entry-macro.S 840 B

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  1. /*
  2. * include/asm-arm/arch-pxa/entry-macro.S
  3. *
  4. * Low-level IRQ helper macros for PXA-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. .macro disable_fiq
  11. .endm
  12. .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
  13. #ifdef CONFIG_PXA27x
  14. mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
  15. mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
  16. #else
  17. mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
  18. add \base, \base, #0x00d00000
  19. ldr \irqstat, [\base, #0] @ ICIP
  20. ldr \irqnr, [\base, #4] @ ICMR
  21. #endif
  22. ands \irqnr, \irqstat, \irqnr
  23. beq 1001f
  24. rsb \irqstat, \irqnr, #0
  25. and \irqstat, \irqstat, \irqnr
  26. clz \irqnr, \irqstat
  27. rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
  28. 1001:
  29. .endm