1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Copyright 2011 Freescale Semiconductor, Inc. 4 * Copyright 2011 Linaro Ltd. 5 */ 6 7#include <linux/linkage.h> 8#include <linux/init.h> 9#include <asm/assembler.h> 10 11diag_reg_offset: 12 .word g_diag_reg - . 13 14 .macro set_diag_reg 15 adr r0, diag_reg_offset 16 ldr r1, [r0] 17 add r1, r1, r0 @ r1 = physical &g_diag_reg 18 ldr r0, [r1] 19 mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register 20 .endm 21 22ENTRY(v7_secondary_startup) 23ARM_BE8(setend be) @ go BE8 if entered LE 24 set_diag_reg 25 b secondary_startup 26ENDPROC(v7_secondary_startup) 27