ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/mips/kernel/i8253.c b/marvell/linux/arch/mips/kernel/i8253.c
new file mode 100644
index 0000000..df7ddd2
--- /dev/null
+++ b/marvell/linux/arch/mips/kernel/i8253.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * i8253.c 8253/PIT functions
+ *
+ */
+#include <linux/clockchips.h>
+#include <linux/i8253.h>
+#include <linux/export.h>
+#include <linux/smp.h>
+#include <linux/irq.h>
+
+#include <asm/time.h>
+
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
+{
+ i8253_clockevent.event_handler(&i8253_clockevent);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction irq0 = {
+ .handler = timer_interrupt,
+ .flags = IRQF_NOBALANCING | IRQF_TIMER,
+ .name = "timer"
+};
+
+void __init setup_pit_timer(void)
+{
+ clockevent_i8253_init(true);
+ setup_irq(0, &irq0);
+}
+
+static int __init init_pit_clocksource(void)
+{
+ if (num_possible_cpus() > 1 || /* PIT does not scale! */
+ !clockevent_state_periodic(&i8253_clockevent))
+ return 0;
+
+ return clocksource_i8253_init();
+}
+arch_initcall(init_pit_clocksource);