1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * arch/sh/boards/dreamcast/setup.c
4 *
5 * Hardware support for the Sega Dreamcast.
6 *
7 * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@linuxdc.org>
8 * Copyright (c) 2002, 2003, 2004 Paul Mundt <lethal@linux-sh.org>
9 *
10 * This file is part of the LinuxDC project (www.linuxdc.org)
11 *
12 * This file originally bore the message (with enclosed-$):
13 * Id: setup_dc.c,v 1.5 2001/05/24 05:09:16 mrbrown Exp
14 * SEGA Dreamcast support
15 */
16
17 #include <linux/sched.h>
18 #include <linux/kernel.h>
19 #include <linux/param.h>
20 #include <linux/interrupt.h>
21 #include <linux/init.h>
22 #include <linux/irq.h>
23 #include <linux/device.h>
24 #include <asm/io.h>
25 #include <asm/irq.h>
26 #include <asm/rtc.h>
27 #include <asm/machvec.h>
28 #include <cpu/addrspace.h>
29 #include <mach/sysasic.h>
30
31 static void __init dreamcast_setup(char **cmdline_p)
32 {
33 /* GAPS PCI bridge assumes P2 area relative addresses. */
34 __set_io_port_base(P2SEG);
35 }
36
37 static struct sh_machine_vector mv_dreamcast __initmv = {
38 .mv_name = "Sega Dreamcast",
39 .mv_setup = dreamcast_setup,
40 .mv_irq_demux = systemasic_irq_demux,
41 .mv_init_irq = systemasic_irq_init,
42 };
43
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