1/*
2 *
3 *  Cloned from linux/arch/arm/mach-realview/headsmp.S
4 *
5 *  Copyright (c) 2003 ARM Limited
6 *  All Rights Reserved
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12#include <linux/linkage.h>
13#include <linux/init.h>
14
15/*
16 * exynos4 specific entry point for secondary CPUs.  This provides
17 * a "holding pen" into which all secondary cores are held until we're
18 * ready for them to initialise.
19 */
20ENTRY(exynos4_secondary_startup)
21	mrc	p15, 0, r0, c0, c0, 5
22	and	r0, r0, #15
23	adr	r4, 1f
24	ldmia	r4, {r5, r6}
25	sub	r4, r4, r5
26	add	r6, r6, r4
27pen:	ldr	r7, [r6]
28	cmp	r7, r0
29	bne	pen
30
31	/*
32	 * we've been released from the holding pen: secondary_stack
33	 * should now contain the SVC stack for this core
34	 */
35	b	secondary_startup
36ENDPROC(exynos4_secondary_startup)
37
38	.align 2
391:	.long	.
40	.long	pen_release
41