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kernel add
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/*
* 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);
}
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