Merge branch 'master' of git://git.denx.de/u-boot-mips

45 files changed, 2361 insertions, 1005 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index 1709d40..ec12013 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -55,6 +55,7 @@ config MIPS
 	select HAVE_PRIVATE_LIBGCC
 	select HAVE_GENERIC_BOARD
 	select SYS_GENERIC_BOARD
+	select SUPPORT_OF_CONTROL
 
 config NDS32
 	bool "NDS32 architecture"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7f7e258..1b39c4c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -28,6 +28,7 @@ config TARGET_MALTA
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SWAP_IO_SPACE
+	select MIPS_L1_CACHE_SHIFT_6
 
 config TARGET_VCT
 	bool "Support vct"
@@ -43,6 +44,7 @@ config TARGET_DBAU1X00
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SYS_MIPS_CACHE_INIT_RAM_LOAD
+	select MIPS_TUNE_4KC
 
 config TARGET_PB1X00
 	bool "Support pb1x00"
@@ -50,7 +52,7 @@ config TARGET_PB1X00
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SYS_MIPS_CACHE_INIT_RAM_LOAD
-
+	select MIPS_TUNE_4KC
 
 endchoice
 
@@ -174,6 +176,15 @@ config CPU_MIPS64
 	bool
 	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
 
+config MIPS_TUNE_4KC
+	bool
+
+config MIPS_TUNE_14KC
+	bool
+
+config MIPS_TUNE_24KC
+	bool
+
 config 32BIT
 	bool
 
@@ -186,6 +197,26 @@ config SWAP_IO_SPACE
 config SYS_MIPS_CACHE_INIT_RAM_LOAD
 	bool
 
+config MIPS_L1_CACHE_SHIFT_4
+	bool
+
+config MIPS_L1_CACHE_SHIFT_5
+	bool
+
+config MIPS_L1_CACHE_SHIFT_6
+	bool
+
+config MIPS_L1_CACHE_SHIFT_7
+	bool
+
+config MIPS_L1_CACHE_SHIFT
+	int
+	default "7" if MIPS_L1_CACHE_SHIFT_7
+	default "6" if MIPS_L1_CACHE_SHIFT_6
+	default "5" if MIPS_L1_CACHE_SHIFT_5
+	default "4" if MIPS_L1_CACHE_SHIFT_4
+	default "5"
+
 endif
 
 endmenu
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 43f0f5c..2133e7e 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -7,4 +7,25 @@ head-y := arch/mips/cpu/start.o
 libs-y += arch/mips/cpu/
 libs-y += arch/mips/lib/
 
-libs-$(CONFIG_SOC_AU1X00) += arch/mips/mach-au1x00/
+machine-$(CONFIG_SOC_AU1X00) += au1x00
+
+machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
+libs-y += $(machdirs)
+
+PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
+
+# Optimize for MIPS architectures
+arch-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32
+arch-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2
+arch-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64
+arch-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2
+
+# Allow extra optimization for specific CPUs/SoCs
+tune-$(CONFIG_MIPS_TUNE_4KC) += -mtune=4kc
+tune-$(CONFIG_MIPS_TUNE_14KC) += -mtune=14kc
+tune-$(CONFIG_MIPS_TUNE_24KC) += -mtune=24kc
+
+# Include default header files
+cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
+
+PLATFORM_CPPFLAGS += $(arch-y) $(tune-y) $(cflags-y)
diff --git a/arch/mips/config.mk b/arch/mips/config.mk
index 52e28f2..609a998 100644
--- a/arch/mips/config.mk
+++ b/arch/mips/config.mk
@@ -35,12 +35,6 @@ PLATFORM_LDFLAGS	+= -m$(64bit-emul)
 OBJCOPYFLAGS		+= -O $(64bit-bfd)
 endif
 
-cpuflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32
-cpuflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2
-cpuflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64
-cpuflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2
-PLATFORM_CPPFLAGS += $(cpuflags-y)
-
 PLATFORM_CPPFLAGS += -D__MIPS__
 
 #
@@ -63,10 +57,21 @@ PLATFORM_CPPFLAGS += -D__MIPS__
 # On the other hand, we want PIC in the U-Boot code to relocate it from ROM
 # to RAM. $28 is always used as gp.
 #
-PLATFORM_CPPFLAGS		+= -G 0 -mabicalls -fpic
+ifdef CONFIG_SPL_BUILD
+PF_ABICALLS			:= -mno-abicalls
+PF_PIC				:= -fno-pic
+PF_PIE				:=
+else
+PF_ABICALLS			:= -mabicalls
+PF_PIC				:= -fpic
+PF_PIE				:= -pie
+PF_OBJCOPY			:= -j .got -j .u_boot_list -j .rel.dyn -j .padding
+PF_OBJCOPY			+= -j .dtb.init.rodata
+endif
+
+PLATFORM_CPPFLAGS		+= -G 0 $(PF_ABICALLS) $(PF_PIC)
 PLATFORM_CPPFLAGS		+= -msoft-float
 PLATFORM_LDFLAGS		+= -G 0 -static -n -nostdlib
 PLATFORM_RELFLAGS		+= -ffunction-sections -fdata-sections
-LDFLAGS_FINAL			+= --gc-sections -pie
-OBJCOPYFLAGS			+= -j .text -j .rodata -j .data -j .got
-OBJCOPYFLAGS			+= -j .u_boot_list -j .rel.dyn -j .padding
+LDFLAGS_FINAL			+= --gc-sections $(PF_PIE)
+OBJCOPYFLAGS			+= -j .text -j .rodata -j .data $(PF_OBJCOPY)
diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S
index 3b5b622..e95cdca 100644
--- a/arch/mips/cpu/start.S
+++ b/arch/mips/cpu/start.S
@@ -56,9 +56,7 @@
 
 	.set noreorder
 
-	.globl _start
-	.text
-_start:
+ENTRY(_start)
 	/* U-boot entry point */
 	b	reset
 	 nop
@@ -192,6 +190,8 @@ reset:
 	jr	t9
 	 move	ra, zero
 
+	END(_start)
+
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
  *
@@ -202,9 +202,7 @@ reset:
  * a1 = gd
  * a2 = destination address
  */
-	.globl	relocate_code
-	.ent	relocate_code
-relocate_code:
+ENTRY(relocate_code)
 	move	sp, a0			# set new stack pointer
 	move	fp, sp
 
@@ -317,4 +315,4 @@ in_ram:
 	jr	t9
 	 move	ra, zero
 
-	.end	relocate_code
+	END(relocate_code)
diff --git a/arch/mips/dts/.gitignore b/arch/mips/dts/.gitignore
new file mode 100644
index 0000000..b60ed20
--- /dev/null
+++ b/arch/mips/dts/.gitignore
@@ -0,0 +1 @@
+*.dtb
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
new file mode 100644
index 0000000..47b6eb5
--- /dev/null
+++ b/arch/mips/dts/Makefile
@@ -0,0 +1,16 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+dtb-y +=
+
+targets += $(dtb-y)
+
+# Add any required device tree compiler flags here
+DTC_FLAGS +=
+
+PHONY += dtbs
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+	@:
+
+clean-files := *.dtb
diff --git a/arch/mips/dts/include/dt-bindings b/arch/mips/dts/include/dt-bindings
new file mode 120000
index 0000000..0cecb3d
--- /dev/null
+++ b/arch/mips/dts/include/dt-bindings
@@ -0,0 +1 @@
+../../../../include/dt-bindings
\ No newline at end of file
diff --git a/arch/mips/dts/skeleton.dtsi b/arch/mips/dts/skeleton.dtsi
new file mode 100644
index 0000000..24ee6c3
--- /dev/null
+++ b/arch/mips/dts/skeleton.dtsi
@@ -0,0 +1,23 @@
+/*
+ * Skeleton device tree; the bare minimum needed to boot; just include and
+ * add a compatible value.  The bootloader will typically populate the memory
+ * node.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	chosen {
+	};
+
+	aliases {
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0>;
+	};
+};
diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
index b768bb5..0994e96 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -1,15 +1,15 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1996, 99 Ralf Baechle
  * Copyright (C) 2000, 2002  Maciej W. Rozycki
  * Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_ADDRSPACE_H
 #define _ASM_ADDRSPACE_H
 
+#include <spaces.h>
+
 /*
  *  Configure language
  */
@@ -50,7 +50,7 @@
  */
 #define CPHYSADDR(a)		((_ACAST32_(a)) & 0x1fffffff)
 #define XPHYSADDR(a)		((_ACAST64_(a)) &			\
-				 _CONST64_(0x000000ffffffffff))
+				 _CONST64_(0x0000ffffffffffff))
 
 #ifdef CONFIG_64BIT
 
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 933ccb1..44694a3 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -1,8 +1,4 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle
  * Copyright (C) 1999 by Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
@@ -13,6 +9,8 @@
  * Some of the routines below contain useless nops that will be optimized
  * away by gas in -O mode. These nops are however required to fill delay
  * slots in noreorder mode.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef __ASM_ASM_H
 #define __ASM_ASM_H
@@ -33,50 +31,58 @@
  * Not used for the kernel but here seems to be the right place.
  */
 #ifdef __PIC__
-#define CPRESTORE(register)                             \
+#define CPRESTORE(register)				\
 		.cprestore register
-#define CPADD(register)                                 \
+#define CPADD(register)					\
 		.cpadd	register
-#define CPLOAD(register)                                \
-		.cpload	register
+#define CPLOAD(register)				\
+		.cpload register
 #else
 #define CPRESTORE(register)
 #define CPADD(register)
 #define CPLOAD(register)
 #endif
 
+#define ENTRY(symbol)					\
+		.globl	symbol;				\
+		.type	symbol, @function;		\
+		.ent	symbol, 0;			\
+symbol:
+
 /*
  * LEAF - declare leaf routine
  */
-#define	LEAF(symbol)                                    \
-		.globl	symbol;                         \
-		.align	2;                              \
-		.type	symbol, @function;              \
-		.ent	symbol, 0;                      \
+#define LEAF(symbol)					\
+		.globl	symbol;				\
+		.align	2;				\
+		.type	symbol, @function;		\
+		.ent	symbol, 0;			\
+		.section .text.symbol, "x";             \
 symbol:		.frame	sp, 0, ra
 
 /*
  * NESTED - declare nested routine entry point
  */
-#define	NESTED(symbol, framesize, rpc)                  \
-		.globl	symbol;                         \
-		.align	2;                              \
-		.type	symbol, @function;              \
-		.ent	symbol, 0;                       \
+#define NESTED(symbol, framesize, rpc)			\
+		.globl	symbol;				\
+		.align	2;				\
+		.type	symbol, @function;		\
+		.ent	symbol, 0;			\
+		.section .text.symbol, "x";             \
 symbol:		.frame	sp, framesize, rpc
 
 /*
  * END - mark end of function
  */
-#define	END(function)                                   \
-		.end	function;		        \
+#define END(function)					\
+		.end	function;			\
 		.size	function, .-function
 
 /*
  * EXPORT - export definition of symbol
  */
 #define EXPORT(symbol)					\
-		.globl	symbol;                         \
+		.globl	symbol;				\
 symbol:
 
 /*
@@ -90,16 +96,16 @@ symbol:
 /*
  * ABS - export absolute symbol
  */
-#define	ABS(symbol,value)                               \
-		.globl	symbol;                         \
+#define ABS(symbol,value)				\
+		.globl	symbol;				\
 symbol		=	value
 
-#define	PANIC(msg)                                      \
+#define PANIC(msg)					\
 		.set	push;				\
-		.set	reorder;                        \
-		PTR_LA	a0, 8f;                          \
-		jal	panic;                          \
-9:		b	9b;                             \
+		.set	reorder;			\
+		PTR_LA	a0, 8f;				 \
+		jal	panic;				\
+9:		b	9b;				\
 		.set	pop;				\
 		TEXT(msg)
 
@@ -107,31 +113,31 @@ symbol		=	value
  * Print formatted string
  */
 #ifdef CONFIG_PRINTK
-#define PRINT(string)                                   \
+#define PRINT(string)					\
 		.set	push;				\
-		.set	reorder;                        \
-		PTR_LA	a0, 8f;                          \
-		jal	printk;                         \
+		.set	reorder;			\
+		PTR_LA	a0, 8f;				 \
+		jal	printk;				\
 		.set	pop;				\
 		TEXT(string)
 #else
 #define PRINT(string)
 #endif
 
-#define	TEXT(msg)                                       \
+#define TEXT(msg)					\
 		.pushsection .data;			\
-8:		.asciiz	msg;                            \
+8:		.asciiz msg;				\
 		.popsection;
 
 /*
  * Build text tables
  */
-#define TTABLE(string)                                  \
+#define TTABLE(string)					\
 		.pushsection .text;			\
-		.word	1f;                             \
+		.word	1f;				\
 		.popsection				\
 		.pushsection .data;			\
-1:		.asciiz	string;                         \
+1:		.asciiz string;				\
 		.popsection
 
 /*
@@ -143,21 +149,29 @@ symbol		=	value
  */
 #ifdef CONFIG_CPU_HAS_PREFETCH
 
-#define PREF(hint,addr)                                 \
+#define PREF(hint, addr)				\
 		.set	push;				\
-		.set	mips4;				\
+		.set	arch=r5000;			\
 		pref	hint, addr;			\
 		.set	pop
 
-#define PREFX(hint,addr)                                \
+#define PREFE(hint, addr)				\
+		.set	push;				\
+		.set	mips0;				\
+		.set	eva;				\
+		prefe	hint, addr;			\
+		.set	pop
+
+#define PREFX(hint, addr)				\
 		.set	push;				\
-		.set	mips4;				\
+		.set	arch=r5000;			\
 		prefx	hint, addr;			\
 		.set	pop
 
 #else /* !CONFIG_CPU_HAS_PREFETCH */
 
 #define PREF(hint, addr)
+#define PREFE(hint, addr)
 #define PREFX(hint, addr)
 
 #endif /* !CONFIG_CPU_HAS_PREFETCH */
@@ -166,42 +180,42 @@ symbol		=	value
  * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
  */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS1)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)				\
 		.set	push;				\
 		.set	reorder;			\
-		beqz	rt, 9f;                         \
-		move	rd, rs;                         \
+		beqz	rt, 9f;				\
+		move	rd, rs;				\
 		.set	pop;				\
 9:
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)				\
 		.set	push;				\
 		.set	reorder;			\
-		bnez	rt, 9f;                         \
-		move	rd, rs;                         \
+		bnez	rt, 9f;				\
+		move	rd, rs;				\
 		.set	pop;				\
 9:
 #endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)				\
 		.set	push;				\
 		.set	noreorder;			\
-		bnezl	rt, 9f;                         \
-		 move	rd, rs;                         \
+		bnezl	rt, 9f;				\
+		 move	rd, rs;				\
 		.set	pop;				\
 9:
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)				\
 		.set	push;				\
 		.set	noreorder;			\
-		beqzl	rt, 9f;                         \
-		 move	rd, rs;                         \
+		beqzl	rt, 9f;				\
+		 move	rd, rs;				\
 		.set	pop;				\
 9:
 #endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
     (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)				\
 		movn	rd, rs, rt
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)				\
 		movz	rd, rs, rt
 #endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */
 
@@ -296,6 +310,7 @@ symbol		=	value
 #define LONG_SUBU	subu
 #define LONG_L		lw
 #define LONG_S		sw
+#define LONG_SP		swp
 #define LONG_SLL	sll
 #define LONG_SLLV	sllv
 #define LONG_SRL	srl
@@ -318,6 +333,7 @@ symbol		=	value
 #define LONG_SUBU	dsubu
 #define LONG_L		ld
 #define LONG_S		sd
+#define LONG_SP		sdp
 #define LONG_SLL	dsll
 #define LONG_SLLV	dsllv
 #define LONG_SRL	dsrl
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index c31ff6e..cce6995 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -1,10 +1,8 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1994 - 1997, 1999, 2000  Ralf Baechle (ralf@gnu.org)
  * Copyright (c) 2000  Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_BITOPS_H
 #define _ASM_BITOPS_H
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index b5e685f..67fdf71 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -1,9 +1,7 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1996, 99, 2003 by Ralf Baechle
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_BYTEORDER_H
 #define _ASM_BYTEORDER_H
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index 0dfb54e..806bd26 100644
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -7,15 +7,9 @@
 #ifndef __MIPS_CACHE_H__
 #define __MIPS_CACHE_H__
 
-/*
- * The maximum L1 data cache line size on MIPS seems to be 128 bytes.  We use
- * that as a default for aligning DMA buffers unless the board config has
- * specified another cache line size.
- */
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
-#else
-#define ARCH_DMA_MINALIGN	128
-#endif
+#define L1_CACHE_SHIFT		CONFIG_MIPS_L1_CACHE_SHIFT
+#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
+
+#define ARCH_DMA_MINALIGN	(L1_CACHE_BYTES)
 
 #endif /* __MIPS_CACHE_H__ */
diff --git a/arch/mips/include/asm/cachectl.h b/arch/mips/include/asm/cachectl.h
index f3ce721..5e77dfa 100644
--- a/arch/mips/include/asm/cachectl.h
+++ b/arch/mips/include/asm/cachectl.h
@@ -1,9 +1,7 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef	_ASM_CACHECTL
 #define	_ASM_CACHECTL
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index af2adc7..a3b07c6 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -1,12 +1,10 @@
 /*
  * Cache operations for the cache instruction.
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
  * (C) Copyright 1999 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef	__ASM_CACHEOPS_H
 #define	__ASM_CACHEOPS_H
diff --git a/arch/mips/include/asm/const.h b/arch/mips/include/asm/const.h
new file mode 100644
index 0000000..f600e7a
--- /dev/null
+++ b/arch/mips/include/asm/const.h
@@ -0,0 +1,31 @@
+/*
+ * const.h: Macros for dealing with constants.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef _LINUX_CONST_H
+#define _LINUX_CONST_H
+
+/* Some constant macros are used in both assembler and
+ * C code.  Therefore we cannot annotate them always with
+ * 'UL' and other type specifiers unilaterally.  We
+ * use the following macros to deal with this.
+ *
+ * Similarly, _AT() will cast an expression with a type in C, but
+ * leave it unchanged in asm.
+ */
+
+#ifdef __ASSEMBLY__
+#define _AC(X,Y)	X
+#define _AT(T,X)	X
+#else
+#define __AC(X,Y)	(X##Y)
+#define _AC(X,Y)	__AC(X,Y)
+#define _AT(T,X)	((T)(X))
+#endif
+
+#define _BITUL(x)	(_AC(1,UL) << (x))
+#define _BITULL(x)	(_AC(1,ULL) << (x))
+
+#endif /* !(_LINUX_CONST_H) */
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
new file mode 100644
index 0000000..a6e9d94
--- /dev/null
+++ b/arch/mips/include/asm/cpu-features.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ * Copyright (C) 2004  Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef __ASM_CPU_FEATURES_H
+#define __ASM_CPU_FEATURES_H
+
+#include <cpu-feature-overrides.h>
+
+#ifdef CONFIG_32BIT
+# ifndef cpu_has_64bits
+# define cpu_has_64bits			0
+# endif
+# ifndef cpu_has_64bit_addresses
+# define cpu_has_64bit_addresses	0
+# endif
+#endif
+
+#ifdef CONFIG_64BIT
+# ifndef cpu_has_64bits
+# define cpu_has_64bits			1
+# endif
+# ifndef cpu_has_64bit_addresses
+# define cpu_has_64bit_addresses	1
+# endif
+#endif
+
+#endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/gpio.h b/arch/mips/include/asm/gpio.h
new file mode 100644
index 0000000..306ab4c
--- /dev/null
+++ b/arch/mips/include/asm/gpio.h
@@ -0,0 +1 @@
+#include <asm-generic/gpio.h>
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index a7ab087..b8ac5a5 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -1,21 +1,28 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 1995 Waldorf GmbH
- * Copyright (C) 1994 - 2000 Ralf Baechle
+ * Copyright (C) 1994 - 2000, 06 Ralf Baechle
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- * Copyright (C) 2000 FSMLabs, Inc.
+ * Copyright (C) 2004, 2005  MIPS Technologies, Inc.  All rights reserved.
+ *	Author: Maciej W. Rozycki <macro@mips.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_IO_H
 #define _ASM_IO_H
 
