Merge tag 'mips_6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - added support for Mobileye SoCs

 - unified GPR/CP0 regs handling for uasm

 - cleanups and fixes

* tag 'mips_6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (56 commits)
  mips: cm: Convert __mips_cm_phys_base() to weak function
  mips: cm: Convert __mips_cm_l2sync_phys_base() to weak function
  mips: dts: ralink: mt7621: add cell count properties to usb
  mips: dts: ralink: mt7621: add serial1 and serial2 nodes
  mips: dts: ralink: mt7621: reorder serial0 properties
  mips: dts: ralink: mt7621: associate uart1_pins with serial0
  MIPS: ralink: Don't use "proxy" headers
  mips: sibyte: make tb_class constant
  mips: mt: make mt_class constant
  MIPS: ralink: Remove unused of_gpio.h
  bus: bt1-apb: Remove duplicate include
  MAINTAINERS: remove entry to non-existing file in MOBILEYE MIPS SOCS
  MIPS: mipsregs: Parse fp and sp register by name in parse_r
  tty: mips_ejtag_fdc: Fix passing incompatible pointer type warning
  mips: zboot: Fix "no previous prototype" build warning
  MIPS: mipsregs: Set proper ISA level for virt extensions
  MIPS: Implement microMIPS MT ASE helpers
  MIPS: Limit MIPS_MT_SMP support by ISA reversion
  MIPS: Loongson64: test for -march=loongson3a cflag
  MIPS: BMIPS: Drop unnecessary assembler flag
  ...

10 files changed, 513 insertions, 177 deletions

diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
index 59a48c60a065..7e9ef01cb182 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -48,6 +48,11 @@
 #define KSEGX(a)		((_ACAST32_(a)) & _ACAST32_(0xe0000000))
 
 /*
+ * Gives the size of each kernel segment
+ */
+#define CSEGX_SIZE		0x20000000
+
+/*
  * Returns the physical address of a CKSEGx / XKPHYS address
  */
 #define CPHYSADDR(a)		((_ACAST32_(a)) & 0x1fffffff)
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 067a635d3bc8..18c2ae58cdf3 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -216,27 +216,33 @@
  * Temporary until all gas have MT ASE support
  */
 	.macro	DMT	reg=0
-	.word	0x41600bc1 | (\reg << 16)
+	insn_if_mips	0x41600bc1 | (\reg << 16)
+	insn32_if_mm    0x0000057C | (\reg << 21)
 	.endm
 
 	.macro	EMT	reg=0
-	.word	0x41600be1 | (\reg << 16)
+	insn_if_mips	0x41600be1 | (\reg << 16)
+	insn32_if_mm    0x0000257C | (\reg << 21)
 	.endm
 
 	.macro	DVPE	reg=0
-	.word	0x41600001 | (\reg << 16)
+	insn_if_mips	0x41600001 | (\reg << 16)
+	insn32_if_mm    0x0000157C | (\reg << 21)
 	.endm
 
 	.macro	EVPE	reg=0
-	.word	0x41600021 | (\reg << 16)
+	insn_if_mips	0x41600021 | (\reg << 16)
+	insn32_if_mm    0x0000357C | (\reg << 21)
 	.endm
 
-	.macro	MFTR	rt=0, rd=0, u=0, sel=0
-	 .word	0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
+	.macro	MFTR	rs=0, rt=0, u=0, sel=0
+	insn_if_mips	0x41000000 | (\rt << 16) | (\rs << 11) | (\u << 5) | (\sel)
+	insn32_if_mm	0x0000000E | (\rt << 21) | (\rs << 16) | (\u << 10) | (\sel << 4)
 	.endm
 
-	.macro	MTTR	rt=0, rd=0, u=0, sel=0
-	 .word	0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
+	.macro	MTTR	rt=0, rs=0, u=0, sel=0
+	insn_if_mips	0x41800000 | (\rt << 16) | (\rs << 11) | (\u << 5) | (\sel)
+	insn32_if_mm	0x00000006 | (\rt << 21) | (\rs << 16) | (\u << 10) | (\sel << 4)
 	.endm
 
 #ifdef TOOLCHAIN_SUPPORTS_MSA
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h
index c06dbf8ba937..81fa99084178 100644
--- a/arch/mips/include/asm/cdmm.h
+++ b/arch/mips/include/asm/cdmm.h
@@ -63,7 +63,7 @@ struct mips_cdmm_driver {
  */
 phys_addr_t mips_cdmm_phys_base(void);
 
-extern struct bus_type mips_cdmm_bustype;
+extern const struct bus_type mips_cdmm_bustype;
 void __iomem *mips_cdmm_early_probe(unsigned int dev_type);
 
 #define to_mips_cdmm_device(d)	container_of(d, struct mips_cdmm_device, dev)
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
index b247575c5e69..f8783d339fb0 100644
--- a/arch/mips/include/asm/mach-generic/spaces.h
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -49,6 +49,8 @@
 #define HIGHMEM_START		_AC(0x20000000, UL)
 #endif
 
+#define CKSEG0ADDR_OR_64BIT(x)	CKSEG0ADDR(x)
+#define CKSEG1ADDR_OR_64BIT(x)	CKSEG1ADDR(x)
 #endif /* CONFIG_32BIT */
 
