arch/x86/kernel/eisa.c

   1 /*
   2  * EISA specific code
   3  *
   4  * This file is licensed under the GPL V2
   5  */
   6 #include <linux/ioport.h>
   7 #include <linux/eisa.h>
   8 #include <linux/io.h>
   9
  10 static __init int eisa_bus_probe(void)
  11 {
  12         void __iomem *p = ioremap(0x0FFFD9, 4);
  13
  14         if (readl(p) == 'E' + ('I'<<8) + ('S'<<16) + ('A'<<24))
  15                 EISA_bus = 1;
  16         iounmap(p);
  17         return 0;
  18 }
  19 subsys_initcall(eisa_bus_probe);