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