1bcb7a339a
Change the PIC driver to be initialized by the init system. To be initialized by the init system the function signature of the _i8259_init() function needs to be changed to the standard *_init() function signature specified by the device model. Change-Id: I63bf1cd0ce78920fa20da94f5966e5aab4bf41b2 Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* pic.h - public Intel 8259 PIC APIs */
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/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __INCpich
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#define __INCpich
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(CONFIG_PIC_DISABLE)
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/* programmable interrupt controller info (pair of cascaded 8259A devices) */
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#define PIC_MASTER_BASE_ADRS 0x20
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#define PIC_SLAVE_BASE_ADRS 0xa0
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#define PIC_REG_ADDR_INTERVAL 1
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/* register definitions */
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#define PIC_ADRS(baseAdrs, reg) (baseAdrs + (reg * PIC_REG_ADDR_INTERVAL))
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#define PIC_PORT2(base) PIC_ADRS(base, 0x01) /* port 2 */
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#ifndef _ASMLANGUAGE
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extern int _i8259_init(struct device *unused);
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#endif /* _ASMLANGUAGE */
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#endif /* CONFIG_PIC_DISABLE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCpich */
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