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51533b61 MS |
1 | /* |
2 | * Display CPU info in /proc/cpuinfo. | |
3 | * | |
4 | * Copyright (C) 2003, Axis Communications AB. | |
5 | */ | |
6 | ||
51533b61 MS |
7 | #include <linux/seq_file.h> |
8 | #include <linux/proc_fs.h> | |
9 | #include <linux/delay.h> | |
10 | #include <linux/param.h> | |
11 | ||
e281a31e JN |
12 | #include <linux/i2c.h> |
13 | #include <linux/platform_device.h> | |
14 | ||
51533b61 MS |
15 | #ifdef CONFIG_PROC_FS |
16 | ||
17 | #define HAS_FPU 0x0001 | |
18 | #define HAS_MMU 0x0002 | |
19 | #define HAS_ETHERNET100 0x0004 | |
20 | #define HAS_TOKENRING 0x0008 | |
21 | #define HAS_SCSI 0x0010 | |
22 | #define HAS_ATA 0x0020 | |
23 | #define HAS_USB 0x0040 | |
24 | #define HAS_IRQ_BUG 0x0080 | |
25 | #define HAS_MMU_BUG 0x0100 | |
26 | ||
27 | struct cpu_info { | |
28 | char *cpu_model; | |
29 | unsigned short rev; | |
30 | unsigned short cache_size; | |
31 | unsigned short flags; | |
32 | }; | |
33 | ||
34 | /* Some of these model are here for historical reasons only. */ | |
35 | static struct cpu_info cpinfo[] = { | |
36 | {"ETRAX 1", 0, 0, 0}, | |
37 | {"ETRAX 2", 1, 0, 0}, | |
38 | {"ETRAX 3", 2, 0, 0}, | |
39 | {"ETRAX 4", 3, 0, 0}, | |
40 | {"Simulator", 7, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA}, | |
41 | {"ETRAX 100", 8, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG}, | |
42 | {"ETRAX 100", 9, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA}, | |
43 | ||
44 | {"ETRAX 100LX", 10, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | |
45 | | HAS_MMU | HAS_MMU_BUG}, | |
46 | ||
47 | {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | |
48 | | HAS_MMU}, | |
e281a31e | 49 | #ifdef CONFIG_ETRAXFS |
51533b61 | 50 | {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU}, |
e281a31e JN |
51 | #else |
52 | {"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU}, | |
53 | #endif | |
51533b61 MS |
54 | {"Unknown", 0, 0, 0} |
55 | }; | |
56 | ||
e281a31e | 57 | int show_cpuinfo(struct seq_file *m, void *v) |
51533b61 MS |
58 | { |
59 | int i; | |
60 | int cpu = (int)v - 1; | |
51533b61 MS |
61 | unsigned long revision; |
62 | struct cpu_info *info; | |
63 | ||
16ad1b49 | 64 | info = &cpinfo[ARRAY_SIZE(cpinfo) - 1]; |
51533b61 MS |
65 | |
66 | #ifdef CONFIG_SMP | |
67 | if (!cpu_online(cpu)) | |
68 | return 0; | |
69 | #endif | |
70 | ||
71 | revision = rdvr(); | |
72 | ||
16ad1b49 | 73 | for (i = 0; i < ARRAY_SIZE(cpinfo); i++) { |
51533b61 MS |
74 | if (cpinfo[i].rev == revision) { |
75 | info = &cpinfo[i]; | |
76 | break; | |
77 | } | |
78 | } | |
79 | ||
80 | return seq_printf(m, | |
81 | "processor\t: %d\n" | |
82 | "cpu\t\t: CRIS\n" | |
83 | "cpu revision\t: %lu\n" | |
84 | "cpu model\t: %s\n" | |
85 | "cache size\t: %d KB\n" | |
86 | "fpu\t\t: %s\n" | |
87 | "mmu\t\t: %s\n" | |
88 | "mmu DMA bug\t: %s\n" | |
89 | "ethernet\t: %s Mbps\n" | |
90 | "token ring\t: %s\n" | |
91 | "scsi\t\t: %s\n" | |
92 | "ata\t\t: %s\n" | |
93 | "usb\t\t: %s\n" | |
94 | "bogomips\t: %lu.%02lu\n\n", | |
