arch/arm/plat-omap/include/plat/smp.h

   1 /*
   2  * OMAP4 machine specific smp.h
   3  *
   4  * Copyright (C) 2009 Texas Instruments, Inc.
   5  *
   6  * Author:
   7  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   8  *
   9  * Interface functions needed for the SMP. This file is based on arm
  10  * realview smp platform.
  11  * Copyright (c) 2003 ARM Limited.
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17 #ifndef OMAP_ARCH_SMP_H
  18 #define OMAP_ARCH_SMP_H
  19
  20 #include <asm/hardware/gic.h>
  21 #include <asm/smp_mpidr.h>
  22
  23 /* Needed for secondary core boot */
  24 extern void omap_secondary_startup(void);
  25 extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
  26 extern void omap_auxcoreboot_addr(u32 cpu_addr);
  27 extern u32 omap_read_auxcoreboot0(void);
  28
  29 /*
  30  * We use Soft IRQ1 as the IPI
  31  */
  32 static inline void smp_cross_call(const struct cpumask *mask)
  33 {
  34         gic_raise_softirq(mask, 1);
  35 }
  36
  37 #endif