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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
commit | 5375bb5b86e266157ceceef08c367da711b8144e (patch) | |
tree | 88bc81cab11d8f0b2b6f9391f803051c081b2ecb /nuttx/arch/arm/src/stm32/stm32_rcc.c | |
parent | 27ee36b2049167a1272122548fe61aa2993d79c1 (diff) | |
download | px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.gz px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.bz2 px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.zip |
Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_rcc.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_rcc.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_rcc.c b/nuttx/arch/arm/src/stm32/stm32_rcc.c deleted file mode 100644 index 6656186f2..000000000 --- a/nuttx/arch/arm/src/stm32/stm32_rcc.c +++ /dev/null @@ -1,183 +0,0 @@ -/**************************************************************************** - * arch/arm/src/stm32/stm32_rcc.c - * - * Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdint.h> -#include <stdio.h> -#include <assert.h> -#include <debug.h> - -#include <arch/board/board.h> - -#include "up_internal.h" -#include "up_arch.h" - -#include "chip.h" -#include "stm32_rcc.h" -#include "stm32_flash.h" -#include "stm32_internal.h" -#include "stm32_waste.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/* Allow up to 100 milliseconds for the high speed clock to become ready. - * that is a very long delay, but if the clock does not become ready we are - * hosed anyway. - */ - -#define HSERDY_TIMEOUT (100 * CONFIG_BOARD_LOOPSPERMSEC) - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/* Include chip-specific clocking initialization logic */ - -#if defined(CONFIG_STM32_STM32F10XX) -# include "chip/stm32f10xxx_rcc.c" -#elif defined(CONFIG_STM32_STM32F20XX) -# include "chip/stm32f20xxx_rcc.c" -#elif defined(CONFIG_STM32_STM32F40XX) -# include "chip/stm32f40xxx_rcc.c" -#else -# error "Unsupported STM32 chip" -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/************************************************************************************ - * Name: stm32_clockconfig - * - * Description: - * Called to establish the clock settings based on the values in board.h. This - * function (by default) will reset most everything, enable the PLL, and enable - * peripheral clocking for all periperipherals enabled in the NuttX configuration - * file. - * - * If CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is defined, then clocking will - * be enabled by an externally provided, board-specific function called - * stm32_board_clockconfig(). - * - * Input Parameters: - * None - * - * Returned Value: - * None - * - ************************************************************************************/ - -void stm32_clockconfig(void) -{ - /* Make sure that we are starting in the reset state */ - - rcc_reset(); - -#if defined(CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG) - - /* Invoke Board Custom Clock Configuration */ - - stm32_board_clockconfig(); - -#else - - /* Invoke standard, fixed clock configuration based on definitions in board.h */ - - stm32_stdclockconfig(); - -#endif - - /* Enable peripheral clocking */ - - rcc_enableperipherals(); -} - -/************************************************************************************ - * Name: stm32_clockenable - * - * Description: - * Re-enable the clock and restore the clock settings based on settings in board.h. - * This function is only available to support low-power modes of operation: When - * re-awakening from deep-sleep modes, it is necessary to re-enable/re-start the - * PLL - * - * This functional performs a subset of the operations performed by - * stm32_clockconfig(): It does not reset any devices, and it does not reset the - * currenlty enabled peripheral clocks. - * - * If CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is defined, then clocking will - * be enabled by an externally provided, board-specific function called - * stm32_board_clockconfig(). - * - * Input Parameters: - * None - * - * Returned Value: - * None - * - ************************************************************************************/ - -#ifdef CONFIG_PM -void stm32_clockenable(void) -{ -#if defined(CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG) - - /* Invoke Board Custom Clock Configuration */ - - stm32_board_clockconfig(); - -#else - - /* Invoke standard, fixed clock configuration based on definitions in board.h */ - - stm32_stdclockconfig(); - -#endif -} -#endif - - |