| Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 1 | /* | 
 | 2 |  *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> | 
 | 3 |  * | 
 | 4 |  *  This program is free software; you can redistribute  it and/or modify it | 
 | 5 |  *  under  the terms of  the GNU General  Public License as published by the | 
 | 6 |  *  Free Software Foundation;  either version 2 of the  License, or (at your | 
 | 7 |  *  option) any later version. | 
 | 8 |  * | 
 | 9 |  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED | 
 | 10 |  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF | 
 | 11 |  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN | 
 | 12 |  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT, | 
 | 13 |  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
 | 14 |  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF | 
 | 15 |  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | 
 | 16 |  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT | 
 | 17 |  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
 | 18 |  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 | 19 |  * | 
 | 20 |  *  You should have received a copy of the  GNU General Public License along | 
 | 21 |  *  with this program; if not, write  to the Free Software Foundation, Inc., | 
 | 22 |  *  675 Mass Ave, Cambridge, MA 02139, USA. | 
 | 23 |  */ | 
 | 24 |  | 
 | 25 | #include <linux/types.h> | 
 | 26 | #include <linux/interrupt.h> | 
 | 27 | #include <linux/irq.h> | 
 | 28 | #include <asm/irq_cpu.h> | 
 | 29 |  | 
 | 30 | void plat_irq_dispatch(void) | 
 | 31 | { | 
 | 32 | 	u32 cause; | 
 | 33 |  | 
 | 34 | 	cause = read_c0_cause() & read_c0_status() & CAUSEF_IP; | 
 | 35 |  | 
 | 36 | 	clear_c0_status(cause); | 
 | 37 |  | 
 | 38 | 	if (cause & CAUSEF_IP7) | 
 | 39 | 		do_IRQ(7); | 
 | 40 | 	if (cause & CAUSEF_IP2) | 
 | 41 | 		do_IRQ(2); | 
 | 42 | 	if (cause & CAUSEF_IP3) | 
 | 43 | 		do_IRQ(3); | 
 | 44 | 	if (cause & CAUSEF_IP4) | 
 | 45 | 		do_IRQ(4); | 
 | 46 | 	if (cause & CAUSEF_IP5) | 
 | 47 | 		do_IRQ(5); | 
 | 48 | 	if (cause & CAUSEF_IP6) | 
 | 49 | 		do_IRQ(6); | 
 | 50 | } | 
 | 51 |  | 
 | 52 | void __init arch_init_irq(void) | 
 | 53 | { | 
 | 54 | 	mips_cpu_irq_init(); | 
 | 55 | } |