arch/mips/include/asm/cpu.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * cpu.h: Values of the PRId register used to match up
  *	  various MIPS cpu types.
  *
  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
  * Copyright (C) 2004, 2013  Maciej W. Rozycki
  */
 #ifndef _ASM_CPU_H
 #define _ASM_CPU_H

 /*
    As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
    register 15, select 0) is defined in this (backwards compatible) way:

   +----------------+----------------+----------------+----------------+
   | Company Options| Company ID	    | Processor ID   | Revision	      |
   +----------------+----------------+----------------+----------------+
    31		 24 23		  16 15		    8 7

    I don't have docs for all the previous processors, but my impression is
    that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
    spec.
 */

 #define PRID_OPT_MASK		0xff000000

 /*
  * Assigned Company values for bits 23:16 of the PRId register.
  */

 #define PRID_COMP_MASK		0xff0000

 #define PRID_COMP_LEGACY	0x000000
 #define PRID_COMP_MIPS		0x010000
 #define PRID_COMP_BROADCOM	0x020000
 #define PRID_COMP_ALCHEMY	0x030000
 #define PRID_COMP_SIBYTE	0x040000
 #define PRID_COMP_SANDCRAFT	0x050000
 #define PRID_COMP_NXP		0x060000
 #define PRID_COMP_TOSHIBA	0x070000
 #define PRID_COMP_LSI		0x080000
 #define PRID_COMP_LEXRA		0x0b0000
 #define PRID_COMP_NETLOGIC	0x0c0000
 #define PRID_COMP_CAVIUM	0x0d0000
 #define PRID_COMP_LOONGSON	0x140000
 #define PRID_COMP_INGENIC_D0	0xd00000	/* JZ4740, JZ4750 */
 #define PRID_COMP_INGENIC_D1	0xd10000	/* JZ4770, JZ4775 */
 #define PRID_COMP_INGENIC_E1	0xe10000	/* JZ4780 */

 /*
  * Assigned Processor ID (implementation) values for bits 15:8 of the PRId
  * register.  In order to detect a certain CPU type exactly eventually
  * additional registers may need to be examined.
  */

 #define PRID_IMP_MASK		0xff00

 /*
  * These are valid when 23:16 == PRID_COMP_LEGACY
  */

 #define PRID_IMP_R2000		0x0100
 #define PRID_IMP_AU1_REV1	0x0100
 #define PRID_IMP_AU1_REV2	0x0200
 #define PRID_IMP_R3000		0x0200		/* Same as R2000A  */
 #define PRID_IMP_R6000		0x0300		/* Same as R3000A  */
 #define PRID_IMP_R4000		0x0400
 #define PRID_IMP_R6000A		0x0600
 #define PRID_IMP_R10000		0x0900
 #define PRID_IMP_R4300		0x0b00
 #define PRID_IMP_VR41XX		0x0c00
 #define PRID_IMP_R12000		0x0e00
 #define PRID_IMP_R14000		0x0f00		/* R14K && R16K */
 #define PRID_IMP_R8000		0x1000
 #define PRID_IMP_PR4450		0x1200
 #define PRID_IMP_R4600		0x2000
 #define PRID_IMP_R4700		0x2100
 #define PRID_IMP_TX39		0x2200
 #define PRID_IMP_R4640		0x2200
 #define PRID_IMP_R4650		0x2200		/* Same as R4640 */
 #define PRID_IMP_R5000		0x2300
 #define PRID_IMP_TX49		0x2d00
 #define PRID_IMP_SONIC		0x2400
 #define PRID_IMP_MAGIC		0x2500
 #define PRID_IMP_RM7000		0x2700
 #define PRID_IMP_NEVADA		0x2800		/* RM5260 ??? */
 #define PRID_IMP_RM9000		0x3400
 #define PRID_IMP_LOONGSON_32	0x4200  /* Loongson-1 */
 #define PRID_IMP_R5432		0x5400
 #define PRID_IMP_R5500		0x5500
 #define PRID_IMP_LOONGSON_64	0x6300  /* Loongson-2/3 */

 #define PRID_IMP_UNKNOWN	0xff00

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_MIPS
  */

 #define PRID_IMP_QEMU_GENERIC	0x0000
 #define PRID_IMP_4KC		0x8000
 #define PRID_IMP_5KC		0x8100
 #define PRID_IMP_20KC		0x8200
 #define PRID_IMP_4KEC		0x8400
 #define PRID_IMP_4KSC		0x8600
 #define PRID_IMP_25KF		0x8800
 #define PRID_IMP_5KE		0x8900
 #define PRID_IMP_4KECR2		0x9000
 #define PRID_IMP_4KEMPR2	0x9100
 #define PRID_IMP_4KSD		0x9200
 #define PRID_IMP_24K		0x9300
 #define PRID_IMP_34K		0x9500
 #define PRID_IMP_24KE		0x9600
 #define PRID_IMP_74K		0x9700
 #define PRID_IMP_1004K		0x9900
 #define PRID_IMP_1074K		0x9a00
 #define PRID_IMP_M14KC		0x9c00
 #define PRID_IMP_M14KEC		0x9e00
 #define PRID_IMP_INTERAPTIV_UP	0xa000
 #define PRID_IMP_INTERAPTIV_MP	0xa100
 #define PRID_IMP_PROAPTIV_UP	0xa200
 #define PRID_IMP_PROAPTIV_MP	0xa300
 #define PRID_IMP_P6600		0xa400
 #define PRID_IMP_M5150		0xa700
 #define PRID_IMP_P5600		0xa800
 #define PRID_IMP_I6400		0xa900
 #define PRID_IMP_M6250		0xab00
 #define PRID_IMP_I6500		0xb000