-#if 0
-#include <linux/pagemap.h>
-#endif
+#include <linux/compiler.h>
+#include <linux/types.h>
+
 #include <asm/addrspace.h>
 #include <asm/byteorder.h>
+#include <asm/cpu-features.h>
+#include <asm/pgtable-bits.h>
+#include <asm/processor.h>
+#include <asm/string.h>
+
+#include <ioremap.h>
+#include <mangle-port.h>
+#include <spaces.h>
 
 /*
  * Slowdown I/O port space accesses for antique hardware.
@@ -23,44 +30,20 @@
 #undef CONF_SLOWDOWN_IO
 
 /*
- * Sane hardware offers swapping of I/O space accesses in hardware; less
- * sane hardware forces software to fiddle with this ...
+ * Raw operations are never swapped in software.  OTOH values that raw
+ * operations are working on may or may not have been swapped by the bus
+ * hardware.  An example use would be for flash memory that's used for
+ * execute in place.
  */
-#if defined(CONFIG_SWAP_IO_SPACE) && defined(__MIPSEB__)
+# define __raw_ioswabb(a, x)	(x)
+# define __raw_ioswabw(a, x)	(x)
+# define __raw_ioswabl(a, x)	(x)
+# define __raw_ioswabq(a, x)	(x)
+# define ____raw_ioswabq(a, x)	(x)
 
-#define __ioswab8(x) (x)
-#define __ioswab16(x) swab16(x)
-#define __ioswab32(x) swab32(x)
+/* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
 
-#else
-
-#define __ioswab8(x) (x)
-#define __ioswab16(x) (x)
-#define __ioswab32(x) (x)
-
-#endif
-
-/*
- * This file contains the definitions for the MIPS counterpart of the
- * x86 in/out instructions. This heap of macros and C results in much
- * better code than the approach of doing it in plain C.  The macros
- * result in code that is to fast for certain hardware.  On the other
- * side the performance of the string functions should be improved for
- * sake of certain devices like EIDE disks that do highspeed polled I/O.
- *
- *   Ralf
- *
- * This file contains the definitions for the x86 IO instructions
- * inb/inw/inl/outb/outw/outl and the "string versions" of the same
- * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
- * versions of the single-IO instructions (inb_p/inw_p/..).
- *
- * This file is not meant to be obfuscating: it's just complicated
- * to (a) handle it all in a way that makes gcc able to optimize it
- * as well as possible and (b) trying to avoid writing the same thing
- * over and over again with slight variations and possibly making a
- * mistake somewhere.
- */
+#define IO_SPACE_LIMIT 0xffff
 
 /*
  * On MIPS I/O ports are memory mapped, so we access them using normal
@@ -84,6 +67,7 @@ extern const unsigned long mips_io_port_base;
 static inline void set_io_port_base(unsigned long base)
 {
 	* (unsigned long *) &mips_io_port_base = base;
+	barrier();
 }
 
 /*
@@ -114,378 +98,429 @@ static inline void set_io_port_base(unsigned long base)
 #endif
 
 /*
- * Change virtual addresses to physical addresses and vv.
- * These are trivial on the 1:1 Linux/MIPS mapping
+ *     virt_to_phys    -       map virtual addresses to physical
+ *     @address: address to remap
+ *
+ *     The returned physical address is the physical (CPU) mapping for
+ *     the memory address given. It is only valid to use this function on
+ *     addresses directly mapped or allocated via kmalloc.
+ *
+ *     This function does not give bus mappings for DMA transfers. In
+ *     almost all conceivable cases a device driver should not be using
+ *     this function
  */
-static inline phys_addr_t virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(volatile const void *address)
 {
-#ifndef CONFIG_64BIT
-	return CPHYSADDR(address);
+	unsigned long addr = (unsigned long)address;
+
+	/* this corresponds to kernel implementation of __pa() */
+#ifdef CONFIG_64BIT
+	if (addr < CKSEG0)
+		return XPHYSADDR(addr);
+
+	return CPHYSADDR(addr);
 #else
-	return XPHYSADDR(address);
+	return addr - PAGE_OFFSET + PHYS_OFFSET;
 #endif
 }
 
-static inline void * phys_to_virt(unsigned long address)
+/*
+ *     phys_to_virt    -       map physical address to virtual
+ *     @address: address to remap
+ *
+ *     The returned virtual address is a current CPU mapping for
+ *     the memory address given. It is only valid to use this function on
+ *     addresses that have a kernel mapping
+ *
+ *     This function does not handle bus mappings for DMA transfers. In
+ *     almost all conceivable cases a device driver should not be using
+ *     this function
+ */
+static inline void *phys_to_virt(unsigned long address)
 {
-#ifndef CONFIG_64BIT
-	return (void *)KSEG0ADDR(address);
-#else
-	return (void *)CKSEG0ADDR(address);
-#endif
+	return (void *)(address + PAGE_OFFSET - PHYS_OFFSET);
 }
 
 /*
- * IO bus memory addresses are also 1:1 with the physical address
+ * ISA I/O bus memory addresses are 1:1 with the physical address.
  */
-static inline unsigned long virt_to_bus(volatile void * address)
+static inline unsigned long isa_virt_to_bus(volatile void *address)
 {
-#ifndef CONFIG_64BIT
-	return CPHYSADDR(address);
-#else
-	return XPHYSADDR(address);
-#endif
+	return (unsigned long)address - PAGE_OFFSET;
 }
 
-static inline void * bus_to_virt(unsigned long address)
+static inline void *isa_bus_to_virt(unsigned long address)
 {
-#ifndef CONFIG_64BIT
-	return (void *)KSEG0ADDR(address);
-#else
-	return (void *)CKSEG0ADDR(address);
-#endif
+	return (void *)(address + PAGE_OFFSET);
 }
 
+#define isa_page_to_bus page_to_phys
+
 /*
- * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
- * for the processor.
+ * However PCI ones are not necessarily 1:1 and therefore these interfaces
+ * are forbidden in portable PCI drivers.
+ *
+ * Allow them for x86 for legacy drivers, though.
  */
-extern unsigned long isa_slot_offset;
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
 
-extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
-#if 0
-static inline void *ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *__ioremap_mode(phys_addr_t offset, unsigned long size,
+	unsigned long flags)
 {
-	return __ioremap(offset, size, _CACHE_UNCACHED);
-}
+	void __iomem *addr;
+	phys_addr_t phys_addr;
 
-static inline void *ioremap_nocache(unsigned long offset, unsigned long size)
-{
-	return __ioremap(offset, size, _CACHE_UNCACHED);
-}
+	addr = plat_ioremap(offset, size, flags);
+	if (addr)
+		return addr;
 
-extern void iounmap(void *addr);
-#endif
+	phys_addr = fixup_bigphys_addr(offset, size);
+	return (void __iomem *)(unsigned long)CKSEG1ADDR(phys_addr);
+}
 
 /*
- * XXX We need system specific versions of these to handle EISA address bits
- * 24-31 on SNI.
- * XXX more SNI hacks.
+ * ioremap     -   map bus memory into CPU space
+ * @offset:    bus address of the memory
+ * @size:      size of the resource to map
+ *
+ * ioremap performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
  */
-#define __raw_readb(addr) (*(volatile unsigned char *)(addr))
-#define __raw_readw(addr) (*(volatile unsigned short *)(addr))
-#define __raw_readl(addr) (*(volatile unsigned int *)(addr))
-#define readb(addr) __raw_readb((addr))
-#define readw(addr) __ioswab16(__raw_readw((addr)))
-#define readl(addr) __ioswab32(__raw_readl((addr)))
-
-#define __raw_writeb(b, addr) (*(volatile unsigned char *)(addr)) = (b)
-#define __raw_writew(b, addr) (*(volatile unsigned short *)(addr)) = (b)
-#define __raw_writel(b, addr) (*(volatile unsigned int *)(addr)) = (b)
-#define writeb(b, addr) __raw_writeb((b), (addr))
-#define writew(b, addr) __raw_writew(__ioswab16(b), (addr))
-#define writel(b, addr) __raw_writel(__ioswab32(b), (addr))
-
-#define memset_io(a,b,c)	memset((void *)(a),(b),(c))
-#define memcpy_fromio(a,b,c)	memcpy((a),(void *)(b),(c))
-#define memcpy_toio(a,b,c)	memcpy((void *)(a),(b),(c))
-
-/* END SNI HACKS ... */
+#define ioremap(offset, size)						\
+	__ioremap_mode((offset), (size), _CACHE_UNCACHED)
 
 /*
- * ISA space is 'always mapped' on currently supported MIPS systems, no need
- * to explicitly ioremap() it. The fact that the ISA IO space is mapped
- * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
- * are physical addresses. The following constant pointer can be
- * used as the IO-area pointer (it can be iounmapped as well, so the
- * analogy with PCI is quite large):
+ * ioremap_nocache     -   map bus memory into CPU space
+ * @offset:    bus address of the memory
+ * @size:      size of the resource to map
+ *
+ * ioremap_nocache performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
+ *
+ * This version of ioremap ensures that the memory is marked uncachable
+ * on the CPU as well as honouring existing caching rules from things like
+ * the PCI bus. Note that there are other caches and buffers on many
+ * busses. In particular driver authors should read up on PCI writes
+ *
+ * It's useful if some control registers are in such an area and
+ * write combining or read caching is not desirable:
  */
-#define __ISA_IO_base ((char *)(PAGE_OFFSET))
+#define ioremap_nocache(offset, size)					\
+	__ioremap_mode((offset), (size), _CACHE_UNCACHED)
+#define ioremap_uc ioremap_nocache
 
-#define isa_readb(a) readb(a)
-#define isa_readw(a) readw(a)
-#define isa_readl(a) readl(a)
-#define isa_writeb(b,a) writeb(b,a)
-#define isa_writew(w,a) writew(w,a)
-#define isa_writel(l,a) writel(l,a)
-
-#define isa_memset_io(a,b,c)     memset_io((a),(b),(c))
-#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c))
-#define isa_memcpy_toio(a,b,c)   memcpy_toio((a),(b),(c))
+/*
+ * ioremap_cachable -	map bus memory into CPU space
+ * @offset:	    bus address of the memory
+ * @size:	    size of the resource to map
+ *
+ * ioremap_nocache performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
+ *
+ * This version of ioremap ensures that the memory is marked cachable by
+ * the CPU.  Also enables full write-combining.	 Useful for some
+ * memory-like regions on I/O busses.
+ */
+#define ioremap_cachable(offset, size)					\
+	__ioremap_mode((offset), (size), _page_cachable_default)
 
 /*
- * We don't have csum_partial_copy_fromio() yet, so we cheat here and
- * just copy it. The net code will then do the checksum later.
+ * These two are MIPS specific ioremap variant.	 ioremap_cacheable_cow
+ * requests a cachable mapping, ioremap_uncached_accelerated requests a
+ * mapping using the uncached accelerated mode which isn't supported on
+ * all processors.
  */
-#define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len))
-#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(b),(c),(d))
+#define ioremap_cacheable_cow(offset, size)				\
+	__ioremap_mode((offset), (size), _CACHE_CACHABLE_COW)
+#define ioremap_uncached_accelerated(offset, size)			\
+	__ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED)
 
-static inline int check_signature(unsigned long io_addr,
-				  const unsigned char *signature, int length)
+static inline void iounmap(const volatile void __iomem *addr)
 {
-	int retval = 0;
-	do {
-		if (readb(io_addr) != *signature)
-			goto out;
-		io_addr++;
-		signature++;
-		length--;
-	} while (length);
-	retval = 1;
-out:
-	return retval;
+	plat_iounmap(addr);
 }
-#define isa_check_signature(io, s, l) check_signature(i,s,l)
 
-/*
- * Talk about misusing macros..
- */
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define war_octeon_io_reorder_wmb()		wmb()
+#else
+#define war_octeon_io_reorder_wmb()		do { } while (0)
+#endif
 
-#define __OUT1(s) \
-static inline void __out##s(unsigned int value, unsigned int port) {
+#define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq)			\
+									\
+static inline void pfx##write##bwlq(type val,				\
+				    volatile void __iomem *mem)		\
+{									\
+	volatile type *__mem;						\
+	type __val;							\
+									\
+	war_octeon_io_reorder_wmb();					\
+									\
+	__mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem));	\
+									\
+	__val = pfx##ioswab##bwlq(__mem, val);				\
+									\
+	if (sizeof(type) != sizeof(u64) || sizeof(u64) == sizeof(long)) \
+		*__mem = __val;						\
+	else if (cpu_has_64bits) {					\
+		type __tmp;						\
+									\
+		__asm__ __volatile__(					\
+			".set	arch=r4000"	"\t\t# __writeq""\n\t"	\
+			"dsll32 %L0, %L0, 0"			"\n\t"	\
+			"dsrl32 %L0, %L0, 0"			"\n\t"	\
+			"dsll32 %M0, %M0, 0"			"\n\t"	\
+			"or	%L0, %L0, %M0"			"\n\t"	\
+			"sd	%L0, %2"			"\n\t"	\
+			".set	mips0"				"\n"	\
+			: "=r" (__tmp)					\
+			: "0" (__val), "m" (*__mem));			\
+	} else								\
+		BUG();							\
+}									\
+									\
+static inline type pfx##read##bwlq(const volatile void __iomem *mem)	\
+{									\
+	volatile type *__mem;						\
+	type __val;							\
+									\
+	__mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem));	\
+									\
+	if (sizeof(type) != sizeof(u64) || sizeof(u64) == sizeof(long)) \
+		__val = *__mem;						\
+	else if (cpu_has_64bits) {					\
+		__asm__ __volatile__(					\
+			".set	arch=r4000"	"\t\t# __readq" "\n\t"	\
+			"ld	%L0, %1"			"\n\t"	\
+			"dsra32 %M0, %L0, 0"			"\n\t"	\
+			"sll	%L0, %L0, 0"			"\n\t"	\
+			".set	mips0"				"\n"	\
+			: "=r" (__val)					\
+			: "m" (*__mem));				\
+	} else {							\
+		__val = 0;						\
+		BUG();							\
+	}								\
+									\
+	return pfx##ioswab##bwlq(__mem, __val);				\
+}
 
-#define __OUT2(m) \
-__asm__ __volatile__ ("s" #m "\t%0,%1(%2)"
+#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, p, slow)			\
+									\
+static inline void pfx##out##bwlq##p(type val, unsigned long port)	\
+{									\
+	volatile type *__addr;						\
+	type __val;							\
+									\
+	war_octeon_io_reorder_wmb();					\
+									\
+	__addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \
+									\
+	__val = pfx##ioswab##bwlq(__addr, val);				\
+									\
+	/* Really, we want this to be atomic */				\
+	BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long));		\
+									\
+	*__addr = __val;						\
+	slow;								\
+}									\
+									\
+static inline type pfx##in##bwlq##p(unsigned long port)			\
+{									\
+	volatile type *__addr;						\
+	type __val;							\
+									\
+	__addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \
+									\
+	BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long));		\
+									\
+	__val = *__addr;						\
+	slow;								\
+									\
+	return pfx##ioswab##bwlq(__addr, __val);			\
+}
 
-#define __OUT(m,s,w) \
-__OUT1(s) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); } \
-__OUT1(s##c) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); } \
-__OUT1(s##_p) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); \
-	SLOW_DOWN_IO; } \
-__OUT1(s##c_p) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); \
-	SLOW_DOWN_IO; }
+#define __BUILD_MEMORY_PFX(bus, bwlq, type)				\
+									\
+__BUILD_MEMORY_SINGLE(bus, bwlq, type, 1)
+
+#define BUILDIO_MEM(bwlq, type)						\
+									\
+__BUILD_MEMORY_PFX(__raw_, bwlq, type)					\
+__BUILD_MEMORY_PFX(, bwlq, type)					\
+__BUILD_MEMORY_PFX(__mem_, bwlq, type)					\
+
+BUILDIO_MEM(b, u8)
+BUILDIO_MEM(w, u16)
+BUILDIO_MEM(l, u32)
+BUILDIO_MEM(q, u64)
+
+#define __BUILD_IOPORT_PFX(bus, bwlq, type)				\
+	__BUILD_IOPORT_SINGLE(bus, bwlq, type, ,)			\
+	__BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
+
+#define BUILDIO_IOPORT(bwlq, type)					\
+	__BUILD_IOPORT_PFX(, bwlq, type)				\
+	__BUILD_IOPORT_PFX(__mem_, bwlq, type)
+
+BUILDIO_IOPORT(b, u8)
+BUILDIO_IOPORT(w, u16)
+BUILDIO_IOPORT(l, u32)
+#ifdef CONFIG_64BIT
+BUILDIO_IOPORT(q, u64)
+#endif
 
-#define __IN1(t,s) \
-static inline t __in##s(unsigned int port) { t _v;
+#define __BUILDIO(bwlq, type)						\
+									\
+__BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 0)
+
+__BUILDIO(q, u64)
+
+#define readb_relaxed			readb
+#define readw_relaxed			readw
+#define readl_relaxed			readl
+#define readq_relaxed			readq
+
+#define writeb_relaxed			writeb
+#define writew_relaxed			writew
+#define writel_relaxed			writel
+#define writeq_relaxed			writeq
+
+#define readb_be(addr)							\
+	__raw_readb((__force unsigned *)(addr))
+#define readw_be(addr)							\
+	be16_to_cpu(__raw_readw((__force unsigned *)(addr)))
+#define readl_be(addr)							\
+	be32_to_cpu(__raw_readl((__force unsigned *)(addr)))
+#define readq_be(addr)							\
+	be64_to_cpu(__raw_readq((__force unsigned *)(addr)))
+
+#define writeb_be(val, addr)						\
+	__raw_writeb((val), (__force unsigned *)(addr))
+#define writew_be(val, addr)						\
+	__raw_writew(cpu_to_be16((val)), (__force unsigned *)(addr))
+#define writel_be(val, addr)						\
+	__raw_writel(cpu_to_be32((val)), (__force unsigned *)(addr))
+#define writeq_be(val, addr)						\
+	__raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr))
 
