diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
new file mode 100644
index 0000000..dec060b
--- /dev/null
+++ b/include/asm-mips/cpu.h
@@ -0,0 +1,222 @@
+/*
+ * 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)
+ */
+#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
+
+/*
+ * 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_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_LAST		58
+
+/*
+ * 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_MIPS16		0x00000100 /* code compression */
+#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 */
+
+#endif /* _ASM_CPU_H */