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https://github.com/ARM-software/arm-trusted-firmware.git
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d8e919c7b8
Initial commit for Socionext UniPhier SoC support. BL1, Bl2, and BL31 are supported. Refer to docs/plat/socionext-uniphier.md for more detais. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
34 lines
757 B
ArmAsm
34 lines
757 B
ArmAsm
/*
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* Copyright (c) 2017, 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 <asm_macros.S>
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#include <platform_def.h>
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.global uniphier_calc_core_pos
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.global plat_my_core_pos
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.globl platform_mem_init
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/*
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* unsigned int uniphier_calc_core_pos(u_register_t mpidr)
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* core_pos = (cluster_id * max_cpus_per_cluster) + core_id
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*/
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func uniphier_calc_core_pos
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and x1, x0, #MPIDR_CPU_MASK
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and x0, x0, #MPIDR_CLUSTER_MASK
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lsr x0, x0, #MPIDR_AFFINITY_BITS
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mov x2, #UNIPHIER_MAX_CPUS_PER_CLUSTER
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madd x0, x0, x2, x1
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ret
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endfunc uniphier_calc_core_pos
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func plat_my_core_pos
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mrs x0, mpidr_el1
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b uniphier_calc_core_pos
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endfunc plat_my_core_pos
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func platform_mem_init
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ret
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endfunc platform_mem_init
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