 /*
- * Required nops will be inserted by the assembler
+ * Some code tests for these symbols
  */
-#define __IN2(m) \
-__asm__ __volatile__ ("l" #m "\t%0,%1(%2)"
-
-#define __IN(t,m,s,w) \
-__IN1(t,s) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); return __ioswab##w(_v); } \
-__IN1(t,s##c) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); return __ioswab##w(_v); } \
-__IN1(t,s##_p) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); SLOW_DOWN_IO; return __ioswab##w(_v); } \
-__IN1(t,s##c_p) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); SLOW_DOWN_IO; return __ioswab##w(_v); }
-
-#define __INS1(s) \
-static inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
-
-#define __INS2(m) \
-if (count) \
-__asm__ __volatile__ ( \
-	".set\tnoreorder\n\t" \
-	".set\tnoat\n" \
-	"1:\tl" #m "\t$1,%4(%5)\n\t" \
-	"subu\t%1,1\n\t" \
-	"s" #m "\t$1,(%0)\n\t" \
-	"bne\t$0,%1,1b\n\t" \
-	"addiu\t%0,%6\n\t" \
-	".set\tat\n\t" \
-	".set\treorder"
-
-#define __INS(m,s,i) \
-__INS1(s) __INS2(m) \
-	: "=r" (addr), "=r" (count) \
-	: "0" (addr), "1" (count), "i" (0), \
-	  "r" (mips_io_port_base+port), "I" (i) \
-	: "$1");} \
-__INS1(s##c) __INS2(m) \
-	: "=r" (addr), "=r" (count) \
-	: "0" (addr), "1" (count), "ir" (port), \
-	  "r" (mips_io_port_base), "I" (i) \
-	: "$1");}
-
-#define __OUTS1(s) \
-static inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
-
-#define __OUTS2(m) \
-if (count) \
-__asm__ __volatile__ ( \
-	".set\tnoreorder\n\t" \
-	".set\tnoat\n" \
-	"1:\tl" #m "\t$1,(%0)\n\t" \
-	"subu\t%1,1\n\t" \
-	"s" #m "\t$1,%4(%5)\n\t" \
-	"bne\t$0,%1,1b\n\t" \
-	"addiu\t%0,%6\n\t" \
-	".set\tat\n\t" \
-	".set\treorder"
-
-#define __OUTS(m,s,i) \
-__OUTS1(s) __OUTS2(m) \
-	: "=r" (addr), "=r" (count) \
-	: "0" (addr), "1" (count), "i" (0), "r" (mips_io_port_base+port), "I" (i) \
-	: "$1");} \
-__OUTS1(s##c) __OUTS2(m) \
-	: "=r" (addr), "=r" (count) \
-	: "0" (addr), "1" (count), "ir" (port), "r" (mips_io_port_base), "I" (i) \
-	: "$1");}
-
-__IN(unsigned char,b,b,8)
-__IN(unsigned short,h,w,16)
-__IN(unsigned int,w,l,32)
-
-__OUT(b,b,8)
-__OUT(h,w,16)
-__OUT(w,l,32)
-
-__INS(b,b,1)
-__INS(h,w,2)
-__INS(w,l,4)
-
-__OUTS(b,b,1)
-__OUTS(h,w,2)
-__OUTS(w,l,4)
+#define readq				readq
+#define writeq				writeq
+
+#define __BUILD_MEMORY_STRING(bwlq, type)				\
+									\
+static inline void writes##bwlq(volatile void __iomem *mem,		\
+				const void *addr, unsigned int count)	\
+{									\
+	const volatile type *__addr = addr;				\
+									\
+	while (count--) {						\
+		__mem_write##bwlq(*__addr, mem);			\
+		__addr++;						\
+	}								\
+}									\
+									\
+static inline void reads##bwlq(volatile void __iomem *mem, void *addr,	\
+			       unsigned int count)			\
+{									\
+	volatile type *__addr = addr;					\
+									\
+	while (count--) {						\
+		*__addr = __mem_read##bwlq(mem);			\
+		__addr++;						\
+	}								\
+}
 
+#define __BUILD_IOPORT_STRING(bwlq, type)				\
+									\
+static inline void outs##bwlq(unsigned long port, const void *addr,	\
+			      unsigned int count)			\
+{									\
+	const volatile type *__addr = addr;				\
+									\
+	while (count--) {						\
+		__mem_out##bwlq(*__addr, port);				\
+		__addr++;						\
+	}								\
+}									\
+									\
+static inline void ins##bwlq(unsigned long port, void *addr,		\
+			     unsigned int count)			\
+{									\
+	volatile type *__addr = addr;					\
+									\
+	while (count--) {						\
+		*__addr = __mem_in##bwlq(port);				\
+		__addr++;						\
+	}								\
+}
 
-/*
- * Note that due to the way __builtin_constant_p() works, you
- *  - can't use it inside an inline function (it will never be true)
- *  - you don't have to worry about side effects within the __builtin..
- */
-#define outb(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outbc((val),(port)) : \
-	__outb((val),(port)))
-
-#define inb(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inbc(port) : \
-	__inb(port))
-
-#define outb_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outbc_p((val),(port)) : \
-	__outb_p((val),(port)))
-
-#define inb_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inbc_p(port) : \
-	__inb_p(port))
-
-#define outw(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outwc((val),(port)) : \
-	__outw((val),(port)))
-
-#define inw(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inwc(port) : \
-	__inw(port))
-
-#define outw_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outwc_p((val),(port)) : \
-	__outw_p((val),(port)))
-
-#define inw_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inwc_p(port) : \
-	__inw_p(port))
-
-#define outl(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outlc((val),(port)) : \
-	__outl((val),(port)))
-
-#define inl(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inlc(port) : \
-	__inl(port))
-
-#define outl_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outlc_p((val),(port)) : \
-	__outl_p((val),(port)))
-
-#define inl_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inlc_p(port) : \
-	__inl_p(port))
-
-
-#define outsb(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outsbc((port),(addr),(count)) : \
-	__outsb ((port),(addr),(count)))
-
-#define insb(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__insbc((port),(addr),(count)) : \
-	__insb((port),(addr),(count)))
-
-#define outsw(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outswc((port),(addr),(count)) : \
-	__outsw ((port),(addr),(count)))
-
-#define insw(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inswc((port),(addr),(count)) : \
-	__insw((port),(addr),(count)))
-
-#define outsl(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__outslc((port),(addr),(count)) : \
-	__outsl ((port),(addr),(count)))
-
-#define insl(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
-	__inslc((port),(addr),(count)) : \
-	__insl((port),(addr),(count)))
+#define BUILDSTRING(bwlq, type)						\
+									\
+__BUILD_MEMORY_STRING(bwlq, type)					\
+__BUILD_IOPORT_STRING(bwlq, type)
 
-#define IO_SPACE_LIMIT 0xffff
+BUILDSTRING(b, u8)
+BUILDSTRING(w, u16)
+BUILDSTRING(l, u32)
+#ifdef CONFIG_64BIT
+BUILDSTRING(q, u64)
+#endif
 
-/*
- * The caches on some architectures aren't dma-coherent and have need to
- * handle this in software.  There are three types of operations that
- * can be applied to dma buffers.
- *
- *  - dma_cache_wback_inv(start, size) makes caches and coherent by
- *    writing the content of the caches back to memory, if necessary.
- *    The function also invalidates the affected part of the caches as
- *    necessary before DMA transfers from outside to memory.
- *  - dma_cache_wback(start, size) makes caches and coherent by
- *    writing the content of the caches back to memory, if necessary.
- *    The function also invalidates the affected part of the caches as
- *    necessary before DMA transfers from outside to memory.
- *  - dma_cache_inv(start, size) invalidates the affected parts of the
- *    caches.  Dirty lines of the caches may be written back or simply
- *    be discarded.  This operation is necessary before dma operations
- *    to the memory.
- */
-extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
-extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
-extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 
-#define dma_cache_wback_inv(start,size)	_dma_cache_wback_inv(start,size)
-#define dma_cache_wback(start,size)	_dma_cache_wback(start,size)
-#define dma_cache_inv(start,size)	_dma_cache_inv(start,size)
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define mmiowb() wmb()
+#else
+/* Depends on MIPS II instruction set */
+#define mmiowb() asm volatile ("sync" ::: "memory")
+#endif
 
-static inline void sync(void)
+static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
+{
+	memset((void __force *)addr, val, count);
+}
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
+{
+	memcpy(dst, (void __force *)src, count);
+}
+static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
 {
+	memcpy((void __force *)dst, src, count);
 }
 
 /*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
+ * Read a 32-bit register that requires a 64-bit read cycle on the bus.
+ * Avoid interrupt mucking, just adjust the address for 4-byte access.
+ * Assume the addresses are 8-byte aligned.
+ */
+#ifdef __MIPSEB__
+#define __CSR_32_ADJUST 4
+#else
+#define __CSR_32_ADJUST 0
+#endif
+
+#define csr_out32(v, a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v))
+#define csr_in32(a)    (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST))
+
+/*
+ * U-Boot specific
  */
-#define MAP_NOCACHE	(0)
+#define sync()		mmiowb()
+
+#define MAP_NOCACHE	(1)
 #define MAP_WRCOMBINE	(0)
 #define MAP_WRBACK	(0)
 #define MAP_WRTHROUGH	(0)
@@ -493,6 +528,9 @@ static inline void sync(void)
 static inline void *
 map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
 {
+	if (flags == MAP_NOCACHE)
+		return ioremap(paddr, len);
+
 	return (void *)paddr;
 }
 
@@ -501,7 +539,61 @@ map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
  */
 static inline void unmap_physmem(void *vaddr, unsigned long flags)
 {
+}
 
+#define __BUILD_CLRBITS(bwlq, sfx, end, type)				\
+									\
+static inline void clrbits_##sfx(volatile void __iomem *mem, type clr)	\
+{									\
+	type __val = __raw_read##bwlq(mem);				\
+	__val = end##_to_cpu(__val);					\
+	__val &= ~clr;							\
+	__val = cpu_to_##end(__val);					\
+	__raw_write##bwlq(__val, mem);					\
 }
 
+#define __BUILD_SETBITS(bwlq, sfx, end, type)				\
+									\
+static inline void setbits_##sfx(volatile void __iomem *mem, type set)	\
+{									\
+	type __val = __raw_read##bwlq(mem);				\
+	__val = end##_to_cpu(__val);					\
+	__val |= set;							\
+	__val = cpu_to_##end(__val);					\
+	__raw_write##bwlq(__val, mem);					\
+}
+
+#define __BUILD_CLRSETBITS(bwlq, sfx, end, type)			\
+									\
+static inline void clrsetbits_##sfx(volatile void __iomem *mem,		\
+					type clr, type set)		\
+{									\
+	type __val = __raw_read##bwlq(mem);				\
+	__val = end##_to_cpu(__val);					\
+	__val &= ~clr;							\
+	__val |= set;							\
+	__val = cpu_to_##end(__val);					\
+	__raw_write##bwlq(__val, mem);					\
+}
+
+#define BUILD_CLRSETBITS(bwlq, sfx, end, type)				\
+									\
+__BUILD_CLRBITS(bwlq, sfx, end, type)					\
+__BUILD_SETBITS(bwlq, sfx, end, type)					\
+__BUILD_CLRSETBITS(bwlq, sfx, end, type)
+
+#define __to_cpu(v)		(v)
+#define cpu_to__(v)		(v)
+
+BUILD_CLRSETBITS(b, 8, _, u8)
+BUILD_CLRSETBITS(w, le16, le16, u16)
+BUILD_CLRSETBITS(w, be16, be16, u16)
+BUILD_CLRSETBITS(w, 16, _, u16)
+BUILD_CLRSETBITS(l, le32, le32, u32)
+BUILD_CLRSETBITS(l, be32, be32, u32)
+BUILD_CLRSETBITS(l, 32, _, u32)
+BUILD_CLRSETBITS(q, le64, le64, u64)
+BUILD_CLRSETBITS(q, be64, be64, u64)
+BUILD_CLRSETBITS(q, 64, _, u64)
+
 #endif /* _ASM_IO_H */
diff --git a/arch/mips/include/asm/isadep.h b/arch/mips/include/asm/isadep.h
index 24c6cda..3d79ebc 100644
--- a/arch/mips/include/asm/isadep.h
+++ b/arch/mips/include/asm/isadep.h
@@ -4,6 +4,8 @@
  * of Coprocessor 0 registers.
  *
  * Copyright (c) 1998 Harald Koerfgen
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #ifndef __ASM_ISADEP_H
@@ -18,7 +20,7 @@
  * kernel or user mode? (CP0_STATUS)
  */
 #define KU_MASK 0x08
-#define	KU_USER 0x08
+#define KU_USER 0x08
 #define KU_KERN 0x00
 
 #else
@@ -26,7 +28,7 @@
  * kernel or user mode?
  */
 #define KU_MASK 0x18
-#define	KU_USER 0x10
+#define KU_USER 0x10
 #define KU_KERN 0x00
 
 #endif
diff --git a/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h
new file mode 100644
index 0000000..613f844
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2003 Ralf Baechle
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H
+
+/* Intentionally empty file ...	 */
+
+#endif /* __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-generic/ioremap.h b/arch/mips/include/asm/mach-generic/ioremap.h
new file mode 100644
index 0000000..6b191d5
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/ioremap.h
@@ -0,0 +1,32 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_IOREMAP_H
+#define __ASM_MACH_GENERIC_IOREMAP_H
+
+#include <linux/types.h>
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
+						phys_addr_t size)
+{
+	return phys_addr;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+						unsigned long flags)
+{
+	return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+	return 0;
+}
+
+#define _page_cachable_default	_CACHE_CACHABLE_NONCOHERENT
+
+#endif /* __ASM_MACH_GENERIC_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-generic/mangle-port.h b/arch/mips/include/asm/mach-generic/mangle-port.h
new file mode 100644
index 0000000..f18e53f
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/mangle-port.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_MANGLE_PORT_H
+#define __ASM_MACH_GENERIC_MANGLE_PORT_H
+
+#define __swizzle_addr_b(port)	(port)
+#define __swizzle_addr_w(port)	(port)
+#define __swizzle_addr_l(port)	(port)
+#define __swizzle_addr_q(port)	(port)
+
+/*
+ * Sane hardware offers swapping of PCI/ISA I/O space accesses in hardware;
+ * less sane hardware forces software to fiddle with this...
+ *
+ * Regardless, if the host bus endianness mismatches that of PCI/ISA, then
+ * you can't have the numerical value of data and byte addresses within
+ * multibyte quantities both preserved at the same time.  Hence two
+ * variations of functions: non-prefixed ones that preserve the value
+ * and prefixed ones that preserve byte addresses.  The latters are
+ * typically used for moving raw data between a peripheral and memory (cf.
+ * string I/O functions), hence the "__mem_" prefix.
+ */
+#if defined(CONFIG_SWAP_IO_SPACE)
+
+# define ioswabb(a, x)		(x)
+# define __mem_ioswabb(a, x)	(x)
+# define ioswabw(a, x)		le16_to_cpu(x)
+# define __mem_ioswabw(a, x)	(x)
+# define ioswabl(a, x)		le32_to_cpu(x)
+# define __mem_ioswabl(a, x)	(x)
+# define ioswabq(a, x)		le64_to_cpu(x)
+# define __mem_ioswabq(a, x)	(x)
+
+#else
+
+# define ioswabb(a, x)		(x)
+# define __mem_ioswabb(a, x)	(x)
+# define ioswabw(a, x)		(x)
+# define __mem_ioswabw(a, x)	cpu_to_le16(x)
+# define ioswabl(a, x)		(x)
+# define __mem_ioswabl(a, x)	cpu_to_le32(x)
+# define ioswabq(a, x)		(x)
+# define __mem_ioswabq(a, x)	cpu_to_le32(x)
+
+#endif
+
+#endif /* __ASM_MACH_GENERIC_MANGLE_PORT_H */
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
new file mode 100644
index 0000000..ab06674
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002  Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef _ASM_MACH_GENERIC_SPACES_H
+#define _ASM_MACH_GENERIC_SPACES_H
+
+#include <asm/const.h>
+
+/*
+ * This gives the physical RAM offset.
+ */
+#ifndef PHYS_OFFSET
+#define PHYS_OFFSET		_AC(0, UL)
+#endif
+
+#ifdef CONFIG_32BIT
+#ifdef CONFIG_KVM_GUEST
+#define CAC_BASE		_AC(0x40000000, UL)
+#else
+#define CAC_BASE		_AC(0x80000000, UL)
+#endif
+#ifndef IO_BASE
+#define IO_BASE			_AC(0xa0000000, UL)
+#endif
+#ifndef UNCAC_BASE
+#define UNCAC_BASE		_AC(0xa0000000, UL)
+#endif
+
+#ifndef MAP_BASE
+#ifdef CONFIG_KVM_GUEST
+#define MAP_BASE		_AC(0x60000000, UL)
+#else
+#define MAP_BASE		_AC(0xc0000000, UL)
+#endif
+#endif
+
+/*
+ * Memory above this physical address will be considered highmem.
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START		_AC(0x20000000, UL)
+#endif
+
+#endif /* CONFIG_32BIT */
+
+#ifdef CONFIG_64BIT
+
+#ifndef CAC_BASE
+#ifdef CONFIG_DMA_NONCOHERENT
+#define CAC_BASE		_AC(0x9800000000000000, UL)
+#else
+#define CAC_BASE		_AC(0xa800000000000000, UL)
+#endif
+#endif
+
+#ifndef IO_BASE
+#define IO_BASE			_AC(0x9000000000000000, UL)
+#endif
+
+#ifndef UNCAC_BASE
+#define UNCAC_BASE		_AC(0x9000000000000000, UL)
+#endif
+
+#ifndef MAP_BASE
+#define MAP_BASE		_AC(0xc000000000000000, UL)
+#endif
+
+/*
+ * Memory above this physical address will be considered highmem.
+ * Fixme: 59 bits is a fictive number and makes assumptions about processors
+ * in the distant future.  Nobody will care for a few years :-)
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START		(_AC(1, UL) << _AC(59, UL))
+#endif
+
+#define TO_PHYS(x)		(	      ((x) & TO_PHYS_MASK))
+#define TO_CAC(x)		(CAC_BASE   | ((x) & TO_PHYS_MASK))
+#define TO_UNCAC(x)		(UNCAC_BASE | ((x) & TO_PHYS_MASK))
+
+#endif /* CONFIG_64BIT */
+
+/*
+ * This handles the memory map.
+ */
+#ifndef PAGE_OFFSET
+#define PAGE_OFFSET		(CAC_BASE + PHYS_OFFSET)
+#endif
+
+#ifndef FIXADDR_TOP
+#ifdef CONFIG_KVM_GUEST
+#define FIXADDR_TOP		((unsigned long)(long)(int)0x7ffe0000)
+#else
+#define FIXADDR_TOP		((unsigned long)(long)(int)0xfffe0000)
+#endif
+#endif
+
+#endif /* __ASM_MACH_GENERIC_SPACES_H */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index c7a0849..3185dc7 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1,22 +1,16 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
  * Copyright (C) 2000 Silicon Graphics, Inc.
  * Modified for further R[236]000 support by Paul M. Antoine, 1996.
  * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000, 07 MIPS Technologies, Inc.
  * Copyright (C) 2003, 2004  Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_MIPSREGS_H
 #define _ASM_MIPSREGS_H
 
-#if 0
-#include <linux/linkage.h>
-#endif
-
 /*
  * The following macros are especially useful for __asm__
  * inline assembler.
@@ -49,7 +43,9 @@
 #define CP0_PAGEMASK $5
 #define CP0_WIRED $6
 #define CP0_INFO $7
+#define CP0_HWRENA $7, 0
 #define CP0_BADVADDR $8
+#define CP0_BADINSTR $8, 1
 #define CP0_COUNT $9
 #define CP0_ENTRYHI $10
 #define CP0_COMPARE $11
@@ -57,7 +53,11 @@
 #define CP0_CAUSE $13
 #define CP0_EPC $14
 #define CP0_PRID $15
+#define CP0_EBASE $15, 1
+#define CP0_CMGCRBASE $15, 3
 #define CP0_CONFIG $16
+#define CP0_CONFIG3 $16, 3
+#define CP0_CONFIG5 $16, 5
 #define CP0_LLADDR $17
 #define CP0_WATCHLO $18
 #define CP0_WATCHHI $19
@@ -98,74 +98,36 @@
 /*
  * Coprocessor 0 Set 2 register names
  */
-#define CP0_S2_SRSCTL	$12	/* MIPSR2 */
+#define CP0_S2_SRSCTL	  $12	/* MIPSR2 */
 
 /*
  * Coprocessor 0 Set 3 register names
  */
-#define CP0_S3_SRSMAP	$12	/* MIPSR2 */
+#define CP0_S3_SRSMAP	  $12	/* MIPSR2 */
 
 /*
  *  TX39 Series
  */
 #define CP0_TX39_CACHE	$7
 
-/*
- * Coprocessor 1 (FPU) register names
- */
-#define CP1_REVISION	$0
-#define CP1_STATUS	$31
 
-/*
- * FPU Status Register Values
- */
-/*
- * Status Register Values
- */
+/* Generic EntryLo bit definitions */
+#define ENTRYLO_G		(_ULCAST_(1) << 0)
+#define ENTRYLO_V		(_ULCAST_(1) << 1)
+#define ENTRYLO_D		(_ULCAST_(1) << 2)
+#define ENTRYLO_C_SHIFT		3
+#define ENTRYLO_C		(_ULCAST_(7) << ENTRYLO_C_SHIFT)
 
