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diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/tc.c b/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/tc.c
deleted file mode 100644
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--- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/tc.c
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-/* ---------------------------------------------------------------------------- */
-/* Atmel Microcontroller Software Support */
-/* SAM Software Package License */
-/* ---------------------------------------------------------------------------- */
-/* Copyright (c) 2015, Atmel Corporation */
-/* */
-/* All rights reserved. */
-/* */
-/* Redistribution and use in source and binary forms, with or without */
-/* modification, are permitted provided that the following condition is met: */
-/* */
-/* - Redistributions of source code must retain the above copyright notice, */
-/* this list of conditions and the disclaimer below. */
-/* */
-/* Atmel's name may not be used to endorse or promote products derived from */
-/* this software without specific prior written permission. */
-/* */
-/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
-/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
-/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
-/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
-/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
-/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
-/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
-/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
-/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-/* ---------------------------------------------------------------------------- */
-
-/** \addtogroup tc_module
- * The TC driver provides the Interface to configure the Timer Counter (TC).
- *
- * \section Usage
- * <ul>
- * <li> Optionally, use TC_FindMckDivisor() to let the program find the best
- * TCCLKS field value automatically.</li>
- * <li> Configure a Timer Counter in the desired mode using TC_Configure().</li>
- * <li> Start or stop the timer clock using TC_Start() and TC_Stop().</li>
- *
- * </ul>
- * For more accurate information, please look at the TC section of the Datasheet.
- *
- * Related files :\n
- * \ref tc.c\n
- * \ref tc.h.\n
-*/
-
-/**
-* \file
-*
-* \section Purpose
-*
-* Interface for configuring and using Timer Counter (TC) peripherals.
-*
-* \section Usage
-* -# Optionally, use TC_FindMckDivisor() to let the program find the best
-* TCCLKS field value automatically.
-* -# Configure a Timer Counter in the desired mode using TC_Configure().
-* -# Start or stop the timer clock using TC_Start() and TC_Stop().
-*/
-
-/**
- * \file
- *
- * Implementation of Timer Counter (TC).
- *
- */
-
-/*------------------------------------------------------------------------------
- * Headers
- *-----------------------------------------------------------------------------*/
-
-#ifndef __rtems__
-#include "board.h"
-#else /* __rtems__ */
-#include <chip.h>
-#endif /* __rtems__ */
-
-#include <assert.h>
-
-/*------------------------------------------------------------------------------
- * Global functions
- *----------------------------------------------------------------------------*/
-
-/**
- * \brief Configures a Timer Counter Channel
- *
- * Configures a Timer Counter to operate in the given mode. Timer is stopped
- * after configuration and must be restarted with TC_Start(). All the
- * interrupts of the timer are also disabled.
- *
- * \param pTc Pointer to a Tc instance.
- * \param channel Channel number.
- * \param mode Operating mode (TC_CMR value).
- */
-extern void TC_Configure(Tc *pTc, uint32_t dwChannel, uint32_t dwMode)
-{
- TcChannel *pTcCh;
-
- assert(dwChannel < (sizeof(pTc->TC_CHANNEL) / sizeof(
- pTc->TC_CHANNEL[0])));
- pTcCh = pTc->TC_CHANNEL + dwChannel;
-
- /* Disable TC clock */
- pTcCh->TC_CCR = TC_CCR_CLKDIS;
-
- /* Disable interrupts */
- pTcCh->TC_IDR = 0xFFFFFFFF;
-
- /* Clear status register */
- pTcCh->TC_SR;
-
- /* Set mode */
- pTcCh->TC_CMR = dwMode;
-}
-
-/**
- * \brief Reset and Start the TC Channel
- *
- * Enables the timer clock and performs a software reset to start the counting.
- *
- * \param pTc Pointer to a Tc instance.
- * \param dwChannel Channel number.
- */
-extern void TC_Start(Tc *pTc, uint32_t dwChannel)
-{
- TcChannel *pTcCh;
-
- assert(dwChannel < (sizeof(pTc->TC_CHANNEL) / sizeof(
- pTc->TC_CHANNEL[0])));
-
- pTcCh = pTc->TC_CHANNEL + dwChannel;
- pTcCh->TC_CCR = TC_CCR_CLKEN | TC_CCR_SWTRG;
-}
-
-/**
- * \brief Stop TC Channel
- *
- * Disables the timer clock, stopping the counting.
- *
- * \param pTc Pointer to a Tc instance.
- * \param dwChannel Channel number.
- */
-extern void TC_Stop(Tc *pTc, uint32_t dwChannel)
-{
- TcChannel *pTcCh;
-
- assert(dwChannel < (sizeof(pTc->TC_CHANNEL) / sizeof(
- pTc->TC_CHANNEL[0])));
-
- pTcCh = pTc->TC_CHANNEL + dwChannel;
- pTcCh->TC_CCR = TC_CCR_CLKDIS;
-}
-
-/**
- * \brief Find best MCK divisor
- *
- * Finds the best MCK divisor given the timer frequency and MCK. The result
- * is guaranteed to satisfy the following equation:
- * \code
- * (MCK / (DIV * 65536)) <= freq <= (MCK / DIV)
- * \endcode
- * with DIV being the highest possible value.
- *
- * \param dwFreq Desired timer frequency.
- * \param dwMCk Master clock frequency.
- * \param dwDiv Divisor value.
- * \param dwTcClks TCCLKS field value for divisor.
- * \param dwBoardMCK Board clock frequency.
- *
- * \return 1 if a proper divisor has been found, otherwise 0.
- */
-extern uint32_t TC_FindMckDivisor(uint32_t dwFreq, uint32_t dwMCk,
- uint32_t *dwDiv, uint32_t *dwTcClks, uint32_t dwBoardMCK)
-{
- /*
- TCCLKS:
- 0 - PCK6: default source - Slow Clock; update according to actual case
- 4 - SLCK: (slow clock) is either "Embedded 32kHz RC Oscillator" or
- "32768Hz Crystal Oscillator"
- */
- const uint32_t adwDivisors[5] = { BOARD_MCK / 32768, 8, 32, 128, BOARD_MCK / 32768 };
-
- uint32_t dwIndex = 0;
- dwBoardMCK = dwBoardMCK;
-
- /* Satisfy lower bound */
- while (dwFreq < ((dwMCk / adwDivisors[dwIndex]) / 65536)) {
- dwIndex++;
-
- /* If no divisor can be found, return 0 */
- if (dwIndex == (sizeof(adwDivisors) / sizeof(adwDivisors[0])))
- return 0;
- }
-
- /* Try to maximize DIV while satisfying upper bound */
- while (dwIndex < 4) {
- if (dwFreq > (dwMCk / adwDivisors[dwIndex + 1]))
- break;
-
- dwIndex++;
- }
-
- /* Store results */
- if (dwDiv)
- *dwDiv = adwDivisors[dwIndex];
-
- if (dwTcClks)
- *dwTcClks = dwIndex;
-
- return 1;
-}
-
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