 #ifdef CONFIG_64BIT
@@ -82,6 +84,8 @@
 #define TO_CAC(x)		(CAC_BASE   | ((x) & TO_PHYS_MASK))
 #define TO_UNCAC(x)		(UNCAC_BASE | ((x) & TO_PHYS_MASK))
 
+#define CKSEG0ADDR_OR_64BIT(x)	TO_CAC(x)
+#define CKSEG1ADDR_OR_64BIT(x)	TO_UNCAC(x)
 #endif /* CONFIG_64BIT */
 
 /*
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index 23c67c0871b1..c2930a75b7e4 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -22,16 +22,28 @@ extern void __iomem *mips_gcr_base;
 extern void __iomem *mips_cm_l2sync_base;
 
 /**
- * __mips_cm_phys_base - retrieve the physical base address of the CM
+ * mips_cm_phys_base - retrieve the physical base address of the CM
  *
  * This function returns the physical base address of the Coherence Manager
  * global control block, or 0 if no Coherence Manager is present. It provides
  * a default implementation which reads the CMGCRBase register where available,
  * and may be overridden by platforms which determine this address in a
- * different way by defining a function with the same prototype except for the
- * name mips_cm_phys_base (without underscores).
+ * different way by defining a function with the same prototype.
  */
-extern phys_addr_t __mips_cm_phys_base(void);
+extern phys_addr_t mips_cm_phys_base(void);
+
+/**
+ * mips_cm_l2sync_phys_base - retrieve the physical base address of the CM
+ *                            L2-sync region
+ *
+ * This function returns the physical base address of the Coherence Manager
+ * L2-cache only region. It provides a default implementation which reads the
+ * CMGCRL2OnlySyncBase register where available or returns a 4K region just
+ * behind the CM GCR base address. It may be overridden by platforms which
+ * determine this address in a different way by defining a function with the
+ * same prototype.
+ */
+extern phys_addr_t mips_cm_l2sync_phys_base(void);
 
 /*
  * mips_cm_is64 - determine CM register width
@@ -311,6 +323,7 @@ GCR_CX_ACCESSOR_RW(32, 0x018, other)
 /* GCR_Cx_RESET_BASE - Configure where powered up cores will fetch from */
 GCR_CX_ACCESSOR_RW(32, 0x020, reset_base)
 #define CM_GCR_Cx_RESET_BASE_BEVEXCBASE		GENMASK(31, 12)
+#define CM_GCR_Cx_RESET_BASE_MODE		BIT(1)
 
 /* GCR_Cx_ID - Identify the current core */
 GCR_CX_ACCESSOR_RO(32, 0x028, id)
diff --git a/arch/mips/include/asm/mips_mt.h b/arch/mips/include/asm/mips_mt.h
index b444523ecd50..28917f1582b3 100644
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@@ -26,6 +26,6 @@ static inline void mips_mt_set_cpuoptions(void) { }
 #endif
 
 struct class;
-extern struct class *mt_class;
+extern const struct class mt_class;
 
 #endif /* __ASM_MIPS_MT_H */
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index a8d67c2f4f7b..30e86861c206 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -189,19 +189,24 @@ static inline unsigned core_nvpes(void)
 	return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
 }
 
+#define _ASM_SET_DVPE							\
+	_ASM_MACRO_1R(dvpe, rt,						\
+			_ASM_INSN_IF_MIPS(0x41600001 | __rt << 16)	\
+			_ASM_INSN32_IF_MM(0x0000157C | __rt << 21))
+#define _ASM_UNSET_DVPE ".purgem dvpe\n\t"
+
 static inline unsigned int dvpe(void)
 {
 	int res = 0;
 
 	__asm__ __volatile__(
-	"	.set	push						\n"
-	"	.set	noreorder					\n"
-	"	.set	noat						\n"
-	"	.set	mips32r2					\n"
-	"	.word	0x41610001		# dvpe $1		\n"
-	"	move	%0, $1						\n"
-	"	ehb							\n"
-	"	.set	pop						\n"
+	"	.set	push					\n"
+	"	.set	"MIPS_ISA_LEVEL"			\n"
+	_ASM_SET_DVPE
+	"	dvpe	%0					\n"
+	"	ehb						\n"
+	_ASM_UNSET_DVPE
+	"	.set	pop					\n"
 	: "=r" (res));
 
 	instruction_hazard();
@@ -209,16 +214,22 @@ static inline unsigned int dvpe(void)
 	return res;
 }
 
+#define _ASM_SET_EVPE							\
+	_ASM_MACRO_1R(evpe, rt,					\
+			_ASM_INSN_IF_MIPS(0x41600021 | __rt << 16)	\
+			_ASM_INSN32_IF_MM(0x0000357C | __rt << 21))
+#define _ASM_UNSET_EVPE ".purgem evpe\n\t"
+
 static inline void __raw_evpe(void)
 {
 	__asm__ __volatile__(
-	"	.set	push						\n"
-	"	.set	noreorder					\n"
-	"	.set	noat						\n"
-	"	.set	mips32r2					\n"
-	"	.word	0x41600021		# evpe			\n"
-	"	ehb							\n"
-	"	.set	pop						\n");
+	"	.set	push					\n"
+	"	.set	"MIPS_ISA_LEVEL"			\n"
+	_ASM_SET_EVPE
+	"	evpe    $0					\n"
+	"	ehb						\n"
+	_ASM_UNSET_EVPE
+	"	.set	pop					\n");
 }
 
