release/src-rt-6.x.4708/linux/linux-2.6.36/arch/blackfin/include/asm/irq.h

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2003 HuTao
   4  *                2002 Arcturus Networks Inc. (www.arcturusnetworks.com
   5  *                       Ted Ma <mated@sympatico.ca>
   6  *
   7  * Licensed under the GPL-2
   8  */
   9
  10 #ifndef _BFIN_IRQ_H_
  11 #define _BFIN_IRQ_H_
  12
  13 #include <linux/irqflags.h>
  14
  15 /* IRQs that may be used by external irq_chip controllers */
  16 #define NR_SPARE_IRQS   32
  17
  18 #include <mach/anomaly.h>
  19
  20 /* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h> */
  21 #include <mach/irq.h>
  22
  23 #if ANOMALY_05000244 && defined(CONFIG_BFIN_ICACHE)
  24 # define NOP_PAD_ANOMALY_05000244 "nop; nop;"
  25 #else
  26 # define NOP_PAD_ANOMALY_05000244
  27 #endif
  28
  29 #define idle_with_irq_disabled() \
  30         __asm__ __volatile__( \
  31                 NOP_PAD_ANOMALY_05000244 \
  32                 ".align 8;" \
  33                 "sti %0;" \
  34                 "idle;" \
  35                 : \
  36                 : "d" (bfin_irq_flags) \
  37         )
  38
  39 #include <asm-generic/irq.h>
  40
  41 #ifdef CONFIG_NMI_WATCHDOG
  42 # define ARCH_HAS_NMI_WATCHDOG
  43 #endif
  44
  45 #endif                          /* _BFIN_IRQ_H_ */