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
  */

 #define PRID_IMP_SB1		0x0100
 #define PRID_IMP_SB1A		0x1100

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
  */

 #define PRID_IMP_SR71000	0x0400

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
  */

 #define PRID_IMP_BMIPS32_REV4	0x4000
 #define PRID_IMP_BMIPS32_REV8	0x8000
 #define PRID_IMP_BMIPS3300	0x9000
 #define PRID_IMP_BMIPS3300_ALT	0x9100
 #define PRID_IMP_BMIPS3300_BUG	0x0000
 #define PRID_IMP_BMIPS43XX	0xa000
 #define PRID_IMP_BMIPS5000	0x5a00
 #define PRID_IMP_BMIPS5200	0x5b00

 #define PRID_REV_BMIPS4380_LO	0x0040
 #define PRID_REV_BMIPS4380_HI	0x006f

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
  */

 #define PRID_IMP_CAVIUM_CN38XX 0x0000
 #define PRID_IMP_CAVIUM_CN31XX 0x0100
 #define PRID_IMP_CAVIUM_CN30XX 0x0200
 #define PRID_IMP_CAVIUM_CN58XX 0x0300
 #define PRID_IMP_CAVIUM_CN56XX 0x0400
 #define PRID_IMP_CAVIUM_CN50XX 0x0600
 #define PRID_IMP_CAVIUM_CN52XX 0x0700
 #define PRID_IMP_CAVIUM_CN63XX 0x9000
 #define PRID_IMP_CAVIUM_CN68XX 0x9100
 #define PRID_IMP_CAVIUM_CN66XX 0x9200
 #define PRID_IMP_CAVIUM_CN61XX 0x9300
 #define PRID_IMP_CAVIUM_CNF71XX 0x9400
 #define PRID_IMP_CAVIUM_CN78XX 0x9500
 #define PRID_IMP_CAVIUM_CN70XX 0x9600
 #define PRID_IMP_CAVIUM_CN73XX 0x9700
 #define PRID_IMP_CAVIUM_CNF75XX 0x9800

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
  */

 #define PRID_IMP_JZRISC	       0x0200

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
  */
 #define PRID_IMP_NETLOGIC_XLR732	0x0000
 #define PRID_IMP_NETLOGIC_XLR716	0x0200
 #define PRID_IMP_NETLOGIC_XLR532	0x0900
 #define PRID_IMP_NETLOGIC_XLR308	0x0600
 #define PRID_IMP_NETLOGIC_XLR532C	0x0800
 #define PRID_IMP_NETLOGIC_XLR516C	0x0a00
 #define PRID_IMP_NETLOGIC_XLR508C	0x0b00
 #define PRID_IMP_NETLOGIC_XLR308C	0x0f00
 #define PRID_IMP_NETLOGIC_XLS608	0x8000
 #define PRID_IMP_NETLOGIC_XLS408	0x8800
 #define PRID_IMP_NETLOGIC_XLS404	0x8c00
 #define PRID_IMP_NETLOGIC_XLS208	0x8e00
 #define PRID_IMP_NETLOGIC_XLS204	0x8f00
 #define PRID_IMP_NETLOGIC_XLS108	0xce00
 #define PRID_IMP_NETLOGIC_XLS104	0xcf00
 #define PRID_IMP_NETLOGIC_XLS616B	0x4000
 #define PRID_IMP_NETLOGIC_XLS608B	0x4a00
 #define PRID_IMP_NETLOGIC_XLS416B	0x4400
 #define PRID_IMP_NETLOGIC_XLS412B	0x4c00
 #define PRID_IMP_NETLOGIC_XLS408B	0x4e00
 #define PRID_IMP_NETLOGIC_XLS404B	0x4f00
 #define PRID_IMP_NETLOGIC_AU13XX	0x8000

 #define PRID_IMP_NETLOGIC_XLP8XX	0x1000
 #define PRID_IMP_NETLOGIC_XLP3XX	0x1100
 #define PRID_IMP_NETLOGIC_XLP2XX	0x1200
 #define PRID_IMP_NETLOGIC_XLP9XX	0x1500
 #define PRID_IMP_NETLOGIC_XLP5XX	0x1300

 /*
  * Particular Revision values for bits 7:0 of the PRId register.
  */

 #define PRID_REV_MASK		0x00ff

 /*
  * Definitions for 7:0 on legacy processors
  */

 #define PRID_REV_TX4927		0x0022
 #define PRID_REV_TX4937		0x0030
 #define PRID_REV_R4400		0x0040
 #define PRID_REV_R3000A		0x0030
 #define PRID_REV_R3000		0x0020
 #define PRID_REV_R2000A		0x0010
 #define PRID_REV_TX3912		0x0010
 #define PRID_REV_TX3922		0x0030
 #define PRID_REV_TX3927		0x0040
 #define PRID_REV_VR4111		0x0050
 #define PRID_REV_VR4181		0x0050	/* Same as VR4111 */
 #define PRID_REV_VR4121		0x0060
 #define PRID_REV_VR4122		0x0070
 #define PRID_REV_VR4181A	0x0070	/* Same as VR4122 */
 #define PRID_REV_VR4130		0x0080
 #define PRID_REV_34K_V1_0_2	0x0022
 #define PRID_REV_LOONGSON1B	0x0020
 #define PRID_REV_LOONGSON1C	0x0020	/* Same as Loongson-1B */
 #define PRID_REV_LOONGSON2E	0x0002
 #define PRID_REV_LOONGSON2F	0x0003
 #define PRID_REV_LOONGSON3A_R1	0x0005
 #define PRID_REV_LOONGSON3B_R1	0x0006
 #define PRID_REV_LOONGSON3B_R2	0x0007
 #define PRID_REV_LOONGSON3A_R2	0x0008
 #define PRID_REV_LOONGSON3A_R3	0x0009

