[PATCH] mips: clean up 32/64-bit configuration

Start cleaning 32-bit vs. 64-bit configuration.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 77ba9ff..d892a23 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,27 +4,38 @@
 	# Horrible source of confusion.  Die, die, die ...
 	select EMBEDDED
 
-config MIPS64
-	bool "64-bit kernel"
-	help
-	  Select this option if you want to build a 64-bit kernel.  You should
-	  only select this option if you have hardware that actually has a
-	  64-bit processor and if your application will actually benefit from
-	  64-bit processing, otherwise say N.  You must say Y for kernels for
-	  SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2).  If in doubt say N.
-
-config 64BIT
-	def_bool MIPS64
-
-config MIPS32
-	bool
-	depends on MIPS64 = 'n'
-	default y
-
 mainmenu "Linux/MIPS Kernel Configuration"
 
 source "init/Kconfig"
 
+menu "Kernel type"
+
+choice
+
+	prompt "Kernel code model"
+	help
+	  You should only select this option if you have a workload that
+	  actually benefits from 64-bit processing or if your machine has
+	  large memory.  You will only be presented a single option in this
+	  menu if your system does not support both 32-bit and 64-bit kernels.
+
+config 32BIT
+	bool "32-bit kernel"
+	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
+	select TRAD_SIGNALS
+	help
+	  Select this option if you want to build a 32-bit kernel.
+
+config 64BIT
+	bool "64-bit kernel"
+	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
+	help
+	  Select this option if you want to build a 64-bit kernel.
+
+endchoice
+
+endmenu
+
 menu "Machine selection"
 
 config MACH_JAZZ
@@ -155,7 +166,7 @@
 
 config TOSHIBA_JMR3927
 	bool "Support for Toshiba JMR-TX3927 board"
-	depends on MIPS32
+	depends on 32BIT
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select SWAP_IO_SPACE
@@ -173,7 +184,7 @@
 	select BOOT_ELF32
 	select DMA_NONCOHERENT
 	select IRQ_CPU
-	depends on MIPS32 || EXPERIMENTAL
+	depends on 32BIT || EXPERIMENTAL
 	---help---
 	  This enables support for DEC's MIPS based workstations.  For details
 	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
@@ -480,7 +491,7 @@
 
 config SGI_IP27
 	bool "Support for SGI IP27 (Origin200/2000)"
-	depends on MIPS64
+	depends on 64BIT
 	select ARC
 	select ARC64
 	select DMA_IP27
@@ -548,7 +559,7 @@
 
 config SGI_IP32
 	bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
-	depends on MIPS64 && EXPERIMENTAL
+	depends on 64BIT && EXPERIMENTAL
 	select ARC
 	select ARC32
 	select BOOT_ELF32
@@ -562,7 +573,7 @@
 	  If you want this kernel to run on SGI O2 workstation, say Y here.
 
 config SOC_AU1X00
-	depends on MIPS32
+	depends on 32BIT
 	bool "Support for AMD/Alchemy Au1X00 SOCs"
 
 choice
@@ -902,7 +913,7 @@
 
 config TOSHIBA_RBTX4927
 	bool "Support for Toshiba TBTX49[23]7 board"
-	depends on MIPS32
+	depends on 32BIT
 	select DMA_NONCOHERENT
 	select HAS_TXX9_SERIAL
 	select HW_HAS_PCI
@@ -1171,7 +1182,7 @@
 
 config CPU_TX39XX
 	bool "R39XX"
-	depends on MIPS32
+	depends on 32BIT
 
 config CPU_VR41XX
 	bool "R41xx"
@@ -1205,7 +1216,7 @@
 
 config CPU_R6000
 	bool "R6000"
-	depends on MIPS32 && EXPERIMENTAL
+	depends on 32BIT && EXPERIMENTAL
 	help
 	  MIPS Technologies R6000 and R6000A series processors.  Note these
 	  processors are extremly rare and the support for them is incomplete.
@@ -1217,7 +1228,7 @@
 
 config CPU_R8000
 	bool "R8000"
-	depends on MIPS64 && EXPERIMENTAL
+	depends on 64BIT && EXPERIMENTAL
 	help
 	  MIPS Technologies R8000 processors.  Note these processors are
 	  uncommon and the support for them is incomplete.
@@ -1330,11 +1341,11 @@
 
 config 64BIT_PHYS_ADDR
 	bool "Support for 64-bit physical address space"
-	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
+	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
 
 config CPU_ADVANCED
 	bool "Override CPU Options"
-	depends on MIPS32
+	depends on 32BIT
 	help
 	  Saying yes here allows you to select support for various features
 	  your CPU may or may not have.  Most people should say N here.
@@ -1388,7 +1399,7 @@
 #
 config HIGHMEM
 	bool "High Memory Support"
-	depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
+	depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
 
 config ARCH_FLATMEM_ENABLE
 	def_bool y
@@ -1448,7 +1459,7 @@
 
 config MIPS_INSANE_LARGE
 	bool "Support for large 64-bit configurations"
-	depends on CPU_R10000 && MIPS64
+	depends on CPU_R10000 && 64BIT
 	help
 	  MIPS R10000 does support a 44 bit / 16TB address space as opposed to
 	  previous 64-bit processors which only supported 40 bit / 1TB. If you
@@ -1549,11 +1560,11 @@
 
 config TRAD_SIGNALS
 	bool
-	default y if MIPS32
+	default y if 32BIT
 
 config BUILD_ELF64
 	bool "Use 64-bit ELF format for building"
-	depends on MIPS64
+	depends on 64BIT
 	help
 	  A 64-bit kernel is usually built using the 64-bit ELF binary object
 	  format as it's one that allows arbitrary 64-bit constructs.  For
@@ -1568,11 +1579,11 @@
 
 config BINFMT_IRIX
 	bool "Include IRIX binary compatibility"
-	depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
+	depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
 
 config MIPS32_COMPAT
 	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
-	depends on MIPS64
+	depends on 64BIT
 	help
 	  Select this option if you want Linux/MIPS 32-bit binary
 	  compatibility. Since all software available for Linux/MIPS is
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7d1d7c9..a33328e 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -37,12 +37,12 @@
 64bit-emul		= elf64btsmip
 endif
 
