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#include <xen/xen.h>
11
12static __init int eisa_bus_probe(void)
13{
14 void __iomem *p;
15
16 if (xen_pv_domain() && !xen_initial_domain())
17 return 0;
18
19 p = ioremap(0x0FFFD9, 4);
20 if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24))
21 EISA_bus = 1;
22 iounmap(p);
23 return 0;
24}
25subsys_initcall(eisa_bus_probe);
26