2015-12-21 18:07:32 +00:00
|
|
|
/*-
|
|
|
|
|
* Copyright (c) 2015 Ian Lepore <ian@freebsd.org>
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* 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
|
|
|
|
|
* 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.
|
|
|
|
|
*
|
|
|
|
|
* $FreeBSD$
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _DEV_OFW_OFW_SUBR_H_
|
|
|
|
|
#define _DEV_OFW_OFW_SUBR_H_
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Translate an address from the Nth tuple of a device node's reg properties to
|
|
|
|
|
* a physical memory address, by applying the range mappings from all ancestors.
|
|
|
|
|
* This assumes that all ancestor ranges are simple numerical offsets for which
|
|
|
|
|
* addition and subtraction operations will perform the required mapping (the
|
|
|
|
|
* bit-options in the high word of standard PCI properties are also handled).
|
|
|
|
|
* After the call, *pci_hi (if non-NULL) contains the phys.hi cell of the
|
|
|
|
|
* device's parent PCI bus, or OFW_PADDR_NOT_PCI if no PCI bus is involved.
|
|
|
|
|
*
|
|
|
|
|
* This is intended to be a helper function called by the platform-specific
|
|
|
|
|
* implementation of OF_decode_addr(), and not for direct use by device drivers.
|
|
|
|
|
*/
|
|
|
|
|
#define OFW_PADDR_NOT_PCI (~0)
|
|
|
|
|
|
|
|
|
|
int ofw_reg_to_paddr(phandle_t _dev, int _regno, bus_addr_t *_paddr,
|
|
|
|
|
bus_size_t *_size, pcell_t *_pci_hi);
|
|
|
|
|
|
2016-09-21 02:28:39 +00:00
|
|
|
int ofw_parse_bootargs(void);
|
|
|
|
|
|
2015-12-21 18:07:32 +00:00
|
|
|
#endif
|
