arch/arm/mach-ixp23xx/include/mach/entry-macro.S

   1 /*
   2  * arch/arm/mach-ixp23xx/include/mach/entry-macro.S
   3  */
   4
   5                 .macro  get_irqnr_preamble, base, tmp
   6                 .endm
   7
   8                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
   9                 ldr     \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
  10                 ldr     \irqnr, [\irqnr]        @ get interrupt number
  11                 cmp     \irqnr, #0x0            @ spurious interrupt ?
  12                 movne   \irqnr, \irqnr, lsr #2  @ skip unwanted low order bits
  13                 subne   \irqnr, \irqnr, #1      @ convert to 0 based
  14
  15 #if 0
  16                 cmp     \irqnr, #IRQ_IXP23XX_PCI_INT_RPH
  17                 bne     1001f
  18                 mov     \irqnr, #IRQ_IXP23XX_INTA
  19
  20                 ldr     \irqnr, =0xf5000030
  21
  22                 mov     \tmp, #(1<<26)
  23                 tst     \irqnr, \tmp
  24                 movne   \irqnr, #IRQ_IXP23XX_INTB
  25
  26                 mov     \tmp, #(1<<27)
  27                 tst     \irqnr, \tmp
  28                 movne   \irqnr, #IRQ_IXP23XX_INTA
  29 1001:
  30 #endif
  31                 .endm