-ifdef CONFIG_MIPS32
+ifdef CONFIG_32BIT
 gcc-abi			= 32
 tool-prefix		= $(32bit-tool-prefix)
 UTS_MACHINE		:= mips
 endif
-ifdef CONFIG_MIPS64
+ifdef CONFIG_64BIT
 gcc-abi			= 64
 tool-prefix		= $(64bit-tool-prefix)
 UTS_MACHINE		:= mips64
@@ -63,7 +63,7 @@
 vmlinux-32		= vmlinux
 vmlinux-64		= vmlinux.64
 
-cflags-$(CONFIG_MIPS64)	+= $(call cc-option,-mno-explicit-relocs)
+cflags-$(CONFIG_64BIT)	+= $(call cc-option,-mno-explicit-relocs)
 endif
 
 #
@@ -524,10 +524,10 @@
 #
 core-$(CONFIG_SGI_IP22)		+= arch/mips/sgi-ip22/
 cflags-$(CONFIG_SGI_IP22)	+= -Iinclude/asm-mips/mach-ip22
-ifdef CONFIG_MIPS32
+ifdef CONFIG_32BIT
 load-$(CONFIG_SGI_IP22)		+= 0xffffffff88002000
 endif
-ifdef CONFIG_MIPS64
+ifdef CONFIG_64BIT
 load-$(CONFIG_SGI_IP22)		+= 0xffffffff88004000
 endif
 
@@ -632,7 +632,7 @@
 cflags-y			+= -Iinclude/asm-mips/mach-generic
 drivers-$(CONFIG_PCI)		+= arch/mips/pci/
 
-ifdef CONFIG_MIPS32
+ifdef CONFIG_32BIT
 ifdef CONFIG_CPU_LITTLE_ENDIAN
 JIFFIES			= jiffies_64
 else
@@ -664,8 +664,8 @@
 head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
 
 libs-y			+= arch/mips/lib/
-libs-$(CONFIG_MIPS32)	+= arch/mips/lib-32/
-libs-$(CONFIG_MIPS64)	+= arch/mips/lib-64/
+libs-$(CONFIG_32BIT)	+= arch/mips/lib-32/
+libs-$(CONFIG_64BIT)	+= arch/mips/lib-64/
 
 core-y			+= arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/
 
diff --git a/arch/mips/configs/atlas_defconfig b/arch/mips/configs/atlas_defconfig
index caad7ca..4084ca3 100644
--- a/arch/mips/configs/atlas_defconfig
+++ b/arch/mips/configs/atlas_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:00 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/capcella_defconfig b/arch/mips/configs/capcella_defconfig
index 1b7f8a7..9abdcbc 100644
--- a/arch/mips/configs/capcella_defconfig
+++ b/arch/mips/configs/capcella_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:00 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
index 8861854..ddcfcfb 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:00 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig
index 19cac1b..05905df 100644
--- a/arch/mips/configs/db1000_defconfig
+++ b/arch/mips/configs/db1000_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:01 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig
index 035ac95..610ff73 100644
--- a/arch/mips/configs/db1100_defconfig
+++ b/arch/mips/configs/db1100_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:01 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/db1500_defconfig b/arch/mips/configs/db1500_defconfig
index c38c4ed..fed6f2f 100644
--- a/arch/mips/configs/db1500_defconfig
+++ b/arch/mips/configs/db1500_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:01 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/db1550_defconfig b/arch/mips/configs/db1550_defconfig
index ee81309..178c0ad 100644
--- a/arch/mips/configs/db1550_defconfig
+++ b/arch/mips/configs/db1550_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:02 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ddb5476_defconfig b/arch/mips/configs/ddb5476_defconfig
index d43ed57..345cc8b 100644
--- a/arch/mips/configs/ddb5476_defconfig
+++ b/arch/mips/configs/ddb5476_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:02 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig
index 5a032cd..4acb9e4 100644
--- a/arch/mips/configs/ddb5477_defconfig
+++ b/arch/mips/configs/ddb5477_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:02 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig
index 32ada79..27b21fb 100644
--- a/arch/mips/configs/decstation_defconfig
+++ b/arch/mips/configs/decstation_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:03 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig
index 52074a20..3812e5f 100644
--- a/arch/mips/configs/e55_defconfig
+++ b/arch/mips/configs/e55_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:03 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig
index 360e842..705cdbd 100644
--- a/arch/mips/configs/ev64120_defconfig
+++ b/arch/mips/configs/ev64120_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:03 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ev96100_defconfig b/arch/mips/configs/ev96100_defconfig
index 657a950..4c89dfe 100644
--- a/arch/mips/configs/ev96100_defconfig
+++ b/arch/mips/configs/ev96100_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:03 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index 3fb102e..2990802 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:04 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index b5bab3a..b2a67da 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -4,7 +4,7 @@
 # Wed Jan 26 02:49:04 2005
 #
 CONFIG_MIPS=y
-CONFIG_MIPS64=y
+CONFIG_64BIT=y
 CONFIG_64BIT=y
 
 #
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index bdf1415..2759162 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -4,7 +4,7 @@
 # Wed Jan 26 02:49:04 2005
 #
 CONFIG_MIPS=y
-CONFIG_MIPS64=y
+CONFIG_64BIT=y
 CONFIG_64BIT=y
 
