Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 1 | /* |
Joshua Pimm | 6bc8067 | 2022-10-19 15:46:27 +0100 | [diff] [blame^] | 2 | * Copyright (c) 2021-2023, Arm Limited. All rights reserved. |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef ETHOSN_H |
| 8 | #define ETHOSN_H |
| 9 | |
| 10 | #include <lib/smccc.h> |
| 11 | |
| 12 | /* Function numbers */ |
| 13 | #define ETHOSN_FNUM_VERSION U(0x50) |
| 14 | #define ETHOSN_FNUM_IS_SEC U(0x51) |
| 15 | #define ETHOSN_FNUM_HARD_RESET U(0x52) |
| 16 | #define ETHOSN_FNUM_SOFT_RESET U(0x53) |
| 17 | /* 0x54-0x5F reserved for future use */ |
| 18 | |
| 19 | /* SMC64 function IDs */ |
| 20 | #define ETHOSN_FID_64(func_num) U(0xC2000000 | func_num) |
| 21 | #define ETHOSN_FID_VERSION_64 ETHOSN_FID_64(ETHOSN_FNUM_VERSION) |
| 22 | #define ETHOSN_FID_IS_SEC_64 ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC) |
| 23 | #define ETHOSN_FID_HARD_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET) |
| 24 | #define ETHOSN_FID_SOFT_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET) |
| 25 | |
| 26 | /* SMC32 function IDs */ |
| 27 | #define ETHOSN_FID_32(func_num) U(0x82000000 | func_num) |
| 28 | #define ETHOSN_FID_VERSION_32 ETHOSN_FID_32(ETHOSN_FNUM_VERSION) |
| 29 | #define ETHOSN_FID_IS_SEC_32 ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC) |
| 30 | #define ETHOSN_FID_HARD_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET) |
| 31 | #define ETHOSN_FID_SOFT_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET) |
| 32 | |
| 33 | #define ETHOSN_NUM_SMC_CALLS 8 |
| 34 | |
| 35 | /* Macro to identify function calls */ |
| 36 | #define ETHOSN_FID_MASK U(0xFFF0) |
| 37 | #define ETHOSN_FID_VALUE U(0x50) |
| 38 | #define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE) |
| 39 | |
| 40 | /* Service version */ |
Mikael Olsson | 3288b46 | 2022-08-15 17:12:58 +0200 | [diff] [blame] | 41 | #define ETHOSN_VERSION_MAJOR U(2) |
Joshua Pimm | 6bc8067 | 2022-10-19 15:46:27 +0100 | [diff] [blame^] | 42 | #define ETHOSN_VERSION_MINOR U(1) |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 43 | |
| 44 | /* Return codes for function calls */ |
| 45 | #define ETHOSN_SUCCESS 0 |
| 46 | #define ETHOSN_NOT_SUPPORTED -1 |
| 47 | /* -2 Reserved for NOT_REQUIRED */ |
Joshua Pimm | 6bc8067 | 2022-10-19 15:46:27 +0100 | [diff] [blame^] | 48 | #define ETHOSN_INVALID_PARAMETER -3 |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 49 | #define ETHOSN_FAILURE -4 |
Laurent Carlier | 5205df2 | 2021-09-16 15:10:35 +0100 | [diff] [blame] | 50 | #define ETHOSN_UNKNOWN_CORE_ADDRESS -5 |
Mikael Olsson | 3288b46 | 2022-08-15 17:12:58 +0200 | [diff] [blame] | 51 | #define ETHOSN_UNKNOWN_ALLOCATOR_IDX -6 |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 52 | |
Joshua Pimm | 6bc8067 | 2022-10-19 15:46:27 +0100 | [diff] [blame^] | 53 | /* |
| 54 | * Argument types for soft and hard resets to indicate whether to reset |
| 55 | * and reconfigure the NPU or only halt it |
| 56 | */ |
| 57 | #define ETHOSN_RESET_TYPE_FULL U(0) |
| 58 | #define ETHOSN_RESET_TYPE_HALT U(1) |
| 59 | |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 60 | uintptr_t ethosn_smc_handler(uint32_t smc_fid, |
Laurent Carlier | 5205df2 | 2021-09-16 15:10:35 +0100 | [diff] [blame] | 61 | u_register_t core_addr, |
Mikael Olsson | 3288b46 | 2022-08-15 17:12:58 +0200 | [diff] [blame] | 62 | u_register_t asset_alloc_idx, |
Joshua Pimm | 6bc8067 | 2022-10-19 15:46:27 +0100 | [diff] [blame^] | 63 | u_register_t reset_type, |
Mikael Olsson | 7da6619 | 2021-02-12 17:30:22 +0100 | [diff] [blame] | 64 | u_register_t x4, |
| 65 | void *cookie, |
| 66 | void *handle, |
| 67 | u_register_t flags); |
| 68 | |
| 69 | #endif /* ETHOSN_H */ |