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/*
* Copyright (c) 2020 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MHU_JUNO_HPP
#define MHU_JUNO_HPP
#include <mailbox.hpp>
#include <cstddef>
#include <cstdint>
namespace Mailbox {
// Doorbell implementation only
class MHUJuno : public Mailbox {
public:
MHUJuno(const uint32_t baseAddress);
virtual ~MHUJuno();
virtual bool sendMessage() final;
virtual void handleMessage() final;
virtual bool verifyHardware() final;
private:
/* Offsets */
static constexpr uint32_t CPU0_INTR_STAT = 0x00;
static constexpr uint32_t CPU0_INTR_SET = 0x04;
static constexpr uint32_t CPU0_INTR_CLR = 0x08;
static constexpr uint32_t CPU1_INTR_STAT = 0x10;
static constexpr uint32_t CPU1_INTR_SET = 0x14;
static constexpr uint32_t CPU1_INTR_CLR = 0x18;
static constexpr uint32_t OFFSET = 0x10;
static constexpr uint32_t PIDR0 = 0xfe0;
static constexpr uint32_t PIDR1 = 0xfe4;
static constexpr uint32_t PIDR2 = 0xfe8;
static constexpr uint32_t PIDR3 = 0xfec;
static constexpr uint32_t PIDR4 = 0xfd0;
static constexpr uint32_t CIDR0 = 0xff0;
static constexpr uint32_t CIDR1 = 0xff4;
static constexpr uint32_t CIDR2 = 0xff8;
static constexpr uint32_t CIDR3 = 0xffc;
volatile uint32_t *baseAddr;
void clearMessage();
void write(uint32_t offset, uint32_t val);
uint32_t read(uint32_t offset);
};
} // namespace Mailbox
#endif /* #ifndef MHU_JUNO_HPP */
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