[linux-2.6-block.git] / arch / sh / boards / mach-dreamcast / setup.c

/*
 * arch/sh/boards/dreamcast/setup.c
 *
 * Hardware support for the Sega Dreamcast.
 *
 * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@linuxdc.org>
 * Copyright (c) 2002, 2003, 2004 Paul Mundt <lethal@linux-sh.org>
 *
 * This file is part of the LinuxDC project (www.linuxdc.org)
 *
 * Released under the terms of the GNU GPL v2.0.
 *
 * This file originally bore the message (with enclosed-$):
 *	Id: setup_dc.c,v 1.5 2001/05/24 05:09:16 mrbrown Exp
 *	SEGA Dreamcast support
 */

#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/device.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/rtc.h>
#include <asm/machvec.h>
#include <mach/sysasic.h>

extern struct irq_chip systemasic_int;
extern void aica_time_init(void);
extern int systemasic_irq_demux(int);

static void __init dreamcast_setup(char **cmdline_p)
{
	int i;

	/* Mask all hardware events */
	/* XXX */

	/* Acknowledge any previous events */
	/* XXX */

	/* Assign all virtual IRQs to the System ASIC int. handler */
	for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++)
		set_irq_chip_and_handler(i, &systemasic_int,
					 handle_level_irq);

	board_time_init = aica_time_init;
}

static struct sh_machine_vector mv_dreamcast __initmv = {
	.mv_name		= "Sega Dreamcast",
	.mv_setup		= dreamcast_setup,
	.mv_irq_demux		= systemasic_irq_demux,
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* arch/sh/boards/dreamcast/setup.c
	3	*
	4	* Hardware support for the Sega Dreamcast.
	5	*
	6	* Copyright (c) 2001, 2002 M. R. Brown <mrbrown@linuxdc.org>
	7	* Copyright (c) 2002, 2003, 2004 Paul Mundt <lethal@linux-sh.org>
	8	*
	9	* This file is part of the LinuxDC project (www.linuxdc.org)
	10	*
	11	* Released under the terms of the GNU GPL v2.0.
	12	*
	13	* This file originally bore the message (with enclosed-$):
	14	* Id: setup_dc.c,v 1.5 2001/05/24 05:09:16 mrbrown Exp
	15	* SEGA Dreamcast support
	16	*/
	17
	18	#include <linux/sched.h>
	19	#include <linux/kernel.h>
	20	#include <linux/param.h>
	21	#include <linux/interrupt.h>
	22	#include <linux/init.h>
	23	#include <linux/irq.h>
	24	#include <linux/device.h>
1da177e4 LT	25	#include <asm/io.h>
1da177e4 LT	26	#include <asm/irq.h>
e4c2cfee	27	#include <asm/rtc.h>
cc64f7f7	28	#include <asm/machvec.h>
f15cbe6f	29	#include <mach/sysasic.h>
1da177e4	30
e85a4774	31	extern struct irq_chip systemasic_int;
1da177e4	32	extern void aica_time_init(void);
1da177e4 LT	33	extern int systemasic_irq_demux(int);
1da177e4 LT	34
2c7834a6	35	static void __init dreamcast_setup(char **cmdline_p)
1da177e4 LT	36	{
	37	int i;
	38
	39	/* Mask all hardware events */
	40	/* XXX */
	41
	42	/* Acknowledge any previous events */
	43	/* XXX */
	44
1da177e4 LT	45	/* Assign all virtual IRQs to the System ASIC int. handler */
1da177e4 LT	46	for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++)
e85a4774 MF	47	set_irq_chip_and_handler(i, &systemasic_int,
e85a4774 MF	48	handle_level_irq);
1da177e4 LT	49
1da177e4 LT	50	board_time_init = aica_time_init;
1da177e4	51	}
2c7834a6	52
82f81f47	53	static struct sh_machine_vector mv_dreamcast __initmv = {
2c7834a6 PM	54	.mv_name = "Sega Dreamcast",
	55	.mv_setup = dreamcast_setup,
	56	.mv_irq_demux = systemasic_irq_demux,
2c7834a6	57	};