linux-stable/arch/arm/mach-prima2/headsmp.S
Thomas Gleixner a636cd6c42 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4
Based on 1 normalized pattern(s):

  licensed under gplv2 or later

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 118 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154040.961286471@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:40 +02:00

36 lines
992 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Entry of the second core for CSR Marco dual-core SMP SoCs
*
* Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
*/
#include <linux/linkage.h>
#include <linux/init.h>
/*
* SIRFSOC specific entry point for secondary CPUs. This provides
* a "holding pen" into which all secondary cores are held until we're
* ready for them to initialise.
*/
ENTRY(sirfsoc_secondary_startup)
mrc p15, 0, r0, c0, c0, 5
and r0, r0, #15
adr r4, 1f
ldmia r4, {r5, r6}
sub r4, r4, r5
add r6, r6, r4
pen: ldr r7, [r6]
cmp r7, r0
bne pen
/*
* we've been released from the holding pen: secondary_stack
* should now contain the SVC stack for this core
*/
b secondary_startup
ENDPROC(sirfsoc_secondary_startup)
.align
1: .long .
.long prima2_pen_release