56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright 2005-2008 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later
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*/
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#ifndef _MACH_FIO_FLAG_H
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#define _MACH_FIO_FLAG_H
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#include <asm/blackfin.h>
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#include <asm/irqflags.h>
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#if ANOMALY_05000311
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#define BFIN_WRITE_FIO_FLAG(name) \
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static inline void bfin_write_FIO_FLAG_##name(unsigned short val) \
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{ \
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unsigned long flags; \
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flags = hard_local_irq_save(); \
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bfin_write16(FIO_FLAG_##name, val); \
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bfin_read_CHIPID(); \
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hard_local_irq_restore(flags); \
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}
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BFIN_WRITE_FIO_FLAG(D)
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BFIN_WRITE_FIO_FLAG(C)
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BFIN_WRITE_FIO_FLAG(S)
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BFIN_WRITE_FIO_FLAG(T)
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#define BFIN_READ_FIO_FLAG(name) \
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static inline u16 bfin_read_FIO_FLAG_##name(void) \
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{ \
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unsigned long flags; \
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u16 ret; \
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flags = hard_local_irq_save(); \
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ret = bfin_read16(FIO_FLAG_##name); \
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bfin_read_CHIPID(); \
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hard_local_irq_restore(flags); \
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return ret; \
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}
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BFIN_READ_FIO_FLAG(D)
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BFIN_READ_FIO_FLAG(C)
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BFIN_READ_FIO_FLAG(S)
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BFIN_READ_FIO_FLAG(T)
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#else
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#define bfin_write_FIO_FLAG_D(val) bfin_write16(FIO_FLAG_D, val)
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#define bfin_write_FIO_FLAG_C(val) bfin_write16(FIO_FLAG_C, val)
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#define bfin_write_FIO_FLAG_S(val) bfin_write16(FIO_FLAG_S, val)
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#define bfin_write_FIO_FLAG_T(val) bfin_write16(FIO_FLAG_T, val)
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#define bfin_read_FIO_FLAG_T() bfin_read16(FIO_FLAG_T)
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#define bfin_read_FIO_FLAG_C() bfin_read16(FIO_FLAG_C)
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#define bfin_read_FIO_FLAG_S() bfin_read16(FIO_FLAG_S)
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#define bfin_read_FIO_FLAG_D() bfin_read16(FIO_FLAG_D)
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#endif
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#endif /* _MACH_FIO_FLAG_H */
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