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#define IPIPE_NR_XIRQS NR_IRQS 28#define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */ 29 30/* Blackfin-specific, per-cpu pipeline status */ 31#define IPIPE_SYNCDEFER_FLAG 15 32#define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK) 33 34 /* Blackfin traps -- i.e. exception vector numbers */ 35#define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */ 36/* Pseudo-vectors used for kernel events */ 37#define IPIPE_FIRST_EVENT IPIPE_NR_FAULTS 38#define IPIPE_EVENT_SYSCALL (IPIPE_FIRST_EVENT) 39#define IPIPE_EVENT_SCHEDULE (IPIPE_FIRST_EVENT + 1) 40#define IPIPE_EVENT_SIGWAKE (IPIPE_FIRST_EVENT + 2) 41#define IPIPE_EVENT_SETSCHED (IPIPE_FIRST_EVENT + 3) 42#define IPIPE_EVENT_INIT (IPIPE_FIRST_EVENT + 4) 43#define IPIPE_EVENT_EXIT (IPIPE_FIRST_EVENT + 5) 44#define IPIPE_EVENT_CLEANUP (IPIPE_FIRST_EVENT + 6) 45#define IPIPE_LAST_EVENT IPIPE_EVENT_CLEANUP 46#define IPIPE_NR_EVENTS (IPIPE_LAST_EVENT + 1) 47 48#define IPIPE_TIMER_IRQ IRQ_CORETMR 49 50#ifndef __ASSEMBLY__ 51 52extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */ 53 54void __ipipe_stall_root(void); 55 56unsigned long __ipipe_test_and_stall_root(void); 57 58unsigned long __ipipe_test_root(void); 59 60void __ipipe_lock_root(void); 61 62void __ipipe_unlock_root(void); 63 64#endif /* !__ASSEMBLY__ */ 65 66#endif /* CONFIG_IPIPE */ 67 68#endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */ 69