 /*
  * Older processors used to encode processor version and revision in two
  * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
  * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
  * the patch number.  *ARGH*
  */
 #define PRID_REV_ENCODE_44(ver, rev)					\
 	((ver) << 4 | (rev))
 #define PRID_REV_ENCODE_332(ver, rev, patch)				\
 	((ver) << 5 | (rev) << 2 | (patch))

 /*
  * FPU implementation/revision register (CP1 control register 0).
  *
  * +---------------------------------+----------------+----------------+
  * | 0				     | Implementation | Revision       |
  * +---------------------------------+----------------+----------------+
  *  31				   16 15	     8 7	      0
  */

 #define FPIR_IMP_MASK		0xff00

 #define FPIR_IMP_NONE		0x0000

 #if !defined(__ASSEMBLY__)

 enum cpu_type_enum {
 	CPU_UNKNOWN,

 	/*
 	 * R2000 class processors
 	 */
 	CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052,
 	CPU_R3081, CPU_R3081E,

 	/*
 	 * R6000 class processors
 	 */
 	CPU_R6000, CPU_R6000A,

 	/*
 	 * R4000 class processors
 	 */
 	CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
 	CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
 	CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000,
 	CPU_R12000, CPU_R14000, CPU_R16000, CPU_VR41XX, CPU_VR4111, CPU_VR4121,
 	CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
 	CPU_SR71000, CPU_TX49XX,

 	/*
 	 * R8000 class processors
 	 */
 	CPU_R8000,

 	/*
 	 * TX3900 class processors
 	 */
 	CPU_TX3912, CPU_TX3922, CPU_TX3927,

 	/*
 	 * MIPS32 class processors
 	 */
 	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
 	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
 	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
 	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K,
 	CPU_M5150, CPU_I6400, CPU_P6600, CPU_M6250,

 	/*
 	 * MIPS64 class processors
 	 */
 	CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
 	CPU_LOONGSON3, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS,
 	CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP, CPU_I6500,

 	CPU_QEMU_GENERIC,

 	CPU_LAST
 };

 #endif /* !__ASSEMBLY */

 /*
  * ISA Level encodings
  *
  */
 #define MIPS_CPU_ISA_II		0x00000001
 #define MIPS_CPU_ISA_III	0x00000002
 #define MIPS_CPU_ISA_IV		0x00000004
 #define MIPS_CPU_ISA_V		0x00000008
 #define MIPS_CPU_ISA_M32R1	0x00000010
 #define MIPS_CPU_ISA_M32R2	0x00000020
 #define MIPS_CPU_ISA_M64R1	0x00000040
 #define MIPS_CPU_ISA_M64R2	0x00000080
 #define MIPS_CPU_ISA_M32R6	0x00000100
 #define MIPS_CPU_ISA_M64R6	0x00000200

 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \
 	MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R6)
 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
 	MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \
 	MIPS_CPU_ISA_M64R6)

 /*
  * Private version of BIT_ULL() to escape include file recursion hell.
  * We soon will have to switch to another mechanism that will work with
  * more than 64 bits anyway.
  */
 #define MBIT_ULL(bit)		(1ULL << (bit))

