17584SAli.Saidi@arm.com/* 27584SAli.Saidi@arm.com * Copyright (c) 2010 ARM Limited 37584SAli.Saidi@arm.com * All rights reserved 47584SAli.Saidi@arm.com * 57584SAli.Saidi@arm.com * The license below extends only to copyright in the software and shall 67584SAli.Saidi@arm.com * not be construed as granting a license to any other intellectual 77584SAli.Saidi@arm.com * property including but not limited to intellectual property relating 87584SAli.Saidi@arm.com * to a hardware implementation of the functionality of the software 97584SAli.Saidi@arm.com * licensed hereunder. You may use the software subject to the license 107584SAli.Saidi@arm.com * terms below provided that you ensure that this notice is replicated 117584SAli.Saidi@arm.com * unmodified and in its entirety in all distributions of the software, 127584SAli.Saidi@arm.com * modified or unmodified, in source code or in binary form. 137584SAli.Saidi@arm.com * 147584SAli.Saidi@arm.com * Copyright (c) 2005 The Regents of The University of Michigan 157584SAli.Saidi@arm.com * All rights reserved. 167584SAli.Saidi@arm.com * 177584SAli.Saidi@arm.com * Redistribution and use in source and binary forms, with or without 187584SAli.Saidi@arm.com * modification, are permitted provided that the following conditions are 197584SAli.Saidi@arm.com * met: redistributions of source code must retain the above copyright 207584SAli.Saidi@arm.com * notice, this list of conditions and the following disclaimer; 217584SAli.Saidi@arm.com * redistributions in binary form must reproduce the above copyright 227584SAli.Saidi@arm.com * notice, this list of conditions and the following disclaimer in the 237584SAli.Saidi@arm.com * documentation and/or other materials provided with the distribution; 247584SAli.Saidi@arm.com * neither the name of the copyright holders nor the names of its 257584SAli.Saidi@arm.com * contributors may be used to endorse or promote products derived from 267584SAli.Saidi@arm.com * this software without specific prior written permission. 277584SAli.Saidi@arm.com * 287584SAli.Saidi@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 297584SAli.Saidi@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 307584SAli.Saidi@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 317584SAli.Saidi@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 327584SAli.Saidi@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 337584SAli.Saidi@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 347584SAli.Saidi@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 357584SAli.Saidi@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 367584SAli.Saidi@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 377584SAli.Saidi@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 387584SAli.Saidi@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 397584SAli.Saidi@arm.com * 407584SAli.Saidi@arm.com * Authors: Ali Saidi 417584SAli.Saidi@arm.com */ 427584SAli.Saidi@arm.com 4311793Sbrandon.potter@amd.com#include "dev/arm/amba_device.hh" 4411793Sbrandon.potter@amd.com 457584SAli.Saidi@arm.com#include "base/trace.hh" 468245Snate@binkert.org#include "debug/AMBA.hh" 477584SAli.Saidi@arm.com#include "dev/arm/amba_fake.hh" 487584SAli.Saidi@arm.com#include "mem/packet.hh" 497584SAli.Saidi@arm.com#include "mem/packet_access.hh" 507584SAli.Saidi@arm.com 517753SWilliam.Wang@arm.comconst uint64_t AmbaVendor = ULL(0xb105f00d00000000); 527950SAli.Saidi@ARM.com 539808Sstever@gmail.comAmbaPioDevice::AmbaPioDevice(const Params *p, Addr pio_size) 549808Sstever@gmail.com : BasicPioDevice(p, pio_size), ambaId(AmbaVendor | p->amba_id) 557584SAli.Saidi@arm.com{ 567584SAli.Saidi@arm.com} 577584SAli.Saidi@arm.com 589808Sstever@gmail.comAmbaIntDevice::AmbaIntDevice(const Params *p, Addr pio_size) 599808Sstever@gmail.com : AmbaPioDevice(p, pio_size), 609808Sstever@gmail.com intNum(p->int_num), gic(p->gic), intDelay(p->int_delay) 617950SAli.Saidi@ARM.com{ 627950SAli.Saidi@ARM.com} 637950SAli.Saidi@ARM.com 647950SAli.Saidi@ARM.com 657950SAli.Saidi@ARM.com 6610867Sandreas.sandberg@arm.comAmbaDmaDevice::AmbaDmaDevice(const Params *p, Addr pio_size) 677753SWilliam.Wang@arm.com : DmaDevice(p), ambaId(AmbaVendor | p->amba_id), 6810867Sandreas.sandberg@arm.com pioAddr(p->pio_addr), pioSize(pio_size), 697753SWilliam.Wang@arm.com pioDelay(p->pio_latency),intNum(p->int_num), gic(p->gic) 707587SAli.Saidi@arm.com{ 717587SAli.Saidi@arm.com} 727587SAli.Saidi@arm.com 737584SAli.Saidi@arm.combool 749806Sstever@gmail.comAmbaDevice::readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr) 757584SAli.Saidi@arm.com{ 767587SAli.Saidi@arm.com Addr daddr = pkt->getAddr() - pio_addr; 777584SAli.Saidi@arm.com if (daddr < AMBA_PER_ID0 || daddr > AMBA_CEL_ID3) 787584SAli.Saidi@arm.com return false; 797584SAli.Saidi@arm.com 807587SAli.Saidi@arm.com int byte = (daddr - AMBA_PER_ID0) << 1; 817584SAli.Saidi@arm.com // Too noisy right now 829806Sstever@gmail.com DPRINTF(AMBA, "Returning %#x for offset %#x(%d)\n", 839806Sstever@gmail.com (amba_id >> byte) & 0xFF, 847587SAli.Saidi@arm.com pkt->getAddr() - pio_addr, byte); 857584SAli.Saidi@arm.com assert(pkt->getSize() == 4); 8613230Sgabeblack@google.com pkt->setLE<uint32_t>((amba_id >> byte) & 0xFF); 877584SAli.Saidi@arm.com return true; 887584SAli.Saidi@arm.com} 89