diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 623ec66a84..b974e8ff07 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,6 +4,10 @@ menu "MIPS architecture"
 config SYS_ARCH
 	default "mips"
 
+config SYS_CPU
+	default "mips32" if CPU_MIPS32_R1 || CPU_MIPS32_R2
+	default "mips64" if CPU_MIPS64_R1 || CPU_MIPS64_R2
+
 config USE_PRIVATE_LIBGCC
 	default y
 
diff --git a/board/dbau1x00/Kconfig b/board/dbau1x00/Kconfig
index 1a8946d06c..3e3cb77352 100644
--- a/board/dbau1x00/Kconfig
+++ b/board/dbau1x00/Kconfig
@@ -1,8 +1,5 @@
 if TARGET_DBAU1X00
 
-config SYS_CPU
-	default "mips32"
-
 config SYS_BOARD
 	default "dbau1x00"
 
diff --git a/board/imgtec/malta/Kconfig b/board/imgtec/malta/Kconfig
index 401962c4bd..4c06d0c0d8 100644
--- a/board/imgtec/malta/Kconfig
+++ b/board/imgtec/malta/Kconfig
@@ -1,8 +1,5 @@
 if TARGET_MALTA
 
-config SYS_CPU
-	default "mips32"
-
 config SYS_BOARD
 	default "malta"
 
diff --git a/board/micronas/vct/Kconfig b/board/micronas/vct/Kconfig
index 75046fe7ab..7c69453d1b 100644
--- a/board/micronas/vct/Kconfig
+++ b/board/micronas/vct/Kconfig
@@ -1,8 +1,5 @@
 if TARGET_VCT
 
-config SYS_CPU
-	default "mips32"
-
 config SYS_BOARD
 	default "vct"
 
diff --git a/board/pb1x00/Kconfig b/board/pb1x00/Kconfig
index ef2844a497..251db6ab63 100644
--- a/board/pb1x00/Kconfig
+++ b/board/pb1x00/Kconfig
@@ -1,8 +1,5 @@
 if TARGET_PB1X00
 
-config SYS_CPU
-	default "mips32"
-
 config SYS_BOARD
 	default "pb1x00"
 
diff --git a/board/qemu-mips/Kconfig b/board/qemu-mips/Kconfig
index e4d9663c2d..394534fcc5 100644
--- a/board/qemu-mips/Kconfig
+++ b/board/qemu-mips/Kconfig
@@ -1,8 +1,5 @@
 if TARGET_QEMU_MIPS
 
-config SYS_CPU
-	default "mips32"
-
 config SYS_BOARD
 	default "qemu-mips"