diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap1/include/mach/entry-macro.S')
| -rw-r--r-- | kernel/arch/arm/mach-omap1/include/mach/entry-macro.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S new file mode 100644 index 000000000..78a8c6c24 --- /dev/null +++ b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S @@ -0,0 +1,39 @@ +/* + * 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> + + .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 + |