1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/arch/sh/include/mach-dreamcast/mach/sysasic.h b/kernel/arch/sh/include/mach-dreamcast/mach/sysasic.h
new file mode 100644
index 000000000..58f710e1e
--- /dev/null
+++ b/kernel/arch/sh/include/mach-dreamcast/mach/sysasic.h
@@ -0,0 +1,48 @@
+/* include/asm-sh/dreamcast/sysasic.h
+ *
+ * Definitions for the Dreamcast System ASIC and related peripherals.
+ *
+ * Copyright (c) 2001 M. R. Brown <mrbrown@linuxdc.org>
+ * Copyright (C) 2003 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.
+ *
+ */
+#ifndef __ASM_SH_DREAMCAST_SYSASIC_H
+#define __ASM_SH_DREAMCAST_SYSASIC_H
+
+#include <asm/irq.h>
+
+/* Hardware events -
+
+   Each of these events correspond to a bit within the Event Mask Registers/
+   Event Status Registers.  Because of the virtual IRQ numbering scheme, a
+   base offset must be used when calculating the virtual IRQ that each event
+   takes.
+*/
+
+#define HW_EVENT_IRQ_BASE  48
+
+/* IRQ 13 */
+#define HW_EVENT_VSYNC     (HW_EVENT_IRQ_BASE +  5) /* VSync */
+#define HW_EVENT_MAPLE_DMA (HW_EVENT_IRQ_BASE + 12) /* Maple DMA complete */
+#define HW_EVENT_GDROM_DMA (HW_EVENT_IRQ_BASE + 14) /* GD-ROM DMA complete */
+#define HW_EVENT_G2_DMA    (HW_EVENT_IRQ_BASE + 15) /* G2 DMA complete */
+#define HW_EVENT_PVR2_DMA  (HW_EVENT_IRQ_BASE + 19) /* PVR2 DMA complete */
+
+/* IRQ 11 */
+#define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE + 32) /* GD-ROM cmd. complete */
+#define HW_EVENT_AICA_SYS  (HW_EVENT_IRQ_BASE + 33) /* AICA-related */
+#define HW_EVENT_EXTERNAL  (HW_EVENT_IRQ_BASE + 35) /* Ext. (expansion) */
+
+#define HW_EVENT_IRQ_MAX (HW_EVENT_IRQ_BASE + 95)
+
+/* arch/sh/boards/mach-dreamcast/irq.c */
+extern int systemasic_irq_demux(int);
+extern void systemasic_irq_init(void);
+extern void aica_time_init(void);
+
+#endif /* __ASM_SH_DREAMCAST_SYSASIC_H */
+