zephyr/include/drivers/pic.h
Javier B Perez Hernandez f7fffae8aa Change BSD-3 licenses to Apache 2
Change all the Intel and Wind River code license from BSD-3 to Apache 2.

Change-Id: Id8be2c1c161a06ea8a0b9f38e17660e11dbb384b
Signed-off-by: Javier B Perez Hernandez <javier.b.perez.hernandez@linux.intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-02-05 20:24:29 -05:00

52 lines
1.3 KiB
C

/* pic.h - public Intel 8259 PIC APIs */
/*
* Copyright (c) 2015 Wind River Systems, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __INCpich
#define __INCpich
#ifdef __cplusplus
extern "C" {
#endif
#if defined(CONFIG_PIC_DISABLE)
/* programmable interrupt controller info (pair of cascaded 8259A devices) */
#define PIC_MASTER_BASE_ADRS 0x20
#define PIC_SLAVE_BASE_ADRS 0xa0
#define PIC_REG_ADDR_INTERVAL 1
/* register definitions */
#define PIC_ADRS(baseAdrs, reg) (baseAdrs + (reg * PIC_REG_ADDR_INTERVAL))
#define PIC_PORT2(base) PIC_ADRS(base, 0x01) /* port 2 */
#ifndef _ASMLANGUAGE
extern int _i8259_init(struct device *unused);
#endif /* _ASMLANGUAGE */
#endif /* CONFIG_PIC_DISABLE */
#ifdef __cplusplus
}
#endif
#endif /* __INCpich */