diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0097a0d53b3b..e380a8322a94 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -958,7 +958,7 @@ config SOC_PNX8550
 	bool
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
-	select SYS_HAS_CPU_R4X00
+	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
 
 config SWAP_IO_SPACE
diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig
index 95f84d711912..555837e4c06f 100644
--- a/arch/mips/configs/pnx8550-jbs_defconfig
+++ b/arch/mips/configs/pnx8550-jbs_defconfig
@@ -129,7 +129,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
-# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
 # CONFIG_CPU_MIPS64_R2 is not set
@@ -137,7 +137,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 # CONFIG_CPU_TX39XX is not set
 # CONFIG_CPU_VR41XX is not set
 # CONFIG_CPU_R4300 is not set
-CONFIG_CPU_R4X00=y
+# CONFIG_CPU_R4X00 is not set
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
@@ -148,10 +148,11 @@ CONFIG_CPU_R4X00=y
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
-CONFIG_SYS_HAS_CPU_R4X00=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPSR1=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
 
 #
 # Kernel type
@@ -162,11 +163,11 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig
index deb24c29ac0a..05e65206a7b4 100644
--- a/arch/mips/configs/pnx8550-v2pci_defconfig
+++ b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -128,7 +128,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
-# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
 # CONFIG_CPU_MIPS64_R2 is not set
@@ -136,7 +136,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 # CONFIG_CPU_TX39XX is not set
 # CONFIG_CPU_VR41XX is not set
 # CONFIG_CPU_R4300 is not set
-CONFIG_CPU_R4X00=y
+# CONFIG_CPU_R4X00 is not set
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
@@ -147,10 +147,11 @@ CONFIG_CPU_R4X00=y
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
-CONFIG_SYS_HAS_CPU_R4X00=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPSR1=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
 
 #
 # Kernel type
@@ -161,6 +162,7 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_64BIT_PHYS_ADDR is not set
 CONFIG_CPU_ADVANCED=y