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