1#- 2# Copyright 2016 Michal Meloun <mmel@FreeBSD.org> 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# 27 28#include "opt_platform.h" 29 30#ifdef FDT 31#include <sys/types.h> 32#include <dev/ofw/ofw_bus.h> 33#endif 34 35INTERFACE hwreset; 36 37#ifdef FDT 38HEADER { 39int hwreset_default_ofw_map(device_t , phandle_t, int, pcell_t *, intptr_t *); 40} 41 42# 43# map fdt property cells to reset id 44# Returns 0 on success or a standard errno value. 45# 46METHOD int map { 47 device_t provider_dev; 48 phandle_t xref; 49 int ncells; 50 pcell_t *cells; 51 intptr_t *id; 52} DEFAULT hwreset_default_ofw_map; 53#endif 54 55# 56# Assert/deassert given reset. 57# Returns 0 on success or a standard errno value. 58# 59METHOD int assert { 60 device_t provider_dev; 61 intptr_t id; 62 bool value; 63}; 64 65# 66# Get actual status of given reset. 67# Returns 0 on success or a standard errno value. 68# 69METHOD int is_asserted { 70 device_t provider_dev; 71 intptr_t id; 72 bool *value; 73}; 74