sys/arch/shark/ofw/cpu_ofbus.c

   1 /*      $NetBSD: cpu_ofbus.c,v 1.6 2005/12/11 12:19:04 christos Exp $   */
   2
   3 #include <sys/cdefs.h>
   4 __KERNEL_RCSID(0, "$NetBSD: cpu_ofbus.c,v 1.6 2005/12/11 12:19:04 christos Exp $");
   5
   6 #include <sys/param.h>
   7 #include <sys/systm.h>
   8 #include <sys/device.h>
   9
  10 #include <machine/cpu.h>
  11
  12 #include <dev/ofw/openfirm.h>
  13
  14 /*
  15  * int cpu_ofbus_match(struct device *parent, struct cfdata *cf, void *aux)
  16  *
  17  * Probe for the main cpu. Currently all this does is return 1 to
  18  * indicate that the cpu was found.
  19  */
  20
  21 static int
  22 cpu_ofbus_match(struct device *parent, struct cfdata *cf, void *aux)
  23 {
  24         struct ofbus_attach_args *aa = aux;
  25         char buf[32];
  26
  27         if (OF_getprop(aa->oba_phandle, "device_type", buf, sizeof(buf)) < 0)
  28                 return (0);
  29         if (strcmp("cpu", buf))
  30                 return (0);
  31         return(1);
  32 }
  33
  34 /*
  35  * void cpu_ofbus_attach(struct device *parent, struct device *dev, void *aux)
  36  *
  37  * Attach the main cpu
  38  */
  39
  40 static void
  41 cpu_ofbus_attach(struct device *parent, struct device *self, void *aux)
  42 {
  43         cpu_attach(self);
  44 }
  45
  46 CFATTACH_DECL(cpu_ofbus, sizeof(struct device),
  47     cpu_ofbus_match, cpu_ofbus_attach, NULL, NULL);