111296Sandreas.sandberg@arm.com/* 211296Sandreas.sandberg@arm.com * Copyright (c) 2015 ARM Limited 311296Sandreas.sandberg@arm.com * All rights reserved 411296Sandreas.sandberg@arm.com * 511296Sandreas.sandberg@arm.com * The license below extends only to copyright in the software and shall 611296Sandreas.sandberg@arm.com * not be construed as granting a license to any other intellectual 711296Sandreas.sandberg@arm.com * property including but not limited to intellectual property relating 811296Sandreas.sandberg@arm.com * to a hardware implementation of the functionality of the software 911296Sandreas.sandberg@arm.com * licensed hereunder. You may use the software subject to the license 1011296Sandreas.sandberg@arm.com * terms below provided that you ensure that this notice is replicated 1111296Sandreas.sandberg@arm.com * unmodified and in its entirety in all distributions of the software, 1211296Sandreas.sandberg@arm.com * modified or unmodified, in source code or in binary form. 1311296Sandreas.sandberg@arm.com * 1411296Sandreas.sandberg@arm.com * Redistribution and use in source and binary forms, with or without 1511296Sandreas.sandberg@arm.com * modification, are permitted provided that the following conditions are 1611296Sandreas.sandberg@arm.com * met: redistributions of source code must retain the above copyright 1711296Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer; 1811296Sandreas.sandberg@arm.com * redistributions in binary form must reproduce the above copyright 1911296Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer in the 2011296Sandreas.sandberg@arm.com * documentation and/or other materials provided with the distribution; 2111296Sandreas.sandberg@arm.com * neither the name of the copyright holders nor the names of its 2211296Sandreas.sandberg@arm.com * contributors may be used to endorse or promote products derived from 2311296Sandreas.sandberg@arm.com * this software without specific prior written permission. 2411296Sandreas.sandberg@arm.com * 2511296Sandreas.sandberg@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2611296Sandreas.sandberg@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2711296Sandreas.sandberg@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2811296Sandreas.sandberg@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2911296Sandreas.sandberg@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3011296Sandreas.sandberg@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3111296Sandreas.sandberg@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3211296Sandreas.sandberg@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3311296Sandreas.sandberg@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3411296Sandreas.sandberg@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3511296Sandreas.sandberg@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3611296Sandreas.sandberg@arm.com * 3711296Sandreas.sandberg@arm.com * Authors: Andreas Sandberg 3811296Sandreas.sandberg@arm.com */ 3911296Sandreas.sandberg@arm.com 4011296Sandreas.sandberg@arm.com#include "dev/arm/pci_host.hh" 4111296Sandreas.sandberg@arm.com 4211296Sandreas.sandberg@arm.com#include "params/GenericArmPciHost.hh" 4311296Sandreas.sandberg@arm.com 4411296Sandreas.sandberg@arm.comGenericArmPciHost::GenericArmPciHost(const GenericArmPciHostParams *p) 4511296Sandreas.sandberg@arm.com : GenericPciHost(p), 4611296Sandreas.sandberg@arm.com intPolicy(p->int_policy), intBase(p->int_base), 4711296Sandreas.sandberg@arm.com intCount(p->int_count) 4811296Sandreas.sandberg@arm.com{ 4911296Sandreas.sandberg@arm.com} 5011296Sandreas.sandberg@arm.com 5111296Sandreas.sandberg@arm.com 5211296Sandreas.sandberg@arm.comuint32_t 5311296Sandreas.sandberg@arm.comGenericArmPciHost::mapPciInterrupt(const PciBusAddr &addr, PciIntPin pin) const 5411296Sandreas.sandberg@arm.com{ 5511296Sandreas.sandberg@arm.com fatal_if(pin == PciIntPin::NO_INT, 5611296Sandreas.sandberg@arm.com "%02x:%02x.%i: Interrupt from a device without interrupts\n", 5711296Sandreas.sandberg@arm.com addr.bus, addr.dev, addr.func); 5811296Sandreas.sandberg@arm.com 5911296Sandreas.sandberg@arm.com switch (intPolicy) { 6011296Sandreas.sandberg@arm.com case Enums::ARM_PCI_INT_STATIC: 6111296Sandreas.sandberg@arm.com return GenericPciHost::mapPciInterrupt(addr, pin); 6211296Sandreas.sandberg@arm.com 6311296Sandreas.sandberg@arm.com case Enums::ARM_PCI_INT_DEV: 6411296Sandreas.sandberg@arm.com return intBase + (addr.dev % intCount); 6511296Sandreas.sandberg@arm.com 6611296Sandreas.sandberg@arm.com case Enums::ARM_PCI_INT_PIN: 6711296Sandreas.sandberg@arm.com return intBase + ((static_cast<uint8_t>(pin) - 1) % intCount); 6811296Sandreas.sandberg@arm.com 6911296Sandreas.sandberg@arm.com default: 7011296Sandreas.sandberg@arm.com fatal("Unsupported PCI interrupt routing policy."); 7111296Sandreas.sandberg@arm.com } 7211296Sandreas.sandberg@arm.com} 7311296Sandreas.sandberg@arm.com 7411296Sandreas.sandberg@arm.com 7511296Sandreas.sandberg@arm.comGenericArmPciHost * 7611296Sandreas.sandberg@arm.comGenericArmPciHostParams::create() 7711296Sandreas.sandberg@arm.com{ 7811296Sandreas.sandberg@arm.com return new GenericArmPciHost(this); 7911296Sandreas.sandberg@arm.com} 80