| /* |
| * cpu.h: Values of the PRId register used to match up |
| * various MIPS cpu types. |
| * |
| * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) |
| * Copyright (C) 2004 Maciej W. Rozycki |
| */ |
| #ifndef _ASM_CPU_H |
| #define _ASM_CPU_H |
| |
| /* Assigned Company values for bits 23:16 of the PRId Register |
| (CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from |
| MTI, the PRId register 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_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_PHILIPS 0x060000 |
| #define PRID_COMP_TOSHIBA 0x070000 |
| #define PRID_COMP_LSI 0x080000 |
| #define PRID_COMP_LEXRA 0x0b0000 |
| |
| |
| /* |
| * Assigned values for the product ID register. In order to detect a |
| * certain CPU type exactly eventually additional registers may need to |
| * be examined. 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_R8000 0x1000 |
| #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_R5432 0x5400 |
| #define PRID_IMP_R5500 0x5500 |
| #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_UNKNOWN 0xff00 |
| |
| /* |
| * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE |
| */ |
| |
| #define PRID_IMP_SB1 0x0100 |
| |
| /* |
| * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT |
| */ |
| |
| #define PRID_IMP_SR71000 0x0400 |
| |
| /* |
| * 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 |
| |
| /* |
| * FPU implementation/revision register (CP1 control register 0). |
| * |
| * +---------------------------------+----------------+----------------+ |
| * | 0 | Implementation | Revision | |
| * +---------------------------------+----------------+----------------+ |
| * 31 16 15 8 7 0 |
| */ |
| |
| #define FPIR_IMP_NONE 0x0000 |
| |
| #define CPU_UNKNOWN 0 |
| #define CPU_R2000 1 |
| #define CPU_R3000 2 |
| #define CPU_R3000A 3 |
| #define CPU_R3041 4 |
| #define CPU_R3051 5 |
| #define CPU_R3052 6 |
| #define CPU_R3081 7 |
| #define CPU_R3081E 8 |
| #define CPU_R4000PC 9 |
| #define CPU_R4000SC 10 |
| #define CPU_R4000MC 11 |
| #define CPU_R4200 12 |
| #define CPU_R4400PC 13 |
| #define CPU_R4400SC 14 |
| #define CPU_R4400MC 15 |
| #define CPU_R4600 16 |
| #define CPU_R6000 17 |
| #define CPU_R6000A 18 |
| #define CPU_R8000 19 |
| #define CPU_R10000 20 |
| #define CPU_R12000 21 |
| #define CPU_R4300 22 |
| #define CPU_R4650 23 |
| #define CPU_R4700 24 |
| #define CPU_R5000 25 |
| #define CPU_R5000A 26 |
| #define CPU_R4640 27 |
| #define CPU_NEVADA 28 |
| #define CPU_RM7000 29 |
| #define CPU_R5432 30 |
| #define CPU_4KC 31 |
| #define CPU_5KC 32 |
| #define CPU_R4310 33 |
| #define CPU_SB1 34 |
| #define CPU_TX3912 35 |
| #define CPU_TX3922 36 |
| #define CPU_TX3927 37 |
| #define CPU_AU1000 38 |
| #define CPU_4KEC 39 |
| #define CPU_4KSC 40 |
| #define CPU_VR41XX 41 |
| #define CPU_R5500 42 |
| #define CPU_TX49XX 43 |
| #define CPU_AU1500 44 |
| #define CPU_20KC 45 |
| #define CPU_VR4111 46 |
| #define CPU_VR4121 47 |
| #define CPU_VR4122 48 |
| #define CPU_VR4131 49 |
| #define CPU_VR4181 50 |
| #define CPU_VR4181A 51 |
| #define CPU_AU1100 52 |
| #define CPU_SR71000 53 |
| #define CPU_RM9000 54 |
| #define CPU_25KF 55 |
| #define CPU_VR4133 56 |
| #define CPU_AU1550 57 |
| #define CPU_24K 58 |
| #define CPU_AU1200 59 |
| #define CPU_34K 60 |
| #define CPU_LAST 60 |
| |
| /* |
| * ISA Level encodings |
| * |
| */ |
| #define MIPS_CPU_ISA_I 0x00000001 |
| #define MIPS_CPU_ISA_II 0x00000002 |
| #define MIPS_CPU_ISA_III 0x00008003 |
| #define MIPS_CPU_ISA_IV 0x00008004 |
| #define MIPS_CPU_ISA_V 0x00008005 |
| #define MIPS_CPU_ISA_M32 0x00000020 |
| #define MIPS_CPU_ISA_M64 0x00008040 |
| |
| /* |
| * Bit 15 encodes if an ISA level supports 64-bit operations. |
| */ |
| #define MIPS_CPU_ISA_64BIT 0x00008000 |
| |
| /* |
| * CPU Option encodings |
| */ |
| #define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */ |
| /* Leave a spare bit for variant MMU types... */ |
| #define MIPS_CPU_4KEX 0x00000004 /* "R4K" exception model */ |
| #define MIPS_CPU_4KTLB 0x00000008 /* "R4K" TLB handler */ |
| #define MIPS_CPU_FPU 0x00000010 /* CPU has FPU */ |
| #define MIPS_CPU_32FPR 0x00000020 /* 32 dbl. prec. FP registers */ |
| #define MIPS_CPU_COUNTER 0x00000040 /* Cycle count/compare */ |
| #define MIPS_CPU_WATCH 0x00000080 /* watchpoint registers */ |
| #define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */ |
| #define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */ |
| #define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */ |
| #define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */ |
| #define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */ |
| #define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */ |
| #define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */ |
| #define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */ |
| #define MIPS_CPU_SUBSET_CACHES 0x00020000 /* P-cache subset enforced */ |
| #define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */ |
| #define MIPS_CPU_VINT 0x00080000 /* CPU supports MIPSR2 vectored interrupts */ |
| #define MIPS_CPU_VEIC 0x00100000 /* CPU supports MIPSR2 external interrupt controller mode */ |
| |
| /* |
| * 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 */ |
| |
| |
| #endif /* _ASM_CPU_H */ |