diff options
Diffstat (limited to 'arch/sh/boards/mach-dreamcast/setup.c')
| -rw-r--r-- | arch/sh/boards/mach-dreamcast/setup.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-dreamcast/setup.c b/arch/sh/boards/mach-dreamcast/setup.c new file mode 100644 index 00000000000..7d944fc75e9 --- /dev/null +++ b/arch/sh/boards/mach-dreamcast/setup.c @@ -0,0 +1,64 @@ +/* + * 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 hw_interrupt_type systemasic_int; +extern void aica_time_init(void); +extern int gapspci_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 */ + + __set_io_port_base(0xa0000000); + + /* Assign all virtual IRQs to the System ASIC int. handler */ + for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++) + irq_desc[i].chip = &systemasic_int; + + board_time_init = aica_time_init; + +#ifdef CONFIG_PCI + if (gapspci_init() < 0) + printk(KERN_WARNING "GAPSPCI was not detected.\n"); +#endif +} + +static struct sh_machine_vector mv_dreamcast __initmv = { + .mv_name = "Sega Dreamcast", + .mv_setup = dreamcast_setup, + .mv_irq_demux = systemasic_irq_demux, +}; |