32 lines
719 B
ArmAsm
32 lines
719 B
ArmAsm
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/*
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* arch/arm/mach-ixp23xx/include/mach/entry-macro.S
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*/
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.macro get_irqnr_preamble, base, tmp
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
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ldr \irqnr, [\irqnr] @ get interrupt number
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cmp \irqnr, #0x0 @ spurious interrupt ?
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movne \irqnr, \irqnr, lsr #2 @ skip unwanted low order bits
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subne \irqnr, \irqnr, #1 @ convert to 0 based
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#if 0
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cmp \irqnr, #IRQ_IXP23XX_PCI_INT_RPH
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bne 1001f
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mov \irqnr, #IRQ_IXP23XX_INTA
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ldr \irqnr, =0xf5000030
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mov \tmp, #(1<<26)
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tst \irqnr, \tmp
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movne \irqnr, #IRQ_IXP23XX_INTB
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mov \tmp, #(1<<27)
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tst \irqnr, \tmp
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movne \irqnr, #IRQ_IXP23XX_INTA
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1001:
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#endif
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.endm
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