 #
diff --git a/arch/mips/configs/it8172_defconfig b/arch/mips/configs/it8172_defconfig
index 1ca7746..09c83a0 100644
--- a/arch/mips/configs/it8172_defconfig
+++ b/arch/mips/configs/it8172_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:05 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ivr_defconfig b/arch/mips/configs/ivr_defconfig
index c6eef70..121d0c0 100644
--- a/arch/mips/configs/ivr_defconfig
+++ b/arch/mips/configs/ivr_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:05 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig
index 757c4e8..d4e19da 100644
--- a/arch/mips/configs/jaguar-atx_defconfig
+++ b/arch/mips/configs/jaguar-atx_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:05 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig
index e5a6139..c95e52a 100644
--- a/arch/mips/configs/jmr3927_defconfig
+++ b/arch/mips/configs/jmr3927_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:06 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig
index 1e76978..3b4d7e6 100644
--- a/arch/mips/configs/lasat200_defconfig
+++ b/arch/mips/configs/lasat200_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:06 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 61fb9fb..33e6bb6 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:53:14 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/mpc30x_defconfig b/arch/mips/configs/mpc30x_defconfig
index 31b8f2a..ed44a1a 100644
--- a/arch/mips/configs/mpc30x_defconfig
+++ b/arch/mips/configs/mpc30x_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:07 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig
index 2cce682..daa5b88 100644
--- a/arch/mips/configs/ocelot_3_defconfig
+++ b/arch/mips/configs/ocelot_3_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:07 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig
index 0cbf48a..bdefd4f 100644
--- a/arch/mips/configs/ocelot_c_defconfig
+++ b/arch/mips/configs/ocelot_c_defconfig
@@ -4,7 +4,7 @@
 # Wed Jan 26 02:49:07 2005
 #
 CONFIG_MIPS=y
-CONFIG_MIPS64=y
+CONFIG_64BIT=y
 CONFIG_64BIT=y
 
 #
diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig
index 4043950..7526b47 100644
--- a/arch/mips/configs/ocelot_defconfig
+++ b/arch/mips/configs/ocelot_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:08 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig
index 3870af4..f372508 100644
--- a/arch/mips/configs/ocelot_g_defconfig
+++ b/arch/mips/configs/ocelot_g_defconfig
@@ -4,7 +4,7 @@
 # Wed Jan 26 02:49:08 2005
 #
 CONFIG_MIPS=y
-CONFIG_MIPS64=y
+CONFIG_64BIT=y
 CONFIG_64BIT=y
 
 #
diff --git a/arch/mips/configs/pb1100_defconfig b/arch/mips/configs/pb1100_defconfig
index 6cdabd5..b7b9578 100644
--- a/arch/mips/configs/pb1100_defconfig
+++ b/arch/mips/configs/pb1100_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:08 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/pb1500_defconfig b/arch/mips/configs/pb1500_defconfig
index 2aebbd2..49e52834 100644
--- a/arch/mips/configs/pb1500_defconfig
+++ b/arch/mips/configs/pb1500_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:09 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/pb1550_defconfig b/arch/mips/configs/pb1550_defconfig
index 9e21edc..8e42677 100644
--- a/arch/mips/configs/pb1550_defconfig
+++ b/arch/mips/configs/pb1550_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:09 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index d0c85a4..021cfe3 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:09 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig
index 84978b7..1dc935f3 100644
--- a/arch/mips/configs/sb1250-swarm_defconfig
+++ b/arch/mips/configs/sb1250-swarm_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:10 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/sead_defconfig b/arch/mips/configs/sead_defconfig
index 7c718a4..4d2fde8 100644
--- a/arch/mips/configs/sead_defconfig
+++ b/arch/mips/configs/sead_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:10 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig
index e01727c..53e3d4a 100644
--- a/arch/mips/configs/tb0226_defconfig
+++ b/arch/mips/configs/tb0226_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:12 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/tb0229_defconfig b/arch/mips/configs/tb0229_defconfig
index c6ba3de2..0fe7f50 100644
--- a/arch/mips/configs/tb0229_defconfig
+++ b/arch/mips/configs/tb0229_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:12 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig
index 915c43b..d793616 100644
--- a/arch/mips/configs/workpad_defconfig
+++ b/arch/mips/configs/workpad_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:12 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig
index 562f2b8..6d22907 100644
--- a/arch/mips/configs/yosemite_defconfig
+++ b/arch/mips/configs/yosemite_defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:49:13 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index 3b37909..c89768d 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -133,7 +133,7 @@
 		 */
 		mfc0	t0,CP0_CAUSE		# get pending interrupts
 		mfc0	t1,CP0_STATUS
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 		lw	t2,cpu_fpu_mask
 #endif
 		andi	t0,ST0_IM		# CAUSE.CE may be non-zero!
@@ -141,7 +141,7 @@
 
 		beqz	t0,spurious
 
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 		 and	t2,t0
 		bnez	t2,fpu			# handle FPU immediately
 #endif
@@ -271,7 +271,7 @@
 		j	ret_from_irq
 		 nop
 
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 fpu:
 		j	handle_fpe_int
 		 nop
diff --git a/arch/mips/dec/prom/Makefile b/arch/mips/dec/prom/Makefile
index 373822e..bcd0247 100644
--- a/arch/mips/dec/prom/Makefile
+++ b/arch/mips/dec/prom/Makefile
@@ -5,7 +5,7 @@
 
 lib-y			+= init.o memory.o cmdline.o identify.o console.o
 
-lib-$(CONFIG_MIPS32)	+= locore.o
-lib-$(CONFIG_MIPS64)	+= call_o32.o
+lib-$(CONFIG_32BIT)	+= locore.o
+lib-$(CONFIG_64BIT)	+= call_o32.o
 
 EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/defconfig b/arch/mips/defconfig
index d55fe66..2081583 100644
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -4,9 +4,9 @@
 # Wed Jan 26 02:48:59 2005
 #
 CONFIG_MIPS=y
-# CONFIG_MIPS64 is not set
 # CONFIG_64BIT is not set
-CONFIG_MIPS32=y
+# CONFIG_64BIT is not set
+CONFIG_32BIT=y
 
 #
 # Code maturity level options
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index a0230ee..d330358 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -13,8 +13,8 @@
 
 ifdef CONFIG_MODULES
 obj-y				+= mips_ksyms.o module.o
-obj-$(CONFIG_MIPS32)		+= module-elf32.o
-obj-$(CONFIG_MIPS64)		+= module-elf64.o
+obj-$(CONFIG_32BIT)		+= module-elf32.o
+obj-$(CONFIG_64BIT)		+= module-elf64.o
 endif
 
 obj-$(CONFIG_CPU_R3000)		+= r2300_fpu.o r2300_switch.o
@@ -45,8 +45,8 @@
 obj-$(CONFIG_IRQ_CPU_RM9K)	+= irq-rm9000.o
 obj-$(CONFIG_IRQ_MV64340)	+= irq-mv6434x.o
 
-obj-$(CONFIG_MIPS32)		+= scall32-o32.o
-obj-$(CONFIG_MIPS64)		+= scall64-64.o
+obj-$(CONFIG_32BIT)		+= scall32-o32.o
+obj-$(CONFIG_64BIT)		+= scall64-64.o
 obj-$(CONFIG_BINFMT_IRIX)	+= binfmt_irix.o
 obj-$(CONFIG_MIPS32_COMPAT)	+= ioctl32.o linux32.o signal32.o
 obj-$(CONFIG_MIPS32_N32)	+= binfmt_elfn32.o scall64-n32.o signal_n32.o
@@ -55,7 +55,7 @@
 obj-$(CONFIG_KGDB)		+= gdb-low.o gdb-stub.o
 obj-$(CONFIG_PROC_FS)		+= proc.o
 
-obj-$(CONFIG_MIPS64)		+= cpu-bugs64.o
+obj-$(CONFIG_64BIT)		+= cpu-bugs64.o
 
 obj-$(CONFIG_GEN_RTC)		+= genrtc.o
 
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S
index ece6dda..512bedb 100644
--- a/arch/mips/kernel/gdb-low.S
+++ b/arch/mips/kernel/gdb-low.S
@@ -13,13 +13,13 @@
 #include <asm/stackframe.h>
 #include <asm/gdb-stub.h>
 
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 #define DMFC0	mfc0
 #define DMTC0	mtc0
 #define LDC1	lwc1
 #define SDC1	lwc1
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 #define DMFC0	dmfc0
 #define DMTC0	dmtc0
 #define LDC1	ldc1
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index a5b0a38..3a1a3e7 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -54,7 +54,7 @@
 #endif
 	mfc0	k1, CP0_CAUSE
 	andi	k1, k1, 0x7c
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	dsll	k1, k1, 1
 #endif
 	PTR_L	k0, exception_handlers(k1)
@@ -81,7 +81,7 @@
 	beq	k1, k0, handle_vced
 	 li	k0, 14<<2
 	beq	k1, k0, handle_vcei
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	dsll	k1, k1, 1
 #endif
 	.set	pop
@@ -244,10 +244,10 @@
 	   start with an n and gas will believe \n is ok ...  */
 	.macro	__BUILD_verbose	nexception
 	LONG_L	a1, PT_EPC(sp)
-#if CONFIG_MIPS32
+#if CONFIG_32BIT
 	PRINT("Got \nexception at %08lx\012")
 #endif	
-#if CONFIG_MIPS64
+#if CONFIG_64BIT
 	PRINT("Got \nexception at %016lx\012")
 #endif	
 	.endm
@@ -293,7 +293,7 @@
 	BUILD_HANDLER mcheck mcheck cli verbose		/* #24 */
 	BUILD_HANDLER reserved reserved sti verbose	/* others */
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 /* A temporary overflow handler used by check_daddi(). */
 
 	__INIT
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index a64e87d2..2a1b45d 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -107,7 +107,7 @@
 	.endm
 
 	.macro	setup_c0_status_pri
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	setup_c0_status ST0_KX 0
 #else
 	setup_c0_status 0 0
@@ -115,7 +115,7 @@
 	.endm
 
 	.macro	setup_c0_status_sec
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	setup_c0_status ST0_KX ST0_BEV
 #else
 	setup_c0_status 0 ST0_BEV
@@ -215,7 +215,7 @@
 	 * slightly different layout ...
 	 */
 	page	swapper_pg_dir, _PGD_ORDER
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	page	invalid_pmd_table, _PMD_ORDER
 #endif
 	page	invalid_pte_table, _PTE_ORDER
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index eed29fc..86e42c6 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -35,7 +35,7 @@
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(strcat);
 EXPORT_SYMBOL(strchr);
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 EXPORT_SYMBOL(strncmp);
 #endif
 EXPORT_SYMBOL(strlen);
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 6e70c42..e4f2f80 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -70,7 +70,7 @@
 
 	/* New thread loses kernel privileges. */
 	status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|KU_MASK);
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	status &= ~ST0_FR;
 	status |= (current->thread.mflags & MF_32BIT_REGS) ? 0 : ST0_FR;
 #endif
@@ -236,10 +236,10 @@
 			break;
 
 		if (
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 		    ip->i_format.opcode == sw_op &&
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		    ip->i_format.opcode == sd_op &&
 #endif
 		    ip->i_format.rs == 29)
@@ -353,7 +353,7 @@
 
 out:
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	if (current->thread.mflags & MF_32BIT_REGS) /* Kludge for 32-bit ps  */
 		pc &= 0xffffffffUL;
 #endif
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 92e70ca..0b571a5 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -124,7 +124,7 @@
 			if (tsk_used_math(child)) {
 				fpureg_t *fregs = get_fpu_regs(child);
 
