1 /*-
2 * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com>
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: releng/11.2/sys/mips/broadcom/bcm_socinfo.c 302190 2016-06-25 04:34:54Z landonf $");
30
31 #include <sys/param.h>
32 #include "bcm_socinfo.h"
33
34 /* found on https://wireless.wiki.kernel.org/en/users/drivers/b43/soc */
35 struct bcm_socinfo bcm_socinfos[] = {
36 {0x00005300, 600, 25000000, 1}, /* BCM4706 to check */
37 {0x0022B83A, 300, 20000000, 1}, /* BCM4716B0 ASUS RT-N12 */
38 {0x00914716, 354, 20000000, 1}, /* BCM4717A1 to check */
39 {0x00A14716, 480, 20000000, 1}, /* BCM4718A1 ASUS RT-N16 */
40 {0x00435356, 300, 25000000, 1}, /* BCM5356A1 (RT-N10, WNR1000v3) */
41 {0x00825357, 500, 20000000, 1}, /* BCM5358UB0 ASUS RT-N53A1 */
42 {0x00845357, 300, 20000000, 1}, /* BCM5357B0 to check */
43 {0x00945357, 500, 20000000, 1}, /* BCM5358 */
44 {0x00A45357, 500, 20000000, 1}, /* BCM47186B0 Tenda N60 */
45 {0x0085D144, 300, 20000000, 1}, /* BCM5356C0 */
46 {0x00B5D144, 300, 20000000, 1}, /* BCM5357C0 */
47 {0x00015365, 200, 0, 1}, /* BCM5365 */
48 {0,0,0}
49 };
50
51 /* Most popular BCM SoC info */
52 struct bcm_socinfo BCM_DEFAULT_SOCINFO = {0x0, 300, 20000000, 0};
53
54 struct bcm_socinfo*
55 bcm_get_socinfo_by_socid(uint32_t key)
56 {
57 struct bcm_socinfo* start;
58
59 if(!key)
60 return (NULL);
61
62 for(start = bcm_socinfos; start->id > 0; start++)
63 if(start->id == key)
64 return (start);
65
66 return (NULL);
67 }
68
69 struct bcm_socinfo*
70 bcm_get_socinfo(void)
71 {
72 uint32_t socid;
73 struct bcm_socinfo *socinfo;
74
75 /*
76 * We need Chip ID + Revision + Package
77 * --------------------------------------------------------------
78 * | Mask | Usage |
79 * --------------------------------------------------------------
80 * | 0x0000FFFF | Chip ID |
81 * | 0x000F0000 | Chip Revision |
82 * | 0x00F00000 | Package Options |
83 * | 0x0F000000 | Number of Cores (ChipCommon Rev. >= 4)|
84 * | 0xF0000000 | Chip Type |
85 * --------------------------------------------------------------
86 */
87
88 socid = BCM_READ_REG32(BCM_REG_CHIPC_ID) & 0x00FFFFFF;
89 socinfo = bcm_get_socinfo_by_socid(socid);
90 return (socinfo != NULL) ? socinfo : &BCM_DEFAULT_SOCINFO;
91 }
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