diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 59b46feb37b1..7773b8e0de1e 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -118,6 +118,7 @@
 #define PRID_IMP_INTERAPTIV_MP	0xa100
 #define PRID_IMP_PROAPTIV_UP	0xa200
 #define PRID_IMP_PROAPTIV_MP	0xa300
+#define PRID_IMP_P6600		0xa400
 #define PRID_IMP_M5150		0xa700
 #define PRID_IMP_P5600		0xa800
 #define PRID_IMP_I6400		0xa900
@@ -310,7 +311,7 @@ enum cpu_type_enum {
 	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
 	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
 	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K,
-	CPU_M5150, CPU_I6400,
+	CPU_M5150, CPU_I6400, CPU_P6600,
 
 	/*
 	 * MIPS64 class processors