1/*
2 * Low-level IRQ helper macros for TI DaVinci-based platforms
3 *
4 * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
5 *
6 * 2007 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11#include <mach/io.h>
12#include <mach/irqs.h>
13
14		.macro	disable_fiq
15		.endm
16
17		.macro  get_irqnr_preamble, base, tmp
18		ldr \base, =davinci_intc_base
19		ldr \base, [\base]
20		.endm
21
22		.macro  arch_ret_to_user, tmp1, tmp2
23		.endm
24
25		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
26#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC)
27		ldr \tmp, =davinci_intc_type
28		ldr \tmp, [\tmp]
29		cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC
30		beq 1001f
31#endif
32#if defined(CONFIG_AINTC)
33		ldr \tmp, [\base, #0x14]
34		movs \tmp, \tmp, lsr #2
35		sub \irqnr, \tmp, #1
36		b 1002f
37#endif
38#if defined(CONFIG_CP_INTC)
391001:		ldr \irqnr, [\base, #0x80] /* get irq number */
40		and \irqnr, \irqnr, #0xff  /* irq is in bits 0-9 */
41		mov \tmp, \irqnr, lsr #3
42		and \tmp, \tmp, #0xfc
43		add \tmp, \tmp, #0x280 /* get the register offset */
44		ldr \irqstat, [\base, \tmp] /* get the intc status */
45		cmp \irqstat, #0x0
46#endif
471002:
48		.endm
49
50		.macro	irq_prio_table
51		.endm
52