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 				/*
 				 * The odd registers are actually the high
 				 * order bits of the values stored in the even
@@ -135,7 +135,7 @@
 				else
 					tmp = (unsigned long) (fregs[(addr - 32)] & 0xffffffff);
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 				tmp = fregs[addr - FPR_BASE];
 #endif
 			} else {
@@ -213,7 +213,7 @@
 				       sizeof(child->thread.fpu.hard));
 				child->thread.fpu.hard.fcr31 = 0;
 			}
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 			/*
 			 * The odd registers are actually the high order bits
 			 * of the values stored in the even registers - unless
@@ -227,7 +227,7 @@
 				fregs[addr - FPR_BASE] |= data;
 			}
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 			fregs[addr - FPR_BASE] = data;
 #endif
 			break;
@@ -304,14 +304,14 @@
 static inline int audit_arch(void)
 {
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	if (!(current->thread.mflags & MF_32BIT_REGS))
 		return AUDIT_ARCH_MIPSEL64;
 #endif /* MIPS64 */
 	return AUDIT_ARCH_MIPSEL;
 
 #else /* big endian... */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	if (!(current->thread.mflags & MF_32BIT_REGS))
 		return AUDIT_ARCH_MIPS64;
 #endif /* MIPS64 */
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
index ebb643d..aba665b 100644
--- a/arch/mips/kernel/r4k_fpu.S
+++ b/arch/mips/kernel/r4k_fpu.S
@@ -36,7 +36,7 @@
 LEAF(_save_fp_context)
 	cfc1	t1, fcr31
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	/* Store the 16 odd double precision registers */
 	EX	sdc1 $f1, SC_FPREGS+8(a0)
 	EX	sdc1 $f3, SC_FPREGS+24(a0)
@@ -118,7 +118,7 @@
  */
 LEAF(_restore_fp_context)
 	EX	lw t0, SC_FPC_CSR(a0)
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	EX	ldc1 $f1, SC_FPREGS+8(a0)
 	EX	ldc1 $f3, SC_FPREGS+24(a0)
 	EX	ldc1 $f5, SC_FPREGS+40(a0)
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index 1fc3b2e..175dd1f 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -105,7 +105,7 @@
  * Save a thread's fp context.
  */
 LEAF(_save_fp)
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	mfc0	t1, CP0_STATUS
 #endif
 	fpu_save_double a0 t1 t0 t2		# clobbers t1
@@ -142,7 +142,7 @@
 
 	li	t1, -1				# SNaN
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	sll	t0, t0, 5
 	bgez	t0, 1f				# 16 / 32 register mode?
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 3a240e3..12b531c 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -241,7 +241,7 @@
 	if (*tmp)
 		strcat(command_line, tmp);
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	/* HACK: Guess if the sign extension was forgotten */
 	if (start > 0x0000000080000000 && start < 0x00000000ffffffff)
 		start |= 0xffffffff00000000;
@@ -446,7 +446,7 @@
 {
 	int i;
 
-#if defined(CONFIG_MIPS64) && !defined(CONFIG_BUILD_ELF64)
+#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
 	/*
 	 * The 64bit code in 32bit object format trick can't represent
 	 * 64bit wide relocations for linker script symbols.
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 56c36e4..a53b1ed 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -924,7 +924,7 @@
 	 * flag that some firmware may have left set and the TS bit (for
 	 * IP27).  Set XX for ISA IV code to work.
 	 */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	status_set |= ST0_FR|ST0_KX|ST0_SX|ST0_UX;
 #endif
 	if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index 3f24a1d..36c5212 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -240,7 +240,7 @@
 		break;
 
 	case lwu_op:
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		/*
 		 * A 32-bit kernel might be running on a 64-bit processor.  But
 		 * if we're on a 32-bit processor and an i-cache incoherency
@@ -278,13 +278,13 @@
 		*newvalue = value;
 		*regptr = &regs->regs[insn.i_format.rt];
 		break;
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 		/* Cannot handle 64-bit instructions in 32-bit kernel */
 		goto sigill;
 
 	case ld_op:
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		/*
 		 * A 32-bit kernel might be running on a 64-bit processor.  But
 		 * if we're on a 32-bit processor and an i-cache incoherency
@@ -320,7 +320,7 @@
 		*newvalue = value;
 		*regptr = &regs->regs[insn.i_format.rt];
 		break;
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 		/* Cannot handle 64-bit instructions in 32-bit kernel */
 		goto sigill;
@@ -392,7 +392,7 @@
 		break;
 
 	case sd_op:
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		/*
 		 * A 32-bit kernel might be running on a 64-bit processor.  But
 		 * if we're on a 32-bit processor and an i-cache incoherency
@@ -428,7 +428,7 @@
 		if (res)
 			goto fault;
 		break;
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 		/* Cannot handle 64-bit instructions in 32-bit kernel */
 		goto sigill;
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index afa8eae..00d73be 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -79,7 +79,7 @@
 /*
  * Only on the 64-bit kernel we can made use of 64-bit registers.
  */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 #define USE_DOUBLE
 #endif
 
diff --git a/arch/mips/math-emu/kernel_linkage.c b/arch/mips/math-emu/kernel_linkage.c
index 04397fec..4002f0c 100644
--- a/arch/mips/math-emu/kernel_linkage.c
+++ b/arch/mips/math-emu/kernel_linkage.c
@@ -86,7 +86,7 @@
 	return err;
 }
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 /*
  * This is the o32 version
  */
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index f61e038..b56a0ab 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -5,8 +5,8 @@
 obj-y				+= cache.o extable.o fault.o init.o pgtable.o \
 				   tlbex.o tlbex-fault.o
 