 /* Enable virtual processor execution if previous suggested it should be.
@@ -232,18 +243,24 @@ static inline void evpe(int previous)
 		__raw_evpe();
 }
 
+#define _ASM_SET_DMT							\
+	_ASM_MACRO_1R(dmt, rt,						\
+			_ASM_INSN_IF_MIPS(0x41600bc1 | __rt << 16)	\
+			_ASM_INSN32_IF_MM(0x0000057C | __rt << 21))
+#define _ASM_UNSET_DMT ".purgem dmt\n\t"
+
 static inline unsigned int dmt(void)
 {
 	int res;
 
 	__asm__ __volatile__(
-	"	.set	push						\n"
-	"	.set	mips32r2					\n"
-	"	.set	noat						\n"
-	"	.word	0x41610BC1			# dmt $1	\n"
-	"	ehb							\n"
-	"	move	%0, $1						\n"
-	"	.set	pop						\n"
+	"	.set	push					\n"
+	"	.set	"MIPS_ISA_LEVEL"			\n"
+	_ASM_SET_DMT
+	"	dmt	%0					\n"
+	"	ehb						\n"
+	_ASM_UNSET_DMT
+	"	.set	pop					\n"
 	: "=r" (res));
 
 	instruction_hazard();
@@ -251,14 +268,21 @@ static inline unsigned int dmt(void)
 	return res;
 }
 
+#define _ASM_SET_EMT							\
+	_ASM_MACRO_1R(emt, rt,						\
+			_ASM_INSN_IF_MIPS(0x41600be1 | __rt << 16)	\
+			_ASM_INSN32_IF_MM(0x0000257C | __rt << 21))
+#define _ASM_UNSET_EMT ".purgem emt\n\t"
+
 static inline void __raw_emt(void)
 {
 	__asm__ __volatile__(
-	"	.set	push						\n"
-	"	.set	noreorder					\n"
-	"	.set	mips32r2					\n"
-	"	.word	0x41600be1			# emt		\n"
-	"	ehb							\n"
+	"	.set	push					\n"
+	"	.set	"MIPS_ISA_LEVEL"			\n"
+	_ASM_SET_EMT
+	"	emt	$0					\n"
+	_ASM_UNSET_EMT
+	"	ehb						\n"
 	"	.set	pop");
 }
 
@@ -276,41 +300,55 @@ static inline void emt(int previous)
 static inline void ehb(void)
 {
 	__asm__ __volatile__(
-	"	.set	push					\n"
-	"	.set	mips32r2				\n"
-	"	ehb						\n"
-	"	.set	pop					\n");
+	"	.set	push				\n"
+	"	.set	"MIPS_ISA_LEVEL"		\n"
+	"	ehb					\n"
+	"	.set	pop				\n");
 }
 
-#define mftc0(rt,sel)							\
+#define _ASM_SET_MFTC0							\
+	_ASM_MACRO_2R_1S(mftc0, rs, rt, sel,				\
+			_ASM_INSN_IF_MIPS(0x41000000 | __rt << 16 |	\
+				__rs << 11 | \\sel)			\
+			_ASM_INSN32_IF_MM(0x0000000E | __rt << 21 |	\
+				__rs << 16 | \\sel << 4))
+#define _ASM_UNSET_MFTC0 ".purgem mftc0\n\t"
+
+#define mftc0(rt, sel)							\
 ({									\
-	 unsigned long	__res;						\
+	unsigned long	__res;						\
 									\
 	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	mips32r2				\n"	\
-	"	.set	noat					\n"	\
-	"	# mftc0 $1, $" #rt ", " #sel "			\n"	\
-	"	.word	0x41000800 | (" #rt " << 16) | " #sel " \n"	\
-	"	move	%0, $1					\n"	\
-	"	.set	pop					\n"	\
+	"	.set	push				\n"	\
+	"	.set	"MIPS_ISA_LEVEL"		\n"	\
+	_ASM_SET_MFTC0							\
+	"	mftc0	$1, " #rt ", " #sel "		\n"	\
+	_ASM_UNSET_MFTC0						\
+	"	.set	pop				\n"	\
 	: "=r" (__res));						\
 									\
 	__res;								\
 })
 
+#define _ASM_SET_MFTGPR							\
+	_ASM_MACRO_2R(mftgpr, rs, rt,					\
+			_ASM_INSN_IF_MIPS(0x41000020 | __rt << 16 |	\
+				__rs << 11)				\
+			_ASM_INSN32_IF_MM(0x0000040E | __rt << 21 |	\
+				__rs << 16))
+#define _ASM_UNSET_MFTGPR ".purgem mftgpr\n\t"
+
 #define mftgpr(rt)							\
 ({									\
 	unsigned long __res;						\
 									\
 	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	.set	mips32r2				\n"	\
-	"	# mftgpr $1," #rt "				\n"	\
-	"	.word	0x41000820 | (" #rt " << 16)		\n"	\
-	"	move	%0, $1					\n"	\
-	"	.set	pop					\n"	\
+	"	.set	push				\n"	\
+	"	.set	"MIPS_ISA_LEVEL"		\n"	\
+	_ASM_SET_MFTGPR							\
+	"	mftgpr	%0," #rt "			\n"	\
+	_ASM_UNSET_MFTGPR						\
+	"	.set	pop				\n"	\
 	: "=r" (__res));						\
 									\
 	__res;								\
@@ -321,35 +359,49 @@ static inline void ehb(void)
 	unsigned long __res;						\
 									\
 	__asm__ __volatile__(						\
-	"	mftr	%0, " #rt ", " #u ", " #sel "		\n"	\
+	"	mftr	%0, " #rt ", " #u ", " #sel "	\n"	\
 	: "=r" (__res));						\
 									\
 	__res;								\
 })
 
