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Blackfin arch: Add ANOMALY_05000311 Workaround - for those who doesnt…
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… use the generic GPIO driver

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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Michael Hennerich authored and Bryan Wu committed Sep 12, 2007
1 parent eabb5a5 commit 4b3f058
Showing 1 changed file with 44 additions and 8 deletions.
52 changes: 44 additions & 8 deletions include/asm-blackfin/mach-bf533/cdefBF532.h
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Original file line number Diff line number Diff line change
Expand Up @@ -130,10 +130,6 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
/* General Purpose IO (0xFFC0 2400-0xFFC0 27FF) */
#define bfin_read_FIO_DIR() bfin_read16(FIO_DIR)
#define bfin_write_FIO_DIR(val) bfin_write16(FIO_DIR,val)
#define bfin_read_FIO_FLAG_C() bfin_read16(FIO_FLAG_C)
#define bfin_write_FIO_FLAG_C(val) bfin_write16(FIO_FLAG_C,val)
#define bfin_read_FIO_FLAG_S() bfin_read16(FIO_FLAG_S)
#define bfin_write_FIO_FLAG_S(val) bfin_write16(FIO_FLAG_S,val)
#define bfin_read_FIO_MASKA_C() bfin_read16(FIO_MASKA_C)
#define bfin_write_FIO_MASKA_C(val) bfin_write16(FIO_MASKA_C,val)
#define bfin_read_FIO_MASKA_S() bfin_read16(FIO_MASKA_S)
Expand All @@ -150,10 +146,6 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_write_FIO_BOTH(val) bfin_write16(FIO_BOTH,val)
#define bfin_read_FIO_INEN() bfin_read16(FIO_INEN)
#define bfin_write_FIO_INEN(val) bfin_write16(FIO_INEN,val)
#define bfin_read_FIO_FLAG_D() bfin_read16(FIO_FLAG_D)
#define bfin_write_FIO_FLAG_D(val) bfin_write16(FIO_FLAG_D,val)
#define bfin_read_FIO_FLAG_T() bfin_read16(FIO_FLAG_T)
#define bfin_write_FIO_FLAG_T(val) bfin_write16(FIO_FLAG_T,val)
#define bfin_read_FIO_MASKA_D() bfin_read16(FIO_MASKA_D)
#define bfin_write_FIO_MASKA_D(val) bfin_write16(FIO_MASKA_D,val)
#define bfin_read_FIO_MASKA_T() bfin_read16(FIO_MASKA_T)
Expand All @@ -163,6 +155,50 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_read_FIO_MASKB_T() bfin_read16(FIO_MASKB_T)
#define bfin_write_FIO_MASKB_T(val) bfin_write16(FIO_MASKB_T,val)


#if ANOMALY_05000311
#define BFIN_WRITE_FIO_FLAG(name) \
static __inline__ void bfin_write_FIO_FLAG_ ## name (unsigned short val)\
{\
unsigned long flags;\
local_irq_save(flags);\
bfin_write16(FIO_FLAG_ ## name,val);\
bfin_read_CHIPID();\
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__ unsigned short bfin_read_FIO_FLAG_ ## name (void)\
{\
unsigned long flags;\
unsigned short ret;\
local_irq_save(flags);\
ret = bfin_read16(FIO_FLAG_ ## name);\
bfin_read_CHIPID();\
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


/* DMA Controller */
#define bfin_read_DMA0_CONFIG() bfin_read16(DMA0_CONFIG)
#define bfin_write_DMA0_CONFIG(val) bfin_write16(DMA0_CONFIG,val)
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