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#include <mach/hardware.h>
13#include <mach/io.h>
14#include <mach/irqs.h>
15#include <asm/hardware/gic.h>
16
17 		.macro	disable_fiq
18		.endm
19
20		.macro  get_irqnr_preamble, base, tmp
21		.endm
22
23		.macro  arch_ret_to_user, tmp1, tmp2
24		.endm
25
26		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
27		ldr	\base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
28		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET]
29		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET]
30		mov	\irqstat, #0xffffffff
31		bic	\tmp, \irqstat, \tmp
32		tst	\irqnr, \tmp
33		beq	1510f
34
35		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
36		ldr	\tmp, =omap_irq_flags	@ irq flags address
37		ldr	\tmp, [\tmp, #0]	@ irq flags value
38		cmp	\irqnr, #0
39		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
40		cmpeq	\irqnr, \tmp
41		ldreq	\base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
42		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
43		addeqs	\irqnr, \irqnr, #32
441510:
45		.endm
46
47