arch/risc-v/src/mpfs/mpfs_irq.c: Default global interrupt priorities

apache · Nov 19, 2024 · bd70744 · bd70744
1 parent 6a19264
commit bd70744
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/arch/risc-v/src/mpfs/mpfs_irq.c b/arch/risc-v/src/mpfs/mpfs_irq.c
@@ -63,6 +63,13 @@ void up_irqinitialize(void)
   riscv_stack_color(g_intstackalloc, intstack_size);
 #endif
 
+  /* Set priority for all global interrupts to 1 (lowest) */
+
+  for (int id = 1; id <= NR_IRQS; id++)
+    {
+      putreg32(1, MPFS_PLIC_PRIORITY + (4 * id));
+    }
+
   /* Attach the common interrupt handler */
 
   riscv_exception_attach();