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Diffstat (limited to 'include/asm-mips/dec/ioasic.h')
| -rw-r--r-- | include/asm-mips/dec/ioasic.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-mips/dec/ioasic.h b/include/asm-mips/dec/ioasic.h new file mode 100644 index 000000000000..486a5b0a1302 --- /dev/null +++ b/include/asm-mips/dec/ioasic.h @@ -0,0 +1,36 @@ +/* + * include/asm-mips/dec/ioasic.h + * + * DEC I/O ASIC access operations. + * + * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef __ASM_DEC_IOASIC_H +#define __ASM_DEC_IOASIC_H + +#include <linux/spinlock.h> +#include <linux/types.h> + +extern spinlock_t ioasic_ssr_lock; + +extern volatile u32 *ioasic_base; + +static inline void ioasic_write(unsigned int reg, u32 v) +{ + ioasic_base[reg / 4] = v; +} + +static inline u32 ioasic_read(unsigned int reg) +{ + return ioasic_base[reg / 4]; +} + +extern void init_ioasic_irqs(int base); + +#endif /* __ASM_DEC_IOASIC_H */ |