/*
 * Copyright 2019 Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * 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;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
 * OWNER 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.
 *
 * Authors: Gabe Black
 */

component CortexA76x2
{

    composition
    {
        core : ARMCortexA76x2CT();

        // Clocks.
        clock1Hz : MasterClock();
        clockDiv : ClockDivider();
        clockDivPeriph : ClockDivider(mul=0x01800000);
    }

    connection
    {
        // The main interface with memory.
        core.pvbus_m0 => self.amba;

        // Connection to the GIC.
        self.redistributor => core.gicv3_redistributor_s;

        // Core interrupt signals.
        core.CNTHPIRQ => self.cnthpirq;
        core.CNTHVIRQ => self.cnthvirq;
        core.CNTPNSIRQ => self.cntpnsirq;
        core.CNTPSIRQ => self.cntpsirq;
        core.CNTVIRQ => self.cntvirq;
        core.commirq => self.commirq;
        core.ctidbgirq => self.ctidbgirq;
        core.pmuirq => self.pmuirq;
        core.vcpumntirq => self.vcpumntirq;

        // Clocks.
        clock1Hz.clk_out => clockDiv.clk_in;
        clock1Hz.clk_out => clockDivPeriph.clk_in;
        clockDiv.clk_out => core.core_clk_in;
        clockDivPeriph.clk_out => core.clk_in;
    }

    properties
    {
        component_type = "System";
    }

    master port<PVBus> amba;
    slave port<ExportedClockRateControl> clock_rate_s
    {
        behavior set_mul_div(uint64_t mul, uint64_t div)
        {
            clockDiv.rate.set64(mul, div);
        }
    }
    slave port<GICv3Comms> redistributor[2];

    // External ports for CPU-to-GIC signals
    master port<Signal> cnthpirq[2];
    master port<Signal> cnthvirq[2];
    master port<Signal> cntpsirq[2];
    master port<Signal> cntvirq[2];
    master port<Signal> commirq[2];
    master port<Signal> ctidbgirq[2];
    master port<Signal> pmuirq[2];
    master port<Signal> vcpumntirq[2];
    master port<Signal> cntpnsirq[2];
}