aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/include/asm/def_LPBlackfin.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/def_LPBlackfin.h')
-rw-r--r--arch/blackfin/include/asm/def_LPBlackfin.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h
index e3f0f4c49819..7600fe0696af 100644
--- a/arch/blackfin/include/asm/def_LPBlackfin.h
+++ b/arch/blackfin/include/asm/def_LPBlackfin.h
@@ -58,14 +58,26 @@
58 ({ BUG(); 0; }); \ 58 ({ BUG(); 0; }); \
59}) 59})
60#define bfin_write(addr, val) \ 60#define bfin_write(addr, val) \
61({ \ 61do { \
62 switch (sizeof(*(addr))) { \ 62 switch (sizeof(*(addr))) { \
63 case 1: bfin_write8(addr, val); break; \ 63 case 1: bfin_write8(addr, val); break; \
64 case 2: bfin_write16(addr, val); break; \ 64 case 2: bfin_write16(addr, val); break; \
65 case 4: bfin_write32(addr, val); break; \ 65 case 4: bfin_write32(addr, val); break; \
66 default: BUG(); \ 66 default: BUG(); \
67 } \ 67 } \
68}) 68} while (0)
69
70#define bfin_write_or(addr, bits) \
71do { \
72 void *__addr = (void *)(addr); \
73 bfin_write(__addr, bfin_read(__addr) | (bits)); \
74} while (0)
75
76#define bfin_write_and(addr, bits) \
77do { \
78 void *__addr = (void *)(addr); \
79 bfin_write(__addr, bfin_read(__addr) & (bits)); \
80} while (0)
69 81
70#endif /* __ASSEMBLY__ */ 82#endif /* __ASSEMBLY__ */
71 83