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-rw-r--r--arch/arm/mach-netx/include/mach/entry-macro.S41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/include/mach/entry-macro.S b/arch/arm/mach-netx/include/mach/entry-macro.S
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1/*
2 * arch/arm/mach-netx/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for Hilscher netX based platforms
5 *
6 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#include <mach/hardware.h>
22
23 .macro disable_fiq
24 .endm
25
26 .macro get_irqnr_preamble, base, tmp
27 .endm
28
29 .macro arch_ret_to_user, tmp1, tmp2
30 .endm
31
32 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
33 mov \base, #io_p2v(0x00100000)
34 add \base, \base, #0x000ff000
35
36 ldr \irqstat, [\base, #0]
37 clz \irqnr, \irqstat
38 rsb \irqnr, \irqnr, #31
39 cmp \irqstat, #0
40 .endm
41