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1 /*   -*- linux-c -*-
2  *   include/asm-blackfin/ipipe_base.h
3  *
4  *   Copyright (C) 2007 Philippe Gerum.
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
9  *   USA; either version 2 of the License, or (at your option) any later
10  *   version.
11  *
12  *   This program is distributed in the hope that it will be useful,
13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *   GNU General Public License for more details.
16  *
17  *   You should have received a copy of the GNU General Public License
18  *   along with this program; if not, write to the Free Software
19  *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21 
22 #ifndef __ASM_BLACKFIN_IPIPE_BASE_H
23 #define __ASM_BLACKFIN_IPIPE_BASE_H
24 
25 #ifdef CONFIG_IPIPE
26 
27 #include <asm/bitsperlong.h>
28 #include <mach/irq.h>
29 
30 #define IPIPE_NR_XIRQS		NR_IRQS
31 
32 /* Blackfin-specific, per-cpu pipeline status */
33 #define IPIPE_SYNCDEFER_FLAG	15
34 #define IPIPE_SYNCDEFER_MASK	(1L << IPIPE_SYNCDEFER_MASK)
35 
36  /* Blackfin traps -- i.e. exception vector numbers */
37 #define IPIPE_NR_FAULTS		52 /* We leave a gap after VEC_ILL_RES. */
38 /* Pseudo-vectors used for kernel events */
39 #define IPIPE_FIRST_EVENT	IPIPE_NR_FAULTS
40 #define IPIPE_EVENT_SYSCALL	(IPIPE_FIRST_EVENT)
41 #define IPIPE_EVENT_SCHEDULE	(IPIPE_FIRST_EVENT + 1)
42 #define IPIPE_EVENT_SIGWAKE	(IPIPE_FIRST_EVENT + 2)
43 #define IPIPE_EVENT_SETSCHED	(IPIPE_FIRST_EVENT + 3)
44 #define IPIPE_EVENT_INIT	(IPIPE_FIRST_EVENT + 4)
45 #define IPIPE_EVENT_EXIT	(IPIPE_FIRST_EVENT + 5)
46 #define IPIPE_EVENT_CLEANUP	(IPIPE_FIRST_EVENT + 6)
47 #define IPIPE_EVENT_RETURN	(IPIPE_FIRST_EVENT + 7)
48 #define IPIPE_LAST_EVENT	IPIPE_EVENT_RETURN
49 #define IPIPE_NR_EVENTS		(IPIPE_LAST_EVENT + 1)
50 
51 #define IPIPE_TIMER_IRQ		IRQ_CORETMR
52 
53 #define __IPIPE_FEATURE_SYSINFO_V2	1
54 
55 #ifndef __ASSEMBLY__
56 
57 extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
58 
59 void __ipipe_stall_root(void);
60 
61 unsigned long __ipipe_test_and_stall_root(void);
62 
63 unsigned long __ipipe_test_root(void);
64 
65 void __ipipe_lock_root(void);
66 
67 void __ipipe_unlock_root(void);
68 
69 #endif /* !__ASSEMBLY__ */
70 
71 #define __IPIPE_FEATURE_SYSINFO_V2	1
72 
73 #endif /* CONFIG_IPIPE */
74 
75 #endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */
76