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
57extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
58
59void __ipipe_stall_root(void);
60
61unsigned long __ipipe_test_and_stall_root(void);
62
63unsigned long __ipipe_test_root(void);
64
65void __ipipe_lock_root(void);
66
67void __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