| Jonny Svärd | 9fc527b | 2020-11-16 16:18:07 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | * not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef MHU_JUNO_HPP |
| 20 | #define MHU_JUNO_HPP |
| 21 | |
| 22 | #include <mailbox.hpp> |
| 23 | |
| 24 | #include <cstddef> |
| 25 | #include <cstdint> |
| 26 | |
| 27 | namespace Mailbox { |
| 28 | |
| 29 | // Doorbell implementation only |
| 30 | class MHUJuno : public Mailbox { |
| 31 | public: |
| 32 | MHUJuno(const uint32_t baseAddress); |
| 33 | virtual ~MHUJuno(); |
| 34 | virtual bool sendMessage() final; |
| 35 | virtual void handleMessage() final; |
| 36 | virtual bool verifyHardware() final; |
| 37 | |
| 38 | private: |
| 39 | /* Offsets */ |
| 40 | static constexpr uint32_t CPU0_INTR_STAT = 0x00; |
| 41 | static constexpr uint32_t CPU0_INTR_SET = 0x04; |
| 42 | static constexpr uint32_t CPU0_INTR_CLR = 0x08; |
| 43 | static constexpr uint32_t CPU1_INTR_STAT = 0x10; |
| 44 | static constexpr uint32_t CPU1_INTR_SET = 0x14; |
| 45 | static constexpr uint32_t CPU1_INTR_CLR = 0x18; |
| 46 | static constexpr uint32_t OFFSET = 0x10; |
| 47 | static constexpr uint32_t PIDR0 = 0xfe0; |
| 48 | static constexpr uint32_t PIDR1 = 0xfe4; |
| 49 | static constexpr uint32_t PIDR2 = 0xfe8; |
| 50 | static constexpr uint32_t PIDR3 = 0xfec; |
| 51 | static constexpr uint32_t PIDR4 = 0xfd0; |
| 52 | static constexpr uint32_t CIDR0 = 0xff0; |
| 53 | static constexpr uint32_t CIDR1 = 0xff4; |
| 54 | static constexpr uint32_t CIDR2 = 0xff8; |
| 55 | static constexpr uint32_t CIDR3 = 0xffc; |
| 56 | |
| 57 | volatile uint32_t *baseAddr; |
| 58 | |
| 59 | void clearMessage(); |
| 60 | void write(uint32_t offset, uint32_t val); |
| 61 | uint32_t read(uint32_t offset); |
| 62 | }; |
| 63 | |
| 64 | } // namespace Mailbox |
| 65 | |
| 66 | #endif /* #ifndef MHU_JUNO_HPP */ |