| /* |
| * 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/io.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 |
| |