-#define FPU_CSR_FLUSH	0x01000000	/* flush denormalised results to 0 */
-#define FPU_CSR_COND	0x00800000	/* $fcc0 */
-#define FPU_CSR_COND0	0x00800000	/* $fcc0 */
-#define FPU_CSR_COND1	0x02000000	/* $fcc1 */
-#define FPU_CSR_COND2	0x04000000	/* $fcc2 */
-#define FPU_CSR_COND3	0x08000000	/* $fcc3 */
-#define FPU_CSR_COND4	0x10000000	/* $fcc4 */
-#define FPU_CSR_COND5	0x20000000	/* $fcc5 */
-#define FPU_CSR_COND6	0x40000000	/* $fcc6 */
-#define FPU_CSR_COND7	0x80000000	/* $fcc7 */
+/* R3000 EntryLo bit definitions */
+#define R3K_ENTRYLO_G		(_ULCAST_(1) << 8)
+#define R3K_ENTRYLO_V		(_ULCAST_(1) << 9)
+#define R3K_ENTRYLO_D		(_ULCAST_(1) << 10)
+#define R3K_ENTRYLO_N		(_ULCAST_(1) << 11)
 
-/*
- * X the exception cause indicator
- * E the exception enable
- * S the sticky/flag bit
- */
-#define FPU_CSR_ALL_X	0x0003f000
-#define FPU_CSR_UNI_X	0x00020000
-#define FPU_CSR_INV_X	0x00010000
-#define FPU_CSR_DIV_X	0x00008000
-#define FPU_CSR_OVF_X	0x00004000
-#define FPU_CSR_UDF_X	0x00002000
-#define FPU_CSR_INE_X	0x00001000
-
-#define FPU_CSR_ALL_E	0x00000f80
-#define FPU_CSR_INV_E	0x00000800
-#define FPU_CSR_DIV_E	0x00000400
-#define FPU_CSR_OVF_E	0x00000200
-#define FPU_CSR_UDF_E	0x00000100
-#define FPU_CSR_INE_E	0x00000080
-
-#define FPU_CSR_ALL_S	0x0000007c
-#define FPU_CSR_INV_S	0x00000040
-#define FPU_CSR_DIV_S	0x00000020
-#define FPU_CSR_OVF_S	0x00000010
-#define FPU_CSR_UDF_S	0x00000008
-#define FPU_CSR_INE_S	0x00000004
-
-/* rounding mode */
-#define FPU_CSR_RN	0x0	/* nearest */
-#define FPU_CSR_RZ	0x1	/* towards zero */
-#define FPU_CSR_RU	0x2	/* towards +Infinity */
-#define FPU_CSR_RD	0x3	/* towards -Infinity */
+/* MIPS32/64 EntryLo bit definitions */
+#define MIPS_ENTRYLO_PFN_SHIFT	6
+#define MIPS_ENTRYLO_XI		(_ULCAST_(1) << (BITS_PER_LONG - 2))
+#define MIPS_ENTRYLO_RI		(_ULCAST_(1) << (BITS_PER_LONG - 1))
 
 /*
  * Values for PageMask register
@@ -183,14 +145,22 @@
 #else
 
 #define PM_4K		0x00000000
+#define PM_8K		0x00002000
 #define PM_16K		0x00006000
+#define PM_32K		0x0000e000
 #define PM_64K		0x0001e000
+#define PM_128K		0x0003e000
 #define PM_256K		0x0007e000
+#define PM_512K		0x000fe000
 #define PM_1M		0x001fe000
+#define PM_2M		0x003fe000
 #define PM_4M		0x007fe000
+#define PM_8M		0x00ffe000
 #define PM_16M		0x01ffe000
+#define PM_32M		0x03ffe000
 #define PM_64M		0x07ffe000
 #define PM_256M		0x1fffe000
+#define PM_1G		0x7fffe000
 
 #endif
 
@@ -208,10 +178,22 @@
 #define PL_256M		28
 
 /*
+ * PageGrain bits
+ */
+#define PG_RIE		(_ULCAST_(1) <<	 31)
+#define PG_XIE		(_ULCAST_(1) <<	 30)
+#define PG_ELPA		(_ULCAST_(1) <<	 29)
+#define PG_ESP		(_ULCAST_(1) <<	 28)
+#define PG_IEC		(_ULCAST_(1) <<  27)
+
+/* MIPS32/64 EntryHI bit definitions */
+#define MIPS_ENTRYHI_EHINV	(_ULCAST_(1) << 10)
+
+/*
  * R4x00 interrupt enable / cause bits
  */
-#define IE_SW0		(_ULCAST_(1) <<  8)
-#define IE_SW1		(_ULCAST_(1) <<  9)
+#define IE_SW0		(_ULCAST_(1) <<	 8)
+#define IE_SW1		(_ULCAST_(1) <<	 9)
 #define IE_IRQ0		(_ULCAST_(1) << 10)
 #define IE_IRQ1		(_ULCAST_(1) << 11)
 #define IE_IRQ2		(_ULCAST_(1) << 12)
@@ -222,8 +204,8 @@
 /*
  * R4x00 interrupt cause bits
  */
-#define C_SW0		(_ULCAST_(1) <<  8)
-#define C_SW1		(_ULCAST_(1) <<  9)
+#define C_SW0		(_ULCAST_(1) <<	 8)
+#define C_SW1		(_ULCAST_(1) <<	 9)
 #define C_IRQ0		(_ULCAST_(1) << 10)
 #define C_IRQ1		(_ULCAST_(1) << 11)
 #define C_IRQ2		(_ULCAST_(1) << 12)
@@ -271,7 +253,7 @@
 /*
  * Bits specific to the R4640/R4650
  */
-#define ST0_UM			(_ULCAST_(1) <<  4)
+#define ST0_UM			(_ULCAST_(1) <<	 4)
 #define ST0_IL			(_ULCAST_(1) << 23)
 #define ST0_DL			(_ULCAST_(1) << 24)
 
@@ -281,75 +263,43 @@
 #define ST0_MX			0x01000000
 
 /*
- * Bitfields in the TX39 family CP0 Configuration Register 3
- */
-#define TX39_CONF_ICS_SHIFT	19
-#define TX39_CONF_ICS_MASK	0x00380000
-#define TX39_CONF_ICS_1KB	0x00000000
-#define TX39_CONF_ICS_2KB	0x00080000
-#define TX39_CONF_ICS_4KB	0x00100000
-#define TX39_CONF_ICS_8KB	0x00180000
-#define TX39_CONF_ICS_16KB	0x00200000
-
-#define TX39_CONF_DCS_SHIFT	16
-#define TX39_CONF_DCS_MASK	0x00070000
-#define TX39_CONF_DCS_1KB	0x00000000
-#define TX39_CONF_DCS_2KB	0x00010000
-#define TX39_CONF_DCS_4KB	0x00020000
-#define TX39_CONF_DCS_8KB	0x00030000
-#define TX39_CONF_DCS_16KB	0x00040000
-
-#define TX39_CONF_CWFON		0x00004000
-#define TX39_CONF_WBON		0x00002000
-#define TX39_CONF_RF_SHIFT	10
-#define TX39_CONF_RF_MASK	0x00000c00
-#define TX39_CONF_DOZE		0x00000200
-#define TX39_CONF_HALT		0x00000100
-#define TX39_CONF_LOCK		0x00000080
-#define TX39_CONF_ICE		0x00000020
-#define TX39_CONF_DCE		0x00000010
-#define TX39_CONF_IRSIZE_SHIFT	2
-#define TX39_CONF_IRSIZE_MASK	0x0000000c
-#define TX39_CONF_DRSIZE_SHIFT	0
-#define TX39_CONF_DRSIZE_MASK	0x00000003
-
-/*
  * Status register bits available in all MIPS CPUs.
  */
 #define ST0_IM			0x0000ff00
-#define  STATUSB_IP0		8
-#define  STATUSF_IP0		(_ULCAST_(1) <<  8)
-#define  STATUSB_IP1		9
-#define  STATUSF_IP1		(_ULCAST_(1) <<  9)
-#define  STATUSB_IP2		10
-#define  STATUSF_IP2		(_ULCAST_(1) << 10)
-#define  STATUSB_IP3		11
-#define  STATUSF_IP3		(_ULCAST_(1) << 11)
-#define  STATUSB_IP4		12
-#define  STATUSF_IP4		(_ULCAST_(1) << 12)
-#define  STATUSB_IP5		13
-#define  STATUSF_IP5		(_ULCAST_(1) << 13)
-#define  STATUSB_IP6		14
-#define  STATUSF_IP6		(_ULCAST_(1) << 14)
-#define  STATUSB_IP7		15
-#define  STATUSF_IP7		(_ULCAST_(1) << 15)
-#define  STATUSB_IP8		0
-#define  STATUSF_IP8		(_ULCAST_(1) <<  0)
-#define  STATUSB_IP9		1
-#define  STATUSF_IP9		(_ULCAST_(1) <<  1)
-#define  STATUSB_IP10		2
-#define  STATUSF_IP10		(_ULCAST_(1) <<  2)
-#define  STATUSB_IP11		3
-#define  STATUSF_IP11		(_ULCAST_(1) <<  3)
-#define  STATUSB_IP12		4
-#define  STATUSF_IP12		(_ULCAST_(1) <<  4)
-#define  STATUSB_IP13		5
-#define  STATUSF_IP13		(_ULCAST_(1) <<  5)
-#define  STATUSB_IP14		6
-#define  STATUSF_IP14		(_ULCAST_(1) <<  6)
-#define  STATUSB_IP15		7
-#define  STATUSF_IP15		(_ULCAST_(1) <<  7)
+#define	 STATUSB_IP0		8
+#define	 STATUSF_IP0		(_ULCAST_(1) <<	 8)
+#define	 STATUSB_IP1		9
+#define	 STATUSF_IP1		(_ULCAST_(1) <<	 9)
+#define	 STATUSB_IP2		10
+#define	 STATUSF_IP2		(_ULCAST_(1) << 10)
+#define	 STATUSB_IP3		11
+#define	 STATUSF_IP3		(_ULCAST_(1) << 11)
+#define	 STATUSB_IP4		12
+#define	 STATUSF_IP4		(_ULCAST_(1) << 12)
+#define	 STATUSB_IP5		13
+#define	 STATUSF_IP5		(_ULCAST_(1) << 13)
+#define	 STATUSB_IP6		14
+#define	 STATUSF_IP6		(_ULCAST_(1) << 14)
+#define	 STATUSB_IP7		15
+#define	 STATUSF_IP7		(_ULCAST_(1) << 15)
+#define	 STATUSB_IP8		0
+#define	 STATUSF_IP8		(_ULCAST_(1) <<	 0)
+#define	 STATUSB_IP9		1
+#define	 STATUSF_IP9		(_ULCAST_(1) <<	 1)
+#define	 STATUSB_IP10		2
+#define	 STATUSF_IP10		(_ULCAST_(1) <<	 2)
+#define	 STATUSB_IP11		3
+#define	 STATUSF_IP11		(_ULCAST_(1) <<	 3)
+#define	 STATUSB_IP12		4
+#define	 STATUSF_IP12		(_ULCAST_(1) <<	 4)
+#define	 STATUSB_IP13		5
+#define	 STATUSF_IP13		(_ULCAST_(1) <<	 5)
+#define	 STATUSB_IP14		6
+#define	 STATUSF_IP14		(_ULCAST_(1) <<	 6)
+#define	 STATUSB_IP15		7
+#define	 STATUSF_IP15		(_ULCAST_(1) <<	 7)
 #define ST0_CH			0x00040000
+#define ST0_NMI			0x00080000
 #define ST0_SR			0x00100000
 #define ST0_TS			0x00200000
 #define ST0_BEV			0x00400000
@@ -363,36 +313,52 @@
 #define ST0_XX			0x80000000	/* MIPS IV naming */
 
 /*
+ * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
+ */
+#define INTCTLB_IPFDC		23
+#define INTCTLF_IPFDC		(_ULCAST_(7) << INTCTLB_IPFDC)
+#define INTCTLB_IPPCI		26
+#define INTCTLF_IPPCI		(_ULCAST_(7) << INTCTLB_IPPCI)
+#define INTCTLB_IPTI		29
+#define INTCTLF_IPTI		(_ULCAST_(7) << INTCTLB_IPTI)
+
+/*
  * Bitfields and bit numbers in the coprocessor 0 cause register.
  *
  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
  */
-#define  CAUSEB_EXCCODE		2
-#define  CAUSEF_EXCCODE		(_ULCAST_(31)  <<  2)
-#define  CAUSEB_IP		8
-#define  CAUSEF_IP		(_ULCAST_(255) <<  8)
-#define  CAUSEB_IP0		8
-#define  CAUSEF_IP0		(_ULCAST_(1)   <<  8)
-#define  CAUSEB_IP1		9
-#define  CAUSEF_IP1		(_ULCAST_(1)   <<  9)
-#define  CAUSEB_IP2		10
-#define  CAUSEF_IP2		(_ULCAST_(1)   << 10)
-#define  CAUSEB_IP3		11
-#define  CAUSEF_IP3		(_ULCAST_(1)   << 11)
-#define  CAUSEB_IP4		12
-#define  CAUSEF_IP4		(_ULCAST_(1)   << 12)
-#define  CAUSEB_IP5		13
-#define  CAUSEF_IP5		(_ULCAST_(1)   << 13)
-#define  CAUSEB_IP6		14
-#define  CAUSEF_IP6		(_ULCAST_(1)   << 14)
-#define  CAUSEB_IP7		15
-#define  CAUSEF_IP7		(_ULCAST_(1)   << 15)
-#define  CAUSEB_IV		23
-#define  CAUSEF_IV		(_ULCAST_(1)   << 23)
-#define  CAUSEB_CE		28
-#define  CAUSEF_CE		(_ULCAST_(3)   << 28)
-#define  CAUSEB_BD		31
-#define  CAUSEF_BD		(_ULCAST_(1)   << 31)
+#define CAUSEB_EXCCODE		2
+#define CAUSEF_EXCCODE		(_ULCAST_(31)  <<  2)
+#define CAUSEB_IP		8
+#define CAUSEF_IP		(_ULCAST_(255) <<  8)
+#define	 CAUSEB_IP0		8
+#define	 CAUSEF_IP0		(_ULCAST_(1)   <<  8)
+#define	 CAUSEB_IP1		9
+#define	 CAUSEF_IP1		(_ULCAST_(1)   <<  9)
+#define	 CAUSEB_IP2		10
+#define	 CAUSEF_IP2		(_ULCAST_(1)   << 10)
+#define	 CAUSEB_IP3		11
+#define	 CAUSEF_IP3		(_ULCAST_(1)   << 11)
+#define	 CAUSEB_IP4		12
+#define	 CAUSEF_IP4		(_ULCAST_(1)   << 12)
+#define	 CAUSEB_IP5		13
+#define	 CAUSEF_IP5		(_ULCAST_(1)   << 13)
+#define	 CAUSEB_IP6		14
+#define	 CAUSEF_IP6		(_ULCAST_(1)   << 14)
+#define	 CAUSEB_IP7		15
+#define	 CAUSEF_IP7		(_ULCAST_(1)   << 15)
+#define CAUSEB_FDCI		21
+#define CAUSEF_FDCI		(_ULCAST_(1)   << 21)
+#define CAUSEB_IV		23
+#define CAUSEF_IV		(_ULCAST_(1)   << 23)
+#define CAUSEB_PCI		26
+#define CAUSEF_PCI		(_ULCAST_(1)   << 26)
+#define CAUSEB_CE		28
+#define CAUSEF_CE		(_ULCAST_(3)   << 28)
+#define CAUSEB_TI		30
+#define CAUSEF_TI		(_ULCAST_(1)   << 30)
+#define CAUSEB_BD		31
+#define CAUSEF_BD		(_ULCAST_(1)   << 31)
 
 /*
  * Bits in the coprocessor 0 config register.
@@ -410,43 +376,43 @@
 #define CONF_BE			(_ULCAST_(1) << 15)
 
 /* Bits common to various processors.  */
-#define CONF_CU			(_ULCAST_(1) <<  3)
-#define CONF_DB			(_ULCAST_(1) <<  4)
-#define CONF_IB			(_ULCAST_(1) <<  5)
-#define CONF_DC			(_ULCAST_(7) <<  6)
-#define CONF_IC			(_ULCAST_(7) <<  9)
+#define CONF_CU			(_ULCAST_(1) <<	 3)
+#define CONF_DB			(_ULCAST_(1) <<	 4)
+#define CONF_IB			(_ULCAST_(1) <<	 5)
+#define CONF_DC			(_ULCAST_(7) <<	 6)
+#define CONF_IC			(_ULCAST_(7) <<	 9)
 #define CONF_EB			(_ULCAST_(1) << 13)
 #define CONF_EM			(_ULCAST_(1) << 14)
 #define CONF_SM			(_ULCAST_(1) << 16)
 #define CONF_SC			(_ULCAST_(1) << 17)
 #define CONF_EW			(_ULCAST_(3) << 18)
-#define CONF_EP			(_ULCAST_(15)<< 24)
+#define CONF_EP			(_ULCAST_(15) << 24)
 #define CONF_EC			(_ULCAST_(7) << 28)
 #define CONF_CM			(_ULCAST_(1) << 31)
 
-/* Bits specific to the R4xx0.  */
+/* Bits specific to the R4xx0.	*/
 #define R4K_CONF_SW		(_ULCAST_(1) << 20)
 #define R4K_CONF_SS		(_ULCAST_(1) << 21)
 #define R4K_CONF_SB		(_ULCAST_(3) << 22)
 
-/* Bits specific to the R5000.  */
+/* Bits specific to the R5000.	*/
 #define R5K_CONF_SE		(_ULCAST_(1) << 12)
 #define R5K_CONF_SS		(_ULCAST_(3) << 20)
 
-/* Bits specific to the RM7000.  */
-#define RM7K_CONF_SE		(_ULCAST_(1) <<  3)
+/* Bits specific to the RM7000.	 */
+#define RM7K_CONF_SE		(_ULCAST_(1) <<	 3)
 #define RM7K_CONF_TE		(_ULCAST_(1) << 12)
 #define RM7K_CONF_CLK		(_ULCAST_(1) << 16)
 #define RM7K_CONF_TC		(_ULCAST_(1) << 17)
 #define RM7K_CONF_SI		(_ULCAST_(3) << 20)
 #define RM7K_CONF_SC		(_ULCAST_(1) << 31)
 
-/* Bits specific to the R10000.  */
-#define R10K_CONF_DN		(_ULCAST_(3) <<  3)
-#define R10K_CONF_CT		(_ULCAST_(1) <<  5)
-#define R10K_CONF_PE		(_ULCAST_(1) <<  6)
-#define R10K_CONF_PM		(_ULCAST_(3) <<  7)
-#define R10K_CONF_EC		(_ULCAST_(15)<<  9)
+/* Bits specific to the R10000.	 */
+#define R10K_CONF_DN		(_ULCAST_(3) <<	 3)
+#define R10K_CONF_CT		(_ULCAST_(1) <<	 5)
+#define R10K_CONF_PE		(_ULCAST_(1) <<	 6)
+#define R10K_CONF_PM		(_ULCAST_(3) <<	 7)
+#define R10K_CONF_EC		(_ULCAST_(15) << 9)
 #define R10K_CONF_SB		(_ULCAST_(1) << 13)
 #define R10K_CONF_SK		(_ULCAST_(1) << 14)
 #define R10K_CONF_SS		(_ULCAST_(7) << 16)
@@ -454,14 +420,14 @@
 #define R10K_CONF_DC		(_ULCAST_(7) << 26)
 #define R10K_CONF_IC		(_ULCAST_(7) << 29)
 
