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diff --git a/firmware/microblaze/lib/clocks.h b/firmware/microblaze/lib/clocks.h
new file mode 100644
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+++ b/firmware/microblaze/lib/clocks.h
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+//
+// Copyright 2010 Ettus Research LLC
+//
+/*
+ * Copyright 2008 Free Software Foundation, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_CLOCKS_H
+#define INCLUDED_CLOCKS_H
+
+/*
+ * Routines to configure our multitude of clocks
+ */
+
+#include <stdbool.h>
+#include "clock_bits.h"
+
+
+/*!
+ * One time call to initialize all clocks to a reasonable state.  We
+ * come out of here using our free running 100MHz oscilator and not
+ * providing a clock to the MIMO connector (CMC_WE_DONT_LOCK)
+ */
+void clocks_init(void);
+
+
+/*!
+ * \brief MIMO clock configuration.
+ *
+ * Configure our master clock source, and whether or not we drive a
+ * clock onto the mimo connector.  See MC_flags in usrp2_mimo_config.h.
+ */
+//void clocks_mimo_config(int flags);
+
+/*!
+ * \brief Lock Detect -- Return True if our PLL is locked
+ */
+bool clocks_lock_detect();
+
+/*!
+ * \brief Enable or disable test clock (extra clock signal)
+ */
+//void clocks_enable_test_clk(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable fpga clock.  Disabling would wedge and require a power cycle.
+ */
+void clocks_enable_fpga_clk(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable clock output sent to MIMO connector
+ */
+//void clocks_enable_clkexp_out(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable ethernet phyclk, should always be disabled
+ */
+//void clocks_enable_eth_phyclk(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable clock to DAC
+ */
+//void clocks_enable_dac_clk(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable clock to ADC
+ */
+//void clocks_enable_adc_clk(bool enable, int divisor);
+
+/*!
+ * \brief Enable or disable clock to Rx daughterboard
+ */
+//void clocks_enable_rx_dboard(bool enable, int divisor);
+
+
+/*!
+ * \brief Enable or disable clock to Tx daughterboard
+ */
+//void clocks_enable_tx_dboard(bool enable, int divisor);
+
+
+#endif /* INCLUDED_CLOCKS_H */