1 /* $OpenBSD: octeon_model.h,v 1.9 2024/06/26 01:40:49 jsg Exp $ */
2
3 /*
4 * Copyright (c) 2007
5 * Internet Initiative Japan, Inc. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _MIPS_OCTEON_MODEL_H_
30 #define _MIPS_OCTEON_MODEL_H_
31
32 #define OCTEON_MODEL_CN38XX_REV1 0x000d0000
33 #define OCTEON_MODEL_CN38XX_REV2 0x000d0001
34 #define OCTEON_MODEL_CN38XX_REV3 0x000d0003
35 #define OCTEON_MODEL_CN3100 0x000d0100
36 #define OCTEON_MODEL_CN3020 0x000d0110
37 #define OCTEON_MODEL_CN3010 0x000d0200
38 #define OCTEON_MODEL_CN3005 0x000d0210
39 #define OCTEON_MODEL_CN5010 0x000d0600
40 #define OCTEON_MODEL_CN5010_PASS1_1 0x000d0601
41 #define OCTEON_MODEL_CN61XX_PASS1_0 0x000d9300
42 #define OCTEON_MODEL_CN61XX_PASS1_1 0x000d9301
43
44 #define OCTEON_MODEL_MASK 0x00ffff10
45 #define OCTEON_MODEL_REV_MASK 0x00ffff1f
46 #define OCTEON_MODEL_FAMILY_MASK 0x00ffff00
47 #define OCTEON_MODEL_FAMILY_REV_MASK 0x00ffff0f
48
49 #define OCTEON_MODEL_FAMILY_CN58XX 0x000d0300
50 #define OCTEON_MODEL_FAMILY_CN56XX 0x000d0400
51 #define OCTEON_MODEL_FAMILY_CN38XX 0x000d0000
52 #define OCTEON_MODEL_FAMILY_CN31XX 0x000d0100
53 #define OCTEON_MODEL_FAMILY_CN30XX 0x000d0200
54 #define OCTEON_MODEL_FAMILY_CN50XX 0x000d0600
55 #define OCTEON_MODEL_FAMILY_CN63XX 0x000d9000
56 #define OCTEON_MODEL_FAMILY_CN68XX 0x000d9100
57 #define OCTEON_MODEL_FAMILY_CN66XX 0x000d9200
58 #define OCTEON_MODEL_FAMILY_CN61XX 0x000d9300
59 #define OCTEON_MODEL_FAMILY_CN78XX 0x000d9500
60 #define OCTEON_MODEL_FAMILY_CN71XX 0x000d9600
61 #define OCTEON_MODEL_FAMILY_CN73XX 0x000d9700
62
63 /*
64 * get chip id
65 */
66 static inline uint32_t
octeon_get_chipid(void)67 octeon_get_chipid(void)
68 {
69 uint32_t tmp;
70
71 asm volatile (
72 " .set push \n"
73 " .set mips64 \n"
74 " .set noreorder \n"
75 " mfc0 %0, $15, 0 \n"
76 " .set pop \n"
77 : "=&r"(tmp) : );
78
79 return(tmp);
80 }
81
82 #define octeon_model(id) ((id) & OCTEON_MODEL_MASK)
83 #define octeon_model_revision(id) ((id) & OCTEON_MODEL_REV_MASK)
84 #define octeon_model_family(id) ((id) & OCTEON_MODEL_FAMILY_MASK)
85 #define octeon_model_family_revision(id) ((id) & OCTEON_MODEL_FAMILY_REV_MASK)
86
87 #endif
88