1 /* 2 * Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <common/debug.h> 8 #include <lib/mmio.h> 9 #include <lib/smccc.h> 10 #include <services/arm_arch_svc.h> 11 12 #include <plat_private.h> 13 #include <plat_startup.h> 14 #include <pm_api_sys.h> 15 16 /** 17 * plat_is_smccc_feature_available() - This function checks whether SMCCC 18 * feature is availabile for platform. 19 * @fid: SMCCC function id 20 * 21 * Return: 22 * * SMC_ARCH_CALL_SUCCESS - if SMCCC feature is available 23 * * SMC_ARCH_CALL_NOT_SUPPORTED - Otherwise 24 */ 25 int32_t plat_is_smccc_feature_available(u_register_t fid) 26 { 27 switch (fid) { 28 case SMCCC_ARCH_SOC_ID: 29 return SMC_ARCH_CALL_SUCCESS; 30 default: 31 return SMC_ARCH_CALL_NOT_SUPPORTED; 32 } 33 } 34 35 /** 36 * plat_get_soc_version() - Get the SOC version of the platform 37 * 38 * This function is called when the SoC_ID_type == 0. 39 * For further details please refer to section 7.4 of SMC Calling Convention 40 * 41 * Return: SiP defined SoC version in JEP-106 42 */ 43 int32_t plat_get_soc_version(void) 44 { 45 uint32_t manfid; 46 47 manfid = SOC_ID_SET_JEP_106(JEDEC_XILINX_BKID, JEDEC_XILINX_MFID); 48 49 return (int32_t)(manfid | (platform_version & SOC_ID_IMPL_DEF_MASK)); 50 } 51 52 /** 53 * plat_get_soc_revision() - Get the SOC revision for the platform 54 * 55 * This function is called when the SoC_ID_type == 1 56 * For further details please refer to section 7.4 of SMC Calling Convention 57 * 58 * Return: SiP defined SoC revision 59 */ 60 int32_t plat_get_soc_revision(void) 61 { 62 return (platform_id & SOC_ID_REV_MASK); 63 } 64