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Linux kernel mirror (for testing)
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linux
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 */
17static inline void SSYNC(void)
18{
19 int _tmp;
20 if (ANOMALY_05000312 || ANOMALY_05000244)
21 __asm__ __volatile__(
22 "cli %0;"
23 "nop;"
24 "nop;"
25 "nop;"
26 "ssync;"
27 "sti %0;"
28 : "=d" (_tmp)
29 );
30 else
31 __asm__ __volatile__("ssync;");
32}
33
34/* CSYNC implementation for C file */
35static inline void CSYNC(void)
36{
37 int _tmp;
38 if (ANOMALY_05000312 || ANOMALY_05000244)
39 __asm__ __volatile__(
40 "cli %0;"
41 "nop;"
42 "nop;"
43 "nop;"
44 "csync;"
45 "sti %0;"
46 : "=d" (_tmp)
47 );
48 else
49 __asm__ __volatile__("csync;");
50}
51
52#else /* __ASSEMBLY__ */
53
54#define LO(con32) ((con32) & 0xFFFF)
55#define lo(con32) ((con32) & 0xFFFF)
56#define HI(con32) (((con32) >> 16) & 0xFFFF)
57#define hi(con32) (((con32) >> 16) & 0xFFFF)
58
59/* SSYNC & CSYNC implementations for assembly files */
60
61#define ssync(x) SSYNC(x)
62#define csync(x) CSYNC(x)
63
64#if ANOMALY_05000312 || ANOMALY_05000244
65#define SSYNC(scratch) \
66 cli scratch; \
67 nop; nop; nop; \
68 SSYNC; \
69 sti scratch;
70
71#define CSYNC(scratch) \
72 cli scratch; \
73 nop; nop; nop; \
74 CSYNC; \
75 sti scratch;
76
77#else
78#define SSYNC(scratch) SSYNC;
79#define CSYNC(scratch) CSYNC;
80#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
81
82#endif /* __ASSEMBLY__ */
83
84#include <asm/mem_map.h>
85#include <mach/blackfin.h>
86#include <asm/bfin-global.h>
87
88#endif /* _BLACKFIN_H_ */