diff --git a/target/linux/atheros/patches-2.6.30/100-board.patch b/target/linux/atheros/patches-2.6.30/100-board.patch
index 052e887d2..c063fa348 100644
--- a/target/linux/atheros/patches-2.6.30/100-board.patch
+++ b/target/linux/atheros/patches-2.6.30/100-board.patch
@@ -20,7 +20,7 @@
  config MIPS_COBALT
  	bool "Cobalt Server"
  	select CEVT_R4K
-@@ -632,6 +645,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
+@@ -633,6 +646,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
  
  endchoice
  
@@ -30,7 +30,7 @@
  source "arch/mips/jazz/Kconfig"
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -290,6 +290,13 @@ libs-$(CONFIG_MIPS_XXS1500)	+= arch/mips
+@@ -283,6 +283,13 @@ libs-$(CONFIG_MIPS_XXS1500)	+= arch/mips
  load-$(CONFIG_MIPS_XXS1500)	+= 0xffffffff80100000
  
  #
diff --git a/target/linux/generic-2.6/patches-2.6.28/025-mips_r4k_no_prefetch.patch b/target/linux/generic-2.6/patches-2.6.28/025-mips_r4k_no_prefetch.patch
new file mode 100644
index 000000000..6e26062b4
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/025-mips_r4k_no_prefetch.patch
@@ -0,0 +1,10 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -991,7 +991,6 @@ config CPU_MIPS32_R1
+ 	bool "MIPS32 Release 1"
+ 	depends on SYS_HAS_CPU_MIPS32_R1
+ 	select CPU_HAS_LLSC
+-	select CPU_HAS_PREFETCH
+ 	select CPU_SUPPORTS_32BIT_KERNEL
+ 	select CPU_SUPPORTS_HIGHMEM
+ 	help
diff --git a/target/linux/generic-2.6/patches-2.6.30/026-mips_r4k_no_prefetch.patch b/target/linux/generic-2.6/patches-2.6.30/026-mips_r4k_no_prefetch.patch
new file mode 100644
index 000000000..e2fb97e38
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.30/026-mips_r4k_no_prefetch.patch
@@ -0,0 +1,10 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -1036,7 +1036,6 @@ config CPU_MIPS32_R1
+ 	bool "MIPS32 Release 1"
+ 	depends on SYS_HAS_CPU_MIPS32_R1
+ 	select CPU_HAS_LLSC
+-	select CPU_HAS_PREFETCH
+ 	select CPU_SUPPORTS_32BIT_KERNEL
+ 	select CPU_SUPPORTS_HIGHMEM
+ 	help