bcm_socinfo.c revision 299994
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: head/sys/mips/broadcom/bcm_socinfo.c 299994 2016-05-17 00:00:01Z adrian $"); 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 */ 35struct bcm_socinfo bcm_socinfos[] = { 36 {0x00005300, 600, 25000000}, /* BCM4706 to check */ 37 {0x0022B83A, 300, 20000000}, /* BCM4716B0 ASUS RT-N12 */ 38 {0x00914716, 354, 20000000}, /* BCM4717A1 to check */ 39 {0x00A14716, 480, 20000000}, /* BCM4718A1 ASUS RT-N16 */ 40 {0x00435356, 300, 25000000}, /* BCM5356A1 (RT-N10, WNR1000v3) */ 41 {0x00825357, 500, 20000000}, /* BCM5358UB0 ASUS RT-N53A1 */ 42 {0x00845357, 300, 20000000}, /* BCM5357B0 to check */ 43 {0x00945357, 500, 20000000}, /* BCM5358 */ 44 {0x00A45357, 500, 20000000}, /* BCM47186B0 Tenda N60 */ 45 {0x0085D144, 300, 20000000}, /* BCM5356C0 */ 46 {0x00B5D144, 300, 20000000}, /* BCM5357C0 */ 47 {0,0,0} 48}; 49 50/* Most popular BCM SoC info */ 51struct bcm_socinfo BCM_DEFAULT_SOCINFO = {0x0, 300, 20000000}; 52 53struct bcm_socinfo* 54bcm_get_socinfo_by_socid(uint32_t key) 55{ 56 struct bcm_socinfo* start; 57 58 if(!key) 59 return (NULL); 60 61 for(start = bcm_socinfos; start->id > 0; start++) 62 if(start->id == key) 63 return (start); 64 65 return (NULL); 66} 67 68struct bcm_socinfo* 69bcm_get_socinfo(void) 70{ 71 uint32_t socid; 72 struct bcm_socinfo *socinfo; 73 74 /* 75 * We need Chip ID + Revision + Package 76 * -------------------------------------------------------------- 77 * | Mask | Usage | 78 * -------------------------------------------------------------- 79 * | 0x0000FFFF | Chip ID | 80 * | 0x000F0000 | Chip Revision | 81 * | 0x00F00000 | Package Options | 82 * | 0x0F000000 | Number of Cores (ChipCommon Rev. >= 4)| 83 * | 0xF0000000 | Chip Type | 84 * -------------------------------------------------------------- 85 */ 86 87 socid = BCM_READ_REG32(BCM_REG_CHIPC_ID) & 0x00FFFFFF; 88 socinfo = bcm_get_socinfo_by_socid(socid); 89 return (socinfo != NULL) ? socinfo : &BCM_DEFAULT_SOCINFO; 90} 91