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

   1 /*
   2  * Low-level IRQ helper macros for Freescale MXS-based
   3  *
   4  * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include <mach/mxs.h>
  22
  23 #define MXS_ICOLL_VBASE         MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR)
  24 #define HW_ICOLL_STAT_OFFSET    0x70
  25
  26         .macro  disable_fiq
  27         .endm
  28
  29         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  30         ldr     \irqnr, [\base, #HW_ICOLL_STAT_OFFSET]
  31         cmp     \irqnr, #0x7F
  32         strne   \irqnr, [\base]
  33         moveqs  \irqnr, #0
  34         .endm
  35
  36         .macro  get_irqnr_preamble, base, tmp
  37         ldr     \base, =MXS_ICOLL_VBASE
  38         .endm
  39
  40         .macro  arch_ret_to_user, tmp1, tmp2
  41         .endm