mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
0de663ef86
Todo: Nothing ever detects CPU_BCM6338 but the code tests for it anyway. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
288 lines
8.9 KiB
C
288 lines
8.9 KiB
C
/*
|
|
* 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_NXP 0x060000
|
|
#define PRID_COMP_TOSHIBA 0x070000
|
|
#define PRID_COMP_LSI 0x080000
|
|
#define PRID_COMP_LEXRA 0x0b0000
|
|
#define PRID_COMP_CAVIUM 0x0d0000
|
|
|
|
|
|
/*
|
|
* 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_R14000 0x0f00
|
|
#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_LOONGSON1 0x4200
|
|
#define PRID_IMP_R5432 0x5400
|
|
#define PRID_IMP_R5500 0x5500
|
|
#define PRID_IMP_LOONGSON2 0x6300
|
|
|
|
#define PRID_IMP_UNKNOWN 0xff00
|
|
|
|
/*
|
|
* These are the PRID's for when 23:16 == PRID_COMP_MIPS
|
|
*/
|
|
|
|
#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
|
|
|
|
/*
|
|
* 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_BCM4710 0x4000
|
|
#define PRID_IMP_BCM3302 0x9000
|
|
#define PRID_IMP_BCM6338 0x9000
|
|
#define PRID_IMP_BCM6345 0x8000
|
|
#define PRID_IMP_BCM6348 0x9100
|
|
#define PRID_IMP_BCM4350 0xA000
|
|
#define PRID_REV_BCM6358 0x0010
|
|
#define PRID_REV_BCM6368 0x0030
|
|
|
|
/*
|
|
* 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
|
|
|
|
/*
|
|
* Definitions for 7:0 on legacy processors
|
|
*/
|
|
|
|
#define PRID_REV_MASK 0x00ff
|
|
|
|
#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
|
|
|
|
/*
|
|
* 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_NONE 0x0000
|
|
|
|
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_R5000A, CPU_R5500, CPU_NEVADA, CPU_R5432,
|
|
CPU_R10000, CPU_R12000, CPU_R14000, CPU_VR41XX, CPU_VR4111, CPU_VR4121,
|
|
CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
|
|
CPU_SR71000, CPU_RM9000, 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_BCM3302, CPU_BCM4710,
|
|
CPU_BCM6338, CPU_BCM6345, CPU_BCM6348, CPU_BCM6358,
|
|
|
|
/*
|
|
* MIPS64 class processors
|
|
*/
|
|
CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
|
|
CPU_CAVIUM_OCTEON,
|
|
|
|
CPU_LAST
|
|
};
|
|
|
|
|
|
/*
|
|
* ISA Level encodings
|
|
*
|
|
*/
|
|
#define MIPS_CPU_ISA_I 0x00000001
|
|
#define MIPS_CPU_ISA_II 0x00000002
|
|
#define MIPS_CPU_ISA_III 0x00000004
|
|
#define MIPS_CPU_ISA_IV 0x00000008
|
|
#define MIPS_CPU_ISA_V 0x00000010
|
|
#define MIPS_CPU_ISA_M32R1 0x00000020
|
|
#define MIPS_CPU_ISA_M32R2 0x00000040
|
|
#define MIPS_CPU_ISA_M64R1 0x00000080
|
|
#define MIPS_CPU_ISA_M64R2 0x00000100
|
|
|
|
#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
|
|
MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
|
|
#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)
|
|
|
|
/*
|
|
* CPU Option encodings
|
|
*/
|
|
#define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
|
|
#define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */
|
|
#define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */
|
|
#define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */
|
|
#define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */
|
|
#define MIPS_CPU_FPU 0x00000020 /* CPU has FPU */
|
|
#define MIPS_CPU_32FPR 0x00000040 /* 32 dbl. prec. FP registers */
|
|
#define MIPS_CPU_COUNTER 0x00000080 /* Cycle count/compare */
|
|
#define MIPS_CPU_WATCH 0x00000100 /* 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_INCLUSIVE_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 */
|
|
#define MIPS_CPU_ULRI 0x00200000 /* CPU has ULRI feature */
|
|
|
|
/*
|
|
* 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 */
|