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- /*
- * arch/arm/mach-omap1/include/mach/entry-macro.S
- *
- * Low-level IRQ helper macros for OMAP-based platforms
- *
- * Copyright (C) 2009 Texas Instruments
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
- #include <mach/hardware.h>
- #include <mach/irqs.h>
- #include "../../iomap.h"
- .macro get_irqnr_preamble, base, tmp
- .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
- ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
- ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
- mov \irqstat, #0xffffffff
- bic \tmp, \irqstat, \tmp
- tst \irqnr, \tmp
- beq 1510f
- ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
- ldr \tmp, =omap_irq_flags @ irq flags address
- ldr \tmp, [\tmp, #0] @ irq flags value
- cmp \irqnr, #0
- ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
- cmpeq \irqnr, \tmp
- ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
- ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
- addeqs \irqnr, \irqnr, #32
- 1510:
- .endm
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