176a21174SMikael Olsson /* 2fa37d308SJoshua Pimm * Copyright (c) 2021-2023, Arm Limited. All rights reserved. 376a21174SMikael Olsson * 476a21174SMikael Olsson * SPDX-License-Identifier: BSD-3-Clause 576a21174SMikael Olsson */ 676a21174SMikael Olsson 776a21174SMikael Olsson #ifndef ETHOSN_H 876a21174SMikael Olsson #define ETHOSN_H 976a21174SMikael Olsson 1076a21174SMikael Olsson #include <lib/smccc.h> 1176a21174SMikael Olsson 1276a21174SMikael Olsson /* Function numbers */ 1376a21174SMikael Olsson #define ETHOSN_FNUM_VERSION U(0x50) 1476a21174SMikael Olsson #define ETHOSN_FNUM_IS_SEC U(0x51) 1576a21174SMikael Olsson #define ETHOSN_FNUM_HARD_RESET U(0x52) 1676a21174SMikael Olsson #define ETHOSN_FNUM_SOFT_RESET U(0x53) 17*2a2e3e87SMikael Olsson #define ETHOSN_FNUM_IS_SLEEPING U(0x54) 18*2a2e3e87SMikael Olsson /* 0x55-0x5F reserved for future use */ 1976a21174SMikael Olsson 2076a21174SMikael Olsson /* SMC64 function IDs */ 2176a21174SMikael Olsson #define ETHOSN_FID_64(func_num) U(0xC2000000 | func_num) 2276a21174SMikael Olsson #define ETHOSN_FID_VERSION_64 ETHOSN_FID_64(ETHOSN_FNUM_VERSION) 2376a21174SMikael Olsson #define ETHOSN_FID_IS_SEC_64 ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC) 2476a21174SMikael Olsson #define ETHOSN_FID_HARD_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET) 2576a21174SMikael Olsson #define ETHOSN_FID_SOFT_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET) 2676a21174SMikael Olsson 2776a21174SMikael Olsson /* SMC32 function IDs */ 2876a21174SMikael Olsson #define ETHOSN_FID_32(func_num) U(0x82000000 | func_num) 2976a21174SMikael Olsson #define ETHOSN_FID_VERSION_32 ETHOSN_FID_32(ETHOSN_FNUM_VERSION) 3076a21174SMikael Olsson #define ETHOSN_FID_IS_SEC_32 ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC) 3176a21174SMikael Olsson #define ETHOSN_FID_HARD_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET) 3276a21174SMikael Olsson #define ETHOSN_FID_SOFT_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET) 3376a21174SMikael Olsson 3476a21174SMikael Olsson #define ETHOSN_NUM_SMC_CALLS 8 3576a21174SMikael Olsson 3676a21174SMikael Olsson /* Macro to identify function calls */ 3776a21174SMikael Olsson #define ETHOSN_FID_MASK U(0xFFF0) 3876a21174SMikael Olsson #define ETHOSN_FID_VALUE U(0x50) 3976a21174SMikael Olsson #define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE) 4076a21174SMikael Olsson 4176a21174SMikael Olsson /* Service version */ 42b139f1cfSMikael Olsson #define ETHOSN_VERSION_MAJOR U(2) 43*2a2e3e87SMikael Olsson #define ETHOSN_VERSION_MINOR U(2) 4476a21174SMikael Olsson 4576a21174SMikael Olsson /* Return codes for function calls */ 4676a21174SMikael Olsson #define ETHOSN_SUCCESS 0 4776a21174SMikael Olsson #define ETHOSN_NOT_SUPPORTED -1 4876a21174SMikael Olsson /* -2 Reserved for NOT_REQUIRED */ 49fa37d308SJoshua Pimm #define ETHOSN_INVALID_PARAMETER -3 5076a21174SMikael Olsson #define ETHOSN_FAILURE -4 511c65989eSLaurent Carlier #define ETHOSN_UNKNOWN_CORE_ADDRESS -5 52b139f1cfSMikael Olsson #define ETHOSN_UNKNOWN_ALLOCATOR_IDX -6 5376a21174SMikael Olsson 54fa37d308SJoshua Pimm /* 55fa37d308SJoshua Pimm * Argument types for soft and hard resets to indicate whether to reset 56fa37d308SJoshua Pimm * and reconfigure the NPU or only halt it 57fa37d308SJoshua Pimm */ 58fa37d308SJoshua Pimm #define ETHOSN_RESET_TYPE_FULL U(0) 59fa37d308SJoshua Pimm #define ETHOSN_RESET_TYPE_HALT U(1) 60fa37d308SJoshua Pimm 6176a21174SMikael Olsson uintptr_t ethosn_smc_handler(uint32_t smc_fid, 621c65989eSLaurent Carlier u_register_t core_addr, 63b139f1cfSMikael Olsson u_register_t asset_alloc_idx, 64fa37d308SJoshua Pimm u_register_t reset_type, 6576a21174SMikael Olsson u_register_t x4, 6676a21174SMikael Olsson void *cookie, 6776a21174SMikael Olsson void *handle, 6876a21174SMikael Olsson u_register_t flags); 6976a21174SMikael Olsson 7076a21174SMikael Olsson #endif /* ETHOSN_H */ 71