include/asm-arm/arch-iop33x/entry-macro.S

   1 /*
   2  * include/asm-arm/arch-iop33x/entry-macro.S
   3  *
   4  * Low-level IRQ helper macros for IOP33x-based platforms
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2. This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10 #include <asm/arch/iop33x.h>
  11
  12                 .macro  disable_fiq
  13                 .endm
  14
  15                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  16                 ldr     \base, =IOP3XX_REG_ADDR(0x07C8)
  17                 ldr     \irqstat, [\base]               @ Read IINTVEC
  18                 cmp     \irqstat, #0
  19                 ldreq   \irqstat, [\base]               @ erratum 63 workaround
  20                 adds    \irqnr, \irqstat, #1
  21                 movne   \irqnr, \irqstat, lsr #2
  22                 .endm