linux/arch/cris/arch-v32/kernel/setup.c
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   1/*
   2 * Display CPU info in /proc/cpuinfo.
   3 *
   4 * Copyright (C) 2003, Axis Communications AB.
   5 */
   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/* Some of these model are here for historical reasons only. */
  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        revision = rdvr();
  67
  68        for (i = 0; i < ARRAY_SIZE(cpinfo); i++) {
  69                if (cpinfo[i].rev == revision) {
  70                        info = &cpinfo[i];
  71                        break;
  72                }
  73        }
  74
  75        seq_printf(m,
  76                   "processor\t: %d\n"
  77                   "cpu\t\t: CRIS\n"
  78                   "cpu revision\t: %lu\n"
  79                   "cpu model\t: %s\n"
  80                   "cache size\t: %d KB\n"
  81                   "fpu\t\t: %s\n"
  82                   "mmu\t\t: %s\n"
  83                   "mmu DMA bug\t: %s\n"
  84                   "ethernet\t: %s Mbps\n"
  85                   "token ring\t: %s\n"
  86                   "scsi\t\t: %s\n"
  87                   "ata\t\t: %s\n"
  88                   "usb\t\t: %s\n"
  89                   "bogomips\t: %lu.%02lu\n\n",
  90
  91                   cpu,
  92                   revision,
  93                   info->cpu_model,
  94                   info->cache_size,
  95                   info->flags & HAS_FPU ? "yes" : "no",
  96                   info->flags & HAS_MMU ? "yes" : "no",
  97                   info->flags & HAS_MMU_BUG ? "yes" : "no",
  98                   info->flags & HAS_ETHERNET100 ? "10/100" : "10",
  99                   info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
 100                   info->flags & HAS_SCSI ? "yes" : "no",
 101                   info->flags & HAS_ATA ? "yes" : "no",
 102                   info->flags & HAS_USB ? "yes" : "no",
 103                   (loops_per_jiffy * HZ + 500) / 500000,
 104                   ((loops_per_jiffy * HZ + 500) / 5000) % 100);
 105
 106        return 0;
 107}
 108
 109#endif /* CONFIG_PROC_FS */
 110
 111void show_etrax_copyright(void)
 112{
 113#ifdef CONFIG_ETRAXFS
 114        printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS "
 115                "(C) 2003, 2004 Axis Communications AB\n");
 116#else
 117        printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 "
 118                "(C) 2003-2009 Axis Communications AB\n");
 119#endif
 120}
 121
 122static struct i2c_board_info __initdata i2c_info[] = {
 123        {I2C_BOARD_INFO("camblock", 0x43)},
 124        {I2C_BOARD_INFO("tmp100", 0x48)},
 125        {I2C_BOARD_INFO("tmp100", 0x4A)},
 126        {I2C_BOARD_INFO("tmp100", 0x4C)},
 127        {I2C_BOARD_INFO("tmp100", 0x4D)},
 128        {I2C_BOARD_INFO("tmp100", 0x4E)},
 129#ifdef CONFIG_RTC_DRV_PCF8563
 130        {I2C_BOARD_INFO("pcf8563", 0x51)},
 131#endif
 132        {I2C_BOARD_INFO("pca9536", 0x41)},
 133        {I2C_BOARD_INFO("fnp300", 0x40)},
 134        {I2C_BOARD_INFO("fnp300", 0x42)},
 135        {I2C_BOARD_INFO("adc101", 0x54)},
 136};
 137
 138static struct i2c_board_info __initdata i2c_info2[] = {
 139        {I2C_BOARD_INFO("camblock", 0x43)},
 140        {I2C_BOARD_INFO("tmp100", 0x48)},
 141        {I2C_BOARD_INFO("tmp100", 0x4A)},
 142        {I2C_BOARD_INFO("tmp100", 0x4C)},
 143        {I2C_BOARD_INFO("tmp100", 0x4D)},
 144        {I2C_BOARD_INFO("tmp100", 0x4E)},
 145        {I2C_BOARD_INFO("pca9536", 0x41)},
 146        {I2C_BOARD_INFO("fnp300", 0x40)},
 147        {I2C_BOARD_INFO("fnp300", 0x42)},
 148        {I2C_BOARD_INFO("adc101", 0x54)},
 149};
 150
 151static struct i2c_board_info __initdata i2c_info3[] = {
 152        {I2C_BOARD_INFO("adc101", 0x54)},
 153};
 154
 155static int __init etrax_init(void)
 156{
 157        i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
 158        i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2));
 159        i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3));
 160        return 0;
 161}
 162arch_initcall(etrax_init);
 163