linux/arch/arm/mach-imx/headsmp.S

27 lines
573 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
diag_reg_offset:
.word g_diag_reg - .
.macro set_diag_reg
adr r0, diag_reg_offset
ldr r1, [r0]
add r1, r1, r0 @ r1 = physical &g_diag_reg
ldr r0, [r1]
mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
.endm
ENTRY(v7_secondary_startup)
ARM_BE8(setend be) @ go BE8 if entered LE
set_diag_reg
b secondary_startup
ENDPROC(v7_secondary_startup)