plat/nvidia: tegra: Enable SMCCC_ARCH_SOC_ID feature
Enabled 'SMCCC_ARCH_SOC_ID' feature for Nvidia Tegra platforms. Change-Id: If17415f42304c6518aeead8dfe5909c378aaa777 Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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@ -8,6 +8,8 @@
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#include <arch_helpers.h>
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#include <assert.h>
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#include <lib/mmio.h>
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#include <lib/smccc.h>
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#include <services/arm_arch_svc.h>
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#include <tegra_def.h>
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#include <tegra_platform.h>
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#include <tegra_private.h>
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@ -286,3 +288,21 @@ int32_t plat_get_soc_revision(void)
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{
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return (int32_t)((tegra_get_chipid_major() << 8) | tegra_get_chipid_minor());
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}
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/*****************************************************************************
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* plat_smccc_feature_available() - This function checks whether SMCCC feature
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* is availabile for the platform or not.
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* @fid: SMCCC function id
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*
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* Return SMC_ARCH_CALL_SUCCESS if SMCCC feature is available and
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* SMC_ARCH_CALL_NOT_SUPPORTED otherwise.
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*****************************************************************************/
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int32_t plat_smccc_feature_available(u_register_t fid)
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{
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switch (fid) {
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case SMCCC_ARCH_SOC_ID:
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return SMC_ARCH_CALL_SUCCESS;
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default:
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return SMC_ARCH_CALL_NOT_SUPPORTED;
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}
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}
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