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-rw-r--r--arch/arm/mach-ux500/include/mach/smp.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/smp.h b/arch/arm/mach-ux500/include/mach/smp.h
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@@ -0,0 +1,32 @@
1/*
2 * This file is based ARM realview platform.
3 * Copyright (C) ARM Limited.
4 *
5 * This file is licensed under the terms of the GNU General Public
6 * License version 2. This program is licensed "as is" without any
7 * warranty of any kind, whether express or implied.
8 */
9#ifndef ASMARM_ARCH_SMP_H
10#define ASMARM_ARCH_SMP_H
11
12#include <asm/hardware/gic.h>
13
14/* This is required to wakeup the secondary core */
15extern void u8500_secondary_startup(void);
16
17#define hard_smp_processor_id() \
18 ({ \
19 unsigned int cpunum; \
20 __asm__("mrc p15, 0, %0, c0, c0, 5" \
21 : "=r" (cpunum)); \
22 cpunum &= 0x0F; \
23 })
24
25/*
26 * We use IRQ1 as the IPI
27 */
28static inline void smp_cross_call(const struct cpumask *mask)
29{
30 gic_raise_softirq(mask, 1);
31}
32#endif