-#define mttgpr(rd,v)							\
+#define _ASM_SET_MTTGPR							\
+	_ASM_MACRO_2R(mttgpr, rt, rs,					\
+			_ASM_INSN_IF_MIPS(0x41800020 | __rt << 16 |	\
+				__rs << 11)				\
+			_ASM_INSN32_IF_MM(0x00000406 | __rt << 21 |	\
+				__rs << 16))
+#define _ASM_UNSET_MTTGPR ".purgem mttgpr\n\t"
+
+#define mttgpr(rs, v)							\
 do {									\
 	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	mips32r2				\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mttgpr $1, " #rd "				\n"	\
-	"	.word	0x41810020 | (" #rd " << 11)		\n"	\
-	"	.set	pop					\n"	\
+	"	.set	push				\n"	\
+	"	.set	"MIPS_ISA_LEVEL"		\n"	\
+	_ASM_SET_MTTGPR							\
+	"	mttgpr	%0, " #rs "			\n"	\
+	_ASM_UNSET_MTTGPR						\
+	"	.set	pop				\n"	\
 	: : "r" (v));							\
 } while (0)
 
-#define mttc0(rd, sel, v)							\
+#define _ASM_SET_MTTC0							\
+	_ASM_MACRO_2R_1S(mttc0, rt, rs, sel,				\
+			_ASM_INSN_IF_MIPS(0x41800000 | __rt << 16 |	\
+				__rs << 11 | \\sel)			\
+			_ASM_INSN32_IF_MM(0x0000040E | __rt << 21 |	\
+				__rs << 16 | \\sel << 4))
+#define _ASM_UNSET_MTTC0 ".purgem mttc0\n\t"
+
+#define mttc0(rs, sel, v)							\
 ({									\
 	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	mips32r2				\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# mttc0 %0," #rd ", " #sel "			\n"	\
-	"	.word	0x41810000 | (" #rd " << 11) | " #sel " \n"	\
-	"	.set	pop					\n"	\
+	"	.set	push				\n"	\
+	"	.set	"MIPS_ISA_LEVEL"		\n"	\
+	_ASM_SET_MTTC0							\
+	"	mttc0	%0," #rs ", " #sel "		\n"	\
+	_ASM_UNSET_MTTC0						\
+	"	.set	pop				\n"	\
 	:								\
 	: "r" (v));							\
 })
@@ -371,49 +423,49 @@ do {									\
 
 
 /* you *must* set the target tc (settc) before trying to use these */
-#define read_vpe_c0_vpecontrol()	mftc0(1, 1)
-#define write_vpe_c0_vpecontrol(val)	mttc0(1, 1, val)
-#define read_vpe_c0_vpeconf0()		mftc0(1, 2)
-#define write_vpe_c0_vpeconf0(val)	mttc0(1, 2, val)
-#define read_vpe_c0_vpeconf1()		mftc0(1, 3)
-#define write_vpe_c0_vpeconf1(val)	mttc0(1, 3, val)
-#define read_vpe_c0_count()		mftc0(9, 0)
-#define write_vpe_c0_count(val)		mttc0(9, 0, val)
-#define read_vpe_c0_status()		mftc0(12, 0)
-#define write_vpe_c0_status(val)	mttc0(12, 0, val)
-#define read_vpe_c0_cause()		mftc0(13, 0)
-#define write_vpe_c0_cause(val)		mttc0(13, 0, val)
-#define read_vpe_c0_config()		mftc0(16, 0)
-#define write_vpe_c0_config(val)	mttc0(16, 0, val)
-#define read_vpe_c0_config1()		mftc0(16, 1)
-#define write_vpe_c0_config1(val)	mttc0(16, 1, val)
-#define read_vpe_c0_config7()		mftc0(16, 7)
-#define write_vpe_c0_config7(val)	mttc0(16, 7, val)
-#define read_vpe_c0_ebase()		mftc0(15, 1)
-#define write_vpe_c0_ebase(val)		mttc0(15, 1, val)
-#define write_vpe_c0_compare(val)	mttc0(11, 0, val)
-#define read_vpe_c0_badvaddr()		mftc0(8, 0)
-#define read_vpe_c0_epc()		mftc0(14, 0)
-#define write_vpe_c0_epc(val)		mttc0(14, 0, val)
+#define read_vpe_c0_vpecontrol()	mftc0($1, 1)
+#define write_vpe_c0_vpecontrol(val)	mttc0($1, 1, val)
+#define read_vpe_c0_vpeconf0()		mftc0($1, 2)
+#define write_vpe_c0_vpeconf0(val)	mttc0($1, 2, val)
+#define read_vpe_c0_vpeconf1()		mftc0($1, 3)
+#define write_vpe_c0_vpeconf1(val)	mttc0($1, 3, val)
+#define read_vpe_c0_count()		mftc0($9, 0)
+#define write_vpe_c0_count(val)		mttc0($9, 0, val)
+#define read_vpe_c0_status()		mftc0($12, 0)
+#define write_vpe_c0_status(val)	mttc0($12, 0, val)
+#define read_vpe_c0_cause()		mftc0($13, 0)
+#define write_vpe_c0_cause(val)		mttc0($13, 0, val)
+#define read_vpe_c0_config()		mftc0($16, 0)
+#define write_vpe_c0_config(val)	mttc0($16, 0, val)
+#define read_vpe_c0_config1()		mftc0($16, 1)
+#define write_vpe_c0_config1(val)	mttc0($16, 1, val)
+#define read_vpe_c0_config7()		mftc0($16, 7)
+#define write_vpe_c0_config7(val)	mttc0($16, 7, val)
+#define read_vpe_c0_ebase()		mftc0($15, 1)
+#define write_vpe_c0_ebase(val)		mttc0($15, 1, val)
+#define write_vpe_c0_compare(val)	mttc0($11, 0, val)
+#define read_vpe_c0_badvaddr()		mftc0($8, 0)
+#define read_vpe_c0_epc()		mftc0($14, 0)
+#define write_vpe_c0_epc(val)		mttc0($14, 0, val)
 
