50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
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/*
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* Common tx4927 irq handler
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*
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* Author: MontaVista Software, Inc.
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* source@mvista.com
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*
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <asm/irq_cpu.h>
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#include <asm/txx9/tx4927.h>
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void __init tx4927_irq_init(void)
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{
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int i;
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mips_cpu_irq_init();
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txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL);
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irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
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handle_simple_irq);
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/* raise priority for errors, timers, SIO */
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txx9_irq_set_pri(TX4927_IR_ECCERR, 7);
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txx9_irq_set_pri(TX4927_IR_WTOERR, 7);
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txx9_irq_set_pri(TX4927_IR_PCIERR, 7);
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txx9_irq_set_pri(TX4927_IR_PCIPME, 7);
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for (i = 0; i < TX4927_NUM_IR_TMR; i++)
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txx9_irq_set_pri(TX4927_IR_TMR(i), 6);
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for (i = 0; i < TX4927_NUM_IR_SIO; i++)
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txx9_irq_set_pri(TX4927_IR_SIO(i), 5);
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}
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