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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - arch/arm/kernel/isa.c
2 * linux/arch/arm/kernel/isa.c
4 * Copyright (C) 1999 Phil Blundell
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
11 * ISA shared memory and I/O port support, and is required to support
12 * iopl, inb, outb and friends in userspace via glibc emulation.
14 #include <linux/stddef.h>
15 #include <linux/types.h>
17 #include <linux/sysctl.h>
18 #include <linux/init.h>
21 static unsigned int isa_membase
, isa_portbase
, isa_portshift
;
23 static ctl_table ctl_isa_vars
[4] = {
25 .procname
= "membase",
27 .maxlen
= sizeof(isa_membase
),
29 .proc_handler
= proc_dointvec
,
31 .procname
= "portbase",
32 .data
= &isa_portbase
,
33 .maxlen
= sizeof(isa_portbase
),
35 .proc_handler
= proc_dointvec
,
37 .procname
= "portshift",
38 .data
= &isa_portshift
,
39 .maxlen
= sizeof(isa_portshift
),
41 .proc_handler
= proc_dointvec
,
45 static struct ctl_table_header
*isa_sysctl_header
;
47 static ctl_table ctl_isa
[2] = {
51 .child
= ctl_isa_vars
,
55 static ctl_table ctl_bus
[2] = {
64 register_isa_ports(unsigned int membase
, unsigned int portbase
, unsigned int portshift
)
66 isa_membase
= membase
;
67 isa_portbase
= portbase
;
68 isa_portshift
= portshift
;
69 isa_sysctl_header
= register_sysctl_table(ctl_bus
);