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diff --git a/os/hal/platforms/AT91SAM7/gpt_lld.h b/os/hal/platforms/AT91SAM7/gpt_lld.h
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--- a/os/hal/platforms/AT91SAM7/gpt_lld.h
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@@ -1,230 +0,0 @@
-/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AT91SAM7/gpt_lld.h
- * @brief AT91SAM7 GPT subsystem low level driver header.
- *
- * @addtogroup GPT
- * @{
- */
-
-#ifndef _GPT_LLD_H_
-#define _GPT_LLD_H_
-
-#if HAL_USE_GPT || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief GPTD1 driver enable switch.
- * @details If set to @p TRUE the support for GPTD1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(AT91_GPT_USE_TC0) || defined(__DOXYGEN__)
-#define AT91_GPT_USE_TC0 FALSE
-#endif
-
-/**
- * @brief GPTD2 driver enable switch.
- * @details If set to @p TRUE the support for GPTD2 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(AT91_GPT_USE_TC1) || defined(__DOXYGEN__)
-#define AT91_GPT_USE_TC1 FALSE
-#endif
-
-/**
- * @brief GPTD3 driver enable switch.
- * @details If set to @p TRUE the support for GPTD3 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(AT91_GPT_USE_TC2) || defined(__DOXYGEN__)
-#define AT91_GPT_USE_TC3 FALSE
-#endif
-
-/**
- * @brief GPTD1 interrupt priority level setting.
- */
-#if !defined(AT91_GPT_TC0_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define AT91_GPT_TC0_IRQ_PRIORITY (AT91C_AIC_PRIOR_HIGHEST - 2)
-#endif
-
-/**
- * @brief GPTD2 interrupt priority level setting.
- */
-#if !defined(AT91_GPT_TC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define AT91_GPT_TC1_IRQ_PRIORITY (AT91C_AIC_PRIOR_HIGHEST - 2)
-#endif
-
-/**
- * @brief GPTD3 interrupt priority level setting.
- */
-#if !defined(AT91_GPT_TC2_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define AT91_GPT_TC2_IRQ_PRIORITY (AT91C_AIC_PRIOR_HIGHEST - 2)
-#endif
-
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if !AT91_GPT_USE_TC0 && !AT91_GPT_USE_TC1 && !AT91_GPT_USE_TC2
-#error "GPT driver activated but no TC peripheral assigned"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief GPT frequency type.
- */
-typedef uint32_t gptfreq_t;
-
-/**
- * @brief GPT counter type.
- */
-typedef uint16_t gptcnt_t;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief Timer clock in Hz.
- * @note The low level can use assertions in order to catch invalid
- * frequency specifications.
- */
- gptfreq_t frequency;
- /**
- * @brief Timer callback pointer.
- * @note This callback is invoked on GPT counter events.
- */
- gptcallback_t callback;
- /* End of the mandatory fields.*/
- /**
- * @brief Timer Clock Source.
- */
- uint8_t clocksource;
- #define GPT_CLOCK_MCLK 0 // @< Internal clock. frequency must = MCLK/2, MCLK/8, MCLK/32, MCLK/128 or MCLK/1024
- #define GPT_CLOCK_FREQUENCY 1 // @< Internal clock. interval is ignored. frequency determines rate
- #define GPT_CLOCK_RE_TCLK0 2 // @< External TCLK0. Rising Edge
- #define GPT_CLOCK_FE_TCLK0 3 // @< External TCLK0. Falling Edge
- #define GPT_CLOCK_RE_TCLK1 4 // @< External TCLK1. Rising Edge
- #define GPT_CLOCK_FE_TCLK1 5 // @< External TCLK1. Falling Edge
- #define GPT_CLOCK_RE_TCLK2 6 // @< External TCLK2. Rising Edge
- #define GPT_CLOCK_FE_TCLK2 7 // @< External TCLK2. Falling Edge
- #define GPT_CLOCK_RE_TC0 8 // @< TC0 output. Rising Edge. Do not use on TC0
- #define GPT_CLOCK_FE_TC0 9 // @< TC0 output. Falling Edge. Do not use on TC0
- #define GPT_CLOCK_RE_TC1 10 // @< TC1 output. Rising Edge. Do not use on TC1
- #define GPT_CLOCK_FE_TC1 11 // @< TC1 output. Falling Edge. Do not use on TC1
- #define GPT_CLOCK_RE_TC2 12 // @< TC2 output. Rising Edge. Do not use on TC2
- #define GPT_CLOCK_FE_TC2 13 // @< TC2 output. Falling Edge. Do not use on TC2
- uint8_t clockgate;
- #define GPT_GATE_NONE 0 // @< Clock gating off
- #define GPT_GATE_TCLK0 1 // @< Clock on TCLK0 active high signal. If using this on TC0 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_GATE_TCLK1 2 // @< Clock on TCLK1 active high signal. If using this on TC1 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_GATE_TCLK2 3 // @< Clock on TCLK2 active high signal. If using this on TC2 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- uint8_t trigger;
- #define GPT_TRIGGER_NONE 0x00 // @< Start immediately
- #define GPT_TRIGGER_RE_TIOB 0x10 // @< Start on TIOB signal. Rising Edge.
- #define GPT_TRIGGER_FE_TIOB 0x20 // @< Start on TIOB signal. Falling Edge.
- #define GPT_TRIGGER_BE_TIOB 0x30 // @< Start on TIOB signal. Both Edges.
- #define GPT_TRIGGER_RE_TCLK0 0x11 // @< Start on TCLK0 signal. Rising Edge. If using this on TC0 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_FE_TCLK0 0x21 // @< Start on TCLK0 signal. Falling Edge. If using this on TC0 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_BE_TCLK0 0x31 // @< Start on TCLK0 signal. Both Edges. If using this on TC0 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_RE_TCLK1 0x12 // @< Start on TCLK1 signal. Rising Edge. If using this on TC1 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_FE_TCLK1 0x22 // @< Start on TCLK1 signal. Falling Edge. If using this on TC1 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_BE_TCLK1 0x32 // @< Start on TCLK1 signal. Both Edges. If using this on TC1 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_RE_TCLK2 0x13 // @< Start on TCLK2 signal. Rising Edge. If using this on TC2 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_FE_TCLK2 0x23 // @< Start on TCLK2 signal. Falling Edge. If using this on TC2 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
- #define GPT_TRIGGER_BE_TCLK2 0x33 // @< Start on TCLK2 signal. Both Edges. If using this on TC2 with GPT_CLOCK_xx_TIMx, the TIMx output will be used instead.
-} GPTConfig;
-
-/**
- * @brief Structure representing a GPT driver.
- */
-struct GPTDriver {
- /**
- * @brief Driver state.
- */
- gptstate_t state;
- /**
- * @brief Current configuration data.
- */
- const GPTConfig *config;
-#if defined(GPT_DRIVER_EXT_FIELDS)
- GPT_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the TCx registers block.
- */
- AT91S_TC *tc;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AT91_GPT_USE_TC0 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD1;
-#endif
-
-#if AT91_GPT_USE_TC1 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD2;
-#endif
-
-#if AT91_GPT_USE_TC2 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD3;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void gpt_lld_init(void);
- void gpt_lld_start(GPTDriver *gptp);
- void gpt_lld_stop(GPTDriver *gptp);
- void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period);
- void gpt_lld_stop_timer(GPTDriver *gptp);
- void gpt_lld_change_interval(GPTDriver *gptp, gptcnt_t interval);
- void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_GPT */
-
-#endif /* _GPT_LLD_H_ */
-
-/** @} */
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