arch/cris/arch-v32/kernel/setup.c

   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
  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},
  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
  57 int 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 /* CONFIG_PROC_FS */
 113
 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)
 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 }
 173 arch_initcall(etrax_init);