1/*- 2 * Copyright (c) 2010 Adrian Chadd 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include "opt_ddb.h" 31 32#include <sys/param.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/cons.h> 38#include <sys/kdb.h> 39#include <sys/reboot.h> 40 41#include <vm/vm.h> 42#include <vm/vm_page.h> 43 44#include <net/ethernet.h> 45 46#include <machine/clock.h> 47#include <machine/cpu.h> 48#include <machine/cpuregs.h> 49#include <machine/hwfunc.h> 50#include <machine/md_var.h> 51#include <machine/trap.h> 52#include <machine/vmparam.h> 53 54#include <mips/atheros/ar71xxreg.h> 55#include <mips/atheros/ar71xx_setup.h> 56 57#include <mips/atheros/ar71xx_cpudef.h> 58 59#include <mips/atheros/ar71xx_chip.h> 60#include <mips/atheros/ar724x_chip.h> 61#include <mips/atheros/ar91xx_chip.h> 62 63#include <mips/sentry5/s5reg.h> 64 65#define AR71XX_SYS_TYPE_LEN 128 66 67static char ar71xx_sys_type[AR71XX_SYS_TYPE_LEN]; 68enum ar71xx_soc_type ar71xx_soc; 69struct ar71xx_cpu_def * ar71xx_cpu_ops = NULL; 70 71void 72ar71xx_detect_sys_type(void) 73{ 74 char *chip = "????"; 75 uint32_t id; 76 uint32_t major; 77 uint32_t minor; 78 uint32_t rev = 0; 79 80 id = ATH_READ_REG(AR71XX_RST_RESET_REG_REV_ID); 81 major = id & REV_ID_MAJOR_MASK; 82 83 switch (major) { 84 case REV_ID_MAJOR_AR71XX: 85 minor = id & AR71XX_REV_ID_MINOR_MASK; 86 rev = id >> AR71XX_REV_ID_REVISION_SHIFT; 87 rev &= AR71XX_REV_ID_REVISION_MASK; 88 ar71xx_cpu_ops = &ar71xx_chip_def; 89 switch (minor) { 90 case AR71XX_REV_ID_MINOR_AR7130: 91 ar71xx_soc = AR71XX_SOC_AR7130; 92 chip = "7130"; 93 break; 94 95 case AR71XX_REV_ID_MINOR_AR7141: 96 ar71xx_soc = AR71XX_SOC_AR7141; 97 chip = "7141"; 98 break; 99 100 case AR71XX_REV_ID_MINOR_AR7161: 101 ar71xx_soc = AR71XX_SOC_AR7161; 102 chip = "7161"; 103 break; 104 } 105 break; 106 107 case REV_ID_MAJOR_AR7240: 108 ar71xx_soc = AR71XX_SOC_AR7240; 109 chip = "7240"; 110 ar71xx_cpu_ops = &ar724x_chip_def; 111 rev = (id & AR724X_REV_ID_REVISION_MASK); 112 break; 113 114 case REV_ID_MAJOR_AR7241: 115 ar71xx_soc = AR71XX_SOC_AR7241; 116 chip = "7241"; 117 ar71xx_cpu_ops = &ar724x_chip_def; 118 rev = (id & AR724X_REV_ID_REVISION_MASK); 119 break; 120 121 case REV_ID_MAJOR_AR7242: 122 ar71xx_soc = AR71XX_SOC_AR7242; 123 chip = "7242"; 124 ar71xx_cpu_ops = &ar724x_chip_def; 125 rev = (id & AR724X_REV_ID_REVISION_MASK); 126 break; 127 128 case REV_ID_MAJOR_AR913X: 129 minor = id & AR91XX_REV_ID_MINOR_MASK; 130 rev = id >> AR91XX_REV_ID_REVISION_SHIFT; 131 rev &= AR91XX_REV_ID_REVISION_MASK; 132 ar71xx_cpu_ops = &ar91xx_chip_def; 133 switch (minor) { 134 case AR91XX_REV_ID_MINOR_AR9130: 135 ar71xx_soc = AR71XX_SOC_AR9130; 136 chip = "9130"; 137 break; 138 139 case AR91XX_REV_ID_MINOR_AR9132: 140 ar71xx_soc = AR71XX_SOC_AR9132; 141 chip = "9132"; 142 break; 143 } 144 break; 145 146 147 default: 148 panic("ar71xx: unknown chip id:0x%08x\n", id); 149 } 150 151 sprintf(ar71xx_sys_type, "Atheros AR%s rev %u", chip, rev); 152} 153 154const char * 155ar71xx_get_system_type(void) 156{ 157 return ar71xx_sys_type; 158} 159 160