1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright (c) 2021, Arm Limited. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park 7*54fd6939SJiyong Park #ifndef ETHOSN_H 8*54fd6939SJiyong Park #define ETHOSN_H 9*54fd6939SJiyong Park 10*54fd6939SJiyong Park #include <lib/smccc.h> 11*54fd6939SJiyong Park 12*54fd6939SJiyong Park /* Function numbers */ 13*54fd6939SJiyong Park #define ETHOSN_FNUM_VERSION U(0x50) 14*54fd6939SJiyong Park #define ETHOSN_FNUM_IS_SEC U(0x51) 15*54fd6939SJiyong Park #define ETHOSN_FNUM_HARD_RESET U(0x52) 16*54fd6939SJiyong Park #define ETHOSN_FNUM_SOFT_RESET U(0x53) 17*54fd6939SJiyong Park /* 0x54-0x5F reserved for future use */ 18*54fd6939SJiyong Park 19*54fd6939SJiyong Park /* SMC64 function IDs */ 20*54fd6939SJiyong Park #define ETHOSN_FID_64(func_num) U(0xC2000000 | func_num) 21*54fd6939SJiyong Park #define ETHOSN_FID_VERSION_64 ETHOSN_FID_64(ETHOSN_FNUM_VERSION) 22*54fd6939SJiyong Park #define ETHOSN_FID_IS_SEC_64 ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC) 23*54fd6939SJiyong Park #define ETHOSN_FID_HARD_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET) 24*54fd6939SJiyong Park #define ETHOSN_FID_SOFT_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET) 25*54fd6939SJiyong Park 26*54fd6939SJiyong Park /* SMC32 function IDs */ 27*54fd6939SJiyong Park #define ETHOSN_FID_32(func_num) U(0x82000000 | func_num) 28*54fd6939SJiyong Park #define ETHOSN_FID_VERSION_32 ETHOSN_FID_32(ETHOSN_FNUM_VERSION) 29*54fd6939SJiyong Park #define ETHOSN_FID_IS_SEC_32 ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC) 30*54fd6939SJiyong Park #define ETHOSN_FID_HARD_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET) 31*54fd6939SJiyong Park #define ETHOSN_FID_SOFT_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET) 32*54fd6939SJiyong Park 33*54fd6939SJiyong Park #define ETHOSN_NUM_SMC_CALLS 8 34*54fd6939SJiyong Park 35*54fd6939SJiyong Park /* Macro to identify function calls */ 36*54fd6939SJiyong Park #define ETHOSN_FID_MASK U(0xFFF0) 37*54fd6939SJiyong Park #define ETHOSN_FID_VALUE U(0x50) 38*54fd6939SJiyong Park #define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE) 39*54fd6939SJiyong Park 40*54fd6939SJiyong Park /* Service version */ 41*54fd6939SJiyong Park #define ETHOSN_VERSION_MAJOR U(1) 42*54fd6939SJiyong Park #define ETHOSN_VERSION_MINOR U(0) 43*54fd6939SJiyong Park 44*54fd6939SJiyong Park /* Return codes for function calls */ 45*54fd6939SJiyong Park #define ETHOSN_SUCCESS 0 46*54fd6939SJiyong Park #define ETHOSN_NOT_SUPPORTED -1 47*54fd6939SJiyong Park /* -2 Reserved for NOT_REQUIRED */ 48*54fd6939SJiyong Park /* -3 Reserved for INVALID_PARAMETER */ 49*54fd6939SJiyong Park #define ETHOSN_FAILURE -4 50*54fd6939SJiyong Park #define ETHOSN_UNKNOWN_CORE_ADDRESS -5 51*54fd6939SJiyong Park 52*54fd6939SJiyong Park uintptr_t ethosn_smc_handler(uint32_t smc_fid, 53*54fd6939SJiyong Park u_register_t core_addr, 54*54fd6939SJiyong Park u_register_t x2, 55*54fd6939SJiyong Park u_register_t x3, 56*54fd6939SJiyong Park u_register_t x4, 57*54fd6939SJiyong Park void *cookie, 58*54fd6939SJiyong Park void *handle, 59*54fd6939SJiyong Park u_register_t flags); 60*54fd6939SJiyong Park 61*54fd6939SJiyong Park #endif /* ETHOSN_H */ 62