/* * EISA specific code * * This file is licensed under the GPL V2 */ #include <linux/ioport.h> #include <linux/eisa.h> #include <linux/io.h> #include <xen/xen.h> static __init int eisa_bus_probe(void) { void __iomem *p; if (xen_pv_domain() && !xen_initial_domain()) return 0; p = ioremap(0x0FFFD9, 4); if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24)) EISA_bus = 1; iounmap(p); return 0; } subsys_initcall(eisa_bus_probe);