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authorMichael Hennerich <michael.hennerich@analog.com>2007-09-12 08:50:28 +0200
committerBryan Wu <bryan.wu@analog.com>2007-09-12 08:50:28 +0200
commit4b3f058a7a34a10d99937e86bb28da118710ca9a (patch)
treed88611659c502f5deeea07f198e722cd7318447a /include/asm-blackfin
parentBlackfin arch: Remove legacy support (diff)
downloadlinux-4b3f058a7a34a10d99937e86bb28da118710ca9a.tar.xz
linux-4b3f058a7a34a10d99937e86bb28da118710ca9a.zip
Blackfin arch: Add ANOMALY_05000311 Workaround - for those who doesnt use the generic GPIO driver
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'include/asm-blackfin')
-rw-r--r--include/asm-blackfin/mach-bf533/cdefBF532.h52
1 files changed, 44 insertions, 8 deletions
diff --git a/include/asm-blackfin/mach-bf533/cdefBF532.h b/include/asm-blackfin/mach-bf533/cdefBF532.h
index 40c1ad39dcab..c803e14b529c 100644
--- a/include/asm-blackfin/mach-bf533/cdefBF532.h
+++ b/include/asm-blackfin/mach-bf533/cdefBF532.h
@@ -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)
@@ -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)
@@ -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)