xref: /openbmc/linux/arch/x86/kernel/eisa.c (revision ba61bb17)
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);
20