1 /* 2 * Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch_helpers.h> 8 #include <common/bl_common.h> 9 #include <common/debug.h> 10 #include <drivers/arm/cci.h> 11 #include <drivers/console.h> 12 #include <lib/mmio.h> 13 #include <lib/smccc.h> 14 #include <lib/xlat_tables/xlat_tables.h> 15 #include <plat/common/platform.h> 16 #include <services/arm_arch_svc.h> 17 18 #include <mtk_plat_common.h> 19 #include <mtk_sip_svc.h> 20 #include <plat_private.h> 21 22 void clean_top_32b_of_param(uint32_t smc_fid, 23 u_register_t *px1, 24 u_register_t *px2, 25 u_register_t *px3, 26 u_register_t *px4) 27 { 28 /* if parameters from SMC32. Clean top 32 bits */ 29 if (GET_SMC_CC(smc_fid) == SMC_64) { 30 *px1 = *px1 & SMC32_PARAM_MASK; 31 *px2 = *px2 & SMC32_PARAM_MASK; 32 *px3 = *px3 & SMC32_PARAM_MASK; 33 *px4 = *px4 & SMC32_PARAM_MASK; 34 } 35 } 36 37 /***************************************************************************** 38 * plat_is_smccc_feature_available() - This function checks whether SMCCC 39 * feature is availabile for platform. 40 * @fid: SMCCC function id 41 * 42 * Return SMC_OK if SMCCC feature is available and SMC_ARCH_CALL_NOT_SUPPORTED 43 * otherwise. 44 *****************************************************************************/ 45 int32_t plat_is_smccc_feature_available(u_register_t fid) 46 { 47 switch (fid) { 48 case SMCCC_ARCH_SOC_ID: 49 return SMC_ARCH_CALL_SUCCESS; 50 default: 51 return SMC_ARCH_CALL_NOT_SUPPORTED; 52 } 53 } 54 55 int32_t plat_get_soc_version(void) 56 { 57 uint32_t manfid = SOC_ID_SET_JEP_106(JEDEC_MTK_BKID, JEDEC_MTK_MFID); 58 59 return (int32_t)(manfid | (SOC_CHIP_ID & SOC_ID_IMPL_DEF_MASK)); 60 } 61 62 int32_t plat_get_soc_revision(void) 63 { 64 return 0; 65 } 66