diff options
Diffstat (limited to 'sys/arch/arm/footbridge/isa/icu.h')
| -rw-r--r-- | sys/arch/arm/footbridge/isa/icu.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sys/arch/arm/footbridge/isa/icu.h b/sys/arch/arm/footbridge/isa/icu.h new file mode 100644 index 00000000000..357a0d8e5a0 --- /dev/null +++ b/sys/arch/arm/footbridge/isa/icu.h @@ -0,0 +1,71 @@ +/* $OpenBSD: icu.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */ +/* $NetBSD: icu.h,v 1.1 2002/02/10 12:26:01 chris Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)icu.h 5.6 (Berkeley) 5/9/91 + */ + +/* + * AT/386 Interrupt Control constants + * W. Jolitz 8/89 + */ + +#ifndef _ARM32_ISA_ICU_H_ +#define _ARM32_ISA_ICU_H_ + +#ifndef _LOCORE + +/* + * Interrupt "level" mechanism variables, masks, and macros + */ +extern unsigned imen; /* interrupt mask enable */ + +#define SET_ICUS() { \ + outb(IO_ICU1 + 1, imen); \ + outb(IO_ICU2 + 1, imen >> 8); \ +} + +#endif /* !_LOCORE */ + +/* + * Interrupt enable bits -- in order of priority + */ +#define IRQ_SLAVE 2 + +/* + * Interrupt Control offset into Interrupt descriptor table (IDT) + */ +#define ICU_OFFSET 32 /* 0-31 are processor exceptions */ +#define ICU_LEN 16 /* 32-47 are ISA interrupts */ + +#endif /* !_ARM32_ISA_ICU_H_ */ |