95 | ||
96 | cpu, | |
97 | revision, | |
98 | info->cpu_model, | |
99 | info->cache_size, | |
100 | info->flags & HAS_FPU ? "yes" : "no", | |
101 | info->flags & HAS_MMU ? "yes" : "no", | |
102 | info->flags & HAS_MMU_BUG ? "yes" : "no", | |
103 | info->flags & HAS_ETHERNET100 ? "10/100" : "10", | |
104 | info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no", | |
105 | info->flags & HAS_SCSI ? "yes" : "no", | |
106 | info->flags & HAS_ATA ? "yes" : "no", | |
107 | info->flags & HAS_USB ? "yes" : "no", | |
108 | (loops_per_jiffy * HZ + 500) / 500000, | |
109 | ((loops_per_jiffy * HZ + 500) / 5000) % 100); | |
110 | } | |
111 | ||
112 | #endif /* CONFIG_PROC_FS */ | |
113 | ||
e281a31e JN |
114 | void show_etrax_copyright(void) |
115 | { | |
116 | #ifdef CONFIG_ETRAXFS | |
117 | printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS " | |
118 | "(C) 2003, 2004 Axis Communications AB\n"); | |
119 | #else | |
120 | printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 " | |
121 | "(C) 2003-2009 Axis Communications AB\n"); | |
122 | #endif | |
123 | } | |
124 | ||
125 | static struct i2c_board_info __initdata i2c_info[] = { | |
126 | {I2C_BOARD_INFO("camblock", 0x43)}, | |
127 | {I2C_BOARD_INFO("tmp100", 0x48)}, | |
128 | {I2C_BOARD_INFO("tmp100", 0x4A)}, | |
129 | {I2C_BOARD_INFO("tmp100", 0x4C)}, | |
130 | {I2C_BOARD_INFO("tmp100", 0x4D)}, | |
131 | {I2C_BOARD_INFO("tmp100", 0x4E)}, | |
132 | #ifdef CONFIG_RTC_DRV_PCF8563 | |
133 | {I2C_BOARD_INFO("pcf8563", 0x51)}, | |
134 | #endif | |
135 | #ifdef CONFIG_ETRAX_VIRTUAL_GPIO | |
136 | {I2C_BOARD_INFO("vgpio", 0x20)}, | |
137 | {I2C_BOARD_INFO("vgpio", 0x21)}, | |
138 | #endif | |
139 | {I2C_BOARD_INFO("pca9536", 0x41)}, | |
140 | {I2C_BOARD_INFO("fnp300", 0x40)}, | |
141 | {I2C_BOARD_INFO("fnp300", 0x42)}, | |
142 | {I2C_BOARD_INFO("adc101", 0x54)}, | |
143 | }; | |
144 | ||
145 | static struct i2c_board_info __initdata i2c_info2[] = { | |
146 | {I2C_BOARD_INFO("camblock", 0x43)}, | |
147 | {I2C_BOARD_INFO("tmp100", 0x48)}, | |
148 | {I2C_BOARD_INFO("tmp100", 0x4A)}, | |
149 | {I2C_BOARD_INFO("tmp100", 0x4C)}, | |
150 | {I2C_BOARD_INFO("tmp100", 0x4D)}, | |
151 | {I2C_BOARD_INFO("tmp100", 0x4E)}, | |
152 | #ifdef CONFIG_ETRAX_VIRTUAL_GPIO | |
153 | {I2C_BOARD_INFO("vgpio", 0x20)}, | |
154 | {I2C_BOARD_INFO("vgpio", 0x21)}, | |
155 | #endif | |
156 | {I2C_BOARD_INFO("pca9536", 0x41)}, | |
157 | {I2C_BOARD_INFO("fnp300", 0x40)}, | |
158 | {I2C_BOARD_INFO("fnp300", 0x42)}, | |
159 | {I2C_BOARD_INFO("adc101", 0x54)}, | |
160 | }; | |
161 | ||
162 | static struct i2c_board_info __initdata i2c_info3[] = { | |
163 | {I2C_BOARD_INFO("adc101", 0x54)}, | |
164 | }; | |
165 | ||
166 | static int __init etrax_init(void) | |
51533b61 | 167 | { |
e281a31e JN |
168 | i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info)); |
169 | i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2)); | |
170 | i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3)); | |
171 | return 0; | |
51533b61 | 172 | } |
e281a31e | 173 | arch_initcall(etrax_init); |