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Diffstat (limited to 'arch/blackfin/include/asm/def_LPBlackfin.h')
-rw-r--r--arch/blackfin/include/asm/def_LPBlackfin.h58
1 files changed, 14 insertions, 44 deletions
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h
index 25906468622f..f342ff0319df 100644
--- a/arch/blackfin/include/asm/def_LPBlackfin.h
+++ b/arch/blackfin/include/asm/def_LPBlackfin.h
@@ -12,6 +12,8 @@
12#include <mach/anomaly.h> 12#include <mach/anomaly.h>
13 13
14#define MK_BMSK_(x) (1<<x) 14#define MK_BMSK_(x) (1<<x)
15#define BFIN_DEPOSIT(mask, x) (((x) << __ffs(mask)) & (mask))
16#define BFIN_EXTRACT(mask, x) (((x) & (mask)) >> __ffs(mask))
15 17
16#ifndef __ASSEMBLY__ 18#ifndef __ASSEMBLY__
17 19
@@ -23,62 +25,30 @@
23# define NOP_PAD_ANOMALY_05000198 25# define NOP_PAD_ANOMALY_05000198
24#endif 26#endif
25 27
26#define bfin_read8(addr) ({ \ 28#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \
27 uint32_t __v; \ 29 u32 __v; \
28 __asm__ __volatile__( \ 30 __asm__ __volatile__( \
29 NOP_PAD_ANOMALY_05000198 \ 31 NOP_PAD_ANOMALY_05000198 \
30 "%0 = b[%1] (z);" \ 32 "%0 = " #asm_size "[%1]" #asm_ext ";" \
31 : "=d" (__v) \ 33 : "=d" (__v) \
32 : "a" (addr) \ 34 : "a" (addr) \
33 ); \ 35 ); \
34 __v; }) 36 __v; })
35 37#define _bfin_writeX(addr, val, size, asm_size) \
36#define bfin_read16(addr) ({ \
37 uint32_t __v; \
38 __asm__ __volatile__( \
39 NOP_PAD_ANOMALY_05000198 \
40 "%0 = w[%1] (z);" \
41 : "=d" (__v) \
42 : "a" (addr) \
43 ); \
44 __v; })
45
46#define bfin_read32(addr) ({ \
47 uint32_t __v; \
48 __asm__ __volatile__( \
49 NOP_PAD_ANOMALY_05000198 \
50 "%0 = [%1];" \
51 : "=d" (__v) \
52 : "a" (addr) \
53 ); \
54 __v; })
55
56#define bfin_write8(addr, val) \
57 __asm__ __volatile__( \ 38 __asm__ __volatile__( \
58 NOP_PAD_ANOMALY_05000198 \ 39 NOP_PAD_ANOMALY_05000198 \
59 "b[%0] = %1;" \ 40 #asm_size "[%0] = %1;" \
60 : \ 41 : \
61 : "a" (addr), "d" ((uint8_t)(val)) \ 42 : "a" (addr), "d" ((u##size)(val)) \
62 : "memory" \ 43 : "memory" \
63 ) 44 )
64 45
65#define bfin_write16(addr, val) \ 46#define bfin_read8(addr) _bfin_readX(addr, 8, b, (z))
66 __asm__ __volatile__( \ 47#define bfin_read16(addr) _bfin_readX(addr, 16, w, (z))
67 NOP_PAD_ANOMALY_05000198 \ 48#define bfin_read32(addr) _bfin_readX(addr, 32, , )
68 "w[%0] = %1;" \ 49#define bfin_write8(addr, val) _bfin_writeX(addr, val, 8, b)
69 : \ 50#define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w)
70 : "a" (addr), "d" ((uint16_t)(val)) \ 51#define bfin_write32(addr, val) _bfin_writeX(addr, val, 32, )
71 : "memory" \
72 )
73
74#define bfin_write32(addr, val) \
75 __asm__ __volatile__( \
76 NOP_PAD_ANOMALY_05000198 \
77 "[%0] = %1;" \
78 : \
79 : "a" (addr), "d" (val) \
80 : "memory" \
81 )
82 52
83#endif /* __ASSEMBLY__ */ 53#endif /* __ASSEMBLY__ */
84 54