ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/sh/kernel/cpu/sh4a/intc-shx3.c b/marvell/linux/arch/sh/kernel/cpu/sh4a/intc-shx3.c
new file mode 100644
index 0000000..eea87d2
--- /dev/null
+++ b/marvell/linux/arch/sh/kernel/cpu/sh4a/intc-shx3.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Shared support for SH-X3 interrupt controllers.
+ *
+ * Copyright (C) 2009 - 2010 Paul Mundt
+ */
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/init.h>
+
+#define INTACK 0xfe4100b8
+#define INTACKCLR 0xfe4100bc
+#define INTC_USERIMASK 0xfe411000
+
+#ifdef CONFIG_INTC_BALANCING
+unsigned int irq_lookup(unsigned int irq)
+{
+ return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;
+}
+
+void irq_finish(unsigned int irq)
+{
+ __raw_writel(irq2evt(irq), INTACKCLR);
+}
+#endif
+
+static int __init shx3_irq_setup(void)
+{
+ return register_intc_userimask(INTC_USERIMASK);
+}
+arch_initcall(shx3_irq_setup);