summaryrefslogtreecommitdiff
path: root/arch/mips/bmips/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/bmips/irq.c')
-rw-r--r--arch/mips/bmips/irq.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/bmips/irq.c b/arch/mips/bmips/irq.c
new file mode 100644
index 000000000000..14552e58ff7e
--- /dev/null
+++ b/arch/mips/bmips/irq.c
@@ -0,0 +1,38 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * Copyright (C) 2014 Broadcom Corporation
+ * Author: Kevin Cernekee <cernekee@gmail.com>
+ */
+
+#include <linux/of.h>
+#include <linux/irqchip.h>
+
+#include <asm/bmips.h>
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+#include <asm/time.h>
+
+unsigned int get_c0_compare_int(void)
+{
+ return CP0_LEGACY_COMPARE_IRQ;
+}
+
+void __init arch_init_irq(void)
+{
+ struct device_node *dn;
+
+ /* Only the STB (bcm7038) controller supports SMP IRQ affinity */
+ dn = of_find_compatible_node(NULL, NULL, "brcm,bcm7038-l1-intc");
+ if (dn)
+ of_node_put(dn);
+ else
+ bmips_tp1_irqs = 0;
+
+ irqchip_init();
+}
+
+OF_DECLARE_2(irqchip, mips_cpu_intc, "mti,cpu-interrupt-controller",
+ mips_cpu_irq_of_init);