-/* Bits specific to the VR41xx.  */
+/* Bits specific to the VR41xx.	 */
 #define VR41_CONF_CS		(_ULCAST_(1) << 12)
 #define VR41_CONF_P4K		(_ULCAST_(1) << 13)
 #define VR41_CONF_BP		(_ULCAST_(1) << 16)
 #define VR41_CONF_M16		(_ULCAST_(1) << 20)
 #define VR41_CONF_AD		(_ULCAST_(1) << 23)
 
-/* Bits specific to the R30xx.  */
+/* Bits specific to the R30xx.	*/
 #define R30XX_CONF_FDM		(_ULCAST_(1) << 19)
 #define R30XX_CONF_REV		(_ULCAST_(1) << 22)
 #define R30XX_CONF_AC		(_ULCAST_(1) << 23)
@@ -478,8 +444,10 @@
 #define TX49_CONF_HALT		(_ULCAST_(1) << 18)
 #define TX49_CONF_CWFON		(_ULCAST_(1) << 27)
 
-/* Bits specific to the MIPS32/64 PRA.  */
-#define MIPS_CONF_MT		(_ULCAST_(7) <<  7)
+/* Bits specific to the MIPS32/64 PRA.	*/
+#define MIPS_CONF_MT		(_ULCAST_(7) <<	 7)
+#define MIPS_CONF_MT_TLB	(_ULCAST_(1) <<  7)
+#define MIPS_CONF_MT_FTLB	(_ULCAST_(4) <<  7)
 #define MIPS_CONF_AR		(_ULCAST_(7) << 10)
 #define MIPS_CONF_AT		(_ULCAST_(3) << 13)
 #define MIPS_CONF_M		(_ULCAST_(1) << 31)
@@ -487,50 +455,245 @@
 /*
  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
  */
-#define MIPS_CONF1_FP		(_ULCAST_(1) <<  0)
-#define MIPS_CONF1_EP		(_ULCAST_(1) <<  1)
-#define MIPS_CONF1_CA		(_ULCAST_(1) <<  2)
-#define MIPS_CONF1_WR		(_ULCAST_(1) <<  3)
-#define MIPS_CONF1_PC		(_ULCAST_(1) <<  4)
-#define MIPS_CONF1_MD		(_ULCAST_(1) <<  5)
-#define MIPS_CONF1_C2		(_ULCAST_(1) <<  6)
-#define MIPS_CONF1_DA_SHIFT	7
-#define MIPS_CONF1_DA		(_ULCAST_(7) <<  7)
-#define MIPS_CONF1_DL_SHIFT	10
+#define MIPS_CONF1_FP		(_ULCAST_(1) <<	 0)
+#define MIPS_CONF1_EP		(_ULCAST_(1) <<	 1)
+#define MIPS_CONF1_CA		(_ULCAST_(1) <<	 2)
+#define MIPS_CONF1_WR		(_ULCAST_(1) <<	 3)
+#define MIPS_CONF1_PC		(_ULCAST_(1) <<	 4)
+#define MIPS_CONF1_MD		(_ULCAST_(1) <<	 5)
+#define MIPS_CONF1_C2		(_ULCAST_(1) <<	 6)
+#define MIPS_CONF1_DA_SHF	7
+#define MIPS_CONF1_DA_SZ	3
+#define MIPS_CONF1_DA		(_ULCAST_(7) <<	 7)
+#define MIPS_CONF1_DL_SHF	10
+#define MIPS_CONF1_DL_SZ	3
 #define MIPS_CONF1_DL		(_ULCAST_(7) << 10)
-#define MIPS_CONF1_DS_SHIFT	13
+#define MIPS_CONF1_DS_SHF	13
+#define MIPS_CONF1_DS_SZ	3
 #define MIPS_CONF1_DS		(_ULCAST_(7) << 13)
-#define MIPS_CONF1_IA_SHIFT	16
+#define MIPS_CONF1_IA_SHF	16
+#define MIPS_CONF1_IA_SZ	3
 #define MIPS_CONF1_IA		(_ULCAST_(7) << 16)
-#define MIPS_CONF1_IL_SHIFT	19
+#define MIPS_CONF1_IL_SHF	19
+#define MIPS_CONF1_IL_SZ	3
 #define MIPS_CONF1_IL		(_ULCAST_(7) << 19)
-#define MIPS_CONF1_IS_SHIFT	22
+#define MIPS_CONF1_IS_SHF	22
+#define MIPS_CONF1_IS_SZ	3
 #define MIPS_CONF1_IS		(_ULCAST_(7) << 22)
-#define MIPS_CONF1_TLBS		(_ULCAST_(63)<< 25)
-
-#define MIPS_CONF2_SA		(_ULCAST_(15)<<  0)
-#define MIPS_CONF2_SL		(_ULCAST_(15)<<  4)
-#define MIPS_CONF2_SS		(_ULCAST_(15)<<  8)
-#define MIPS_CONF2_SU		(_ULCAST_(15)<< 12)
-#define MIPS_CONF2_TA		(_ULCAST_(15)<< 16)
-#define MIPS_CONF2_TL		(_ULCAST_(15)<< 20)
-#define MIPS_CONF2_TS		(_ULCAST_(15)<< 24)
+#define MIPS_CONF1_TLBS_SHIFT   (25)
+#define MIPS_CONF1_TLBS_SIZE    (6)
+#define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
+
+#define MIPS_CONF2_SA		(_ULCAST_(15) << 0)
+#define MIPS_CONF2_SL		(_ULCAST_(15) << 4)
+#define MIPS_CONF2_SS		(_ULCAST_(15) << 8)
+#define MIPS_CONF2_SU		(_ULCAST_(15) << 12)
+#define MIPS_CONF2_TA		(_ULCAST_(15) << 16)
+#define MIPS_CONF2_TL		(_ULCAST_(15) << 20)
+#define MIPS_CONF2_TS		(_ULCAST_(15) << 24)
 #define MIPS_CONF2_TU		(_ULCAST_(7) << 28)
 
-#define MIPS_CONF3_TL		(_ULCAST_(1) <<  0)
-#define MIPS_CONF3_SM		(_ULCAST_(1) <<  1)
-#define MIPS_CONF3_MT		(_ULCAST_(1) <<  2)
-#define MIPS_CONF3_SP		(_ULCAST_(1) <<  4)
-#define MIPS_CONF3_VINT		(_ULCAST_(1) <<  5)
-#define MIPS_CONF3_VEIC		(_ULCAST_(1) <<  6)
-#define MIPS_CONF3_LPA		(_ULCAST_(1) <<  7)
+#define MIPS_CONF3_TL		(_ULCAST_(1) <<	 0)
+#define MIPS_CONF3_SM		(_ULCAST_(1) <<	 1)
+#define MIPS_CONF3_MT		(_ULCAST_(1) <<	 2)
+#define MIPS_CONF3_CDMM		(_ULCAST_(1) <<	 3)
+#define MIPS_CONF3_SP		(_ULCAST_(1) <<	 4)
+#define MIPS_CONF3_VINT		(_ULCAST_(1) <<	 5)
+#define MIPS_CONF3_VEIC		(_ULCAST_(1) <<	 6)
+#define MIPS_CONF3_LPA		(_ULCAST_(1) <<	 7)
+#define MIPS_CONF3_ITL		(_ULCAST_(1) <<	 8)
+#define MIPS_CONF3_CTXTC	(_ULCAST_(1) <<	 9)
 #define MIPS_CONF3_DSP		(_ULCAST_(1) << 10)
+#define MIPS_CONF3_DSP2P	(_ULCAST_(1) << 11)
+#define MIPS_CONF3_RXI		(_ULCAST_(1) << 12)
 #define MIPS_CONF3_ULRI		(_ULCAST_(1) << 13)
+#define MIPS_CONF3_ISA		(_ULCAST_(3) << 14)
+#define MIPS_CONF3_ISA_OE	(_ULCAST_(1) << 16)
+#define MIPS_CONF3_MCU		(_ULCAST_(1) << 17)
+#define MIPS_CONF3_MMAR		(_ULCAST_(7) << 18)
+#define MIPS_CONF3_IPLW		(_ULCAST_(3) << 21)
+#define MIPS_CONF3_VZ		(_ULCAST_(1) << 23)
+#define MIPS_CONF3_PW		(_ULCAST_(1) << 24)
+#define MIPS_CONF3_SC		(_ULCAST_(1) << 25)
+#define MIPS_CONF3_BI		(_ULCAST_(1) << 26)
+#define MIPS_CONF3_BP		(_ULCAST_(1) << 27)
+#define MIPS_CONF3_MSA		(_ULCAST_(1) << 28)
+#define MIPS_CONF3_CMGCR	(_ULCAST_(1) << 29)
+#define MIPS_CONF3_BPG		(_ULCAST_(1) << 30)
+
+#define MIPS_CONF4_MMUSIZEEXT_SHIFT	(0)
+#define MIPS_CONF4_MMUSIZEEXT	(_ULCAST_(255) << 0)
+#define MIPS_CONF4_FTLBSETS_SHIFT	(0)
+#define MIPS_CONF4_FTLBSETS	(_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
+#define MIPS_CONF4_FTLBWAYS_SHIFT	(4)
+#define MIPS_CONF4_FTLBWAYS	(_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
+#define MIPS_CONF4_FTLBPAGESIZE_SHIFT	(8)
+/* bits 10:8 in FTLB-only configurations */
+#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+/* bits 12:8 in VTLB-FTLB only configurations */
+#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+#define MIPS_CONF4_MMUEXTDEF	(_ULCAST_(3) << 14)
+#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
+#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT	(_ULCAST_(2) << 14)
+#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT	(_ULCAST_(3) << 14)
+#define MIPS_CONF4_KSCREXIST	(_ULCAST_(255) << 16)
+#define MIPS_CONF4_VTLBSIZEEXT_SHIFT	(24)
+#define MIPS_CONF4_VTLBSIZEEXT	(_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
+#define MIPS_CONF4_AE		(_ULCAST_(1) << 28)
+#define MIPS_CONF4_IE		(_ULCAST_(3) << 29)
+#define MIPS_CONF4_TLBINV	(_ULCAST_(2) << 29)
+
+#define MIPS_CONF5_NF		(_ULCAST_(1) << 0)
+#define MIPS_CONF5_UFR		(_ULCAST_(1) << 2)
+#define MIPS_CONF5_MRP		(_ULCAST_(1) << 3)
+#define MIPS_CONF5_LLB		(_ULCAST_(1) << 4)
+#define MIPS_CONF5_MVH		(_ULCAST_(1) << 5)
+#define MIPS_CONF5_FRE		(_ULCAST_(1) << 8)
+#define MIPS_CONF5_UFE		(_ULCAST_(1) << 9)
+#define MIPS_CONF5_MSAEN	(_ULCAST_(1) << 27)
+#define MIPS_CONF5_EVA		(_ULCAST_(1) << 28)
+#define MIPS_CONF5_CV		(_ULCAST_(1) << 29)
+#define MIPS_CONF5_K		(_ULCAST_(1) << 30)
+
+#define MIPS_CONF6_SYND		(_ULCAST_(1) << 13)
+/* proAptiv FTLB on/off bit */
+#define MIPS_CONF6_FTLBEN	(_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT	(16)
 
 #define MIPS_CONF7_WII		(_ULCAST_(1) << 31)
 
 #define MIPS_CONF7_RPS		(_ULCAST_(1) << 2)
 
+#define MIPS_CONF7_IAR		(_ULCAST_(1) << 10)
+#define MIPS_CONF7_AR		(_ULCAST_(1) << 16)
+/* FTLB probability bits for R6 */
+#define MIPS_CONF7_FTLBP_SHIFT	(18)
+
+/* MAAR bit definitions */
+#define MIPS_MAAR_ADDR		((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
+#define MIPS_MAAR_ADDR_SHIFT	12
+#define MIPS_MAAR_S		(_ULCAST_(1) << 1)
+#define MIPS_MAAR_V		(_ULCAST_(1) << 0)
+
+/* CMGCRBase bit definitions */
+#define MIPS_CMGCRB_BASE	11
+#define MIPS_CMGCRF_BASE	(~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
+
+/*
+ * Bits in the MIPS32 Memory Segmentation registers.
+ */
+#define MIPS_SEGCFG_PA_SHIFT	9
+#define MIPS_SEGCFG_PA		(_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
+#define MIPS_SEGCFG_AM_SHIFT	4
+#define MIPS_SEGCFG_AM		(_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
+#define MIPS_SEGCFG_EU_SHIFT	3
+#define MIPS_SEGCFG_EU		(_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
+#define MIPS_SEGCFG_C_SHIFT	0
+#define MIPS_SEGCFG_C		(_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
+
+#define MIPS_SEGCFG_UUSK	_ULCAST_(7)
+#define MIPS_SEGCFG_USK		_ULCAST_(5)
+#define MIPS_SEGCFG_MUSUK	_ULCAST_(4)
+#define MIPS_SEGCFG_MUSK	_ULCAST_(3)
+#define MIPS_SEGCFG_MSK		_ULCAST_(2)
+#define MIPS_SEGCFG_MK		_ULCAST_(1)
+#define MIPS_SEGCFG_UK		_ULCAST_(0)
+
+#define MIPS_PWFIELD_GDI_SHIFT	24
+#define MIPS_PWFIELD_GDI_MASK	0x3f000000
+#define MIPS_PWFIELD_UDI_SHIFT	18
+#define MIPS_PWFIELD_UDI_MASK	0x00fc0000
+#define MIPS_PWFIELD_MDI_SHIFT	12
+#define MIPS_PWFIELD_MDI_MASK	0x0003f000
+#define MIPS_PWFIELD_PTI_SHIFT	6
+#define MIPS_PWFIELD_PTI_MASK	0x00000fc0
+#define MIPS_PWFIELD_PTEI_SHIFT	0
+#define MIPS_PWFIELD_PTEI_MASK	0x0000003f
+
+#define MIPS_PWSIZE_GDW_SHIFT	24
+#define MIPS_PWSIZE_GDW_MASK	0x3f000000
+#define MIPS_PWSIZE_UDW_SHIFT	18
+#define MIPS_PWSIZE_UDW_MASK	0x00fc0000
+#define MIPS_PWSIZE_MDW_SHIFT	12
+#define MIPS_PWSIZE_MDW_MASK	0x0003f000
+#define MIPS_PWSIZE_PTW_SHIFT	6
+#define MIPS_PWSIZE_PTW_MASK	0x00000fc0
+#define MIPS_PWSIZE_PTEW_SHIFT	0
+#define MIPS_PWSIZE_PTEW_MASK	0x0000003f
+
+#define MIPS_PWCTL_PWEN_SHIFT	31
+#define MIPS_PWCTL_PWEN_MASK	0x80000000
+#define MIPS_PWCTL_DPH_SHIFT	7
+#define MIPS_PWCTL_DPH_MASK	0x00000080
+#define MIPS_PWCTL_HUGEPG_SHIFT	6
+#define MIPS_PWCTL_HUGEPG_MASK	0x00000060
+#define MIPS_PWCTL_PSN_SHIFT	0
+#define MIPS_PWCTL_PSN_MASK	0x0000003f
+
+/* CDMMBase register bit definitions */
+#define MIPS_CDMMBASE_SIZE_SHIFT 0
+#define MIPS_CDMMBASE_SIZE	(_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
+#define MIPS_CDMMBASE_CI	(_ULCAST_(1) << 9)
+#define MIPS_CDMMBASE_EN	(_ULCAST_(1) << 10)
+#define MIPS_CDMMBASE_ADDR_SHIFT 11
+#define MIPS_CDMMBASE_ADDR_START 15
+
+/*
+ * Bitfields in the TX39 family CP0 Configuration Register 3
+ */
+#define TX39_CONF_ICS_SHIFT	19
+#define TX39_CONF_ICS_MASK	0x00380000
+#define TX39_CONF_ICS_1KB	0x00000000
+#define TX39_CONF_ICS_2KB	0x00080000
+#define TX39_CONF_ICS_4KB	0x00100000
+#define TX39_CONF_ICS_8KB	0x00180000
+#define TX39_CONF_ICS_16KB	0x00200000
+
+#define TX39_CONF_DCS_SHIFT	16
+#define TX39_CONF_DCS_MASK	0x00070000
+#define TX39_CONF_DCS_1KB	0x00000000
+#define TX39_CONF_DCS_2KB	0x00010000
+#define TX39_CONF_DCS_4KB	0x00020000
+#define TX39_CONF_DCS_8KB	0x00030000
+#define TX39_CONF_DCS_16KB	0x00040000
+
+#define TX39_CONF_CWFON		0x00004000
+#define TX39_CONF_WBON		0x00002000
+#define TX39_CONF_RF_SHIFT	10
+#define TX39_CONF_RF_MASK	0x00000c00
+#define TX39_CONF_DOZE		0x00000200
+#define TX39_CONF_HALT		0x00000100
+#define TX39_CONF_LOCK		0x00000080
+#define TX39_CONF_ICE		0x00000020
+#define TX39_CONF_DCE		0x00000010
+#define TX39_CONF_IRSIZE_SHIFT	2
+#define TX39_CONF_IRSIZE_MASK	0x0000000c
+#define TX39_CONF_DRSIZE_SHIFT	0
+#define TX39_CONF_DRSIZE_MASK	0x00000003
+
+/*
+ * Interesting Bits in the R10K CP0 Branch Diagnostic Register
+ */
+/* Disable Branch Target Address Cache */
+#define R10K_DIAG_D_BTAC	(_ULCAST_(1) << 27)
+/* Enable Branch Prediction Global History */
+#define R10K_DIAG_E_GHIST	(_ULCAST_(1) << 26)
+/* Disable Branch Return Cache */
+#define R10K_DIAG_D_BRC		(_ULCAST_(1) << 22)
+
+/*
+ * Coprocessor 1 (FPU) register names
+ */
+#define CP1_REVISION	$0
+#define CP1_UFR		$1
+#define CP1_UNFR	$4
+#define CP1_FCCR	$25
+#define CP1_FEXR	$26
+#define CP1_FENR	$28
+#define CP1_STATUS	$31
+
+
 /*
  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
  */
@@ -541,11 +704,150 @@
 #define MIPS_FPIR_W		(_ULCAST_(1) << 20)
 #define MIPS_FPIR_L		(_ULCAST_(1) << 21)
 #define MIPS_FPIR_F64		(_ULCAST_(1) << 22)
+#define MIPS_FPIR_HAS2008	(_ULCAST_(1) << 23)
+#define MIPS_FPIR_UFRP		(_ULCAST_(1) << 28)
+#define MIPS_FPIR_FREP		(_ULCAST_(1) << 29)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
+ */
+#define MIPS_FCCR_CONDX_S	0
+#define MIPS_FCCR_CONDX		(_ULCAST_(255) << MIPS_FCCR_CONDX_S)
+#define MIPS_FCCR_COND0_S	0
+#define MIPS_FCCR_COND0		(_ULCAST_(1) << MIPS_FCCR_COND0_S)
+#define MIPS_FCCR_COND1_S	1
+#define MIPS_FCCR_COND1		(_ULCAST_(1) << MIPS_FCCR_COND1_S)
+#define MIPS_FCCR_COND2_S	2
+#define MIPS_FCCR_COND2		(_ULCAST_(1) << MIPS_FCCR_COND2_S)
+#define MIPS_FCCR_COND3_S	3
+#define MIPS_FCCR_COND3		(_ULCAST_(1) << MIPS_FCCR_COND3_S)
+#define MIPS_FCCR_COND4_S	4
+#define MIPS_FCCR_COND4		(_ULCAST_(1) << MIPS_FCCR_COND4_S)
+#define MIPS_FCCR_COND5_S	5
+#define MIPS_FCCR_COND5		(_ULCAST_(1) << MIPS_FCCR_COND5_S)
+#define MIPS_FCCR_COND6_S	6
+#define MIPS_FCCR_COND6		(_ULCAST_(1) << MIPS_FCCR_COND6_S)
+#define MIPS_FCCR_COND7_S	7
+#define MIPS_FCCR_COND7		(_ULCAST_(1) << MIPS_FCCR_COND7_S)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
+ */
+#define MIPS_FENR_FS_S		2
+#define MIPS_FENR_FS		(_ULCAST_(1) << MIPS_FENR_FS_S)
+
+/*
+ * FPU Status Register Values
+ */
+#define FPU_CSR_COND_S	23					/* $fcc0 */
+#define FPU_CSR_COND	(_ULCAST_(1) << FPU_CSR_COND_S)
+
+#define FPU_CSR_FS_S	24		/* flush denormalised results to 0 */
+#define FPU_CSR_FS	(_ULCAST_(1) << FPU_CSR_FS_S)
+
+#define FPU_CSR_CONDX_S	25					/* $fcc[7:1] */
+#define FPU_CSR_CONDX	(_ULCAST_(127) << FPU_CSR_CONDX_S)
+#define FPU_CSR_COND1_S	25					/* $fcc1 */
+#define FPU_CSR_COND1	(_ULCAST_(1) << FPU_CSR_COND1_S)
+#define FPU_CSR_COND2_S	26					/* $fcc2 */
+#define FPU_CSR_COND2	(_ULCAST_(1) << FPU_CSR_COND2_S)
+#define FPU_CSR_COND3_S	27					/* $fcc3 */
+#define FPU_CSR_COND3	(_ULCAST_(1) << FPU_CSR_COND3_S)
+#define FPU_CSR_COND4_S	28					/* $fcc4 */
+#define FPU_CSR_COND4	(_ULCAST_(1) << FPU_CSR_COND4_S)
+#define FPU_CSR_COND5_S	29					/* $fcc5 */
+#define FPU_CSR_COND5	(_ULCAST_(1) << FPU_CSR_COND5_S)
+#define FPU_CSR_COND6_S	30					/* $fcc6 */
+#define FPU_CSR_COND6	(_ULCAST_(1) << FPU_CSR_COND6_S)
+#define FPU_CSR_COND7_S	31					/* $fcc7 */
+#define FPU_CSR_COND7	(_ULCAST_(1) << FPU_CSR_COND7_S)
+
+/*
+ * Bits 22:20 of the FPU Status Register will be read as 0,
+ * and should be written as zero.
+ */
+#define FPU_CSR_RSVD	(_ULCAST_(7) << 20)
+
+#define FPU_CSR_ABS2008	(_ULCAST_(1) << 19)
+#define FPU_CSR_NAN2008	(_ULCAST_(1) << 18)
+
+/*
+ * X the exception cause indicator
+ * E the exception enable
+ * S the sticky/flag bit
+*/
+#define FPU_CSR_ALL_X	0x0003f000
+#define FPU_CSR_UNI_X	0x00020000
+#define FPU_CSR_INV_X	0x00010000
+#define FPU_CSR_DIV_X	0x00008000
+#define FPU_CSR_OVF_X	0x00004000
+#define FPU_CSR_UDF_X	0x00002000
+#define FPU_CSR_INE_X	0x00001000
+
+#define FPU_CSR_ALL_E	0x00000f80
+#define FPU_CSR_INV_E	0x00000800
+#define FPU_CSR_DIV_E	0x00000400
+#define FPU_CSR_OVF_E	0x00000200
+#define FPU_CSR_UDF_E	0x00000100
+#define FPU_CSR_INE_E	0x00000080
+
+#define FPU_CSR_ALL_S	0x0000007c
+#define FPU_CSR_INV_S	0x00000040
+#define FPU_CSR_DIV_S	0x00000020
+#define FPU_CSR_OVF_S	0x00000010
+#define FPU_CSR_UDF_S	0x00000008
+#define FPU_CSR_INE_S	0x00000004
+
+/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
+#define FPU_CSR_RM	0x00000003
+#define FPU_CSR_RN	0x0	/* nearest */
+#define FPU_CSR_RZ	0x1	/* towards zero */
+#define FPU_CSR_RU	0x2	/* towards +Infinity */
+#define FPU_CSR_RD	0x3	/* towards -Infinity */
+
 
