blob: 41c1efe218035fd28f05e7e0bd4e31a6292d7613 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
#include <asm.S>
#include <arm.h>
#include <arm32_macros.S>
/* For Juno number the two A57s as 4 to 5 and A53s as 0 to 3 */
FUNC get_core_pos_mpidr , :
UNWIND( .fnstart)
/* Calculate CorePos = ((ClusterId ^ 1) * 4) + CoreId */
and r1, r0, #MPIDR_CPU_MASK
and r0, r0, #MPIDR_CLUSTER_MASK
eor r0, r0, #(1 << MPIDR_CLUSTER_SHIFT)
add r0, r1, r0, LSR #6
bx lr
UNWIND( .fnend)
END_FUNC get_core_pos_mpidr
|
