1/* 2 * arch/arm/mach-omap1/include/mach/entry-macro.S 3 * 4 * Low-level IRQ helper macros for OMAP-based platforms 5 * 6 * Copyright (C) 2009 Texas Instruments 7 * 8 * This file is licensed under the terms of the GNU General Public 9 * License version 2. This program is licensed "as is" without any 10 * warranty of any kind, whether express or implied. 11 */ 12 13#include <mach/hardware.h> 14#include <mach/irqs.h> 15 16 .macro get_irqnr_preamble, base, tmp 17 .endm 18 19 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 20 ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE) 21 ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET] 22 ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET] 23 mov \irqstat, #0xffffffff 24 bic \tmp, \irqstat, \tmp 25 tst \irqnr, \tmp 26 beq 1510f 27 28 ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] 29 ldr \tmp, =omap_irq_flags @ irq flags address 30 ldr \tmp, [\tmp, #0] @ irq flags value 31 cmp \irqnr, #0 32 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] 33 cmpeq \irqnr, \tmp 34 ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE) 35 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] 36 addeqs \irqnr, \irqnr, #32 371510: 38 .endm 39 40