-obj-$(CONFIG_MIPS32)		+= ioremap.o pgtable-32.o
-obj-$(CONFIG_MIPS64)		+= pgtable-64.o
+obj-$(CONFIG_32BIT)		+= ioremap.o pgtable-32.o
+obj-$(CONFIG_64BIT)		+= pgtable-64.o
 obj-$(CONFIG_HIGHMEM)		+= highmem.o
 
 obj-$(CONFIG_CPU_MIPS32)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index a03ebb2..20d4072 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -723,10 +723,10 @@
 			".set push\n\t"
 			".set noat\n\t"
 			".set mips3\n\t"
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 			"la	$at,1f\n\t"
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 			"dla	$at,1f\n\t"
 #endif
 			"cache	%0,($at)\n\t"
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 9c9a271..dc6830b 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -96,7 +96,7 @@
 	kmap_prot = PAGE_KERNEL;
 }
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 static void __init fixrange_init(unsigned long start, unsigned long end,
 	pgd_t *pgd_base)
 {
@@ -125,7 +125,7 @@
 		j = 0;
 	}
 }
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 #endif /* CONFIG_HIGHMEM */
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
@@ -258,7 +258,7 @@
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	/* Switch from KSEG0 to XKPHYS addresses */
 	start = (unsigned long)phys_to_virt(CPHYSADDR(start));
 	end = (unsigned long)phys_to_virt(CPHYSADDR(end));
@@ -286,7 +286,7 @@
 
 	addr = (unsigned long) &__init_begin;
 	while (addr < (unsigned long) &__init_end) {
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		page = PAGE_OFFSET | CPHYSADDR(addr);
 #else
 		page = addr;
diff --git a/arch/mips/mm/pg-sb1.c b/arch/mips/mm/pg-sb1.c
index 59d131b..b63e1ca 100644
--- a/arch/mips/mm/pg-sb1.c
+++ b/arch/mips/mm/pg-sb1.c
@@ -114,7 +114,7 @@
 	"	pref	" SB1_PREF_STORE_STREAMED_HINT ",  -64(%1)\n"
 	"	pref	" SB1_PREF_LOAD_STREAMED_HINT  ",  -32(%0)\n"
 	"1:	pref	" SB1_PREF_STORE_STREAMED_HINT ",  -32(%1)\n"
-# ifdef CONFIG_MIPS64
+# ifdef CONFIG_64BIT
 	"	ld	$8, -128(%0)	\n"  /* Block copy a cacheline */
 	"	ld	$9, -120(%0)	\n"
 	"	ld	$10, -112(%0)	\n"
@@ -148,7 +148,7 @@
 	"	daddiu	%0, %0, -128	\n"
 	"	daddiu	%1, %1, -128	\n"
 #endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	"	ld	$8, 0(%0)	\n"  /* Block copy a cacheline */
 	"1:	ld	$9, 8(%0)	\n"
 	"	ld	$10, 16(%0)	\n"
@@ -178,7 +178,7 @@
 	"	daddiu	%0, %0, 32	\n"
 	"	daddiu	%1, %1, 32	\n"
 	"	bnel	%0, %2, 1b	\n"
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	"	 ld	$8, 0(%0)	\n"
 #else
 	"	 lw	$2, 0(%0)	\n"
@@ -186,7 +186,7 @@
 	"	.set	pop		\n"
 	: "+r" (src), "+r" (dst)
 	: "r" (end)
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	: "$8","$9","$10","$11","memory");
 #else
 	: "$2","$3","$6","$7","$8","$9","$10","$11","memory");
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 87e229f..592377f 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -448,7 +448,7 @@
 L_LA(_r3000_write_probe_ok)
 
 /* convenience macros for instructions */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 # define i_LW(buf, rs, rt, off) i_ld(buf, rs, rt, off)
 # define i_SW(buf, rs, rt, off) i_sd(buf, rs, rt, off)
 # define i_SLL(buf, rs, rt, sh) i_dsll(buf, rs, rt, sh)
@@ -486,7 +486,7 @@
 #define i_ssnop(buf) i_sll(buf, 0, 0, 1)
 #define i_ehb(buf) i_sll(buf, 0, 0, 3)
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 static __init int __attribute__((unused)) in_compat_space_p(long addr)
 {
 	/* Is this address in 32bit compat space? */
@@ -516,7 +516,7 @@
 
 static __init void i_LA_mostly(u32 **buf, unsigned int rs, long addr)
 {
-#if CONFIG_MIPS64
+#if CONFIG_64BIT
 	if (!in_compat_space_p(addr)) {
 		i_lui(buf, rs, rel_highest(addr));
 		if (rel_higher(addr))
@@ -682,7 +682,7 @@
 #define C0_EPC		14
 #define C0_XCONTEXT	20
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 # define GET_CONTEXT(buf, reg) i_MFC0(buf, reg, C0_XCONTEXT)
 #else
 # define GET_CONTEXT(buf, reg) i_MFC0(buf, reg, C0_CONTEXT)
@@ -923,7 +923,7 @@
 	}
 }
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 /*
  * TMP and PTR are scratch.
  * TMP will be clobbered, PTR will hold the pmd entry.
@@ -1010,7 +1010,7 @@
 	}
 }
 
-#else /* !CONFIG_MIPS64 */
+#else /* !CONFIG_64BIT */
 
 /*
  * TMP and PTR are scratch.
@@ -1038,7 +1038,7 @@
 	i_addu(p, ptr, ptr, tmp); /* add in pgd offset */
 }
 