 /*
  * CPU Option encodings
  */
 #define MIPS_CPU_TLB		MBIT_ULL( 0)	/* CPU has TLB */
 #define MIPS_CPU_4KEX		MBIT_ULL( 1)	/* "R4K" exception model */
 #define MIPS_CPU_3K_CACHE	MBIT_ULL( 2)	/* R3000-style caches */
 #define MIPS_CPU_4K_CACHE	MBIT_ULL( 3)	/* R4000-style caches */
 #define MIPS_CPU_TX39_CACHE	MBIT_ULL( 4)	/* TX3900-style caches */
 #define MIPS_CPU_FPU		MBIT_ULL( 5)	/* CPU has FPU */
 #define MIPS_CPU_32FPR		MBIT_ULL( 6)	/* 32 dbl. prec. FP registers */
 #define MIPS_CPU_COUNTER	MBIT_ULL( 7)	/* Cycle count/compare */
 #define MIPS_CPU_WATCH		MBIT_ULL( 8)	/* watchpoint registers */
 #define MIPS_CPU_DIVEC		MBIT_ULL( 9)	/* dedicated interrupt vector */
 #define MIPS_CPU_VCE		MBIT_ULL(10)	/* virt. coherence conflict possible */
 #define MIPS_CPU_CACHE_CDEX_P	MBIT_ULL(11)	/* Create_Dirty_Exclusive CACHE op */
 #define MIPS_CPU_CACHE_CDEX_S	MBIT_ULL(12)	/* ... same for seconary cache ... */
 #define MIPS_CPU_MCHECK		MBIT_ULL(13)	/* Machine check exception */
 #define MIPS_CPU_EJTAG		MBIT_ULL(14)	/* EJTAG exception */
 #define MIPS_CPU_NOFPUEX	MBIT_ULL(15)	/* no FPU exception */
 #define MIPS_CPU_LLSC		MBIT_ULL(16)	/* CPU has ll/sc instructions */
 #define MIPS_CPU_INCLUSIVE_CACHES	MBIT_ULL(17)	/* P-cache subset enforced */
 #define MIPS_CPU_PREFETCH	MBIT_ULL(18)	/* CPU has usable prefetch */
 #define MIPS_CPU_VINT		MBIT_ULL(19)	/* CPU supports MIPSR2 vectored interrupts */
 #define MIPS_CPU_VEIC		MBIT_ULL(20)	/* CPU supports MIPSR2 external interrupt controller mode */
 #define MIPS_CPU_ULRI		MBIT_ULL(21)	/* CPU has ULRI feature */
 #define MIPS_CPU_PCI		MBIT_ULL(22)	/* CPU has Perf Ctr Int indicator */
 #define MIPS_CPU_RIXI		MBIT_ULL(23)	/* CPU has TLB Read/eXec Inhibit */
 #define MIPS_CPU_MICROMIPS	MBIT_ULL(24)	/* CPU has microMIPS capability */
 #define MIPS_CPU_TLBINV		MBIT_ULL(25)	/* CPU supports TLBINV/F */
 #define MIPS_CPU_SEGMENTS	MBIT_ULL(26)	/* CPU supports Segmentation Control registers */
 #define MIPS_CPU_EVA		MBIT_ULL(27)	/* CPU supports Enhanced Virtual Addressing */
 #define MIPS_CPU_HTW		MBIT_ULL(28)	/* CPU support Hardware Page Table Walker */
 #define MIPS_CPU_RIXIEX		MBIT_ULL(29)	/* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
 #define MIPS_CPU_MAAR		MBIT_ULL(30)	/* MAAR(I) registers are present */
 #define MIPS_CPU_FRE		MBIT_ULL(31)	/* FRE & UFE bits implemented */
 #define MIPS_CPU_RW_LLB		MBIT_ULL(32)	/* LLADDR/LLB writes are allowed */
 #define MIPS_CPU_LPA		MBIT_ULL(33)	/* CPU supports Large Physical Addressing */
 #define MIPS_CPU_CDMM		MBIT_ULL(34)	/* CPU has Common Device Memory Map */
 #define MIPS_CPU_BP_GHIST	MBIT_ULL(35)	/* R12K+ Branch Prediction Global History */
 #define MIPS_CPU_SP		MBIT_ULL(36)	/* Small (1KB) page support */
 #define MIPS_CPU_FTLB		MBIT_ULL(37)	/* CPU has Fixed-page-size TLB */
 #define MIPS_CPU_NAN_LEGACY	MBIT_ULL(38)	/* Legacy NaN implemented */
 #define MIPS_CPU_NAN_2008	MBIT_ULL(39)	/* 2008 NaN implemented */
 #define MIPS_CPU_VP		MBIT_ULL(40)	/* MIPSr6 Virtual Processors (multi-threading) */
 #define MIPS_CPU_LDPTE		MBIT_ULL(41)	/* CPU has ldpte/lddir instructions */
 #define MIPS_CPU_MVH		MBIT_ULL(42)	/* CPU supports MFHC0/MTHC0 */
 #define MIPS_CPU_EBASE_WG	MBIT_ULL(43)	/* CPU has EBase.WG */
 #define MIPS_CPU_BADINSTR	MBIT_ULL(44)	/* CPU has BadInstr register */
 #define MIPS_CPU_BADINSTRP	MBIT_ULL(45)	/* CPU has BadInstrP register */
 #define MIPS_CPU_CTXTC		MBIT_ULL(46)	/* CPU has [X]ConfigContext registers */
 #define MIPS_CPU_PERF		MBIT_ULL(47)	/* CPU has MIPS performance counters */
 #define MIPS_CPU_GUESTCTL0EXT	MBIT_ULL(48)	/* CPU has VZ GuestCtl0Ext register */
 #define MIPS_CPU_GUESTCTL1	MBIT_ULL(49)	/* CPU has VZ GuestCtl1 register */
 #define MIPS_CPU_GUESTCTL2	MBIT_ULL(50)	/* CPU has VZ GuestCtl2 register */
 #define MIPS_CPU_GUESTID	MBIT_ULL(51)	/* CPU uses VZ ASE GuestID feature */
 #define MIPS_CPU_DRG		MBIT_ULL(52)	/* CPU has VZ Direct Root to Guest (DRG) */
 #define MIPS_CPU_UFR		MBIT_ULL(53)	/* CPU supports User mode FR switching */
 #define MIPS_CPU_SHARED_FTLB_RAM \
 				MBIT_ULL(54)	/* CPU shares FTLB RAM with another */
 #define MIPS_CPU_SHARED_FTLB_ENTRIES \
 				MBIT_ULL(55)	/* CPU shares FTLB entries with another */

