36 lines
1.2 KiB
ArmAsm
36 lines
1.2 KiB
ArmAsm
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/*
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* Low-level IRQ helper macros for Freescale MXS-based
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*
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* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <mach/mxs.h>
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#define MXS_ICOLL_VBASE MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR)
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#define HW_ICOLL_STAT_OFFSET 0x70
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \irqnr, [\base, #HW_ICOLL_STAT_OFFSET]
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cmp \irqnr, #0x7F
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strne \irqnr, [\base]
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moveqs \irqnr, #0
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.endm
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.macro get_irqnr_preamble, base, tmp
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ldr \base, =MXS_ICOLL_VBASE
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.endm
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