FAMILY "RM9000"
 #elif defined CONFIG_CPU_SB1
 #define MODULE_PROC_FAMILY "SB1"
-#elif
+#elif defined CONFIG_CPU_4KSC
+#define MODULE_PROC_FAMILY "4KSC"
+#elif defined CONFIG_CPU_4KSD
+#define MODULE_PROC_FAMILY "4KSD"
+#else
 #error MODULE_PROC_FAMILY undefined for your processor configuration
 #endif