 /*
  * CPU ASE encodings
  */
 #define MIPS_ASE_MIPS16		0x00000001 /* code compression */
 #define MIPS_ASE_MDMX		0x00000002 /* MIPS digital media extension */
 #define MIPS_ASE_MIPS3D		0x00000004 /* MIPS-3D */
 #define MIPS_ASE_SMARTMIPS	0x00000008 /* SmartMIPS */
 #define MIPS_ASE_DSP		0x00000010 /* Signal Processing ASE */
 #define MIPS_ASE_MIPSMT		0x00000020 /* CPU supports MIPS MT */
 #define MIPS_ASE_DSP2P		0x00000040 /* Signal Processing ASE Rev 2 */
 #define MIPS_ASE_VZ		0x00000080 /* Virtualization ASE */
 #define MIPS_ASE_MSA		0x00000100 /* MIPS SIMD Architecture */
 #define MIPS_ASE_DSP3		0x00000200 /* Signal Processing ASE Rev 3*/
 #define MIPS_ASE_MIPS16E2	0x00000400 /* MIPS16e2 */

 #endif /* _ASM_CPU_H */
	/*
	* cpu.h: Values of the PRId register used to match up
	* various MIPS cpu types.
	*
	* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
	* Copyright (C) 2004, 2013 Maciej W. Rozycki
	*/
	#ifndef _ASM_CPU_H
	#define _ASM_CPU_H

	/*
	As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
	register 15, select 0) is defined in this (backwards compatible) way:

	+----------------+----------------+----------------+----------------+
	\| Company Options\| Company ID \| Processor ID \| Revision \|
	+----------------+----------------+----------------+----------------+
	31 24 23 16 15 8 7

	I don't have docs for all the previous processors, but my impression is
	that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
	spec.
	*/

	#define PRID_OPT_MASK 0xff000000

	/*
	* Assigned Company values for bits 23:16 of the PRId register.
	*/

	#define PRID_COMP_MASK 0xff0000

	#define PRID_COMP_LEGACY 0x000000
	#define PRID_COMP_MIPS 0x010000
	#define PRID_COMP_BROADCOM 0x020000
	#define PRID_COMP_ALCHEMY 0x030000
	#define PRID_COMP_SIBYTE 0x040000
	#define PRID_COMP_SANDCRAFT 0x050000
	#define PRID_COMP_NXP 0x060000
	#define PRID_COMP_TOSHIBA 0x070000
	#define PRID_COMP_LSI 0x080000
	#define PRID_COMP_LEXRA 0x0b0000
	#define PRID_COMP_NETLOGIC 0x0c0000
	#define PRID_COMP_CAVIUM 0x0d0000
	#define PRID_COMP_LOONGSON 0x140000
	#define PRID_COMP_INGENIC_D0 0xd00000 /* JZ4740, JZ4750 */
	#define PRID_COMP_INGENIC_D1 0xd10000 /* JZ4770, JZ4775 */
	#define PRID_COMP_INGENIC_E1 0xe10000 /* JZ4780 */

	/*
	* Assigned Processor ID (implementation) values for bits 15:8 of the PRId
	* register. In order to detect a certain CPU type exactly eventually
	* additional registers may need to be examined.
	*/

	#define PRID_IMP_MASK 0xff00

	/*
	* These are valid when 23:16 == PRID_COMP_LEGACY
	*/

	#define PRID_IMP_R2000 0x0100
	#define PRID_IMP_AU1_REV1 0x0100
	#define PRID_IMP_AU1_REV2 0x0200
	#define PRID_IMP_R3000 0x0200 /* Same as R2000A */
	#define PRID_IMP_R6000 0x0300 /* Same as R3000A */
	#define PRID_IMP_R4000 0x0400
	#define PRID_IMP_R6000A 0x0600
	#define PRID_IMP_R10000 0x0900
	#define PRID_IMP_R4300 0x0b00
	#define PRID_IMP_VR41XX 0x0c00
	#define PRID_IMP_R12000 0x0e00
	#define PRID_IMP_R14000 0x0f00 /* R14K && R16K */
	#define PRID_IMP_R8000 0x1000
	#define PRID_IMP_PR4450 0x1200
	#define PRID_IMP_R4600 0x2000
	#define PRID_IMP_R4700 0x2100
	#define PRID_IMP_TX39 0x2200
	#define PRID_IMP_R4640 0x2200
	#define PRID_IMP_R4650 0x2200 /* Same as R4640 */
	#define PRID_IMP_R5000 0x2300
	#define PRID_IMP_TX49 0x2d00
	#define PRID_IMP_SONIC 0x2400
	#define PRID_IMP_MAGIC 0x2500
	#define PRID_IMP_RM7000 0x2700
	#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
	#define PRID_IMP_RM9000 0x3400
	#define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */
	#define PRID_IMP_R5432 0x5400
	#define PRID_IMP_R5500 0x5500
	#define PRID_IMP_LOONGSON_64 0x6300 /* Loongson-2/3 */

	#define PRID_IMP_UNKNOWN 0xff00

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_MIPS
	*/

	#define PRID_IMP_QEMU_GENERIC 0x0000
	#define PRID_IMP_4KC 0x8000
	#define PRID_IMP_5KC 0x8100
	#define PRID_IMP_20KC 0x8200
	#define PRID_IMP_4KEC 0x8400
	#define PRID_IMP_4KSC 0x8600
	#define PRID_IMP_25KF 0x8800
	#define PRID_IMP_5KE 0x8900
	#define PRID_IMP_4KECR2 0x9000
	#define PRID_IMP_4KEMPR2 0x9100
	#define PRID_IMP_4KSD 0x9200
	#define PRID_IMP_24K 0x9300
	#define PRID_IMP_34K 0x9500
	#define PRID_IMP_24KE 0x9600
	#define PRID_IMP_74K 0x9700
	#define PRID_IMP_1004K 0x9900
	#define PRID_IMP_1074K 0x9a00
	#define PRID_IMP_M14KC 0x9c00
	#define PRID_IMP_M14KEC 0x9e00
	#define PRID_IMP_INTERAPTIV_UP 0xa000
	#define PRID_IMP_INTERAPTIV_MP 0xa100
	#define PRID_IMP_PROAPTIV_UP 0xa200
	#define PRID_IMP_PROAPTIV_MP 0xa300
	#define PRID_IMP_P6600 0xa400
	#define PRID_IMP_M5150 0xa700
	#define PRID_IMP_P5600 0xa800
	#define PRID_IMP_I6400 0xa900
	#define PRID_IMP_M6250 0xab00
	#define PRID_IMP_I6500 0xb000

