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,
+};