--- /dev/null
+--- a/arch/mips/include/asm/mips-cm.h
++++ b/arch/mips/include/asm/mips-cm.h
+@@ -270,8 +270,8 @@ BUILD_CM_Cx_R_(tcid_8_priority, 0x80)
+ #define CM_GCR_GIC_BASE_GICEN_MSK (_ULCAST_(0x1) << 0)
+
+ /* GCR_CPC_BASE register fields */
+-#define CM_GCR_CPC_BASE_CPCBASE_SHF 17
+-#define CM_GCR_CPC_BASE_CPCBASE_MSK (_ULCAST_(0x7fff) << 17)
++#define CM_GCR_CPC_BASE_CPCBASE_SHF 15
++#define CM_GCR_CPC_BASE_CPCBASE_MSK (_ULCAST_(0x1ffff) << 15)
+ #define CM_GCR_CPC_BASE_CPCEN_SHF 0
+ #define CM_GCR_CPC_BASE_CPCEN_MSK (_ULCAST_(0x1) << 0)
+