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
	*/

	#define PRID_IMP_SB1 0x0100
	#define PRID_IMP_SB1A 0x1100

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
	*/

	#define PRID_IMP_SR71000 0x0400

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
	*/

	#define PRID_IMP_BMIPS32_REV4 0x4000
	#define PRID_IMP_BMIPS32_REV8 0x8000
	#define PRID_IMP_BMIPS3300 0x9000
	#define PRID_IMP_BMIPS3300_ALT 0x9100
	#define PRID_IMP_BMIPS3300_BUG 0x0000
	#define PRID_IMP_BMIPS43XX 0xa000
	#define PRID_IMP_BMIPS5000 0x5a00
	#define PRID_IMP_BMIPS5200 0x5b00

	#define PRID_REV_BMIPS4380_LO 0x0040
	#define PRID_REV_BMIPS4380_HI 0x006f

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
	*/

	#define PRID_IMP_CAVIUM_CN38XX 0x0000
	#define PRID_IMP_CAVIUM_CN31XX 0x0100
	#define PRID_IMP_CAVIUM_CN30XX 0x0200
	#define PRID_IMP_CAVIUM_CN58XX 0x0300
	#define PRID_IMP_CAVIUM_CN56XX 0x0400
	#define PRID_IMP_CAVIUM_CN50XX 0x0600
	#define PRID_IMP_CAVIUM_CN52XX 0x0700
	#define PRID_IMP_CAVIUM_CN63XX 0x9000
	#define PRID_IMP_CAVIUM_CN68XX 0x9100
	#define PRID_IMP_CAVIUM_CN66XX 0x9200
	#define PRID_IMP_CAVIUM_CN61XX 0x9300
	#define PRID_IMP_CAVIUM_CNF71XX 0x9400
	#define PRID_IMP_CAVIUM_CN78XX 0x9500
	#define PRID_IMP_CAVIUM_CN70XX 0x9600
	#define PRID_IMP_CAVIUM_CN73XX 0x9700
	#define PRID_IMP_CAVIUM_CNF75XX 0x9800

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
	*/

	#define PRID_IMP_JZRISC 0x0200

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
	*/
	#define PRID_IMP_NETLOGIC_XLR732 0x0000
	#define PRID_IMP_NETLOGIC_XLR716 0x0200
	#define PRID_IMP_NETLOGIC_XLR532 0x0900
	#define PRID_IMP_NETLOGIC_XLR308 0x0600
	#define PRID_IMP_NETLOGIC_XLR532C 0x0800
	#define PRID_IMP_NETLOGIC_XLR516C 0x0a00
	#define PRID_IMP_NETLOGIC_XLR508C 0x0b00
	#define PRID_IMP_NETLOGIC_XLR308C 0x0f00
	#define PRID_IMP_NETLOGIC_XLS608 0x8000
	#define PRID_IMP_NETLOGIC_XLS408 0x8800
	#define PRID_IMP_NETLOGIC_XLS404 0x8c00
	#define PRID_IMP_NETLOGIC_XLS208 0x8e00
	#define PRID_IMP_NETLOGIC_XLS204 0x8f00
	#define PRID_IMP_NETLOGIC_XLS108 0xce00
	#define PRID_IMP_NETLOGIC_XLS104 0xcf00
	#define PRID_IMP_NETLOGIC_XLS616B 0x4000
	#define PRID_IMP_NETLOGIC_XLS608B 0x4a00
	#define PRID_IMP_NETLOGIC_XLS416B 0x4400
	#define PRID_IMP_NETLOGIC_XLS412B 0x4c00
	#define PRID_IMP_NETLOGIC_XLS408B 0x4e00
	#define PRID_IMP_NETLOGIC_XLS404B 0x4f00
	#define PRID_IMP_NETLOGIC_AU13XX 0x8000

	#define PRID_IMP_NETLOGIC_XLP8XX 0x1000
	#define PRID_IMP_NETLOGIC_XLP3XX 0x1100
	#define PRID_IMP_NETLOGIC_XLP2XX 0x1200
	#define PRID_IMP_NETLOGIC_XLP9XX 0x1500
	#define PRID_IMP_NETLOGIC_XLP5XX 0x1300

