2 * linux/arch/arm/kernel/isa.c
4 * Copyright (C) 1999 Phil Blundell
6 * ISA shared memory and I/O port support
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
17 * Nothing about this is actually ARM specific. One day we could move
18 * it into kernel/resource.c or some place like that.
21 #include <linux/stddef.h>
22 #include <linux/types.h>
24 #include <linux/sysctl.h>
25 #include <linux/init.h>
27 static unsigned int isa_membase, isa_portbase, isa_portshift;
29 static ctl_table ctl_isa_vars[4] = {
30 {BUS_ISA_MEM_BASE, "membase", &isa_membase,
31 sizeof(isa_membase), 0444, NULL, &proc_dointvec},
32 {BUS_ISA_PORT_BASE, "portbase", &isa_portbase,
33 sizeof(isa_portbase), 0444, NULL, &proc_dointvec},
34 {BUS_ISA_PORT_SHIFT, "portshift", &isa_portshift,
35 sizeof(isa_portshift), 0444, NULL, &proc_dointvec},
39 static struct ctl_table_header *isa_sysctl_header;
41 static ctl_table ctl_isa[2] = {{CTL_BUS_ISA, "isa", NULL, 0, 0555, ctl_isa_vars},
43 static ctl_table ctl_bus[2] = {{CTL_BUS, "bus", NULL, 0, 0555, ctl_isa},
47 register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
49 isa_membase = membase;
50 isa_portbase = portbase;
51 isa_portshift = portshift;
52 isa_sysctl_header = register_sysctl_table(ctl_bus, 0);