diff options
Diffstat (limited to 'arch/blackfin')
-rw-r--r-- | arch/blackfin/include/asm/bfin_twi.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin_twi.h b/arch/blackfin/include/asm/bfin_twi.h index 72092108df1c..87e6007b8f4a 100644 --- a/arch/blackfin/include/asm/bfin_twi.h +++ b/arch/blackfin/include/asm/bfin_twi.h | |||
@@ -83,8 +83,35 @@ DEFINE_TWI_REG(FIFO_CTL, fifo_ctl) | |||
83 | DEFINE_TWI_REG(FIFO_STAT, fifo_stat) | 83 | DEFINE_TWI_REG(FIFO_STAT, fifo_stat) |
84 | DEFINE_TWI_REG(XMT_DATA8, xmt_data8) | 84 | DEFINE_TWI_REG(XMT_DATA8, xmt_data8) |
85 | DEFINE_TWI_REG(XMT_DATA16, xmt_data16) | 85 | DEFINE_TWI_REG(XMT_DATA16, xmt_data16) |
86 | #if !ANOMALY_05001001 | ||
86 | DEFINE_TWI_REG(RCV_DATA8, rcv_data8) | 87 | DEFINE_TWI_REG(RCV_DATA8, rcv_data8) |
87 | DEFINE_TWI_REG(RCV_DATA16, rcv_data16) | 88 | DEFINE_TWI_REG(RCV_DATA16, rcv_data16) |
89 | #else | ||
90 | static inline u16 read_RCV_DATA8(struct bfin_twi_iface *iface) | ||
91 | { | ||
92 | u16 ret; | ||
93 | unsigned long flags; | ||
94 | |||
95 | flags = hard_local_irq_save(); | ||
96 | ret = iface->regs_base->rcv_data8; | ||
97 | hard_local_irq_restore(flags); | ||
98 | |||
99 | return ret; | ||
100 | } | ||
101 | |||
102 | static inline u16 read_RCV_DATA16(struct bfin_twi_iface *iface) | ||
103 | { | ||
104 | u16 ret; | ||
105 | unsigned long flags; | ||
106 | |||
107 | flags = hard_local_irq_save(); | ||
108 | ret = iface->regs_base->rcv_data16; | ||
109 | hard_local_irq_restore(flags); | ||
110 | |||
111 | return ret; | ||
112 | } | ||
113 | #endif | ||
114 | |||
88 | 115 | ||
89 | /* ******************** TWO-WIRE INTERFACE (TWI) MASKS ***********************/ | 116 | /* ******************** TWO-WIRE INTERFACE (TWI) MASKS ***********************/ |
90 | /* TWI_CLKDIV Macros (Use: *pTWI_CLKDIV = CLKLOW(x)|CLKHI(y); ) */ | 117 | /* TWI_CLKDIV Macros (Use: *pTWI_CLKDIV = CLKLOW(x)|CLKHI(y); ) */ |