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 32 void __init tx4927_irq_init(void) 33 { 34 int i; 35 36 mips_cpu_irq_init(); 37 txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL); 38 set_irq_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