diff options
Diffstat (limited to 'arch/mips/include/asm/dec/ioasic.h')
-rw-r--r-- | arch/mips/include/asm/dec/ioasic.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dec/ioasic.h b/arch/mips/include/asm/dec/ioasic.h new file mode 100644 index 0000000000..6d912f0958 --- /dev/null +++ b/arch/mips/include/asm/dec/ioasic.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * include/asm-mips/dec/ioasic.h + * + * DEC I/O ASIC access operations. + * + * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki + */ + +#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); + +extern int dec_ioasic_clocksource_init(void); + +#endif /* __ASM_DEC_IOASIC_H */ |