-#endif /* !CONFIG_MIPS64 */
+#endif /* !CONFIG_64BIT */
 
 static __init void build_adjust_context(u32 **p, unsigned int ctx)
 {
@@ -1159,7 +1159,7 @@
 		/* No need for i_nop */
 	}
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */
 #else
 	build_get_pgde32(&p, K0, K1); /* get pgd in K1 */
@@ -1171,7 +1171,7 @@
 	l_leave(&l, p);
 	i_eret(&p); /* return from trap */
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	build_get_pgd_vmalloc64(&p, &l, &r, K0, K1);
 #endif
 
@@ -1182,7 +1182,7 @@
 	 * need three, with the the second nop'ed and the third being
 	 * unused.
 	 */
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 	if ((p - tlb_handler) > 64)
 		panic("TLB refill handler space exceeded");
 #else
@@ -1195,12 +1195,12 @@
 	/*
 	 * Now fold the handler in the TLB refill handler space.
 	 */
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 	f = final_handler;
 	/* Simplest case, just copy the handler. */
 	copy_handler(relocs, labels, tlb_handler, p, f);
 	final_len = p - tlb_handler;
-#else /* CONFIG_MIPS64 */
+#else /* CONFIG_64BIT */
 	f = final_handler + 32;
 	if ((p - tlb_handler) <= 32) {
 		/* Just copy the handler. */
@@ -1235,7 +1235,7 @@
 		copy_handler(relocs, labels, split, p, final_handler);
 		final_len = (f - (final_handler + 32)) + (p - split);
 	}
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 	resolve_relocs(relocs, labels);
 	printk("Synthesized TLB refill handler (%u instructions).\n",
@@ -1605,7 +1605,7 @@
 				   struct reloc **r, unsigned int pte,
 				   unsigned int ptr)
 {
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	build_get_pmde64(p, l, r, pte, ptr); /* get pmd in ptr */
 #else
 	build_get_pgde32(p, pte, ptr); /* get pgd in ptr */
@@ -1636,7 +1636,7 @@
 	l_leave(l, *p);
 	i_eret(p); /* return from trap */
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	build_get_pgd_vmalloc64(p, l, r, tmp, ptr);
 #endif
 }
diff --git a/arch/mips/momentum/jaguar_atx/prom.c b/arch/mips/momentum/jaguar_atx/prom.c
index fa5982a..8279608 100644
--- a/arch/mips/momentum/jaguar_atx/prom.c
+++ b/arch/mips/momentum/jaguar_atx/prom.c
@@ -90,7 +90,7 @@
 }
 #endif
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 
 unsigned long signext(unsigned long addr)
 {
@@ -143,7 +143,7 @@
 
 	return p;
 }
-#endif  /* CONFIG_MIPS64 */
+#endif  /* CONFIG_64BIT */
 
 /* PMON passes arguments in C main() style */
 void __init prom_init(void)
@@ -158,7 +158,7 @@
 //	ja_setup_console();	/* The very first thing.  */
 #endif
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	char *ptr;
 
 	printk("Mips64 Jaguar-ATX\n");
@@ -201,7 +201,7 @@
 	}
 	printk("arcs_cmdline: %s\n", arcs_cmdline);
 
-#else   /* CONFIG_MIPS64 */
+#else   /* CONFIG_64BIT */
 	/* save the PROM vectors for debugging use */
 	debug_vectors = cv;
 
@@ -226,7 +226,7 @@
 		}
 		env++;
 	}
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 	mips_machgroup = MACH_GROUP_MOMENCO;
 	mips_machtype = MACH_MOMENCO_JAGUAR_ATX;
 
diff --git a/arch/mips/momentum/jaguar_atx/reset.c b/arch/mips/momentum/jaguar_atx/reset.c
index 4803948..c4236b1 100644
--- a/arch/mips/momentum/jaguar_atx/reset.c
+++ b/arch/mips/momentum/jaguar_atx/reset.c
@@ -27,7 +27,7 @@
 void momenco_jaguar_restart(char *command)
 {
 	/* base address of timekeeper portion of part */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	void *nvram = (void*) 0xfffffffffc807000;
 #else
 	void *nvram = (void*) 0xfc807000;
diff --git a/arch/mips/momentum/jaguar_atx/setup.c b/arch/mips/momentum/jaguar_atx/setup.c
index 30462e7..3cf1e46 100644
--- a/arch/mips/momentum/jaguar_atx/setup.c
+++ b/arch/mips/momentum/jaguar_atx/setup.c
@@ -105,7 +105,7 @@
 
 static __init void wire_stupidity_into_tlb(void)
 {
-#ifdef CONFIG_MIPS32
+#ifdef CONFIG_32BIT
 	write_c0_wired(0);
 	local_flush_tlb_all();
 
diff --git a/arch/mips/momentum/ocelot_3/prom.c b/arch/mips/momentum/ocelot_3/prom.c
index 89c17a0..c4fa9c5 100644
--- a/arch/mips/momentum/ocelot_3/prom.c
+++ b/arch/mips/momentum/ocelot_3/prom.c
@@ -93,7 +93,7 @@
 #endif
 
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 
 unsigned long signext(unsigned long addr)
 {
@@ -145,7 +145,7 @@
 
 	return p;
 }
-#endif  /* CONFIG_MIPS64 */
+#endif  /* CONFIG_64BIT */
 
 void __init prom_init(void)
 {
@@ -155,7 +155,7 @@
 	struct callvectors *cv = (struct callvectors *) fw_arg3;
 	int i;
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	char *ptr;
 	printk("prom_init - MIPS64\n");
 
@@ -198,7 +198,7 @@
 	}
 	printk("arcs_cmdline: %s\n", arcs_cmdline);
 
-#else   /* CONFIG_MIPS64 */
+#else   /* CONFIG_64BIT */
 
 	/* save the PROM vectors for debugging use */
 	debug_vectors = cv;
@@ -224,7 +224,7 @@
 		}
 		env++;
 	}
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 	mips_machgroup = MACH_GROUP_MOMENCO;
 	mips_machtype = MACH_MOMENCO_OCELOT_3;
@@ -234,7 +234,7 @@
 	get_mac(prom_mac_addr_base);
 #endif
 