 #ifndef __ASSEMBLY__
 
 /*
- * Functions to access the R10000 performance counters.  These are basically
+ * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
+ */
+#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
+	defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
+#define get_isa16_mode(x)		((x) & 0x1)
+#define msk_isa16_mode(x)		((x) & ~0x1)
+#define set_isa16_mode(x)		do { (x) |= 0x1; } while (0)
+#else
+#define get_isa16_mode(x)		0
+#define msk_isa16_mode(x)		(x)
+#define set_isa16_mode(x)		do { } while (0)
+#endif
+
+/*
+ * microMIPS instructions can be 16-bit or 32-bit in length. This
+ * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
+ */
+static inline int mm_insn_16bit(u16 insn)
+{
+	u16 opcode = (insn >> 10) & 0x7;
+
+	return (opcode >= 1 && opcode <= 3) ? 1 : 0;
+}
+
+/*
+ * TLB Invalidate Flush
+ */
+static inline void tlbinvf(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".word 0x42000004\n\t" /* tlbinvf */
+		".set pop");
+}
+
+
+/*
+ * Functions to access the R10000 performance counters.	 These are basically
  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
  * performance counter number encoded into bits 1 ... 5 of the instruction.
  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
@@ -589,6 +891,7 @@ do {								\
 	: "r" (val), "i" (counter));				\
 } while (0)
 
+
 /*
  * Macros to access the system control coprocessor
  */
@@ -705,8 +1008,8 @@ do {									\
 			".set\tmips64\n\t"				\
 			"dmfc0\t%M0, " #source "\n\t"			\
 			"dsll\t%L0, %M0, 32\n\t"			\
-			"dsrl\t%M0, %M0, 32\n\t"			\
-			"dsrl\t%L0, %L0, 32\n\t"			\
+			"dsra\t%M0, %M0, 32\n\t"			\
+			"dsra\t%L0, %L0, 32\n\t"			\
 			".set\tmips0"					\
 			: "=r" (__val));				\
 	else								\
@@ -714,8 +1017,8 @@ do {									\
 			".set\tmips64\n\t"				\
 			"dmfc0\t%M0, " #source ", " #sel "\n\t"		\
 			"dsll\t%L0, %M0, 32\n\t"			\
-			"dsrl\t%M0, %M0, 32\n\t"			\
-			"dsrl\t%L0, %L0, 32\n\t"			\
+			"dsra\t%M0, %M0, 32\n\t"			\
+			"dsra\t%L0, %L0, 32\n\t"			\
 			".set\tmips0"					\
 			: "=r" (__val));				\
 	local_irq_restore(__flags);					\
@@ -751,15 +1054,57 @@ do {									\
 	local_irq_restore(__flags);					\
 } while (0)
 
+#define __readx_32bit_c0_register(source)				\
+({									\
+	unsigned int __res;						\
+									\
+	__asm__ __volatile__(						\
+	"	.set	push					\n"	\
+	"	.set	noat					\n"	\
+	"	.set	mips32r2				\n"	\
+	"	.insn						\n"	\
+	"	# mfhc0 $1, %1					\n"	\
+	"	.word	(0x40410000 | ((%1 & 0x1f) << 11))	\n"	\
+	"	move	%0, $1					\n"	\
+	"	.set	pop					\n"	\
+	: "=r" (__res)							\
+	: "i" (source));						\
+	__res;								\
+})
+
+#define __writex_32bit_c0_register(register, value)			\
+({									\
+	__asm__ __volatile__(						\
+	"	.set	push					\n"	\
+	"	.set	noat					\n"	\
+	"	.set	mips32r2				\n"	\
+	"	move	$1, %0					\n"	\
+	"	# mthc0 $1, %1					\n"	\
+	"	.insn						\n"	\
+	"	.word	(0x40c10000 | ((%1 & 0x1f) << 11))	\n"	\
+	"	.set	pop					\n"	\
+	:								\
+	: "r" (value), "i" (register));					\
+})
+
 #define read_c0_index()		__read_32bit_c0_register($0, 0)
 #define write_c0_index(val)	__write_32bit_c0_register($0, 0, val)
 
+#define read_c0_random()	__read_32bit_c0_register($1, 0)
+#define write_c0_random(val)	__write_32bit_c0_register($1, 0, val)
+
 #define read_c0_entrylo0()	__read_ulong_c0_register($2, 0)
 #define write_c0_entrylo0(val)	__write_ulong_c0_register($2, 0, val)
 
+#define readx_c0_entrylo0()	__readx_32bit_c0_register(2)
+#define writex_c0_entrylo0(val)	__writex_32bit_c0_register(2, val)
+
 #define read_c0_entrylo1()	__read_ulong_c0_register($3, 0)
 #define write_c0_entrylo1(val)	__write_ulong_c0_register($3, 0, val)
 
+#define readx_c0_entrylo1()	__readx_32bit_c0_register(3)
+#define writex_c0_entrylo1(val)	__writex_32bit_c0_register(3, val)
+
 #define read_c0_conf()		__read_32bit_c0_register($3, 0)
 #define write_c0_conf(val)	__write_32bit_c0_register($3, 0, val)
 
@@ -767,17 +1112,20 @@ do {									\
 #define write_c0_context(val)	__write_ulong_c0_register($4, 0, val)
 
 #define read_c0_userlocal()	__read_ulong_c0_register($4, 2)
-#define write_c0_userlocal(val)	__write_ulong_c0_register($4, 2, val)
+#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
 
 #define read_c0_pagemask()	__read_32bit_c0_register($5, 0)
 #define write_c0_pagemask(val)	__write_32bit_c0_register($5, 0, val)
 
+#define read_c0_pagegrain()	__read_32bit_c0_register($5, 1)
+#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
+
 #define read_c0_wired()		__read_32bit_c0_register($6, 0)
 #define write_c0_wired(val)	__write_32bit_c0_register($6, 0, val)
 
 #define read_c0_info()		__read_32bit_c0_register($7, 0)
 
-#define read_c0_cache()		__read_32bit_c0_register($7, 0)	/* TX39xx */
+#define read_c0_cache()		__read_32bit_c0_register($7, 0) /* TX39xx */
 #define write_c0_cache(val)	__write_32bit_c0_register($7, 0, val)
 
 #define read_c0_badvaddr()	__read_ulong_c0_register($8, 0)
@@ -805,19 +1153,8 @@ do {									\
 #define write_c0_compare3(val)	__write_32bit_c0_register($11, 7, val)
 
 #define read_c0_status()	__read_32bit_c0_register($12, 0)
-#ifdef CONFIG_MIPS_MT_SMTC
-#define write_c0_status(val)						\
-do {									\
-	__write_32bit_c0_register($12, 0, val);				\
-	__ehb();							\
-} while (0)
-#else
-/*
- * Legacy non-SMTC code, which may be hazardous
- * but which might not support EHB
- */
+
 #define write_c0_status(val)	__write_32bit_c0_register($12, 0, val)
-#endif /* CONFIG_MIPS_MT_SMTC */
 
 #define read_c0_cause()		__read_32bit_c0_register($13, 0)
 #define write_c0_cause(val)	__write_32bit_c0_register($13, 0, val)
@@ -827,6 +1164,8 @@ do {									\
 
 #define read_c0_prid()		__read_32bit_c0_register($15, 0)
 
+#define read_c0_cmgcrbase()	__read_ulong_c0_register($15, 3)
+
 #define read_c0_config()	__read_32bit_c0_register($16, 0)
 #define read_c0_config1()	__read_32bit_c0_register($16, 1)
 #define read_c0_config2()	__read_32bit_c0_register($16, 2)
@@ -844,8 +1183,15 @@ do {									\
 #define write_c0_config6(val)	__write_32bit_c0_register($16, 6, val)
 #define write_c0_config7(val)	__write_32bit_c0_register($16, 7, val)
 
+#define read_c0_lladdr()	__read_ulong_c0_register($17, 0)
+#define write_c0_lladdr(val)	__write_ulong_c0_register($17, 0, val)
+#define read_c0_maar()		__read_ulong_c0_register($17, 1)
+#define write_c0_maar(val)	__write_ulong_c0_register($17, 1, val)
+#define read_c0_maari()		__read_32bit_c0_register($17, 2)
+#define write_c0_maari(val)	__write_32bit_c0_register($17, 2, val)
+
 /*
- * The WatchLo register.  There may be upto 8 of them.
+ * The WatchLo register.  There may be up to 8 of them.
  */
 #define read_c0_watchlo0()	__read_ulong_c0_register($18, 0)
 #define read_c0_watchlo1()	__read_ulong_c0_register($18, 1)
@@ -865,7 +1211,7 @@ do {									\
 #define write_c0_watchlo7(val)	__write_ulong_c0_register($18, 7, val)
 
 /*
- * The WatchHi register.  There may be upto 8 of them.
+ * The WatchHi register.  There may be up to 8 of them.
  */
 #define read_c0_watchhi0()	__read_32bit_c0_register($19, 0)
 #define read_c0_watchhi1()	__read_32bit_c0_register($19, 1)
@@ -892,15 +1238,15 @@ do {									\
 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
 
 #define read_c0_framemask()	__read_32bit_c0_register($21, 0)
-#define write_c0_framemask(val)	__write_32bit_c0_register($21, 0, val)
-
-/* RM9000 PerfControl performance counter control register */
-#define read_c0_perfcontrol()	__read_32bit_c0_register($22, 0)
-#define write_c0_perfcontrol(val) __write_32bit_c0_register($22, 0, val)
+#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
 
 #define read_c0_diag()		__read_32bit_c0_register($22, 0)
 #define write_c0_diag(val)	__write_32bit_c0_register($22, 0, val)
 
+/* R10K CP0 Branch Diagnostic register is 64bits wide */
+#define read_c0_r10k_diag()	__read_64bit_c0_register($22, 0)
+#define write_c0_r10k_diag(val)	__write_64bit_c0_register($22, 0, val)
+
 #define read_c0_diag1()		__read_32bit_c0_register($22, 1)
 #define write_c0_diag1(val)	__write_32bit_c0_register($22, 1, val)
 
@@ -926,36 +1272,40 @@ do {									\
  * MIPS32 / MIPS64 performance counters
  */
 #define read_c0_perfctrl0()	__read_32bit_c0_register($25, 0)
-#define write_c0_perfctrl0(val)	__write_32bit_c0_register($25, 0, val)
+#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
 #define read_c0_perfcntr0()	__read_32bit_c0_register($25, 1)
-#define write_c0_perfcntr0(val)	__write_32bit_c0_register($25, 1, val)
+#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
+#define read_c0_perfcntr0_64()	__read_64bit_c0_register($25, 1)
+#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
 #define read_c0_perfctrl1()	__read_32bit_c0_register($25, 2)
-#define write_c0_perfctrl1(val)	__write_32bit_c0_register($25, 2, val)
+#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
 #define read_c0_perfcntr1()	__read_32bit_c0_register($25, 3)
-#define write_c0_perfcntr1(val)	__write_32bit_c0_register($25, 3, val)
+#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
+#define read_c0_perfcntr1_64()	__read_64bit_c0_register($25, 3)
+#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
 #define read_c0_perfctrl2()	__read_32bit_c0_register($25, 4)
-#define write_c0_perfctrl2(val)	__write_32bit_c0_register($25, 4, val)
+#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
 #define read_c0_perfcntr2()	__read_32bit_c0_register($25, 5)
-#define write_c0_perfcntr2(val)	__write_32bit_c0_register($25, 5, val)
+#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
+#define read_c0_perfcntr2_64()	__read_64bit_c0_register($25, 5)
+#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
 #define read_c0_perfctrl3()	__read_32bit_c0_register($25, 6)
-#define write_c0_perfctrl3(val)	__write_32bit_c0_register($25, 6, val)
+#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
 #define read_c0_perfcntr3()	__read_32bit_c0_register($25, 7)
-#define write_c0_perfcntr3(val)	__write_32bit_c0_register($25, 7, val)
-
-/* RM9000 PerfCount performance counter register */
-#define read_c0_perfcount()	__read_64bit_c0_register($25, 0)
-#define write_c0_perfcount(val)	__write_64bit_c0_register($25, 0, val)
+#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
+#define read_c0_perfcntr3_64()	__read_64bit_c0_register($25, 7)
+#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
 
 #define read_c0_ecc()		__read_32bit_c0_register($26, 0)
 #define write_c0_ecc(val)	__write_32bit_c0_register($26, 0, val)
 
 #define read_c0_derraddr0()	__read_ulong_c0_register($26, 1)
-#define write_c0_derraddr0(val)	__write_ulong_c0_register($26, 1, val)
+#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
 
 #define read_c0_cacheerr()	__read_32bit_c0_register($27, 0)
 
 #define read_c0_derraddr1()	__read_ulong_c0_register($27, 1)
-#define write_c0_derraddr1(val)	__write_ulong_c0_register($27, 1, val)
+#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
 
 #define read_c0_taglo()		__read_32bit_c0_register($28, 0)
 #define write_c0_taglo(val)	__write_32bit_c0_register($28, 0, val)
@@ -963,6 +1313,12 @@ do {									\
 #define read_c0_dtaglo()	__read_32bit_c0_register($28, 2)
 #define write_c0_dtaglo(val)	__write_32bit_c0_register($28, 2, val)
 
+#define read_c0_ddatalo()	__read_32bit_c0_register($28, 3)
+#define write_c0_ddatalo(val)	__write_32bit_c0_register($28, 3, val)
+
+#define read_c0_staglo()	__read_32bit_c0_register($28, 4)
+#define write_c0_staglo(val)	__write_32bit_c0_register($28, 4, val)
+
 #define read_c0_taghi()		__read_32bit_c0_register($29, 0)
 #define write_c0_taghi(val)	__write_32bit_c0_register($29, 0, val)
 
@@ -985,271 +1341,524 @@ do {									\
 #define read_c0_ebase()		__read_32bit_c0_register($15, 1)
 #define write_c0_ebase(val)	__write_32bit_c0_register($15, 1, val)
 
+#define read_c0_cdmmbase()	__read_ulong_c0_register($15, 2)
+#define write_c0_cdmmbase(val)	__write_ulong_c0_register($15, 2, val)
+
+/* MIPSR3 */
+#define read_c0_segctl0()	__read_32bit_c0_register($5, 2)
+#define write_c0_segctl0(val)	__write_32bit_c0_register($5, 2, val)
+
+#define read_c0_segctl1()	__read_32bit_c0_register($5, 3)
+#define write_c0_segctl1(val)	__write_32bit_c0_register($5, 3, val)
+
+#define read_c0_segctl2()	__read_32bit_c0_register($5, 4)
+#define write_c0_segctl2(val)	__write_32bit_c0_register($5, 4, val)
+
+/* Hardware Page Table Walker */
+#define read_c0_pwbase()	__read_ulong_c0_register($5, 5)
+#define write_c0_pwbase(val)	__write_ulong_c0_register($5, 5, val)
+
+#define read_c0_pwfield()	__read_ulong_c0_register($5, 6)
+#define write_c0_pwfield(val)	__write_ulong_c0_register($5, 6, val)
+
+#define read_c0_pwsize()	__read_ulong_c0_register($5, 7)
+#define write_c0_pwsize(val)	__write_ulong_c0_register($5, 7, val)
+
+#define read_c0_pwctl()		__read_32bit_c0_register($6, 6)
+#define write_c0_pwctl(val)	__write_32bit_c0_register($6, 6, val)
+
+/* Cavium OCTEON (cnMIPS) */
+#define read_c0_cvmcount()	__read_ulong_c0_register($9, 6)
+#define write_c0_cvmcount(val)	__write_ulong_c0_register($9, 6, val)
+
+#define read_c0_cvmctl()	__read_64bit_c0_register($9, 7)
+#define write_c0_cvmctl(val)	__write_64bit_c0_register($9, 7, val)
+
+#define read_c0_cvmmemctl()	__read_64bit_c0_register($11, 7)
+#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
 /*
- * Macros to access the floating point coprocessor control registers
+ * The cacheerr registers are not standardized.	 On OCTEON, they are
+ * 64 bits wide.
  */
-#define read_32bit_cp1_register(source)				\
-({ int __res;							\
-	__asm__ __volatile__(					\
-	".set\tpush\n\t"					\
-	".set\treorder\n\t"					\
-	"cfc1\t%0,"STR(source)"\n\t"				\
-	".set\tpop"						\
-	: "=r" (__res));					\
-	__res;})
+#define read_octeon_c0_icacheerr()	__read_64bit_c0_register($27, 0)
+#define write_octeon_c0_icacheerr(val)	__write_64bit_c0_register($27, 0, val)
 
