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Diffstat (limited to 'arch/mips/qemu/q-setup.c')
-rw-r--r--arch/mips/qemu/q-setup.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/qemu/q-setup.c b/arch/mips/qemu/q-setup.c
new file mode 100644
index 000000000000..1a80eee8cd35
--- /dev/null
+++ b/arch/mips/qemu/q-setup.c
@@ -0,0 +1,20 @@
+#include <linux/init.h>
+#include <asm/io.h>
+#include <asm/time.h>
+
+#define QEMU_PORT_BASE 0xb4000000
+
+static void __init qemu_timer_setup(struct irqaction *irq)
+{
+ /* set the clock to 100 Hz */
+ outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */
+ outb_p(LATCH & 0xff , 0x40); /* LSB */
+ outb(LATCH >> 8 , 0x40); /* MSB */
+ setup_irq(0, irq);
+}
+
+void __init plat_setup(void)
+{
+ set_io_port_base(QEMU_PORT_BASE);
+ board_timer_setup = qemu_timer_setup;
+}