 
 /* TC */
-#define read_tc_c0_tcstatus()		mftc0(2, 1)
-#define write_tc_c0_tcstatus(val)	mttc0(2, 1, val)
-#define read_tc_c0_tcbind()		mftc0(2, 2)
-#define write_tc_c0_tcbind(val)		mttc0(2, 2, val)
-#define read_tc_c0_tcrestart()		mftc0(2, 3)
-#define write_tc_c0_tcrestart(val)	mttc0(2, 3, val)
-#define read_tc_c0_tchalt()		mftc0(2, 4)
-#define write_tc_c0_tchalt(val)		mttc0(2, 4, val)
-#define read_tc_c0_tccontext()		mftc0(2, 5)
-#define write_tc_c0_tccontext(val)	mttc0(2, 5, val)
+#define read_tc_c0_tcstatus()		mftc0($2, 1)
+#define write_tc_c0_tcstatus(val)	mttc0($2, 1, val)
+#define read_tc_c0_tcbind()		mftc0($2, 2)
+#define write_tc_c0_tcbind(val)		mttc0($2, 2, val)
+#define read_tc_c0_tcrestart()		mftc0($2, 3)
+#define write_tc_c0_tcrestart(val)	mttc0($2, 3, val)
+#define read_tc_c0_tchalt()		mftc0($2, 4)
+#define write_tc_c0_tchalt(val)		mttc0($2, 4, val)
+#define read_tc_c0_tccontext()		mftc0($2, 5)
+#define write_tc_c0_tccontext(val)	mttc0($2, 5, val)
 
 /* GPR */
-#define read_tc_gpr_sp()		mftgpr(29)
-#define write_tc_gpr_sp(val)		mttgpr(29, val)
-#define read_tc_gpr_gp()		mftgpr(28)
-#define write_tc_gpr_gp(val)		mttgpr(28, val)
+#define read_tc_gpr_sp()		mftgpr($29)
+#define write_tc_gpr_sp(val)		mttgpr($29, val)
+#define read_tc_gpr_gp()		mftgpr($28)
+#define write_tc_gpr_gp(val)		mttgpr($28, val)
 
 __BUILD_SET_C0(mvpcontrol)
 
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index ec58cb76d076..3c6ddc0c2c7a 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -42,59 +42,198 @@
 