-#ifndef CONFIG_MIPS64
+#ifndef CONFIG_64BIT
 	debug_vectors->printf("Booting Linux kernel...\n");
 #endif
 }
diff --git a/arch/mips/momentum/ocelot_c/ocelot_c_fpga.h b/arch/mips/momentum/ocelot_c/ocelot_c_fpga.h
index a6cf7a7..97fb77da 100644
--- a/arch/mips/momentum/ocelot_c/ocelot_c_fpga.h
+++ b/arch/mips/momentum/ocelot_c/ocelot_c_fpga.h
@@ -32,7 +32,7 @@
 
 #include <linux/config.h>
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 #define OCELOT_C_CS0_ADDR       (0xfffffffffc000000)
 #else
 #define OCELOT_C_CS0_ADDR               (0xfc000000)
diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c
index 49ac302..375877a 100644
--- a/arch/mips/momentum/ocelot_c/prom.c
+++ b/arch/mips/momentum/ocelot_c/prom.c
@@ -94,7 +94,7 @@
 #endif
 
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 
 unsigned long signext(unsigned long addr)
 {
@@ -144,7 +144,7 @@
   p = (char *)get_arg(args, arg_index);
   return p;
 }
-#endif  /* CONFIG_MIPS64 */
+#endif  /* CONFIG_64BIT */
 
 
 void __init prom_init(void)
@@ -155,7 +155,7 @@
 	struct callvectors *cv = (struct callvectors *) fw_arg3;
 	int i;
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	char *ptr;
 
 	printk("prom_init - MIPS64\n");
@@ -197,7 +197,7 @@
 	}
 	printk("arcs_cmdline: %s\n", arcs_cmdline);
 
-#else   /* CONFIG_MIPS64 */
+#else   /* CONFIG_64BIT */
 	/* save the PROM vectors for debugging use */
 	debug_vectors = cv;
 
@@ -222,7 +222,7 @@
 		}
 		env++;
 	}
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
 	mips_machgroup = MACH_GROUP_MOMENCO;
 	mips_machtype = MACH_MOMENCO_OCELOT_C;
@@ -232,7 +232,7 @@
 	get_mac(prom_mac_addr_base);
 #endif
 
-#ifndef CONFIG_MIPS64
+#ifndef CONFIG_64BIT
 	debug_vectors->printf("Booting Linux kernel...\n");
 #endif
 }
diff --git a/arch/mips/momentum/ocelot_c/reset.c b/arch/mips/momentum/ocelot_c/reset.c
index 1f2b426..6a2489f 100644
--- a/arch/mips/momentum/ocelot_c/reset.c
+++ b/arch/mips/momentum/ocelot_c/reset.c
@@ -28,7 +28,7 @@
 {
 	/* base address of timekeeper portion of part */
 	void *nvram = (void *)
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		0xfffffffffc807000;
 #else
 		0xfc807000;
diff --git a/arch/mips/momentum/ocelot_c/setup.c b/arch/mips/momentum/ocelot_c/setup.c
index 021c00e..844ddd0 100644
--- a/arch/mips/momentum/ocelot_c/setup.c
+++ b/arch/mips/momentum/ocelot_c/setup.c
@@ -109,7 +109,7 @@
 	*/
   printk("PMON_v2_setup\n");
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	/* marvell and extra space */
 	add_wired_entry(ENTRYLO(0xf4000000), ENTRYLO(0xf4010000), 0xfffffffff4000000, PM_64K);
 	/* fpga, rtc, and uart */
@@ -134,7 +134,7 @@
 
 unsigned long m48t37y_get_time(void)
 {
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	unsigned char *rtc_base = (unsigned char*)0xfffffffffc800000;
 #else
 	unsigned char* rtc_base = (unsigned char*)0xfc800000;
@@ -163,7 +163,7 @@
 
 int m48t37y_set_time(unsigned long sec)
 {
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 	unsigned char* rtc_base = (unsigned char*)0xfffffffffc800000;
 #else
 	unsigned char* rtc_base = (unsigned char*)0xfc800000;
@@ -342,7 +342,7 @@
 
 early_initcall(momenco_ocelot_c_setup);
 
-#ifndef CONFIG_MIPS64
+#ifndef CONFIG_64BIT
 /* This needs to be one of the first initcalls, because no I/O port access
    can work before this */
 static int io_base_ioremap(void)
diff --git a/arch/mips/pci/pci-ip32.c b/arch/mips/pci/pci-ip32.c
index 1faeb03..000dc6a 100644
--- a/arch/mips/pci/pci-ip32.c
+++ b/arch/mips/pci/pci-ip32.c
@@ -84,7 +84,7 @@
 
 
 extern struct pci_ops mace_pci_ops;
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 static struct resource mace_pci_mem_resource = {
 	.name	= "SGI O2 PCI MEM",
 	.start	= MACEPCI_HI_MEMORY,
diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/cfe/setup.c
index d6d0364..d86943f 100644
--- a/arch/mips/sibyte/cfe/setup.c
+++ b/arch/mips/sibyte/cfe/setup.c
@@ -33,7 +33,7 @@
 #include "cfe_error.h"
 
 /* Max ram addressable in 32-bit segments */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 #define MAX_RAM_SIZE (~0ULL)
 #else
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 457aeb7..4742e4f 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -73,7 +73,7 @@
 {
 	if (!is_fixup && (regs->cp0_cause & 4)) {
 		/* Data bus error - print PA */
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 		printk("DBE physical address: %010lx\n",
 		       __read_64bit_c0_register($26, 1));
 #else