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6daeec7094
Multi-chip platforms have two or more identical chips connected using a high speed coherent link. In order to identify such platforms, add chip_id and multi_chip_mode information in the platform variant info structure. The values of these two new elements is populated during boot. Change-Id: Ie6e89cb33b3f0f408814f6239cd06647053e23ed Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>
31 lines
612 B
C
31 lines
612 B
C
/*
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* Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <plat/common/platform.h>
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#include <sgi_plat.h>
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#include <sgi_variant.h>
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unsigned int plat_arm_sgi_get_platform_id(void)
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{
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return mmio_read_32(SSC_VERSION) & SSC_VERSION_PART_NUM_MASK;
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}
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unsigned int plat_arm_sgi_get_config_id(void)
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{
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return (mmio_read_32(SSC_VERSION) >> SSC_VERSION_CONFIG_SHIFT)
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& SSC_VERSION_CONFIG_MASK;
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}
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unsigned int plat_arm_sgi_get_multi_chip_mode(void)
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{
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return 0;
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}
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void bl31_platform_setup(void)
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{
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sgi_bl31_common_platform_setup();
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}
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