STM32F7xx stuff.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8130 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
Giovanni Di Sirio 2015-07-29 13:42:21 +00:00
parent e9329762b1
commit 644b2d88a7
5 changed files with 3040 additions and 2 deletions

View File

@ -97,5 +97,4 @@ PLATFORMINC := $(CHIBIOS)/os/hal/ports/common/ARMCMx \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SDIOv1 \ $(CHIBIOS)/os/hal/ports/STM32/LLD/SDIOv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv1 \ $(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1 \ $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv1 \ $(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv1
$(CHIBIOS)/os/hal/ports/STM32/LLD/FSMCv1

View File

@ -0,0 +1,277 @@
/*
ChibiOS - Copyright (C) 2006..2015 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 STM32F7xx/hal_lld.c
* @brief STM32F7xx/STM32F2xx HAL subsystem low level driver source.
*
* @addtogroup HAL
* @{
*/
#include "hal.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief CMSIS system core clock variable.
* @note It is declared in system_STM32F7xx.h.
*/
uint32_t SystemCoreClock = STM32_SYSCLK;
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief Initializes the backup domain.
* @note WARNING! Changing clock source impossible without resetting
* of the whole BKP domain.
*/
static void hal_lld_backup_domain_init(void) {
/* Backup domain access enabled and left open.*/
PWR->CR |= PWR_CR_DBP;
/* Reset BKP domain if different clock source selected.*/
if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL) {
/* Backup domain reset.*/
RCC->BDCR = RCC_BDCR_BDRST;
RCC->BDCR = 0;
}
#if STM32_LSE_ENABLED
#if defined(STM32_LSE_BYPASS)
/* LSE Bypass.*/
RCC->BDCR |= RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
#else
/* No LSE Bypass.*/
RCC->BDCR |= RCC_BDCR_LSEON;
#endif
while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
; /* Waits until LSE is stable. */
#endif
#if HAL_USE_RTC
/* If the backup domain hasn't been initialized yet then proceed with
initialization.*/
if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
/* Selects clock source.*/
RCC->BDCR |= STM32_RTCSEL;
/* RTC clock enabled.*/
RCC->BDCR |= RCC_BDCR_RTCEN;
}
#endif /* HAL_USE_RTC */
#if STM32_BKPRAM_ENABLE
rccEnableBKPSRAM(false);
PWR->CSR |= PWR_CSR_BRE;
while ((PWR->CSR & PWR_CSR_BRR) == 0)
; /* Waits until the regulator is stable */
#else
PWR->CSR &= ~PWR_CSR_BRE;
#endif /* STM32_BKPRAM_ENABLE */
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level HAL driver initialization.
*
* @notapi
*/
void hal_lld_init(void) {
/* Reset of all peripherals. AHB3 is not reseted because it could have
been initialized in the board initialization file (board.c).*/
rccResetAHB1(~0);
rccResetAHB2(~0);
rccResetAPB1(~RCC_APB1RSTR_PWRRST);
rccResetAPB2(~0);
/* PWR clock enabled.*/
rccEnablePWRInterface(FALSE);
/* Initializes the backup domain.*/
hal_lld_backup_domain_init();
#if defined(STM32_DMA_REQUIRED)
dmaInit();
#endif
/* Programmable voltage detector enable.*/
#if STM32_PVD_ENABLE
PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
#endif /* STM32_PVD_ENABLE */
}
/**
* @brief STM32F2xx clocks and PLL initialization.
* @note All the involved constants come from the file @p board.h.
* @note This function should be invoked just after the system reset.
*
* @special
*/
void stm32_clock_init(void) {
#if !STM32_NO_INIT
/* PWR clock enable.*/
RCC->APB1ENR = RCC_APB1ENR_PWREN;
/* PWR initialization.*/
#if defined(STM32F7xx) || defined(__DOXYGEN__)
PWR->CR = STM32_VOS;
#else
PWR->CR = 0;
#endif
/* HSI setup, it enforces the reset situation in order to handle possible
problems with JTAG probes and re-initializations.*/
RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
while (!(RCC->CR & RCC_CR_HSIRDY))
; /* Wait until HSI is stable. */
/* HSI is selected as new source without touching the other fields in
CFGR. Clearing the register has to be postponed after HSI is the
new source.*/
RCC->CFGR &= ~RCC_CFGR_SW; /* Reset SW */
RCC->CFGR |= RCC_CFGR_SWS_HSI; /* Select HSI as internal*/
while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
; /* Wait until HSI is selected. */
/* Registers finally cleared to reset values.*/
RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
RCC->CFGR = 0; /* CFGR reset value. */
#if STM32_HSE_ENABLED
/* HSE activation.*/
#if defined(STM32_HSE_BYPASS)
/* HSE Bypass.*/
RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
#else
/* No HSE Bypass.*/
RCC->CR |= RCC_CR_HSEON;
#endif
while ((RCC->CR & RCC_CR_HSERDY) == 0)
; /* Waits until HSE is stable. */
#endif
#if STM32_LSI_ENABLED
/* LSI activation.*/
RCC->CSR |= RCC_CSR_LSION;
while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
; /* Waits until LSI is stable. */
#endif
#if STM32_ACTIVATE_PLL
/* PLL activation.*/
RCC->PLLCFGR = STM32_PLLQ | STM32_PLLSRC | STM32_PLLP | STM32_PLLN |
STM32_PLLM;
RCC->CR |= RCC_CR_PLLON;
/* Synchronization with voltage regulator stabilization.*/
#if defined(STM32F7xx)
while ((PWR->CSR & PWR_CSR_VOSRDY) == 0)
; /* Waits until power regulator is stable. */
#if STM32_OVERDRIVE_REQUIRED
/* Overdrive activation performed after activating the PLL in order to save
time as recommended in RM in "Entering Over-drive mode" paragraph.*/
PWR->CR |= PWR_CR_ODEN;
while (!(PWR->CSR & PWR_CSR_ODRDY))
;
PWR->CR |= PWR_CR_ODSWEN;
while (!(PWR->CSR & PWR_CSR_ODSWRDY))
;
#endif /* STM32_OVERDRIVE_REQUIRED */
#endif /* defined(STM32F7xx) */
/* Waiting for PLL lock.*/
while (!(RCC->CR & RCC_CR_PLLRDY))
;
#endif /* STM32_OVERDRIVE_REQUIRED */
#if STM32_ACTIVATE_PLLI2S
/* PLLI2S activation.*/
RCC->PLLI2SCFGR = STM32_PLLI2SR | STM32_PLLI2SN;
RCC->CR |= RCC_CR_PLLI2SON;
/* Waiting for PLL lock.*/
while (!(RCC->CR & RCC_CR_PLLI2SRDY))
;
#endif
#if STM32_ACTIVATE_PLLSAI
/* PLLSAI activation.*/
RCC->PLLSAICFGR = STM32_PLLSAIN | STM32_PLLSAIR | STM32_PLLSAIQ;
RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | STM32_PLLSAIR_POST;
RCC->CR |= RCC_CR_PLLSAION;
/* Waiting for PLL lock.*/
while (!(RCC->CR & RCC_CR_PLLSAIRDY))
;
#endif
/* Other clock-related settings (dividers, MCO etc).*/
RCC->CFGR = STM32_MCO2PRE | STM32_MCO2SEL | STM32_MCO1PRE | STM32_MCO1SEL |
STM32_RTCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
/* Flash setup.*/
#if defined(STM32_USE_REVISION_A_FIX)
/* Some old revisions of F4x MCUs randomly crashes with compiler
optimizations enabled AND flash caches enabled. */
if ((DBGMCU->IDCODE == 0x20006411) && (SCB->CPUID == 0x410FC241))
FLASH->ACR = FLASH_ACR_PRFTEN | STM32_FLASHBITS;
else
FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN |
FLASH_ACR_DCEN | STM32_FLASHBITS;
#else
FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN |
FLASH_ACR_DCEN | STM32_FLASHBITS;
#endif
/* Switching to the configured clock source if it is different from HSI.*/
#if (STM32_SW != STM32_SW_HSI)
RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */
while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
;
#endif
#endif /* STM32_NO_INIT */
/* SYSCFG clock enabled here because it is a multi-functional unit shared
among multiple drivers.*/
rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
}
/** @} */

