arch/blackfin/include/asm/smp.h

   1 /*
   2  * Copyright 2007-2009 Analog Devices Inc.
   3  *                          Philippe Gerum <rpm@xenomai.org>
   4  *
   5  * Licensed under the GPL-2 or later.
   6  */
   7
   8 #ifndef __ASM_BLACKFIN_SMP_H
   9 #define __ASM_BLACKFIN_SMP_H
  10
  11 #include <linux/kernel.h>
  12 #include <linux/threads.h>
  13 #include <linux/cpumask.h>
  14 #include <linux/cache.h>
  15 #include <asm/blackfin.h>
  16 #include <mach/smp.h>
  17
  18 #define raw_smp_processor_id()  blackfin_core_id()
  19
  20 extern void bfin_relocate_coreb_l1_mem(void);
  21
  22 #if defined(CONFIG_SMP) && defined(CONFIG_ICACHE_FLUSH_L1)
  23 asmlinkage void blackfin_icache_flush_range_l1(unsigned long *ptr);
  24 extern unsigned long blackfin_iflush_l1_entry[NR_CPUS];
  25 #endif
  26
  27 struct corelock_slot {
  28         int lock;
  29 };
  30 extern struct corelock_slot corelock;
  31
  32 #ifdef __ARCH_SYNC_CORE_ICACHE
  33 extern unsigned long icache_invld_count[NR_CPUS];
  34 #endif
  35 #ifdef __ARCH_SYNC_CORE_DCACHE
  36 extern unsigned long dcache_invld_count[NR_CPUS];
  37 #endif
  38
  39 void smp_icache_flush_range_others(unsigned long start,
  40                                    unsigned long end);
  41 #ifdef CONFIG_HOTPLUG_CPU
  42 void coreb_die(void);
  43 void cpu_die(void);
  44 void platform_cpu_die(void);
  45 int __cpu_disable(void);
  46 int __cpu_die(unsigned int cpu);
  47 #endif
  48
  49 #endif /* !__ASM_BLACKFIN_SMP_H */