GIC: Add API to set interrupt priority
API documentation updated.
Change-Id: Ib700eb1b8ca65503aeed0ac4ce0e7b934df67ff9
Co-authored-by: Yousuf A <yousuf.sait@arm.com>
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
diff --git a/drivers/arm/gic/v2/gicv2_main.c b/drivers/arm/gic/v2/gicv2_main.c
index e0058ad..4861e02 100644
--- a/drivers/arm/gic/v2/gicv2_main.c
+++ b/drivers/arm/gic/v2/gicv2_main.c
@@ -322,3 +322,16 @@
gicd_set_icenabler(driver_data->gicd_base, id);
dsbishst();
}
+
+/*******************************************************************************
+ * This function sets the interrupt priority as supplied for the given interrupt
+ * id.
+ ******************************************************************************/
+void gicv2_set_interrupt_priority(unsigned int id, unsigned int priority)
+{
+ assert(driver_data);
+ assert(driver_data->gicd_base);
+ assert(id <= MAX_SPI_ID);
+
+ gicd_set_ipriorityr(driver_data->gicd_base, id, priority);
+}
diff --git a/drivers/arm/gic/v3/gicv3_main.c b/drivers/arm/gic/v3/gicv3_main.c
index b323199..d0ecab6 100644
--- a/drivers/arm/gic/v3/gicv3_main.c
+++ b/drivers/arm/gic/v3/gicv3_main.c
@@ -869,3 +869,26 @@
dsbishst();
}
+
+/*******************************************************************************
+ * This function sets the interrupt priority as supplied for the given interrupt
+ * id.
+ ******************************************************************************/
+void gicv3_set_interrupt_priority(unsigned int id, unsigned int proc_num,
+ unsigned int priority)
+{
+ uintptr_t gicr_base;
+
+ assert(gicv3_driver_data);
+ assert(gicv3_driver_data->gicd_base);
+ assert(proc_num < gicv3_driver_data->rdistif_num);
+ assert(gicv3_driver_data->rdistif_base_addrs);
+ assert(id <= MAX_SPI_ID);
+
+ if (id < MIN_SPI_ID) {
+ gicr_base = gicv3_driver_data->rdistif_base_addrs[proc_num];
+ gicr_set_ipriorityr(gicr_base, id, priority);
+ } else {
+ gicd_set_ipriorityr(gicv3_driver_data->gicd_base, id, priority);
+ }
+}