1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* 3 * Copyright (c) 2016-2022, STMicroelectronics 4 * Copyright (c) 2018, Linaro Limited 5 */ 6 #ifndef __STM32MP1_SMC_H__ 7 #define __STM32MP1_SMC_H__ 8 9 #include <sm/optee_smc.h> 10 11 /* 12 * SIP Functions 13 */ 14 #define STM32_SIP_SVC_VERSION_MAJOR 0x0 15 #define STM32_SIP_SVC_VERSION_MINOR 0x1 16 17 #define STM32_SIP_SVC_FUNCTION_COUNT 0x3 18 19 /* STM32 SIP service generic return codes */ 20 #define STM32_SIP_SVC_OK 0x0 21 #define STM32_SIP_SVC_UNKNOWN_FUNCTION OPTEE_SMC_RETURN_UNKNOWN_FUNCTION 22 #define STM32_SIP_SVC_FAILED 0xfffffffeU 23 #define STM32_SIP_SVC_INVALID_PARAMS 0xfffffffdU 24 25 /* 26 * SMC function IDs for STM32 Service queries 27 * STM32 SMC services use the space between 0x82000000 and 0x8200FFFF 28 * like this is defined in SMC calling Convention by ARM 29 * for SiP (Silicon Partner) 30 * http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html 31 */ 32 33 /* 34 * SIP function STM32_SIP_FUNC_CALL_COUNT 35 * 36 * Argument a0: (input) SMCC ID 37 * (output) Count of defined function IDs 38 */ 39 #define STM32_SIP_SVC_FUNC_CALL_COUNT 0xff00 40 41 /* 42 * Return the following UID if using API specified in this file without 43 * further extensions: 44 * 50aa78a7-9bf4-4a14-8a5e-264d5994c214. 45 * 46 * Represented in 4 32-bit words in STM32_SIP_UID_0, STM32_SIP_UID_1, 47 * STM32_SIP_UID_2, STM32_SIP_UID_3. 48 */ 49 #define STM32_SIP_SVC_UID_0 0x50aa78a7 50 #define STM32_SIP_SVC_UID_1 0x9bf44a14 51 #define STM32_SIP_SVC_UID_2 0x8a5e264d 52 #define STM32_SIP_SVC_UID_3 0x5994c214 53 54 /* 55 * SIP function STM32_SIP_SVC_FUNC_UID 56 * 57 * Argument a0: (input) SMCC ID 58 * (output) Lowest 32bit of the stm32mp1 SIP service UUID 59 * Argument a1: (output) Next 32bit of the stm32mp1 SIP service UUID 60 * Argument a2: (output) Next 32bit of the stm32mp1 SIP service UUID 61 * Argument a3: (output) Last 32bit of the stm32mp1 SIP service UUID 62 */ 63 #define STM32_SIP_SVC_FUNC_UID 0xff01 64 65 /* 66 * SIP function STM32_SIP_FUNC_VERSION 67 * 68 * Argument a0: (input) SMCC ID 69 * (output) STM32 SIP service major 70 * Argument a1: (output) STM32 SIP service minor 71 */ 72 #define STM32_SIP_SVC_FUNC_VERSION 0xff03 73 74 /* 75 * SIP functions STM32_SIP_SVC_FUNC_BSEC - Deprecated 76 * 77 * Argument a0: (input) SMCCC function ID 78 * (output) status return code 79 * Argument a1: (input) Service ID (STM32_SIP_BSEC_xxx) 80 * Argument a2: (input) OTP index 81 * (output) OTP read value, if applicable 82 * Argument a3: (input) OTP value if applicable 83 */ 84 #define STM32_SIP_SVC_FUNC_BSEC 0x1003 85 86 /* Service ID for function ID STM32_SIP_FUNC_BSEC */ 87 #define STM32_SIP_SVC_BSEC_READ_SHADOW 0x1 88 #define STM32_SIP_SVC_BSEC_PROG_OTP 0x2 89 #define STM32_SIP_SVC_BSEC_WRITE_SHADOW 0x3 90 #define STM32_SIP_SVC_BSEC_READ_OTP 0x4 91 /* reserved for STM32_SIP_SVC_SMC_READ_ALL 0x5 */ 92 /* reserved for STM32_SIP_SVC_SMC_WRITE_ALL 0x6 */ 93 #define STM32_SIP_SVC_BSEC_WRLOCK_OTP 0x7 94 95 /* 96 * SIP function STM32_SIP_SVC_FUNC_SCMI_AGENT0 97 * SIP function STM32_SIP_SVC_FUNC_SCMI_AGENT1 98 * 99 * Process SCMI message pending in related SCMI shared memory buffer. 100 * 101 * Argument a0: (input) SMCC ID 102 */ 103 #define STM32_SIP_SVC_FUNC_SCMI_AGENT0 0x2000 104 #define STM32_SIP_SVC_FUNC_SCMI_AGENT1 0x2001 105 106 #endif /* __STM32MP1_SMC_H__*/ 107