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6
7#include <linux/seq_file.h>
8#include <linux/proc_fs.h>
9#include <linux/delay.h>
10#include <linux/param.h>
11
12#include <linux/i2c.h>
13#include <linux/platform_device.h>
14
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
27struct cpu_info {
28 char *cpu_model;
29 unsigned short rev;
30 unsigned short cache_size;
31 unsigned short flags;
32};
33
34
35static 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},
49#ifdef CONFIG_ETRAXFS
50 {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
51#else
52 {"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU},
53#endif
54 {"Unknown", 0, 0, 0}
55};
56
57int show_cpuinfo(struct seq_file *m, void *v)
58{
59 int i;
60 int cpu = (int)v - 1;
61 unsigned long revision;
62 struct cpu_info *info;
63
64 info = &cpinfo[ARRAY_SIZE(cpinfo) - 1];
65
66#ifdef CONFIG_SMP
67 if (!cpu_online(cpu))
68 return 0;
69#endif
70
71 revision = rdvr();
72
73 for (i = 0; i < ARRAY_SIZE(cpinfo); i++) {
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
113
114void 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
125static 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
145static 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
162static struct i2c_board_info __initdata i2c_info3[] = {
163 {I2C_BOARD_INFO("adc101", 0x54)},
164};
165
166static int __init etrax_init(void)
167{
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;
172}
173arch_initcall(etrax_init);
174
