Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * EISA specific code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/eisa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <xen/xen.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static __init int eisa_bus_probe(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	void __iomem *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	if (xen_pv_domain() && !xen_initial_domain())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	p = ioremap(0x0FFFD9, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		EISA_bus = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	iounmap(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) subsys_initcall(eisa_bus_probe);