/* * Common tx4927 irq handler * * Author: MontaVista Software, Inc. * source@mvista.com * * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA.
*/ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <asm/irq_cpu.h> #include <asm/txx9/tx4927.h>
void __init tx4927_irq_init(void)
{ int i;
mips_cpu_irq_init();
txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL);
irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
handle_simple_irq); /* raise priority for errors, timers, SIO */
txx9_irq_set_pri(TX4927_IR_ECCERR, 7);
txx9_irq_set_pri(TX4927_IR_WTOERR, 7);
txx9_irq_set_pri(TX4927_IR_PCIERR, 7);
txx9_irq_set_pri(TX4927_IR_PCIPME, 7); for (i = 0; i < TX4927_NUM_IR_TMR; i++)
txx9_irq_set_pri(TX4927_IR_TMR(i), 6); for (i = 0; i < TX4927_NUM_IR_SIO; i++)
txx9_irq_set_pri(TX4927_IR_SIO(i), 5);
}
Messung V0.5
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