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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Display CPU info in /proc/cpuinfo.
   4  *
   5  * Copyright (C) 2003, Axis Communications AB.
   6  */
   7
   8 #include <linux/seq_file.h>
   9 #include <linux/proc_fs.h>
  10 #include <linux/delay.h>
  11 #include <linux/param.h>
  12
  13 #include <linux/i2c.h>
  14 #include <linux/platform_device.h>
  15
  16 #ifdef CONFIG_PROC_FS
  17
  18 #define HAS_FPU         0x0001
  19 #define HAS_MMU         0x0002
  20 #define HAS_ETHERNET100 0x0004
  21 #define HAS_TOKENRING   0x0008
  22 #define HAS_SCSI        0x0010
  23 #define HAS_ATA         0x0020
  24 #define HAS_USB         0x0040
  25 #define HAS_IRQ_BUG     0x0080
  26 #define HAS_MMU_BUG     0x0100
  27
  28 struct cpu_info {
  29         char *cpu_model;
  30         unsigned short rev;
  31         unsigned short cache_size;
  32         unsigned short flags;
  33 };
  34
  35 /* Some of these model are here for historical reasons only. */
  36 static struct cpu_info cpinfo[] = {
  37         {"ETRAX 1", 0, 0, 0},
  38         {"ETRAX 2", 1, 0, 0},
  39         {"ETRAX 3", 2, 0, 0},
  40         {"ETRAX 4", 3, 0, 0},
  41         {"Simulator", 7, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
  42         {"ETRAX 100", 8, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG},
  43         {"ETRAX 100", 9, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
  44
  45         {"ETRAX 100LX", 10, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
  46                              | HAS_MMU | HAS_MMU_BUG},
  47
  48         {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
  49                                 | HAS_MMU},
  50 #ifdef CONFIG_ETRAXFS
  51         {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
  52 #else
  53         {"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU},
  54 #endif
  55         {"Unknown", 0, 0, 0}
  56 };
  57
  58 int show_cpuinfo(struct seq_file *m, void *v)
  59 {
  60         int i;
  61         int cpu = (int)v - 1;
  62         unsigned long revision;
  63         struct cpu_info *info;
  64
  65         info = &cpinfo[ARRAY_SIZE(cpinfo) - 1];
  66
  67         revision = rdvr();
  68
  69         for (i = 0; i < ARRAY_SIZE(cpinfo); i++) {
  70                 if (cpinfo[i].rev == revision) {
  71                         info = &cpinfo[i];
  72                         break;
  73                 }
  74         }
  75
  76         seq_printf(m,
  77                    "processor\t: %d\n"
  78                    "cpu\t\t: CRIS\n"
  79                    "cpu revision\t: %lu\n"
  80                    "cpu model\t: %s\n"
  81                    "cache size\t: %d KB\n"
  82                    "fpu\t\t: %s\n"
  83                    "mmu\t\t: %s\n"
  84                    "mmu DMA bug\t: %s\n"
  85                    "ethernet\t: %s Mbps\n"
  86                    "token ring\t: %s\n"
  87                    "scsi\t\t: %s\n"
  88                    "ata\t\t: %s\n"
  89                    "usb\t\t: %s\n"
  90                    "bogomips\t: %lu.%02lu\n\n",
  91
  92                    cpu,
  93                    revision,
  94                    info->cpu_model,
  95                    info->cache_size,
  96                    info->flags & HAS_FPU ? "yes" : "no",
  97                    info->flags & HAS_MMU ? "yes" : "no",
  98                    info->flags & HAS_MMU_BUG ? "yes" : "no",
  99                    info->flags & HAS_ETHERNET100 ? "10/100" : "10",
 100                    info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
 101                    info->flags & HAS_SCSI ? "yes" : "no",
 102                    info->flags & HAS_ATA ? "yes" : "no",
 103                    info->flags & HAS_USB ? "yes" : "no",
 104                    (loops_per_jiffy * HZ + 500) / 500000,
 105                    ((loops_per_jiffy * HZ + 500) / 5000) % 100);
 106
 107         return 0;
 108 }
 109
 110 #endif /* CONFIG_PROC_FS */
 111
 112 void show_etrax_copyright(void)
 113 {
 114 #ifdef CONFIG_ETRAXFS
 115         printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS "
 116                 "(C) 2003, 2004 Axis Communications AB\n");
 117 #else
 118         printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 "
 119                 "(C) 2003-2009 Axis Communications AB\n");
 120 #endif
 121 }
 122
 123 static struct i2c_board_info __initdata i2c_info[] = {
 124         {I2C_BOARD_INFO("camblock", 0x43)},
 125         {I2C_BOARD_INFO("tmp100", 0x48)},
 126         {I2C_BOARD_INFO("tmp100", 0x4A)},
 127         {I2C_BOARD_INFO("tmp100", 0x4C)},
 128         {I2C_BOARD_INFO("tmp100", 0x4D)},
 129         {I2C_BOARD_INFO("tmp100", 0x4E)},
 130 #ifdef CONFIG_RTC_DRV_PCF8563
 131         {I2C_BOARD_INFO("pcf8563", 0x51)},
 132 #endif
 133         {I2C_BOARD_INFO("pca9536", 0x41)},
 134         {I2C_BOARD_INFO("fnp300", 0x40)},
 135         {I2C_BOARD_INFO("fnp300", 0x42)},
 136         {I2C_BOARD_INFO("adc101", 0x54)},
 137 };
 138
 139 static struct i2c_board_info __initdata i2c_info2[] = {
 140         {I2C_BOARD_INFO("camblock", 0x43)},
 141         {I2C_BOARD_INFO("tmp100", 0x48)},
 142         {I2C_BOARD_INFO("tmp100", 0x4A)},
 143         {I2C_BOARD_INFO("tmp100", 0x4C)},
 144         {I2C_BOARD_INFO("tmp100", 0x4D)},
 145         {I2C_BOARD_INFO("tmp100", 0x4E)},
 146         {I2C_BOARD_INFO("pca9536", 0x41)},
 147         {I2C_BOARD_INFO("fnp300", 0x40)},
 148         {I2C_BOARD_INFO("fnp300", 0x42)},
 149         {I2C_BOARD_INFO("adc101", 0x54)},
 150 };
 151
 152 static struct i2c_board_info __initdata i2c_info3[] = {
 153         {I2C_BOARD_INFO("adc101", 0x54)},
 154 };
 155
 156 static int __init etrax_init(void)
 157 {
 158         i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
 159         i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2));
 160         i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3));
 161         return 0;
 162 }
 163 arch_initcall(etrax_init);