Merge remote-tracking branches 'regulator/fix/da9211', 'regulator/fix/ltc3589' and...
[sfrench/cifs-2.6.git] / arch / arm / mach-exynos / headsmp.S
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  */
20 ENTRY(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
27 pen:    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
36 ENDPROC(exynos4_secondary_startup)
37
38         .align 2
39 1:      .long   .
40         .long   pen_release