Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
[linux-2.6.git] / arch / blackfin / include / asm / blackfin.h
1 /*
2  * Common header file for Blackfin family of processors.
3  *
4  * Copyright 2004-2009 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2 or later.
7  */
8
9 #ifndef _BLACKFIN_H_
10 #define _BLACKFIN_H_
11
12 #include <mach/anomaly.h>
13
14 #ifndef __ASSEMBLY__
15
16 /* SSYNC implementation for C file */
17 static inline void SSYNC(void)
18 {
19         int _tmp;
20         if (ANOMALY_05000312)
21                 __asm__ __volatile__(
22                         "cli %0;"
23                         "nop;"
24                         "nop;"
25                         "ssync;"
26                         "sti %0;"
27                         : "=d" (_tmp)
28                 );
29         else if (ANOMALY_05000244)
30                 __asm__ __volatile__(
31                         "nop;"
32                         "nop;"
33                         "nop;"
34                         "ssync;"
35                 );
36         else
37                 __asm__ __volatile__("ssync;");
38 }
39
40 /* CSYNC implementation for C file */
41 static inline void CSYNC(void)
42 {
43         int _tmp;
44         if (ANOMALY_05000312)
45                 __asm__ __volatile__(
46                         "cli %0;"
47                         "nop;"
48                         "nop;"
49                         "csync;"
50                         "sti %0;"
51                         : "=d" (_tmp)
52                 );
53         else if (ANOMALY_05000244)
54                 __asm__ __volatile__(
55                         "nop;"
56                         "nop;"
57                         "nop;"
58                         "csync;"
59                 );
60         else
61                 __asm__ __volatile__("csync;");
62 }
63
64 #else  /* __ASSEMBLY__ */
65
66 #define LO(con32) ((con32) & 0xFFFF)
67 #define lo(con32) ((con32) & 0xFFFF)
68 #define HI(con32) (((con32) >> 16) & 0xFFFF)
69 #define hi(con32) (((con32) >> 16) & 0xFFFF)
70
71 /* SSYNC & CSYNC implementations for assembly files */
72
73 #define ssync(x) SSYNC(x)
74 #define csync(x) CSYNC(x)
75
76 #if ANOMALY_05000312
77 #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
78 #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
79
80 #elif ANOMALY_05000244
81 #define SSYNC(scratch) nop; nop; nop; SSYNC;
82 #define CSYNC(scratch) nop; nop; nop; CSYNC;
83
84 #else
85 #define SSYNC(scratch) SSYNC;
86 #define CSYNC(scratch) CSYNC;
87
88 #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
89
90 #endif /* __ASSEMBLY__ */
91
92 #include <asm/mem_map.h>
93 #include <mach/blackfin.h>
94 #include <asm/bfin-global.h>
95
96 #endif                          /* _BLACKFIN_H_ */