diff options
Diffstat (limited to 'kernel/arch/mips/txx9/generic/irq_tx4927.c')
| -rw-r--r-- | kernel/arch/mips/txx9/generic/irq_tx4927.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/kernel/arch/mips/txx9/generic/irq_tx4927.c b/kernel/arch/mips/txx9/generic/irq_tx4927.c new file mode 100644 index 000000000..ed8e702d4 --- /dev/null +++ b/kernel/arch/mips/txx9/generic/irq_tx4927.c @@ -0,0 +1,49 @@ +/* + * 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); +} |