--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nuc-fw/nucleus/tmcal.c	Sun Aug 11 07:17:25 2013 +0000
@@ -0,0 +1,23 @@
+/*
+ * FreeNucleus port by Spacefalcon the Outlaw
+ *
+ * This module implements the INT_Timer_Initialize() function
+ * for the proof-of-concept Calypso port.
+ *
+ * TIMER2 configuration is based on that used by OsmocomBB.
+ */
+
+#include "calirq.h"
+#include "caltimer.h"
+
+void
+INT_Timer_Initialize()
+{
+	/* program the timer */
+	TIMER2_REGS.cntl = CNTL_CLOCK_ENABLE;
+	TIMER2_REGS.load = 4062;
+	TIMER2_REGS.cntl = CNTL_CLOCK_ENABLE | CNTL_AUTO_RELOAD | CNTL_START;
+	/* now let it interrupt */
+	INTH_REGS.ilr_irq[IRQ_TIMER2] = 0x7E;
+	INTH_REGS.mask_it_reg1 &= ~(1 << IRQ_TIMER2);
+}