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Subject[PATCH 04/20] Blackfin arch: fix bug ad1836 fails to build properly for BF533-EZKIT
Date
From: Roy Huang <roy.huang@analog.com>

bug log here: http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3166

Signed-off-by: Roy Huang <roy.huang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
include/asm-blackfin/mach-common/def_LPBlackfin.h | 22 +++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/include/asm-blackfin/mach-common/def_LPBlackfin.h b/include/asm-blackfin/mach-common/def_LPBlackfin.h
index 7610352..fcda2c1 100644
--- a/include/asm-blackfin/mach-common/def_LPBlackfin.h
+++ b/include/asm-blackfin/mach-common/def_LPBlackfin.h
@@ -42,6 +42,12 @@

#if defined(ANOMALY_05000198)

+#define bfin_read8(addr) ({ unsigned char __v; \
+ __asm__ __volatile__ ("NOP;\n\t" \
+ "%0 = b[%1] (z);\n\t" \
+ : "=d"(__v) : "a"(addr)); \
+ __v; })
+
#define bfin_read16(addr) ({ unsigned __v; \
__asm__ __volatile__ ("NOP;\n\t"\
"%0 = w[%1] (z);\n\t"\
@@ -52,6 +58,11 @@
"%0 = [%1];\n\t"\
: "=d"(__v) : "a"(addr)); __v; })

+#define bfin_write8(addr,val) ({ \
+ __asm__ __volatile__ ("NOP;\n\t" \
+ "b[%0] = %1;\n\t" \
+ : : "a"(addr), "d"(val) : "memory");})
+
#define bfin_write16(addr,val) ({\
__asm__ __volatile__ ("NOP;\n\t"\
"w[%0] = %1;\n\t"\
@@ -64,6 +75,12 @@

#else

+#define bfin_read8(addr) ({ unsigned char __v; \
+ __asm__ __volatile__ ( \
+ "%0 = b[%1] (z);\n\t" \
+ :"=d"(__v) : "a"(addr)); \
+ __v; })
+
#define bfin_read16(addr) ({ unsigned __v; \
__asm__ __volatile__ (\
"%0 = w[%1] (z);\n\t"\
@@ -74,6 +91,11 @@
"%0 = [%1];\n\t"\
: "=d"(__v) : "a"(addr)); __v; })

+#define bfin_write8(addr, val) ({ \
+ __asm__ __volatile__ ( \
+ "b[%0] = %1; \n\t" \
+ ::"a"(addr), "d"(val) : "memory");})
+
#define bfin_write16(addr,val) ({\
__asm__ __volatile__ (\
"w[%0] = %1;\n\t"\
--
1.5.2
-
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