 /*
  * Coprocessor 0 register names
+ *
+ * CP0_REGISTER variant is meant to be used in assembly code, C0_REGISTER
+ * variant is meant to be used in C (uasm) code.
  */
-#define CP0_INDEX $0
-#define CP0_RANDOM $1
-#define CP0_ENTRYLO0 $2
-#define CP0_ENTRYLO1 $3
-#define CP0_CONF $3
-#define CP0_GLOBALNUMBER $3, 1
-#define CP0_CONTEXT $4
-#define CP0_PAGEMASK $5
-#define CP0_PAGEGRAIN $5, 1
-#define CP0_SEGCTL0 $5, 2
-#define CP0_SEGCTL1 $5, 3
-#define CP0_SEGCTL2 $5, 4
-#define CP0_WIRED $6
-#define CP0_INFO $7
-#define CP0_HWRENA $7
-#define CP0_BADVADDR $8
-#define CP0_BADINSTR $8, 1
-#define CP0_COUNT $9
-#define CP0_ENTRYHI $10
-#define CP0_GUESTCTL1 $10, 4
-#define CP0_GUESTCTL2 $10, 5
-#define CP0_GUESTCTL3 $10, 6
-#define CP0_COMPARE $11
-#define CP0_GUESTCTL0EXT $11, 4
-#define CP0_STATUS $12
-#define CP0_GUESTCTL0 $12, 6
-#define CP0_GTOFFSET $12, 7
-#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_CONFIG6 $16, 6
-#define CP0_LLADDR $17
-#define CP0_WATCHLO $18
-#define CP0_WATCHHI $19
-#define CP0_XCONTEXT $20
-#define CP0_FRAMEMASK $21
-#define CP0_DIAGNOSTIC $22
-#define CP0_DIAGNOSTIC1 $22, 1
-#define CP0_DEBUG $23
-#define CP0_DEPC $24
-#define CP0_PERFORMANCE $25
-#define CP0_ECC $26
-#define CP0_CACHEERR $27
-#define CP0_TAGLO $28
-#define CP0_TAGHI $29
-#define CP0_ERROREPC $30
-#define CP0_DESAVE $31
+#define CP0_INDEX		$0
+#define C0_INDEX		0, 0
+
+#define CP0_RANDOM		$1
+#define C0_RANDOM		1, 0
+
+#define CP0_ENTRYLO0		$2
+#define C0_ENTRYLO0		2, 0
+
+#define CP0_ENTRYLO1		$3
+#define C0_ENTRYLO1		3, 0
+
+#define CP0_CONF		$3
+#define C0_CONF			3, 0
+
+#define CP0_GLOBALNUMBER	$3, 1
+#define C0_GLOBALNUMBER		3, 1
+
+#define CP0_CONTEXT		$4
+#define C0_CONTEXT		4, 0
+
+#define CP0_PAGEMASK		$5
+#define C0_PAGEMASK		5, 0
+
+#define CP0_PAGEGRAIN		$5, 1
+#define C0_PAGEGRAIN		5, 1
+
+#define CP0_SEGCTL0		$5, 2
+#define C0_SEGCTL0		5, 2
+
+#define CP0_SEGCTL1		$5, 3
+#define C0_SEGCTL1		5, 3
+
+#define CP0_SEGCTL2		$5, 4
+#define C0_SEGCTL2		5, 4
+
+#define CP0_PWBASE		$5, 5
+#define C0_PWBASE		5, 5
+
+#define CP0_PWFIELD		$5, 6
+#define C0_PWFIELD		5, 6
+
+#define CP0_PWCTL		$5, 7
+#define C0_PWCTL		5, 7
+
+#define CP0_WIRED		$6
+#define C0_WIRED		6, 0
+
+#define CP0_INFO		$7
+#define C0_INFO			7, 0
+
+#define CP0_HWRENA		$7
+#define C0_HWRENA		7, 0
+
+#define CP0_BADVADDR		$8
+#define C0_BADVADDR		8, 0
+
+#define CP0_BADINSTR		$8, 1
+#define C0_BADINSTR		8, 1
+
+#define CP0_BADINSTRP		$8, 2
+#define C0_BADINSTRP		8, 2
+
+#define CP0_COUNT		$9
+#define C0_COUNT		9, 0
+
+#define CP0_PGD			$9, 7
+#define C0_PGD			9, 7
+
+#define CP0_ENTRYHI		$10
+#define C0_ENTRYHI		10, 0
+
+#define CP0_GUESTCTL1		$10, 4
+#define C0_GUESTCTL1		10, 5
+
+#define CP0_GUESTCTL2		$10, 5
+#define C0_GUESTCTL2		10, 5
+
+#define CP0_GUESTCTL3		$10, 6
+#define C0_GUESTCTL3		10, 6
+
+#define CP0_COMPARE		$11
+#define C0_COMPARE		11, 0
+
+#define CP0_GUESTCTL0EXT	$11, 4
+#define C0_GUESTCTL0EXT		11, 4
+
+#define CP0_STATUS		$12
+#define C0_STATUS		12, 0
+
+#define CP0_GUESTCTL0		$12, 6
+#define C0_GUESTCTL0		12, 6
+
+#define CP0_GTOFFSET		$12, 7
+#define C0_GTOFFSET		12, 7
+
+#define CP0_CAUSE		$13
+#define C0_CAUSE		13, 0
+
+#define CP0_EPC			$14
+#define C0_EPC			14, 0
+
+#define CP0_PRID		$15
+#define C0_PRID			15, 0
+
+#define CP0_EBASE		$15, 1
+#define C0_EBASE		15, 1
+
+#define CP0_CMGCRBASE		$15, 3
+#define C0_CMGCRBASE		15, 3
+
+#define CP0_CONFIG		$16
+#define C0_CONFIG		16, 0
+
+#define CP0_CONFIG1		$16, 1
+#define C0_CONFIG1		16, 1
+
+#define CP0_CONFIG2		$16, 2
+#define C0_CONFIG2		16, 2
+
+#define CP0_CONFIG3		$16, 3
+#define C0_CONFIG3		16, 3
+
+#define CP0_CONFIG4		$16, 4
+#define C0_CONFIG4		16, 4
+
+#define CP0_CONFIG5		$16, 5
+#define C0_CONFIG5		16, 5
+
+#define CP0_CONFIG6		$16, 6
+#define C0_CONFIG6		16, 6
+
+#define CP0_LLADDR		$17
+#define C0_LLADDR		17, 0
+
+#define CP0_WATCHLO		$18
+#define C0_WATCHLO		18, 0
+
+#define CP0_WATCHHI		$19
+#define C0_WATCHHI		19, 0
+
+#define CP0_XCONTEXT		$20
+#define C0_XCONTEXT		20, 0
+
+#define CP0_FRAMEMASK		$21
+#define C0_FRAMEMASK		21, 0
+
+#define CP0_DIAGNOSTIC		$22
+#define C0_DIAGNOSTIC		22, 0
+
+#define CP0_DIAGNOSTIC1		$22, 1
+#define C0_DIAGNOSTIC1		22, 1
+
+#define CP0_DEBUG		$23
+#define C0_DEBUG		23, 0
+
+#define CP0_DEPC		$24
+#define C0_DEPC			24, 0
+
+#define CP0_PERFORMANCE		$25
+#define C0_PERFORMANCE		25, 0
+
+#define CP0_ECC			$26
+#define C0_ECC			26, 0
+
+#define CP0_CACHEERR		$27
+#define C0_CACHEERR		27, 0
+
+#define CP0_TAGLO		$28
+#define C0_TAGLO		28, 0
+
+#define CP0_DTAGLO		$28, 2
+#define C0_DTAGLO		28, 2
+
+#define CP0_DDATALO		$28, 3
+#define C0_DDATALO		28, 3
+
+#define CP0_STAGLO		$28, 4
+#define C0_STAGLO		28, 4
+
+#define CP0_TAGHI		$29
+#define C0_TAGHI		29, 0
+
+#define CP0_ERROREPC		$30
+#define C0_ERROREPC		30, 0
+
+#define CP0_DESAVE		$31
+#define C0_DESAVE		31, 0
 
