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 <sys/param.h>
31 #include <machine/cpuregs.h>
32
33 #include <mips/sentry5/s5reg.h>
34
35 #include "opt_ddb.h"
36
37 #include <sys/param.h>
38 #include <sys/conf.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 #include <sys/bus.h>
42 #include <sys/cons.h>
43 #include <sys/kdb.h>
44 #include <sys/reboot.h>
45
46 #include <vm/vm.h>
47 #include <vm/vm_page.h>
48
49 #include <net/ethernet.h>
50
51 #include <machine/clock.h>
52 #include <machine/cpu.h>
53 #include <machine/hwfunc.h>
54 #include <machine/md_var.h>
55 #include <machine/trap.h>
56 #include <machine/vmparam.h>
57
58 #include <mips/atheros/ar71xxreg.h>
59 #include <mips/atheros/ar71xx_setup.h>
60
61 #include <mips/atheros/ar71xx_cpudef.h>
62
63 #include <mips/atheros/ar71xx_chip.h>
64 #include <mips/atheros/ar724x_chip.h>
65 #include <mips/atheros/ar91xx_chip.h>
66
67 #define AR71XX_SYS_TYPE_LEN 128
68
69 static char ar71xx_sys_type[AR71XX_SYS_TYPE_LEN];
70 enum ar71xx_soc_type ar71xx_soc;
71 struct ar71xx_cpu_def * ar71xx_cpu_ops = NULL;
72
73 void
74 ar71xx_detect_sys_type(void)
75 {
76 char *chip = "????";
77 uint32_t id;
78 uint32_t major;
79 uint32_t minor;
80 uint32_t rev = 0;
81
82 id = ATH_READ_REG(AR71XX_RST_RESET_REG_REV_ID);
83 major = id & REV_ID_MAJOR_MASK;
84
85 switch (major) {
86 case REV_ID_MAJOR_AR71XX:
87 minor = id & AR71XX_REV_ID_MINOR_MASK;
88 rev = id >> AR71XX_REV_ID_REVISION_SHIFT;
89 rev &= AR71XX_REV_ID_REVISION_MASK;
90 ar71xx_cpu_ops = &ar71xx_chip_def;
91 switch (minor) {
92 case AR71XX_REV_ID_MINOR_AR7130:
93 ar71xx_soc = AR71XX_SOC_AR7130;
94 chip = "7130";
95 break;
96
97 case AR71XX_REV_ID_MINOR_AR7141:
98 ar71xx_soc = AR71XX_SOC_AR7141;
99 chip = "7141";
100 break;
101
102 case AR71XX_REV_ID_MINOR_AR7161:
103 ar71xx_soc = AR71XX_SOC_AR7161;
104 chip = "7161";
105 break;
106 }
107 break;
108
109 case REV_ID_MAJOR_AR7240:
110 ar71xx_soc = AR71XX_SOC_AR7240;
111 chip = "7240";
112 ar71xx_cpu_ops = &ar724x_chip_def;
113 rev = (id & AR724X_REV_ID_REVISION_MASK);
114 break;
115
116 case REV_ID_MAJOR_AR7241:
117 ar71xx_soc = AR71XX_SOC_AR7241;
118 chip = "7241";
119 ar71xx_cpu_ops = &ar724x_chip_def;
120 rev = (id & AR724X_REV_ID_REVISION_MASK);
121 break;
122
123 case REV_ID_MAJOR_AR7242:
124 ar71xx_soc = AR71XX_SOC_AR7242;
125 chip = "7242";
126 ar71xx_cpu_ops = &ar724x_chip_def;
127 rev = (id & AR724X_REV_ID_REVISION_MASK);
128 break;
129
130 case REV_ID_MAJOR_AR913X:
131 minor = id & AR91XX_REV_ID_MINOR_MASK;
132 rev = id >> AR91XX_REV_ID_REVISION_SHIFT;
133 rev &= AR91XX_REV_ID_REVISION_MASK;
134 ar71xx_cpu_ops = &ar91xx_chip_def;
135 switch (minor) {
136 case AR91XX_REV_ID_MINOR_AR9130:
137 ar71xx_soc = AR71XX_SOC_AR9130;
138 chip = "9130";
139 break;
140
141 case AR91XX_REV_ID_MINOR_AR9132:
142 ar71xx_soc = AR71XX_SOC_AR9132;
143 chip = "9132";
144 break;
145 }
146 break;
147
148
149 default:
150 panic("ar71xx: unknown chip id:0x%08x\n", id);
151 }
152
153 sprintf(ar71xx_sys_type, "Atheros AR%s rev %u", chip, rev);
154 }
155
156 const char *
157 ar71xx_get_system_type(void)
158 {
159 return ar71xx_sys_type;
160 }
161
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