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int: Set default ARC interrupts to lowest priority to start

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The code was setting the interrupt priority to 1 for each
vector to start. But I think it might be more appropriate
to set it to the LOWEST priority. Some ARCs will have
upwards to 15 priorities.

Change-Id: I9330ec8df323fe04ba0751faaafa39694f012364
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
This commit is contained in:
Chuck Jordan 2016-06-01 17:52:11 -07:00 • committed by Anas Nashif
commit db6adc6d2e
1 changed files with 2 additions and 1 deletions
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3
drivers/interrupt_controller/arcv2_irq_unit.c
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@ -49,7 +49,8 @@ void _arc_v2_irq_unit_init(void)
for (irq = 16; irq < CONFIG_NUM_IRQS; irq++) {
_arc_v2_aux_reg_write(_ARC_V2_IRQ_SELECT, irq);
_arc_v2_aux_reg_write(_ARC_V2_IRQ_PRIORITY, 1);
_arc_v2_aux_reg_write(_ARC_V2_IRQ_PRIORITY,
(CONFIG_NUM_IRQ_PRIO_LEVELS-1)); /* lowest priority */
_arc_v2_aux_reg_write(_ARC_V2_IRQ_ENABLE, _ARC_V2_INT_DISABLE);
_arc_v2_aux_reg_write(_ARC_V2_IRQ_TRIGGER, _ARC_V2_INT_LEVEL);
}