2388373aa5
Author: Alan Carvalho de Assis <acassis@gmail.com>
Run all .h and .c files modified in last PR through nxstyle.
Author: Minamiya_Natsuki <yukihiratype2@gmail.com>
Add FMC SDRAM for STM32H7x3 chip (#22)
* Add FMC SDRAM for STM32H7x3 chip
* Add FMC SDRAM for STM32H7x7
* Nuttx Coding Standard requires one declaration per line
* should be __ARCH_ARM_SRC_STM32H7_STM32_FMC_H
* fix bad alignment
* fix typo
* fix typo
* people can't live in furture
* fix comment line length
* fix more comment line length
* fix aligenment
* fix typo
160 lines
5.2 KiB
C
160 lines
5.2 KiB
C
/****************************************************************************
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* arch/arm/src/stm32/stm32_fmc.h
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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* Author: Jason T. Harris <sirmanlypowers@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32H7_STM32_FMC_H
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#define __ARCH_ARM_SRC_STM32H7_STM32_FMC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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#include "hardware/stm32_fmc.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: stm32_fmc_sdram_wait
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*
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* Description:
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* Wait for the SDRAM controller to be ready.
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*
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****************************************************************************/
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void stm32_fmc_sdram_wait(void);
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/****************************************************************************
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* Name: stm32_fmc_enable
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*
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* Description:
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* Enable clocking to the FMC.
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*
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****************************************************************************/
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void stm32_fmc_enable_clk(void);
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/****************************************************************************
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* Name: stm32_fmc_disable
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*
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* Description:
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* Disable clocking to the FMC.
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*
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****************************************************************************/
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void stm32_fmc_disable(void);
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/****************************************************************************
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* Name: stm32_fmc_sdram_write_protect
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*
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* Description:
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* Enable/Disable writes to an SDRAM.
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*
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****************************************************************************/
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void stm32_fmc_sdram_write_protect(int bank, bool state);
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/****************************************************************************
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* Name: stm32_fmc_sdram_set_refresh_rate
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*
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* Description:
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* Set the SDRAM refresh rate.
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*
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****************************************************************************/
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void stm32_fmc_sdram_set_refresh_rate(int count);
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/****************************************************************************
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* Name: stm32_fmc_sdram_enable
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*
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* Description:
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* Enable FMC SDRAM. Do this after issue refresh rate.
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*
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****************************************************************************/
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void stm32_fmc_sdram_enable(void);
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/****************************************************************************
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* Name: stm32_fmc_sdram_set_timing
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*
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* Description:
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* Set the SDRAM timing parameters.
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*
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****************************************************************************/
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void stm32_fmc_sdram_set_timing(int bank, uint32_t timing);
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/****************************************************************************
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* Name: stm32_fmc_sdram_set_control
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*
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* Description:
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* Set the SDRAM control parameters.
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*
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****************************************************************************/
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void stm32_fmc_sdram_set_control(int bank, uint32_t ctrl);
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/****************************************************************************
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* Name: stm32_fmc_sdram_command
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*
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* Description:
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* Send a command to the SDRAM.
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*
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****************************************************************************/
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void stm32_fmc_sdram_command(uint32_t cmd);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_STM32H7_STM32_FMC_H */
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