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/*
* Low-level IRQ helper macros for TI DaVinci-based platforms
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. 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/irqs.h>
.macro get_irqnr_preamble, base, tmp
ldr \base, =davinci_intc_base
ldr \base, [\base]
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC)
ldr \tmp, =davinci_intc_type
ldr \tmp, [\tmp]
cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC
beq 1001f
#endif
#if defined(CONFIG_AINTC)
ldr \tmp, [\base, #0x14]
movs \tmp, \tmp, lsr #2
sub \irqnr, \tmp, #1
b 1002f
#endif
#if defined(CONFIG_CP_INTC)
1001: ldr \irqnr, [\base, #0x80] /* get irq number */
mov \tmp, \irqnr, lsr #31
and \irqnr, \irqnr, #0xff /* irq is in bits 0-9 */
and \tmp, \tmp, #0x1
cmp \tmp, #0x1
#endif
1002:
.endm
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