arch/arm/mach-rockchip/cpu.c

   1 #include <linux/kernel.h>
   2 #include <linux/cpu.h>
   3 #include <linux/rockchip/cpu.h>
   4
   5 unsigned long rockchip_soc_id;
   6 EXPORT_SYMBOL(rockchip_soc_id);
   7
   8 static ssize_t type_show(struct device *dev, struct device_attribute *attr, char *buf)
   9 {
  10         const char *type;
  11
  12         if (cpu_is_rk3288())
  13                 type = "rk3288";
  14         else if (cpu_is_rk319x())
  15                 type = "rk319x";
  16         else if (cpu_is_rk3188())
  17                 type = "rk3188";
  18         else if (cpu_is_rk3066b())
  19                 type = "rk3066b";
  20         else if (cpu_is_rk3026())
  21                 type = "rk3026";
  22         else if (cpu_is_rk30xx())
  23                 type = "rk30xx";
  24         else if (cpu_is_rk2928())
  25                 type = "rk2928";
  26         else if (cpu_is_rk312x())
  27                 type = "rk312x";
  28         else
  29                 type = "";
  30
  31         return sprintf(buf, "%s\n", type);
  32 }
  33
  34 static struct device_attribute type_attr = __ATTR_RO(type);
  35
  36 static ssize_t soc_show(struct device *dev, struct device_attribute *attr, char *buf)
  37 {
  38         const char *soc;
  39
  40         if (soc_is_rk3288())
  41                 soc = "rk3288";
  42         else if (soc_is_rk3190())
  43                 soc = "rk3190";
  44         else if (soc_is_rk3188plus())
  45                 soc = "rk3188+";
  46         else if (soc_is_rk3188())
  47                 soc = "rk3188";
  48         else if (soc_is_rk3168())
  49                 soc = "rk3168";
  50         else if (soc_is_rk3028())
  51                 soc = "rk3028";
  52         else if (soc_is_rk3066b())
  53                 soc = "rk3066b";
  54         else if (soc_is_rk3028a())
  55                 soc = "rk3028a";
  56         else if (soc_is_rk3026())
  57                 soc = "rk3026";
  58         else if (soc_is_rk2928g())
  59                 soc = "rk2928g";
  60         else if (soc_is_rk2928l())
  61                 soc = "rk2928l";
  62         else if (soc_is_rk2926())
  63                 soc = "rk2926";
  64         else if (soc_is_rk3066())
  65                 soc = "rk3066";
  66         else if (soc_is_rk3068())
  67                 soc = "rk3068";
  68         else if (soc_is_rk3000())
  69                 soc = "rk3000";
  70         else if (soc_is_rk3126())
  71                 soc = "rk3126";
  72         else if (soc_is_rk3128())
  73                 soc = "rk3128";
  74         else
  75                 soc = "";
  76
  77         return sprintf(buf, "%s\n", soc);
  78 }
  79
  80 static struct device_attribute soc_attr = __ATTR_RO(soc);
  81
  82 static int __init rockchip_cpu_lateinit(void)
  83 {
  84         int err;
  85
  86         err = device_create_file(cpu_subsys.dev_root, &type_attr);
  87         err = device_create_file(cpu_subsys.dev_root, &soc_attr);
  88
  89         return err;
  90 }
  91 late_initcall(rockchip_cpu_lateinit);