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,101 @@
# List of all the STM32F7xx platform files.
ifeq ($(USE_SMART_BUILD),yes)
HALCONF := $(strip $(shell cat halconf.h | egrep -e "define"))
PLATFORMSRC := $(CHIBIOS)/os/hal/ports/common/ARMCMx/nvic.c \
$(CHIBIOS)/os/hal/ports/STM32/STM32F7xx/hal_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/st_lld.c
ifneq ($(findstring HAL_USE_ADC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c
endif
ifneq ($(findstring HAL_USE_CAN TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/CANV1/can_lld.c
endif
ifneq ($(findstring HAL_USE_DAC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/DACv1/dac_lld.c
endif
ifneq ($(findstring HAL_USE_EXT TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/EXTIv1/ext_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/STM32F7xx/ext_lld_isr.c
endif
ifneq ($(findstring HAL_USE_PAL TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/GPIOv2/pal_lld.c
endif
ifneq ($(findstring HAL_USE_I2C TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/I2Cv2/i2c_lld.c
endif
ifneq ($(findstring HAL_USE_MAC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/MACv1/mac_lld.c
endif
ifneq ($(findstring HAL_USE_USB TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/OTGv1/usb_lld.c
endif
ifneq ($(findstring HAL_USE_RTC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c
endif
ifneq ($(findstring HAL_USE_I2S TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv2/i2s_lld.c
endif
ifneq ($(findstring HAL_USE_SDC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/SDIOv1/sdc_lld.c
endif
ifneq ($(findstring HAL_USE_SPI TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv2/spi_lld.c
endif
ifneq ($(findstring HAL_USE_GPT TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/gpt_lld.c
endif
ifneq ($(findstring HAL_USE_ICU TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c
endif
ifneq ($(findstring HAL_USE_PWM TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/pwm_lld.c
endif
ifneq ($(findstring HAL_USE_SERIAL TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c
endif
ifneq ($(findstring HAL_USE_UART TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv2/uart_lld.c
endif
else
PLATFORMSRC := $(CHIBIOS)/os/hal/ports/common/ARMCMx/nvic.c \
$(CHIBIOS)/os/hal/ports/STM32/STM32F7xx/hal_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/STM32F7xx/ext_lld_isr.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/CANv1/can_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/EXTIv1/ext_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/DACv1/dac_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/GPIOv2/pal_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/I2Cv2/i2c_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/MACv1/mac_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/OTGv1/usb_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SDIOv1/sdc_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv2/i2s_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv2/spi_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/gpt_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/pwm_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/st_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c \
$(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv2/uart_lld.c
endif
# Required include directories
PLATFORMINC := $(CHIBIOS)/os/hal/ports/common/ARMCMx \
$(CHIBIOS)/os/hal/ports/STM32/LLD/ADCv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/CANv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/DACv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/DMAv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/EXTIv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/GPIOv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/I2Cv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/MACv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/OTGv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/RTCv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SDIOv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv2 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1 \
$(CHIBIOS)/os/hal/ports/STM32/LLD/USARTv2

File diff suppressed because it is too large Load Diff