-#define rddsp(mask)							\
+#define read_octeon_c0_dcacheerr()	__read_64bit_c0_register($27, 1)
+#define write_octeon_c0_dcacheerr(val)	__write_64bit_c0_register($27, 1, val)
+
+/* BMIPS3300 */
+#define read_c0_brcm_config_0()		__read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config_0(val)	__write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_bus_pll()		__read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bus_pll(val)	__write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_reset()		__read_32bit_c0_register($22, 5)
+#define write_c0_brcm_reset(val)	__write_32bit_c0_register($22, 5, val)
+
+/* BMIPS43xx */
+#define read_c0_brcm_cmt_intr()		__read_32bit_c0_register($22, 1)
+#define write_c0_brcm_cmt_intr(val)	__write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_cmt_ctrl()		__read_32bit_c0_register($22, 2)
+#define write_c0_brcm_cmt_ctrl(val)	__write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_cmt_local()	__read_32bit_c0_register($22, 3)
+#define write_c0_brcm_cmt_local(val)	__write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_config_1()		__read_32bit_c0_register($22, 5)
+#define write_c0_brcm_config_1(val)	__write_32bit_c0_register($22, 5, val)
+
+#define read_c0_brcm_cbr()		__read_32bit_c0_register($22, 6)
+#define write_c0_brcm_cbr(val)		__write_32bit_c0_register($22, 6, val)
+
+/* BMIPS5000 */
+#define read_c0_brcm_config()		__read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config(val)	__write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_mode()		__read_32bit_c0_register($22, 1)
+#define write_c0_brcm_mode(val)		__write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_action()		__read_32bit_c0_register($22, 2)
+#define write_c0_brcm_action(val)	__write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_edsp()		__read_32bit_c0_register($22, 3)
+#define write_c0_brcm_edsp(val)		__write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_bootvec()		__read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bootvec(val)	__write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_sleepcount()	__read_32bit_c0_register($22, 7)
+#define write_c0_brcm_sleepcount(val)	__write_32bit_c0_register($22, 7, val)
+
+/*
+ * Macros to access the floating point coprocessor control registers
+ */
+#define _read_32bit_cp1_register(source, gas_hardfloat)			\
 ({									\
 	unsigned int __res;						\
 									\
 	__asm__ __volatile__(						\
-	"	.set	push				\n"		\
-	"	.set	noat				\n"		\
-	"	# rddsp $1, %x1				\n"		\
-	"	.word	0x7c000cb8 | (%x1 << 16)	\n"		\
-	"	move	%0, $1				\n"		\
-	"	.set	pop				\n"		\
-	: "=r" (__res)							\
-	: "i" (mask));							\
+	"	.set	push					\n"	\
+	"	.set	reorder					\n"	\
+	"	# gas fails to assemble cfc1 for some archs,	\n"	\
+	"	# like Octeon.					\n"	\
+	"	.set	mips1					\n"	\
+	"	"STR(gas_hardfloat)"				\n"	\
+	"	cfc1	%0,"STR(source)"			\n"	\
+	"	.set	pop					\n"	\
+	: "=r" (__res));						\
 	__res;								\
 })
 
-#define wrdsp(val, mask)						\
-do {									\
+#define _write_32bit_cp1_register(dest, val, gas_hardfloat)		\
+({									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# wrdsp $1, %x1					\n"	\
-	"	.word	0x7c2004f8 | (%x1 << 11)		\n"	\
+	"	.set	reorder					\n"	\
+	"	"STR(gas_hardfloat)"				\n"	\
+	"	ctc1	%0,"STR(dest)"				\n"	\
 	"	.set	pop					\n"	\
+	: : "r" (val));							\
+})
+
+#ifdef GAS_HAS_SET_HARDFLOAT
+#define read_32bit_cp1_register(source)					\
+	_read_32bit_cp1_register(source, .set hardfloat)
+#define write_32bit_cp1_register(dest, val)				\
+	_write_32bit_cp1_register(dest, val, .set hardfloat)
+#else
+#define read_32bit_cp1_register(source)					\
+	_read_32bit_cp1_register(source, )
+#define write_32bit_cp1_register(dest, val)				\
+	_write_32bit_cp1_register(dest, val, )
+#endif
+
+#ifdef HAVE_AS_DSP
+#define rddsp(mask)							\
+({									\
+	unsigned int __dspctl;						\
+									\
+	__asm__ __volatile__(						\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	rddsp	%0, %x1					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (__dspctl)						\
+	: "i" (mask));							\
+	__dspctl;							\
+})
+
+#define wrdsp(val, mask)						\
+({									\
+	__asm__ __volatile__(						\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	wrdsp	%0, %x1					\n"	\
+	"	.set pop					\n"	\
 	:								\
 	: "r" (val), "i" (mask));					\
-} while (0)
+})
+
+#define mflo0()								\
+({									\
+	long mflo0;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mflo %0, $ac0					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mflo0));						\
+	mflo0;								\
+})
+
+#define mflo1()								\
+({									\
+	long mflo1;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mflo %0, $ac1					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mflo1));						\
+	mflo1;								\
+})
+
+#define mflo2()								\
+({									\
+	long mflo2;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mflo %0, $ac2					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mflo2));						\
+	mflo2;								\
+})
+
+#define mflo3()								\
+({									\
+	long mflo3;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mflo %0, $ac3					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mflo3));						\
+	mflo3;								\
+})
 
 #define mfhi0()								\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mfhi	%0, $ac0		\n"			\
-	"	.word	0x00000810		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	long mfhi0;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mfhi %0, $ac0					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mfhi0));						\
+	mfhi0;								\
 })
 
 #define mfhi1()								\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mfhi	%0, $ac1		\n"			\
-	"	.word	0x00200810		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	long mfhi1;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mfhi %0, $ac1					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mfhi1));						\
+	mfhi1;								\
 })
 
 #define mfhi2()								\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mfhi	%0, $ac2		\n"			\
-	"	.word	0x00400810		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	long mfhi2;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mfhi %0, $ac2					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mfhi2));						\
+	mfhi2;								\
 })
 
 #define mfhi3()								\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mfhi	%0, $ac3		\n"			\
-	"	.word	0x00600810		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	long mfhi3;							\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mfhi %0, $ac3					\n"	\
+	"	.set pop					\n"	\
+	: "=r" (mfhi3));						\
+	mfhi3;								\
 })
 
-#define mflo0()								\
+
+#define mtlo0(x)							\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mflo	%0, $ac0		\n"			\
-	"	.word	0x00000812		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mtlo %0, $ac0					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
 })
 
-#define mflo1()								\
+#define mtlo1(x)							\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mflo	%0, $ac1		\n"			\
-	"	.word	0x00200812		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mtlo %0, $ac1					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
 })
 
-#define mflo2()								\
+#define mtlo2(x)							\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mflo	%0, $ac2		\n"			\
-	"	.word	0x00400812		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mtlo %0, $ac2					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
 })
 
-#define mflo3()								\
+#define mtlo3(x)							\
 ({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push			\n"			\
-	"	.set	noat			\n"			\
-	"	# mflo	%0, $ac3		\n"			\
-	"	.word	0x00600812		\n"			\
-	"	move	%0, $1			\n"			\
-	"	.set	pop			\n"			\
-	: "=r" (__treg));						\
-	__treg;								\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mtlo %0, $ac3					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
 })
 
 #define mthi0(x)							\
-do {									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mthi	$1, $ac0				\n"	\
-	"	.word	0x00200011				\n"	\
-	"	.set	pop					\n"	\
+({									\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mthi %0, $ac0					\n"	\
+	"	.set pop					\n"	\
 	:								\
 	: "r" (x));							\
-} while (0)
+})
 
 #define mthi1(x)							\
-do {									\
+({									\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mthi %0, $ac1					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
+})
+
+#define mthi2(x)							\
+({									\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mthi %0, $ac2					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
+})
+
+#define mthi3(x)							\
+({									\
+	__asm__(							\
+	"	.set push					\n"	\
+	"	.set dsp					\n"	\
+	"	mthi %0, $ac3					\n"	\
+	"	.set pop					\n"	\
+	:								\
+	: "r" (x));							\
+})
+
+#else
+
+#ifdef CONFIG_CPU_MICROMIPS
+#define rddsp(mask)							\
+({									\
+	unsigned int __res;						\
+									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mthi	$1, $ac1				\n"	\
-	"	.word	0x00200811				\n"	\
+	"	# rddsp $1, %x1					\n"	\
+	"	.hword	((0x0020067c | (%x1 << 14)) >> 16)	\n"	\
+	"	.hword	((0x0020067c | (%x1 << 14)) & 0xffff)	\n"	\
+	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
-	:								\
-	: "r" (x));							\
-} while (0)
+	: "=r" (__res)							\
+	: "i" (mask));							\
+	__res;								\
+})
 
-#define mthi2(x)							\
-do {									\
+#define wrdsp(val, mask)						\
+({									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	# mthi	$1, $ac2				\n"	\
-	"	.word	0x00201011				\n"	\
+	"	# wrdsp $1, %x1					\n"	\
+	"	.hword	((0x0020167c | (%x1 << 14)) >> 16)	\n"	\
+	"	.hword	((0x0020167c | (%x1 << 14)) & 0xffff)	\n"	\
 	"	.set	pop					\n"	\
 	:								\
-	: "r" (x));							\
-} while (0)
+	: "r" (val), "i" (mask));					\
+})
 
-#define mthi3(x)							\
-do {									\
+#define _umips_dsp_mfxxx(ins)						\
+({									\
+	unsigned long __treg;						\
+									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mthi	$1, $ac3				\n"	\
-	"	.word	0x00201811				\n"	\
+	"	.hword	0x0001					\n"	\
+	"	.hword	%x1					\n"	\
+	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
-	:								\
-	: "r" (x));							\
-} while (0)
+	: "=r" (__treg)							\
+	: "i" (ins));							\
+	__treg;								\
+})
 
-#define mtlo0(x)							\
-do {									\
+#define _umips_dsp_mtxxx(val, ins)					\
+({									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	# mtlo	$1, $ac0				\n"	\
-	"	.word	0x00200013				\n"	\
+	"	.hword	0x0001					\n"	\
+	"	.hword	%x1					\n"	\
 	"	.set	pop					\n"	\
 	:								\
-	: "r" (x));							\
-} while (0)
+	: "r" (val), "i" (ins));					\
+})
 
-#define mtlo1(x)							\
-do {									\
+#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
+#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
+
+#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
+#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
+
+#define mflo0() _umips_dsp_mflo(0)
+#define mflo1() _umips_dsp_mflo(1)
+#define mflo2() _umips_dsp_mflo(2)
+#define mflo3() _umips_dsp_mflo(3)
+
+#define mfhi0() _umips_dsp_mfhi(0)
+#define mfhi1() _umips_dsp_mfhi(1)
+#define mfhi2() _umips_dsp_mfhi(2)
+#define mfhi3() _umips_dsp_mfhi(3)
+
+#define mtlo0(x) _umips_dsp_mtlo(x, 0)
+#define mtlo1(x) _umips_dsp_mtlo(x, 1)
+#define mtlo2(x) _umips_dsp_mtlo(x, 2)
+#define mtlo3(x) _umips_dsp_mtlo(x, 3)
+
+#define mthi0(x) _umips_dsp_mthi(x, 0)
+#define mthi1(x) _umips_dsp_mthi(x, 1)
+#define mthi2(x) _umips_dsp_mthi(x, 2)
+#define mthi3(x) _umips_dsp_mthi(x, 3)
+
+#else  /* !CONFIG_CPU_MICROMIPS */
+#define rddsp(mask)							\
+({									\
+	unsigned int __res;						\
+									\
+	__asm__ __volatile__(						\
+	"	.set	push				\n"		\
+	"	.set	noat				\n"		\
+	"	# rddsp $1, %x1				\n"		\
+	"	.word	0x7c000cb8 | (%x1 << 16)	\n"		\
+	"	move	%0, $1				\n"		\
+	"	.set	pop				\n"		\
+	: "=r" (__res)							\
+	: "i" (mask));							\
+	__res;								\
+})
+
+#define wrdsp(val, mask)						\
+({									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	# mtlo	$1, $ac1				\n"	\
-	"	.word	0x00200813				\n"	\
+	"	# wrdsp $1, %x1					\n"	\
+	"	.word	0x7c2004f8 | (%x1 << 11)		\n"	\
 	"	.set	pop					\n"	\
 	:								\
-	: "r" (x));							\
-} while (0)
+	: "r" (val), "i" (mask));					\
+})
 
-#define mtlo2(x)							\
-do {									\
+#define _dsp_mfxxx(ins)							\
+({									\
+	unsigned long __treg;						\
+									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mtlo	$1, $ac2				\n"	\
-	"	.word	0x00201013				\n"	\
+	"	.word	(0x00000810 | %1)			\n"	\
+	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
-	:								\
-	: "r" (x));							\
-} while (0)
+	: "=r" (__treg)							\
+	: "i" (ins));							\
+	__treg;								\
+})
 
-#define mtlo3(x)							\
-do {									\
+#define _dsp_mtxxx(val, ins)						\
+({									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	# mtlo	$1, $ac3				\n"	\
-	"	.word	0x00201813				\n"	\
+	"	.word	(0x00200011 | %1)			\n"	\
 	"	.set	pop					\n"	\
 	:								\
-	: "r" (x));							\
-} while (0)
+	: "r" (val), "i" (ins));					\
+})
+
+#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
+#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
+
+#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
+#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
+
+#define mflo0() _dsp_mflo(0)
+#define mflo1() _dsp_mflo(1)
+#define mflo2() _dsp_mflo(2)
+#define mflo3() _dsp_mflo(3)
+
+#define mfhi0() _dsp_mfhi(0)
+#define mfhi1() _dsp_mfhi(1)
+#define mfhi2() _dsp_mfhi(2)
+#define mfhi3() _dsp_mfhi(3)
+
+#define mtlo0(x) _dsp_mtlo(x, 0)
+#define mtlo1(x) _dsp_mtlo(x, 1)
+#define mtlo2(x) _dsp_mtlo(x, 2)
+#define mtlo3(x) _dsp_mtlo(x, 3)
+
+#define mthi0(x) _dsp_mthi(x, 0)
+#define mthi1(x) _dsp_mthi(x, 1)
+#define mthi2(x) _dsp_mthi(x, 2)
+#define mthi3(x) _dsp_mthi(x, 3)
+
+#endif /* CONFIG_CPU_MICROMIPS */
+#endif
 
 /*
  * TLB operations.
@@ -1324,11 +1933,11 @@ static inline void tlb_write_random(void)
 static inline unsigned int					\
 set_c0_##name(unsigned int set)					\
 {								\
-	unsigned int res;					\
+	unsigned int res, new;					\
 								\
 	res = read_c0_##name();					\
-	res |= set;						\
-	write_c0_##name(res);					\
+	new = res | set;					\
+	write_c0_##name(new);					\
 								\
 	return res;						\
 }								\
@@ -1336,24 +1945,24 @@ set_c0_##name(unsigned int set)					\
 static inline unsigned int					\
 clear_c0_##name(unsigned int clear)				\
 {								\
-	unsigned int res;					\
+	unsigned int res, new;					\
 								\
 	res = read_c0_##name();					\
-	res &= ~clear;						\
-	write_c0_##name(res);					\
+	new = res & ~clear;					\
+	write_c0_##name(new);					\
 								\
 	return res;						\
 }								\
 								\
 static inline unsigned int					\
-change_c0_##name(unsigned int change, unsigned int new)		\
+change_c0_##name(unsigned int change, unsigned int val)		\
 {								\
-	unsigned int res;					\
+	unsigned int res, new;					\
 								\
 	res = read_c0_##name();					\
-	res &= ~change;						\
-	res |= (new & change);					\
-	write_c0_##name(res);					\
+	new = res & ~change;					\
+	new |= (val & change);					\
+	write_c0_##name(new);					\
 								\
 	return res;						\
 }
@@ -1361,9 +1970,27 @@ change_c0_##name(unsigned int change, unsigned int new)		\
 __BUILD_SET_C0(status)
 __BUILD_SET_C0(cause)
 __BUILD_SET_C0(config)
+__BUILD_SET_C0(config5)
 __BUILD_SET_C0(intcontrol)
 __BUILD_SET_C0(intctl)
 __BUILD_SET_C0(srsmap)
+__BUILD_SET_C0(pagegrain)
+__BUILD_SET_C0(brcm_config_0)
+__BUILD_SET_C0(brcm_bus_pll)
+__BUILD_SET_C0(brcm_reset)
+__BUILD_SET_C0(brcm_cmt_intr)
+__BUILD_SET_C0(brcm_cmt_ctrl)
+__BUILD_SET_C0(brcm_config)
+__BUILD_SET_C0(brcm_mode)
+
+/*
+ * Return low 10 bits of ebase.
+ * Note that under KVM (MIPSVZ) this returns vcpu id.
+ */
+static inline unsigned int get_ebase_cpunum(void)
+{
+	return read_c0_ebase() & 0x3ff;
+}
 