	/*
	* Particular Revision values for bits 7:0 of the PRId register.
	*/

	#define PRID_REV_MASK 0x00ff

	/*
	* Definitions for 7:0 on legacy processors
	*/

	#define PRID_REV_TX4927 0x0022
	#define PRID_REV_TX4937 0x0030
	#define PRID_REV_R4400 0x0040
	#define PRID_REV_R3000A 0x0030
	#define PRID_REV_R3000 0x0020
	#define PRID_REV_R2000A 0x0010
	#define PRID_REV_TX3912 0x0010
	#define PRID_REV_TX3922 0x0030
	#define PRID_REV_TX3927 0x0040
	#define PRID_REV_VR4111 0x0050
	#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
	#define PRID_REV_VR4121 0x0060
	#define PRID_REV_VR4122 0x0070
	#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
	#define PRID_REV_VR4130 0x0080
	#define PRID_REV_34K_V1_0_2 0x0022
	#define PRID_REV_LOONGSON1B 0x0020
	#define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */
	#define PRID_REV_LOONGSON2E 0x0002
	#define PRID_REV_LOONGSON2F 0x0003
	#define PRID_REV_LOONGSON3A_R1 0x0005
	#define PRID_REV_LOONGSON3B_R1 0x0006
	#define PRID_REV_LOONGSON3B_R2 0x0007
	#define PRID_REV_LOONGSON3A_R2 0x0008
	#define PRID_REV_LOONGSON3A_R3 0x0009

	/*
	* Older processors used to encode processor version and revision in two
	* 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
	* have switched to use the 8-bits as 3:3:2 bitfield with the last field as
	* the patch number. ARGH
	*/
	#define PRID_REV_ENCODE_44(ver, rev) \
	((ver) << 4 \| (rev))
	#define PRID_REV_ENCODE_332(ver, rev, patch) \
	((ver) << 5 \| (rev) << 2 \| (patch))

	/*
	* FPU implementation/revision register (CP1 control register 0).
	*
	* +---------------------------------+----------------+----------------+
	* \| 0 \| Implementation \| Revision \|
	* +---------------------------------+----------------+----------------+
	* 31 16 15 8 7 0
	*/

	#define FPIR_IMP_MASK 0xff00

	#define FPIR_IMP_NONE 0x0000

	#if !defined(__ASSEMBLY__)

	enum cpu_type_enum {
	CPU_UNKNOWN,

	/*
	* R2000 class processors
	*/
	CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052,
	CPU_R3081, CPU_R3081E,

	/*
	* R6000 class processors
	*/
	CPU_R6000, CPU_R6000A,

	/*
	* R4000 class processors
	*/
	CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
	CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
	CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000,
	CPU_R12000, CPU_R14000, CPU_R16000, CPU_VR41XX, CPU_VR4111, CPU_VR4121,
	CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
	CPU_SR71000, CPU_TX49XX,

	/*
	* R8000 class processors
	*/
	CPU_R8000,

	/*
	* TX3900 class processors
	*/
	CPU_TX3912, CPU_TX3922, CPU_TX3927,

	/*
	* MIPS32 class processors
	*/
	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K,
	CPU_M5150, CPU_I6400, CPU_P6600, CPU_M6250,

	/*
	* MIPS64 class processors
	*/
	CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
	CPU_LOONGSON3, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS,
	CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP, CPU_I6500,

	CPU_QEMU_GENERIC,

	CPU_LAST
	};

	#endif /* !__ASSEMBLY */

	/*
	* ISA Level encodings
	*
	*/
	#define MIPS_CPU_ISA_II 0x00000001
	#define MIPS_CPU_ISA_III 0x00000002
	#define MIPS_CPU_ISA_IV 0x00000004
	#define MIPS_CPU_ISA_V 0x00000008
	#define MIPS_CPU_ISA_M32R1 0x00000010
	#define MIPS_CPU_ISA_M32R2 0x00000020
	#define MIPS_CPU_ISA_M64R1 0x00000040
	#define MIPS_CPU_ISA_M64R2 0x00000080
	#define MIPS_CPU_ISA_M32R6 0x00000100
	#define MIPS_CPU_ISA_M64R6 0x00000200

	#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II \| MIPS_CPU_ISA_M32R1 \| \
	MIPS_CPU_ISA_M32R2 \| MIPS_CPU_ISA_M32R6)
	#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III \| MIPS_CPU_ISA_IV \| \
	MIPS_CPU_ISA_V \| MIPS_CPU_ISA_M64R1 \| MIPS_CPU_ISA_M64R2 \| \
	MIPS_CPU_ISA_M64R6)

	/*
	* Private version of BIT_ULL() to escape include file recursion hell.
	* We soon will have to switch to another mechanism that will work with
	* more than 64 bits anyway.
	*/
	#define MBIT_ULL(bit) (1ULL << (bit))

