amba_device.cc revision 7950:1120b07dd4b0
111308Santhony.gutierrez@amd.com/* 211308Santhony.gutierrez@amd.com * Copyright (c) 2010 ARM Limited 311308Santhony.gutierrez@amd.com * All rights reserved 411308Santhony.gutierrez@amd.com * 511308Santhony.gutierrez@amd.com * The license below extends only to copyright in the software and shall 611308Santhony.gutierrez@amd.com * not be construed as granting a license to any other intellectual 711308Santhony.gutierrez@amd.com * property including but not limited to intellectual property relating 811308Santhony.gutierrez@amd.com * to a hardware implementation of the functionality of the software 911308Santhony.gutierrez@amd.com * licensed hereunder. You may use the software subject to the license 1011308Santhony.gutierrez@amd.com * terms below provided that you ensure that this notice is replicated 1111308Santhony.gutierrez@amd.com * unmodified and in its entirety in all distributions of the software, 1211308Santhony.gutierrez@amd.com * modified or unmodified, in source code or in binary form. 1311308Santhony.gutierrez@amd.com * 1411308Santhony.gutierrez@amd.com * Copyright (c) 2005 The Regents of The University of Michigan 1511308Santhony.gutierrez@amd.com * All rights reserved. 1611308Santhony.gutierrez@amd.com * 1711308Santhony.gutierrez@amd.com * Redistribution and use in source and binary forms, with or without 1811308Santhony.gutierrez@amd.com * modification, are permitted provided that the following conditions are 1911308Santhony.gutierrez@amd.com * met: redistributions of source code must retain the above copyright 2011308Santhony.gutierrez@amd.com * notice, this list of conditions and the following disclaimer; 2111308Santhony.gutierrez@amd.com * redistributions in binary form must reproduce the above copyright 2211308Santhony.gutierrez@amd.com * notice, this list of conditions and the following disclaimer in the 2311308Santhony.gutierrez@amd.com * documentation and/or other materials provided with the distribution; 2411308Santhony.gutierrez@amd.com * neither the name of the copyright holders nor the names of its 2511308Santhony.gutierrez@amd.com * contributors may be used to endorse or promote products derived from 2611308Santhony.gutierrez@amd.com * this software without specific prior written permission. 2711308Santhony.gutierrez@amd.com * 2811308Santhony.gutierrez@amd.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2911308Santhony.gutierrez@amd.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 3011308Santhony.gutierrez@amd.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3111308Santhony.gutierrez@amd.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3211308Santhony.gutierrez@amd.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3311308Santhony.gutierrez@amd.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3411308Santhony.gutierrez@amd.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3511308Santhony.gutierrez@amd.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3611308Santhony.gutierrez@amd.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3711308Santhony.gutierrez@amd.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3811308Santhony.gutierrez@amd.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3911308Santhony.gutierrez@amd.com * 4011308Santhony.gutierrez@amd.com * Authors: Ali Saidi 4111308Santhony.gutierrez@amd.com */ 4211308Santhony.gutierrez@amd.com 4311308Santhony.gutierrez@amd.com#include "base/trace.hh" 4411308Santhony.gutierrez@amd.com#include "dev/arm/amba_fake.hh" 4511308Santhony.gutierrez@amd.com#include "dev/arm/amba_device.hh" 4611308Santhony.gutierrez@amd.com#include "mem/packet.hh" 4711308Santhony.gutierrez@amd.com#include "mem/packet_access.hh" 4811308Santhony.gutierrez@amd.com 4911308Santhony.gutierrez@amd.comconst uint64_t AmbaVendor = ULL(0xb105f00d00000000); 5011308Santhony.gutierrez@amd.com 5111308Santhony.gutierrez@amd.comAmbaDevice::AmbaDevice(const Params *p) 5211308Santhony.gutierrez@amd.com : BasicPioDevice(p), ambaId(AmbaVendor | p->amba_id) 5311308Santhony.gutierrez@amd.com{ 5411308Santhony.gutierrez@amd.com} 5511308Santhony.gutierrez@amd.com 5611308Santhony.gutierrez@amd.comAmbaIntDevice::AmbaIntDevice(const Params *p) 5711308Santhony.gutierrez@amd.com : AmbaDevice(p), intNum(p->int_num), gic(p->gic), intDelay(p->int_delay) 5811308Santhony.gutierrez@amd.com{ 5911308Santhony.gutierrez@amd.com} 6011308Santhony.gutierrez@amd.com 6111308Santhony.gutierrez@amd.com 6211308Santhony.gutierrez@amd.com 6311308Santhony.gutierrez@amd.comAmbaDmaDevice::AmbaDmaDevice(const Params *p) 6411308Santhony.gutierrez@amd.com : DmaDevice(p), ambaId(AmbaVendor | p->amba_id), 6511308Santhony.gutierrez@amd.com pioAddr(p->pio_addr), pioSize(0), 6611308Santhony.gutierrez@amd.com pioDelay(p->pio_latency),intNum(p->int_num), gic(p->gic) 6711308Santhony.gutierrez@amd.com{ 6811308Santhony.gutierrez@amd.com} 6911308Santhony.gutierrez@amd.com 7011308Santhony.gutierrez@amd.comnamespace AmbaDev { 7111308Santhony.gutierrez@amd.combool 7211308Santhony.gutierrez@amd.comreadId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr) 7311308Santhony.gutierrez@amd.com{ 7411308Santhony.gutierrez@amd.com Addr daddr = pkt->getAddr() - pio_addr; 7511308Santhony.gutierrez@amd.com if (daddr < AMBA_PER_ID0 || daddr > AMBA_CEL_ID3) 7611308Santhony.gutierrez@amd.com return false; 7711308Santhony.gutierrez@amd.com 7811308Santhony.gutierrez@amd.com pkt->allocate(); 7911308Santhony.gutierrez@amd.com 8011308Santhony.gutierrez@amd.com int byte = (daddr - AMBA_PER_ID0) << 1; 8111308Santhony.gutierrez@amd.com // Too noisy right now 8211308Santhony.gutierrez@amd.com DPRINTF(AMBA, "Returning %#x for offset %#x(%d)\n", (amba_id >> byte) & 0xFF, 8311308Santhony.gutierrez@amd.com pkt->getAddr() - pio_addr, byte); 8411308Santhony.gutierrez@amd.com assert(pkt->getSize() == 4); 8511308Santhony.gutierrez@amd.com pkt->set<uint32_t>((amba_id >> byte) & 0xFF); 8611308Santhony.gutierrez@amd.com return true; 8711308Santhony.gutierrez@amd.com} 8811308Santhony.gutierrez@amd.com 8911308Santhony.gutierrez@amd.com} // namespace AmbaDev 90