 /*
  * R4640/R4650 cp0 register names.  These registers are listed
@@ -291,6 +430,12 @@
 #define ST0_DE			0x00010000
 #define ST0_CE			0x00020000
 
+#ifdef CONFIG_64BIT
+#define ST0_KX_IF_64	ST0_KX
+#else
+#define ST0_KX_IF_64	0
+#endif
+
 /*
  * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
  * cacheops in userspace.  This bit exists only on RM7000 and RM9000
@@ -1277,11 +1422,13 @@ static inline int mm_insn_16bit(u16 insn)
  */
 
 /* Match an individual register number and assign to \var */
-#define _IFC_REG(n)				\
-	".ifc	\\r, $" #n "\n\t"		\
+#define _IFC_REG_NAME(name, n)			\
+	".ifc	\\r, $" #name "\n\t"		\
 	"\\var	= " #n "\n\t"			\
 	".endif\n\t"
 
+#define _IFC_REG(n)	_IFC_REG_NAME(n, n)
+
 #define _ASM_SET_PARSE_R						\
 	".macro	parse_r var r\n\t"					\
 	"\\var	= -1\n\t"						\
@@ -1293,6 +1440,7 @@ static inline int mm_insn_16bit(u16 insn)
 	_IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23)		\
 	_IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27)		\
 	_IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31)		\
+	_IFC_REG_NAME(sp, 29) _IFC_REG_NAME(fp, 30)			\
 	".iflt	\\var\n\t"						\
 	".error	\"Unable to parse register name \\r\"\n\t"		\
 	".endif\n\t"							\
@@ -1307,6 +1455,15 @@ static inline int mm_insn_16bit(u16 insn)
  * the ENC encodings.
  */
 
+/* Instructions with 1 register operand */
+#define _ASM_MACRO_1R(OP, R1, ENC)				\
+		".macro	" #OP " " #R1 "\n\t"			\
+		_ASM_SET_PARSE_R					\
+		"parse_r __" #R1 ", \\" #R1 "\n\t"			\
+		ENC							\
+		_ASM_UNSET_PARSE_R					\
+		".endm\n\t"
+
 /* Instructions with 1 register operand & 1 immediate operand */
 #define _ASM_MACRO_1R1I(OP, R1, I2, ENC)				\
 		".macro	" #OP " " #R1 ", " #I2 "\n\t"			\
@@ -2078,7 +2235,14 @@ do {									\
 		_ASM_INSN_IF_MIPS(0x4200000c)				\
 		_ASM_INSN32_IF_MM(0x0000517c)
 #else	/* !TOOLCHAIN_SUPPORTS_VIRT */
-#define _ASM_SET_VIRT ".set\tvirt\n\t"
+#if MIPS_ISA_REV >= 5
+#define _ASM_SET_VIRT_ISA
+#elif defined(CONFIG_64BIT)
+#define _ASM_SET_VIRT_ISA ".set\tmips64r5\n\t"
+#else
+#define _ASM_SET_VIRT_ISA ".set\tmips32r5\n\t"
+#endif
+#define _ASM_SET_VIRT _ASM_SET_VIRT_ISA ".set\tvirt\n\t"
 #define _ASM_SET_MFGC0	_ASM_SET_VIRT
 #define _ASM_SET_DMFGC0	_ASM_SET_VIRT
 #define _ASM_SET_MTGC0	_ASM_SET_VIRT
@@ -2099,7 +2263,6 @@ do {									\
 ({ int __res;								\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
-		".set\tmips32r5\n\t"					\
 		_ASM_SET_MFGC0						\
 		"mfgc0\t%0, " #source ", %1\n\t"			\
 		_ASM_UNSET_MFGC0					\
@@ -2113,7 +2276,6 @@ do {									\
 ({ unsigned long long __res;						\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
-		".set\tmips64r5\n\t"					\
 		_ASM_SET_DMFGC0						\
 		"dmfgc0\t%0, " #source ", %1\n\t"			\
 		_ASM_UNSET_DMFGC0					\
@@ -2127,7 +2289,6 @@ do {									\
 do {									\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
-		".set\tmips32r5\n\t"					\
 		_ASM_SET_MTGC0						\
 		"mtgc0\t%z0, " #register ", %1\n\t"			\
 		_ASM_UNSET_MTGC0					\
@@ -2140,7 +2301,6 @@ do {									\
 do {									\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
-		".set\tmips64r5\n\t"					\
 		_ASM_SET_DMTGC0						\
 		"dmtgc0\t%z0, " #register ", %1\n\t"			\
 		_ASM_UNSET_DMTGC0					\
diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h
index 3c687df1d515..236051364f78 100644
--- a/arch/mips/include/asm/regdef.h
+++ b/arch/mips/include/asm/regdef.h
@@ -17,6 +17,96 @@
 #if _MIPS_SIM == _MIPS_SIM_ABI32
 
