1/*
2 * arch/arm/mach-shark/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for Shark platform
5 *
6 * This file is licensed under  the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10		.macro  get_irqnr_preamble, base, tmp
11		mov	\base, #0xe0000000
12		.endm
13
14		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
15
16		mov	\irqstat, #0x0C
17		strb	\irqstat, [\base, #0x20]	@outb(0x0C, 0x20) /* Poll command */
18		ldrb	\irqnr, [\base, #0x20]		@irq = inb(0x20) & 7
19		and	\irqstat, \irqnr, #0x80
20		teq	\irqstat, #0
21		beq	43f
22		and	\irqnr, \irqnr, #7
23		teq	\irqnr, #2
24		bne	44f
2543:		mov	\irqstat, #0x0C
26		strb	\irqstat, [\base, #0xa0]	@outb(0x0C, 0xA0) /* Poll command */
27		ldrb	\irqnr, [\base, #0xa0]		@irq = (inb(0xA0) & 7) + 8
28		and	\irqstat, \irqnr, #0x80
29		teq	\irqstat, #0
30		beq	44f
31		and	\irqnr, \irqnr, #7
32		add	\irqnr, \irqnr, #8
3344:		teq	\irqstat, #0
34		.endm
35
36