1/*
2 * Common tx4927 irq handler
3 *
4 * Author: MontaVista Software, Inc.
5 *	   source@mvista.com
6 *
7 *  under the terms of the GNU General Public License as published by the
8 *  Free Software Foundation; either version 2 of the License, or (at your
9 *  option) any later version.
10 *
11 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
12 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
16 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
17 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
18 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
19 *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
20 *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21 *
22 *  You should have received a copy of the GNU General Public License along
23 *  with this program; if not, write to the Free Software Foundation, Inc.,
24 *  675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26#include <linux/init.h>
27#include <linux/interrupt.h>
28#include <linux/irq.h>
29#include <asm/irq_cpu.h>
30#include <asm/txx9/tx4927.h>
31
32void __init tx4927_irq_init(void)
33{
34	int i;
35
36	mips_cpu_irq_init();
37	txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL);
38	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
39				handle_simple_irq);
40	/* raise priority for errors, timers, SIO */
41	txx9_irq_set_pri(TX4927_IR_ECCERR, 7);
42	txx9_irq_set_pri(TX4927_IR_WTOERR, 7);
43	txx9_irq_set_pri(TX4927_IR_PCIERR, 7);
44	txx9_irq_set_pri(TX4927_IR_PCIPME, 7);
45	for (i = 0; i < TX4927_NUM_IR_TMR; i++)
46		txx9_irq_set_pri(TX4927_IR_TMR(i), 6);
47	for (i = 0; i < TX4927_NUM_IR_SIO; i++)
48		txx9_irq_set_pri(TX4927_IR_SIO(i), 5);
49}
50