 /*
+ * General purpose register numbers for 32 bit ABI
+ */
+#define GPR_ZERO	0	/* wired zero */
+#define GPR_AT	1	/* assembler temp */
+#define GPR_V0	2	/* return value */
+#define GPR_V1	3
+#define GPR_A0	4	/* argument registers */
+#define GPR_A1	5
+#define GPR_A2	6
+#define GPR_A3	7
+#define GPR_T0	8	/* caller saved */
+#define GPR_T1	9
+#define GPR_T2	10
+#define GPR_T3	11
+#define GPR_T4	12
+#define GPR_TA0	12
+#define GPR_T5	13
+#define GPR_TA1	13
+#define GPR_T6	14
+#define GPR_TA2	14
+#define GPR_T7	15
+#define GPR_TA3	15
+#define GPR_S0	16	/* callee saved */
+#define GPR_S1	17
+#define GPR_S2	18
+#define GPR_S3	19
+#define GPR_S4	20
+#define GPR_S5	21
+#define GPR_S6	22
+#define GPR_S7	23
+#define GPR_T8	24	/* caller saved */
+#define GPR_T9	25
+#define GPR_JP	25	/* PIC jump register */
+#define GPR_K0	26	/* kernel scratch */
+#define GPR_K1	27
+#define GPR_GP	28	/* global pointer */
+#define GPR_SP	29	/* stack pointer */
+#define GPR_FP	30	/* frame pointer */
+#define GPR_S8	30	/* same like fp! */
+#define GPR_RA	31	/* return address */
+
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
+
+#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
+
+#define GPR_ZERO	0	/* wired zero */
+#define GPR_AT	1	/* assembler temp */
+#define GPR_V0	2	/* return value - caller saved */
+#define GPR_V1	3
+#define GPR_A0	4	/* argument registers */
+#define GPR_A1	5
+#define GPR_A2	6
+#define GPR_A3	7
+#define GPR_A4	8	/* arg reg 64 bit; caller saved in 32 bit */
+#define GPR_TA0	8
+#define GPR_A5	9
+#define GPR_TA1	9
+#define GPR_A6	10
+#define GPR_TA2	10
+#define GPR_A7	11
+#define GPR_TA3	11
+#define GPR_T0	12	/* caller saved */
+#define GPR_T1	13
+#define GPR_T2	14
+#define GPR_T3	15
+#define GPR_S0	16	/* callee saved */
+#define GPR_S1	17
+#define GPR_S2	18
+#define GPR_S3	19
+#define GPR_S4	20
+#define GPR_S5	21
+#define GPR_S6	22
+#define GPR_S7	23
+#define GPR_T8	24	/* caller saved */
+#define GPR_T9	25	/* callee address for PIC/temp */
+#define GPR_JP	25	/* PIC jump register */
+#define GPR_K0	26	/* kernel temporary */
+#define GPR_K1	27
+#define GPR_GP	28	/* global pointer - caller saved for PIC */
+#define GPR_SP	29	/* stack pointer */
+#define GPR_FP	30	/* frame pointer */
+#define GPR_S8	30	/* callee saved */
+#define GPR_RA	31	/* return address */
+
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
+
+#ifdef __ASSEMBLY__
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+
+/*
  * Symbolic register names for 32 bit ABI
  */
 #define zero	$0	/* wired zero */
@@ -102,5 +192,6 @@
 #define ra	$31	/* return address */
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
+#endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_REGDEF_H */
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h
index 22a572b70fe3..ab94e50f62b8 100644
--- a/arch/mips/include/asm/smp-cps.h
+++ b/arch/mips/include/asm/smp-cps.h
@@ -24,7 +24,7 @@ struct core_boot_config {
 
 extern struct core_boot_config *mips_cps_core_bootcfg;
 
-extern void mips_cps_core_entry(void);
+extern void mips_cps_core_boot(int cca, void __iomem *gcr_base);
 extern void mips_cps_core_init(void);
 
 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
@@ -32,7 +32,12 @@ extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
 extern void mips_cps_pm_save(void);
 extern void mips_cps_pm_restore(void);
 
-extern void *mips_cps_core_entry_patch_end;
+extern void excep_tlbfill(void);
+extern void excep_xtlbfill(void);
+extern void excep_cache(void);
+extern void excep_genex(void);
+extern void excep_intex(void);
+extern void excep_ejtag(void);
 
 #ifdef CONFIG_MIPS_CPS