 #endif /* !__ASSEMBLY__ */
 
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
new file mode 100644
index 0000000..9e5fa98
--- /dev/null
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 1994 - 2002 by Ralf Baechle
+ * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
+ * Copyright (C) 2002  Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef _ASM_PGTABLE_BITS_H
+#define _ASM_PGTABLE_BITS_H
+
+
+/*
+ * Note that we shift the lower 32bits of each EntryLo[01] entry
+ * 6 bits to the left. That way we can convert the PFN into the
+ * physical address by a single 'and' operation and gain 6 additional
+ * bits for storing information which isn't present in a normal
+ * MIPS page table.
+ *
+ * Similar to the Alpha port, we need to keep track of the ref
+ * and mod bits in software.  We have a software "yeah you can read
+ * from this page" bit, and a hardware one which actually lets the
+ * process read from the page.	On the same token we have a software
+ * writable bit and the real hardware one which actually lets the
+ * process write to the page, this keeps a mod bit via the hardware
+ * dirty bit.
+ *
+ * Certain revisions of the R4000 and R5000 have a bug where if a
+ * certain sequence occurs in the last 3 instructions of an executable
+ * page, and the following page is not mapped, the cpu can do
+ * unpredictable things.  The code (when it is written) to deal with
+ * this problem will be in the update_mmu_cache() code for the r4k.
+ */
+#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+
+/*
+ * The following bits are implemented by the TLB hardware
+ */
+#define _PAGE_NO_EXEC_SHIFT	0
+#define _PAGE_NO_EXEC		(1 << _PAGE_NO_EXEC_SHIFT)
+#define _PAGE_NO_READ_SHIFT	(_PAGE_NO_EXEC_SHIFT + 1)
+#define _PAGE_NO_READ		(1 << _PAGE_NO_READ_SHIFT)
+#define _PAGE_GLOBAL_SHIFT	(_PAGE_NO_READ_SHIFT + 1)
+#define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
+#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_SHIFT		(_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_MASK		(7 << _CACHE_SHIFT)
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT	(24)
+#define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
+#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
+#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
+
+#define _PFN_SHIFT		(PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+
+/*
+ * Bits for extended EntryLo0/EntryLo1 registers
+ */
+#define _PFNX_MASK		0xffffff
+
+#elif defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT	(0)
+#define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
+#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
+#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
+
+/*
+ * The following bits are implemented by the TLB hardware
+ */
+#define _PAGE_GLOBAL_SHIFT	(_PAGE_MODIFIED_SHIFT + 4)
+#define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
+#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_UNCACHED_SHIFT	(_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_UNCACHED		(1 << _CACHE_UNCACHED_SHIFT)
+#define _CACHE_MASK		_CACHE_UNCACHED
+
+#define _PFN_SHIFT		PAGE_SHIFT
+
+#else
+/*
+ * Below are the "Normal" R4K cases
+ */
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT	0
+#define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
+/* R2 or later cores check for RI/XI support to determine _PAGE_READ */
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#define _PAGE_WRITE_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
+#else
+#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
+#endif
+#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
+
+#if defined(CONFIG_64BIT) && defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
+/* Huge TLB page */
+#define _PAGE_HUGE_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
+#define _PAGE_HUGE		(1 << _PAGE_HUGE_SHIFT)
+#define _PAGE_SPLITTING_SHIFT	(_PAGE_HUGE_SHIFT + 1)
+#define _PAGE_SPLITTING		(1 << _PAGE_SPLITTING_SHIFT)
+#endif	/* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
+
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+/* XI - page cannot be executed */
+#ifdef _PAGE_SPLITTING_SHIFT
+#define _PAGE_NO_EXEC_SHIFT	(_PAGE_SPLITTING_SHIFT + 1)
+#else
+#define _PAGE_NO_EXEC_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
+#endif
+#define _PAGE_NO_EXEC		(cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
+
+/* RI - page cannot be read */
+#define _PAGE_READ_SHIFT	(_PAGE_NO_EXEC_SHIFT + 1)
+#define _PAGE_READ		(cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT))
+#define _PAGE_NO_READ_SHIFT	_PAGE_READ_SHIFT
+#define _PAGE_NO_READ		(cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0)
+#endif	/* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */
+
+#if defined(_PAGE_NO_READ_SHIFT)
+#define _PAGE_GLOBAL_SHIFT	(_PAGE_NO_READ_SHIFT + 1)
+#elif defined(_PAGE_SPLITTING_SHIFT)
+#define _PAGE_GLOBAL_SHIFT	(_PAGE_SPLITTING_SHIFT + 1)
+#else
+#define _PAGE_GLOBAL_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
+#endif
+#define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
+
+#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_SHIFT		(_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_MASK		(7 << _CACHE_SHIFT)
+
+#define _PFN_SHIFT		(PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+
+#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT && defined(CONFIG_CPU_MIPS32) */
+
+#ifndef _PAGE_NO_EXEC
+#define _PAGE_NO_EXEC		0
+#endif
+#ifndef _PAGE_NO_READ
+#define _PAGE_NO_READ		0
+#endif
+
+#define _PAGE_SILENT_READ	_PAGE_VALID
+#define _PAGE_SILENT_WRITE	_PAGE_DIRTY
+
+#define _PFN_MASK		(~((1 << (_PFN_SHIFT)) - 1))
+
+/*
+ * The final layouts of the PTE bits are:
+ *
+ *   64-bit, R1 or earlier:     CCC D V G [S H] M A W R P
+ *   32-bit, R1 or earler:      CCC D V G M A W R P
+ *   64-bit, R2 or later:       CCC D V G RI/R XI [S H] M A W P
+ *   32-bit, R2 or later:       CCC D V G RI/R XI M A W P
+ */
+
+
+#ifndef __ASSEMBLY__
+/*
+ * pte_to_entrylo converts a page table entry (PTE) into a Mips
+ * entrylo0/1 value.
+ */
+static inline uint64_t pte_to_entrylo(unsigned long pte_val)
+{
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+	if (cpu_has_rixi) {
+		int sa;
+#ifdef CONFIG_32BIT
+		sa = 31 - _PAGE_NO_READ_SHIFT;
+#else
+		sa = 63 - _PAGE_NO_READ_SHIFT;
+#endif
+		/*
+		 * C has no way to express that this is a DSRL
+		 * _PAGE_NO_EXEC_SHIFT followed by a ROTR 2.  Luckily
+		 * in the fast path this is done in assembly
+		 */
+		return (pte_val >> _PAGE_GLOBAL_SHIFT) |
+			((pte_val & (_PAGE_NO_EXEC | _PAGE_NO_READ)) << sa);
+	}
+#endif
+
+	return pte_val >> _PAGE_GLOBAL_SHIFT;
+}
+#endif
+
+/*
+ * Cache attributes
+ */
+#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+
+#define _CACHE_CACHABLE_NONCOHERENT 0
+#define _CACHE_UNCACHED_ACCELERATED _CACHE_UNCACHED
+
+#elif defined(CONFIG_CPU_SB1)
+
+/* No penalty for being coherent on the SB1, so just
+   use it for "noncoherent" spaces, too.  Shouldn't hurt. */
+
+#define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT)
+
+#elif defined(CONFIG_CPU_LOONGSON3)
+
+/* Using COHERENT flag for NONCOHERENT doesn't hurt. */
+
+#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT)  /* LOONGSON       */
+#define _CACHE_CACHABLE_COHERENT    (3<<_CACHE_SHIFT)  /* LOONGSON-3     */
+
+#elif defined(CONFIG_MACH_INGENIC)
+
+/* Ingenic uses the WA bit to achieve write-combine memory writes */
+#define _CACHE_UNCACHED_ACCELERATED (1<<_CACHE_SHIFT)
+
+#endif
+
+#ifndef _CACHE_CACHABLE_NO_WA
+#define _CACHE_CACHABLE_NO_WA		(0<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_WA
+#define _CACHE_CACHABLE_WA		(1<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_UNCACHED
+#define _CACHE_UNCACHED			(2<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_NONCOHERENT
+#define _CACHE_CACHABLE_NONCOHERENT	(3<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_CE
+#define _CACHE_CACHABLE_CE		(4<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_COW
+#define _CACHE_CACHABLE_COW		(5<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_CUW
+#define _CACHE_CACHABLE_CUW		(6<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_UNCACHED_ACCELERATED
+#define _CACHE_UNCACHED_ACCELERATED	(7<<_CACHE_SHIFT)
+#endif
+
+#define __READABLE	(_PAGE_SILENT_READ | _PAGE_READ | _PAGE_ACCESSED)
+#define __WRITEABLE	(_PAGE_SILENT_WRITE | _PAGE_WRITE | _PAGE_MODIFIED)
+
+#define _PAGE_CHG_MASK	(_PAGE_ACCESSED | _PAGE_MODIFIED |	\
+			 _PFN_MASK | _CACHE_MASK)
+
+#endif /* _ASM_PGTABLE_BITS_H */
diff --git a/arch/mips/include/asm/posix_types.h b/arch/mips/include/asm/posix_types.h
index 4deac52..90c0aff 100644
--- a/arch/mips/include/asm/posix_types.h
+++ b/arch/mips/include/asm/posix_types.h
@@ -1,10 +1,7 @@
-/* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
+/*
  * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_POSIX_TYPES_H
 #define _ASM_POSIX_TYPES_H
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index ba7f538..02a3b16 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -1,12 +1,10 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994 Waldorf GMBH
  * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
  * Copyright (C) 1996 Paul M. Antoine
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_PROCESSOR_H
 #define _ASM_PROCESSOR_H
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 5659c0c..da051f6 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -1,35 +1,27 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_PTRACE_H
 #define _ASM_PTRACE_H
 
-/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
-#define FPR_BASE	32
-#define PC		64
-#define CAUSE		65
-#define BADVADDR	66
-#define MMHI		67
-#define MMLO		68
-#define FPC_CSR		69
-#define FPC_EIR		70
-#define DSP_BASE	71		/* 3 more hi / lo register pairs */
-#define DSP_CONTROL	77
-#define ACX		78
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/isadep.h>
 
 /*
  * This struct defines the way the registers are stored on the stack during a
  * system call/exception. As usual the registers k0/k1 aren't being saved.
+ *
+ * If you add a register here, also add it to regoffset_table[] in
+ * arch/mips/kernel/ptrace.c.
  */
 struct pt_regs {
 #ifdef CONFIG_32BIT
 	/* Pad bytes for argument save space on the stack. */
-	unsigned long pad0[6];
+	unsigned long pad0[8];
 #endif
 
 	/* Saved main processor registers. */
@@ -45,34 +37,50 @@ struct pt_regs {
 	unsigned long cp0_badvaddr;
 	unsigned long cp0_cause;
 	unsigned long cp0_epc;
-#ifdef CONFIG_MIPS_MT_SMTC
-	unsigned long cp0_tcstatus;
-#endif /* CONFIG_MIPS_MT_SMTC */
-} __attribute__ ((aligned (8)));
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+	unsigned long long mpl[6];        /* MTM{0-5} */
+	unsigned long long mtp[6];        /* MTP{0-5} */
+#endif
+	unsigned long __last[0];
+} __aligned(8);
 
-/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
-#define PTRACE_GETREGS		12
-#define PTRACE_SETREGS		13
-#define PTRACE_GETFPREGS		14
-#define PTRACE_SETFPREGS		15
-/* #define PTRACE_GETFPXREGS		18 */
-/* #define PTRACE_SETFPXREGS		19 */
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+	return regs->regs[31];
+}
 
-#define PTRACE_OLDSETOPTIONS	21
+/*
+ * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
+ * sense on MIPS.  We rather want an error if they get invoked.
+ */
 
-#define PTRACE_GET_THREAD_AREA	25
-#define PTRACE_SET_THREAD_AREA	26
+static inline void instruction_pointer_set(struct pt_regs *regs,
+						unsigned long val)
+{
+	regs->cp0_epc = val;
+}
 
-/* Calls to trace a 64bit program from a 32bit program.  */
-#define PTRACE_PEEKTEXT_3264	0xc0
-#define PTRACE_PEEKDATA_3264	0xc1
-#define PTRACE_POKETEXT_3264	0xc2
-#define PTRACE_POKEDATA_3264	0xc3
-#define PTRACE_GET_THREAD_AREA_3264	0xc4
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
 
-#ifdef __KERNEL__
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs:       pt_regs from which register value is gotten.
+ * @offset:     offset number of the register.
+ *
+ * regs_get_register returns the value of a register. The @offset is the
+ * offset of the register in struct pt_regs address which specified by @regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+						unsigned int offset)
+{
+	if (unlikely(offset > MAX_REG_OFFSET))
+		return 0;
 
-#include <asm/isadep.h>
+	return *(unsigned long *)((unsigned long)regs + offset);
+}
 
 /*
  * Does the process account for user or for system time?
@@ -82,6 +90,17 @@ struct pt_regs {
 #define instruction_pointer(regs) ((regs)->cp0_epc)
 #define profile_pc(regs) instruction_pointer(regs)
 
-#endif
+/* Helpers for working with the user stack pointer */
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+	return regs->regs[29];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+						unsigned long val)
+{
+	regs->regs[29] = val;
+}
 
 #endif /* _ASM_PTRACE_H */
diff --git a/arch/mips/include/asm/reboot.h b/arch/mips/include/asm/reboot.h
index 978d206..2a6b724 100644
--- a/arch/mips/include/asm/reboot.h
+++ b/arch/mips/include/asm/reboot.h
@@ -1,10 +1,8 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1997, 1999, 2001, 06 by Ralf Baechle
  * Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_REBOOT_H
 #define _ASM_REBOOT_H
diff --git a/arch/mips/include/asm/reg.h b/arch/mips/include/asm/reg.h
index fc6bc0c..af6fbb4 100644
--- a/arch/mips/include/asm/reg.h
+++ b/arch/mips/include/asm/reg.h
@@ -2,12 +2,10 @@
  * Various register offset definitions for debuggers, core file
  * examiners and whatnot.
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1995, 1999 by Ralf Baechle
  * Copyright (C) 1995, 1999 Silicon Graphics
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef __ASM_MIPS_REG_H
 #define __ASM_MIPS_REG_H
diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h
index 2e65cc3..f1efc45 100644
--- a/arch/mips/include/asm/regdef.h
+++ b/arch/mips/include/asm/regdef.h
@@ -1,11 +1,11 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1985 MIPS Computer Systems, Inc.
  * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
  * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2011 Wind River Systems,
+ *   written by Ralf Baechle <ralf@linux-mips.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_REGDEF_H
 #define _ASM_REGDEF_H
@@ -30,9 +30,13 @@
 #define t2	$10
 #define t3	$11
 #define t4	$12
+#define ta0	$12
 #define t5	$13
+#define ta1	$13
 #define t6	$14
+#define ta2	$14
 #define t7	$15
+#define ta3	$15
 #define s0	$16	/* callee saved */
 #define s1	$17
 #define s2	$18
diff --git a/arch/mips/include/asm/sgidefs.h b/arch/mips/include/asm/sgidefs.h
index 67f2658..2a03886 100644
--- a/arch/mips/include/asm/sgidefs.h
+++ b/arch/mips/include/asm/sgidefs.h
@@ -1,11 +1,9 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1996, 1999, 2001 Ralf Baechle
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef __ASM_SGIDEFS_H
 #define __ASM_SGIDEFS_H
diff --git a/arch/mips/include/asm/string.h b/arch/mips/include/asm/string.h
index 579a591..1fbe899 100644
--- a/arch/mips/include/asm/string.h
+++ b/arch/mips/include/asm/string.h
@@ -1,11 +1,9 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1994, 95, 96, 97, 98, 2000, 01 Ralf Baechle
  * Copyright (c) 2000 by Silicon Graphics, Inc.
  * Copyright (c) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_STRING_H
 #define _ASM_STRING_H
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index d56f73b..e6435cc 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -1,8 +1,4 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994 - 1999 by Ralf Baechle
  * Copyright (C) 1996 by Paul M. Antoine
  * Copyright (C) 1994 - 1999 by Ralf Baechle
@@ -12,6 +8,8 @@
  *
  * Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_SYSTEM_H
 #define _ASM_SYSTEM_H
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index aebafdb..627440d 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -1,10 +1,8 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle
  * Copyright (C) 1999 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_TYPES_H
 #define _ASM_TYPES_H
diff --git a/arch/mips/include/asm/unaligned.h b/arch/mips/include/asm/unaligned.h
index c25a846..eebe06a 100644
--- a/arch/mips/include/asm/unaligned.h
+++ b/arch/mips/include/asm/unaligned.h
@@ -1,9 +1,7 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 #ifndef _ASM_MIPS_UNALIGNED_H
 #define _ASM_MIPS_UNALIGNED_H
diff --git a/arch/mips/lib/cache.c b/arch/mips/lib/cache.c
index e245614..bf8ff59 100644
--- a/arch/mips/lib/cache.c
+++ b/arch/mips/lib/cache.c
@@ -27,7 +27,7 @@ static inline unsigned long icache_line_size(void)
 {
 	unsigned long conf1, il;
 	conf1 = read_c0_config1();
-	il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHIFT;
+	il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHF;
 	if (!il)
 		return 0;
 	return 2 << il;
@@ -37,7 +37,7 @@ static inline unsigned long dcache_line_size(void)
 {
 	unsigned long conf1, dl;
 	conf1 = read_c0_config1();
-	dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHIFT;
+	dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHF;
 	if (!dl)
 		return 0;
 	return 2 << dl;
diff --git a/arch/mips/lib/cache_init.S b/arch/mips/lib/cache_init.S
index 137d728..14cc2c4 100644
--- a/arch/mips/lib/cache_init.S
+++ b/arch/mips/lib/cache_init.S
@@ -54,24 +54,24 @@
 	mfc0	$1, CP0_CONFIG, 1
 
 	/* detect line size */
-	srl	\line_sz, $1, \off + MIPS_CONF1_DL_SHIFT - MIPS_CONF1_DA_SHIFT
-	andi	\line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHIFT)
+	srl	\line_sz, $1, \off + MIPS_CONF1_DL_SHF - MIPS_CONF1_DA_SHF
+	andi	\line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHF)
 	move	\sz, zero
 	beqz	\line_sz, 10f
 	li	\sz, 2
 	sllv	\line_sz, \sz, \line_sz
 
 	/* detect associativity */
-	srl	\sz, $1, \off + MIPS_CONF1_DA_SHIFT - MIPS_CONF1_DA_SHIFT
-	andi	\sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHIFT)
+	srl	\sz, $1, \off + MIPS_CONF1_DA_SHF - MIPS_CONF1_DA_SHF
+	andi	\sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHF)
 	addi	\sz, \sz, 1
 
 	/* sz *= line_sz */
 	mul	\sz, \sz, \line_sz
 
 	/* detect log32(sets) */
-	srl	$1, $1, \off + MIPS_CONF1_DS_SHIFT - MIPS_CONF1_DA_SHIFT
-	andi	$1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHIFT)
+	srl	$1, $1, \off + MIPS_CONF1_DS_SHF - MIPS_CONF1_DA_SHF
+	andi	$1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHF)
 	addiu	$1, $1, 1
 	andi	$1, $1, 0x7
 
@@ -103,14 +103,14 @@ LEAF(mips_cache_reset)
 	li	t2, CONFIG_SYS_ICACHE_SIZE
 	li	t8, CONFIG_SYS_CACHELINE_SIZE
 #else
-	l1_info	t2, t8, MIPS_CONF1_IA_SHIFT
+	l1_info	t2, t8, MIPS_CONF1_IA_SHF
 #endif
 
 #ifdef CONFIG_SYS_DCACHE_SIZE
 	li	t3, CONFIG_SYS_DCACHE_SIZE
 	li	t9, CONFIG_SYS_CACHELINE_SIZE
 #else
-	l1_info	t3, t9, MIPS_CONF1_DA_SHIFT
+	l1_info	t3, t9, MIPS_CONF1_DA_SHF
 #endif
 
 #ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
diff --git a/arch/mips/mach-au1x00/au1x00_eth.c b/arch/mips/mach-au1x00/au1x00_eth.c
index 3f9f91e..9216860 100644
--- a/arch/mips/mach-au1x00/au1x00_eth.c
+++ b/arch/mips/mach-au1x00/au1x00_eth.c
@@ -43,7 +43,7 @@
 #include <net.h>
 #include <command.h>
 #include <asm/io.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
 
 #if defined(CONFIG_CMD_MII)
 #include <miiphy.h>
diff --git a/arch/mips/mach-au1x00/au1x00_serial.c b/arch/mips/mach-au1x00/au1x00_serial.c
index 0463508..4784504 100644
--- a/arch/mips/mach-au1x00/au1x00_serial.c
+++ b/arch/mips/mach-au1x00/au1x00_serial.c
@@ -11,7 +11,7 @@
 
 #include <config.h>
 #include <common.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
 #include <serial.h>
 #include <linux/compiler.h>
 
diff --git a/arch/mips/mach-au1x00/au1x00_usb_ohci.c b/arch/mips/mach-au1x00/au1x00_usb_ohci.c
index 74bdb77..42484e5 100644
--- a/arch/mips/mach-au1x00/au1x00_usb_ohci.c
+++ b/arch/mips/mach-au1x00/au1x00_usb_ohci.c
@@ -23,7 +23,7 @@
 #include <common.h>
 #include <malloc.h>
 #include <asm/io.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
 #include <usb.h>
 #include "au1x00_usb_ohci.h"
 
diff --git a/arch/mips/mach-au1x00/config.mk b/arch/mips/mach-au1x00/config.mk
deleted file mode 100644
index 5c89129..0000000
--- a/arch/mips/mach-au1x00/config.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2011
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-PLATFORM_CPPFLAGS += -mtune=4kc
diff --git a/arch/mips/include/asm/au1x00.h b/arch/mips/mach-au1x00/include/mach/au1x00.h
index f76c4c3..f76c4c3 100644
--- a/arch/mips/include/asm/au1x00.h
+++ b/arch/mips/mach-au1x00/include/mach/au1x00.h