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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/sh/include/mach-dreamcast/mach/sysasic.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'arch/sh/include/mach-dreamcast/mach/sysasic.h')
| -rw-r--r-- | arch/sh/include/mach-dreamcast/mach/sysasic.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sh/include/mach-dreamcast/mach/sysasic.h b/arch/sh/include/mach-dreamcast/mach/sysasic.h new file mode 100644 index 00000000..58f710e1 --- /dev/null +++ b/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 */ + |