freebsd-skq/sys/powerpc/include/fdt.h
Marcel Moolenaar 2af3fc178e Introduce macro FDT_MAP_IRQ to map from an interrupt controller and
interrupt pin pair to a global IRQ number. When multiple PICs exist
on a board, the interrupt pin alone is not unique.
2011-01-29 20:25:20 +00:00

50 lines
1.9 KiB
C

/*-
* Copyright (c) 2010 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under sponsorship from
* the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* $FreeBSD$
*/
#ifndef _MACHINE_FDT_H_
#define _MACHINE_FDT_H_
#include <machine/bus.h>
#include <machine/intr_machdep.h>
/* Max interrupt number */
#define FDT_INTR_MAX INTR_VECTORS
/* Map phandle/intpin pair to global IRQ number */
#define FDT_MAP_IRQ(node, pin) powerpc_get_irq(node, pin)
/*
* Bus space tag. XXX endianess info needs to be derived from the blob.
*/
#define fdtbus_bs_tag (&bs_be_tag)
#endif /* _MACHINE_FDT_H_ */