	/*
	* CPU Option encodings
	*/
	#define MIPS_CPU_TLB MBIT_ULL( 0) /* CPU has TLB */
	#define MIPS_CPU_4KEX MBIT_ULL( 1) /* "R4K" exception model */
	#define MIPS_CPU_3K_CACHE MBIT_ULL( 2) /* R3000-style caches */
	#define MIPS_CPU_4K_CACHE MBIT_ULL( 3) /* R4000-style caches */
	#define MIPS_CPU_TX39_CACHE MBIT_ULL( 4) /* TX3900-style caches */
	#define MIPS_CPU_FPU MBIT_ULL( 5) /* CPU has FPU */
	#define MIPS_CPU_32FPR MBIT_ULL( 6) /* 32 dbl. prec. FP registers */
	#define MIPS_CPU_COUNTER MBIT_ULL( 7) /* Cycle count/compare */
	#define MIPS_CPU_WATCH MBIT_ULL( 8) /* watchpoint registers */
	#define MIPS_CPU_DIVEC MBIT_ULL( 9) /* dedicated interrupt vector */
	#define MIPS_CPU_VCE MBIT_ULL(10) /* virt. coherence conflict possible */
	#define MIPS_CPU_CACHE_CDEX_P MBIT_ULL(11) /* Create_Dirty_Exclusive CACHE op */
	#define MIPS_CPU_CACHE_CDEX_S MBIT_ULL(12) /* ... same for seconary cache ... */
	#define MIPS_CPU_MCHECK MBIT_ULL(13) /* Machine check exception */
	#define MIPS_CPU_EJTAG MBIT_ULL(14) /* EJTAG exception */
	#define MIPS_CPU_NOFPUEX MBIT_ULL(15) /* no FPU exception */
	#define MIPS_CPU_LLSC MBIT_ULL(16) /* CPU has ll/sc instructions */
	#define MIPS_CPU_INCLUSIVE_CACHES MBIT_ULL(17) /* P-cache subset enforced */
	#define MIPS_CPU_PREFETCH MBIT_ULL(18) /* CPU has usable prefetch */
	#define MIPS_CPU_VINT MBIT_ULL(19) /* CPU supports MIPSR2 vectored interrupts */
	#define MIPS_CPU_VEIC MBIT_ULL(20) /* CPU supports MIPSR2 external interrupt controller mode */
	#define MIPS_CPU_ULRI MBIT_ULL(21) /* CPU has ULRI feature */
	#define MIPS_CPU_PCI MBIT_ULL(22) /* CPU has Perf Ctr Int indicator */
	#define MIPS_CPU_RIXI MBIT_ULL(23) /* CPU has TLB Read/eXec Inhibit */
	#define MIPS_CPU_MICROMIPS MBIT_ULL(24) /* CPU has microMIPS capability */
	#define MIPS_CPU_TLBINV MBIT_ULL(25) /* CPU supports TLBINV/F */
	#define MIPS_CPU_SEGMENTS MBIT_ULL(26) /* CPU supports Segmentation Control registers */
	#define MIPS_CPU_EVA MBIT_ULL(27) /* CPU supports Enhanced Virtual Addressing */
	#define MIPS_CPU_HTW MBIT_ULL(28) /* CPU support Hardware Page Table Walker */
	#define MIPS_CPU_RIXIEX MBIT_ULL(29) /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
	#define MIPS_CPU_MAAR MBIT_ULL(30) /* MAAR(I) registers are present */
	#define MIPS_CPU_FRE MBIT_ULL(31) /* FRE & UFE bits implemented */
	#define MIPS_CPU_RW_LLB MBIT_ULL(32) /* LLADDR/LLB writes are allowed */
	#define MIPS_CPU_LPA MBIT_ULL(33) /* CPU supports Large Physical Addressing */
	#define MIPS_CPU_CDMM MBIT_ULL(34) /* CPU has Common Device Memory Map */
	#define MIPS_CPU_BP_GHIST MBIT_ULL(35) /* R12K+ Branch Prediction Global History */
	#define MIPS_CPU_SP MBIT_ULL(36) /* Small (1KB) page support */
	#define MIPS_CPU_FTLB MBIT_ULL(37) /* CPU has Fixed-page-size TLB */
	#define MIPS_CPU_NAN_LEGACY MBIT_ULL(38) /* Legacy NaN implemented */
	#define MIPS_CPU_NAN_2008 MBIT_ULL(39) /* 2008 NaN implemented */
	#define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
	#define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */
	#define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
	#define MIPS_CPU_EBASE_WG MBIT_ULL(43) /* CPU has EBase.WG */
	#define MIPS_CPU_BADINSTR MBIT_ULL(44) /* CPU has BadInstr register */
	#define MIPS_CPU_BADINSTRP MBIT_ULL(45) /* CPU has BadInstrP register */
	#define MIPS_CPU_CTXTC MBIT_ULL(46) /* CPU has [X]ConfigContext registers */
	#define MIPS_CPU_PERF MBIT_ULL(47) /* CPU has MIPS performance counters */
	#define MIPS_CPU_GUESTCTL0EXT MBIT_ULL(48) /* CPU has VZ GuestCtl0Ext register */
	#define MIPS_CPU_GUESTCTL1 MBIT_ULL(49) /* CPU has VZ GuestCtl1 register */
	#define MIPS_CPU_GUESTCTL2 MBIT_ULL(50) /* CPU has VZ GuestCtl2 register */
	#define MIPS_CPU_GUESTID MBIT_ULL(51) /* CPU uses VZ ASE GuestID feature */
	#define MIPS_CPU_DRG MBIT_ULL(52) /* CPU has VZ Direct Root to Guest (DRG) */
	#define MIPS_CPU_UFR MBIT_ULL(53) /* CPU supports User mode FR switching */
	#define MIPS_CPU_SHARED_FTLB_RAM \
	MBIT_ULL(54) /* CPU shares FTLB RAM with another */
	#define MIPS_CPU_SHARED_FTLB_ENTRIES \
	MBIT_ULL(55) /* CPU shares FTLB entries with another */

	/*
	* CPU ASE encodings
	*/
	#define MIPS_ASE_MIPS16 0x00000001 /* code compression */
	#define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
	#define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
	#define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
	#define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
	#define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
	#define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */
	#define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */
	#define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */
	#define MIPS_ASE_DSP3 0x00000200 /* Signal Processing ASE Rev 3*/
	#define MIPS_ASE_MIPS16E2 0x00000400 /* MIPS16e2 */

	#endif /* _ASM_CPU_H */