Broke FSMC stuff into separat files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2166 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
9f081291a6
commit
c55cf7cb7b
@ -39,7 +39,8 @@ CFLAGS += -I$(TOPDIR)/sched
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ASRCS =
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ASRCS =
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = up_boot.c up_leds.c up_spi.c up_extmem.c
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CSRCS = up_boot.c up_leds.c up_spi.c up_extcontext.c up_selectnor.c \
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up_deselectnor.c up_selectsram.c up_deselectsram.c
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ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
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ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
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CSRCS += up_nsh.c
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CSRCS += up_nsh.c
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endif
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endif
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@ -93,11 +93,18 @@ struct extmem_save_s
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};
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};
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/************************************************************************************
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/************************************************************************************
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* Public Functions
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* Public data
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************************************************************************************/
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#ifndef __ASSEMBLY__
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/* GPIO configurations common to SRAM and NOR Flash */
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#define NCOMMON_CONFIG 37
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extern const uint16 g_commonconfig[NCOMMON_CONFIG];
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/************************************************************************************
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* Public Functions
************************************************************************************/
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/************************************************************************************
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/************************************************************************************
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* Name: stm32_spiinitialize
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* Name: stm32_spiinitialize
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*
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*
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@ -108,6 +115,57 @@ struct extmem_save_s
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extern void weak_function stm32_spiinitialize(void);
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extern void weak_function stm32_spiinitialize(void);
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/************************************************************************************
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* Name: stm32_extcontextsave
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*
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* Description:
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* Save current GPIOs that will used by external memory configurations
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*
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************************************************************************************/
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#ifdef CONFIG_STM32_FSMC
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extern void stm32_extcontextsave(struct extmem_save_s *save);
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/************************************************************************************
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* Name: stm32_extcontextrestore
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*
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* Description:
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* Restore GPIOs that were used by external memory configurations
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*
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************************************************************************************/
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extern void stm32_extcontextrestore(struct extmem_save_s *restore);
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/************************************************************************************
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* Name: stm32_extmemgpios
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*
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* Description:
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* Initialize GPIOs for NOR or SRAM
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*
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************************************************************************************/
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extern void stm32_extmemgpios(const uint16 *gpios, int ngpios);
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/************************************************************************************
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* Name: stm32_enablefsmc
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*
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* Description:
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* enable clocking to the FSMC module
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*
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************************************************************************************/
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extern void stm32_enablefsmc(void);
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/************************************************************************************
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* Name: stm32_disablefsmc
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*
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* Description:
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* enable clocking to the FSMC module
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*
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************************************************************************************/
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extern void stm32_disablefsmc(void);
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/************************************************************************************
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/************************************************************************************
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* Name: stm32_selectnor
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* Name: stm32_selectnor
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*
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*
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@ -116,7 +174,7 @@ extern void weak_function stm32_spiinitialize(void);
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*
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*
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************************************************************************************/
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************************************************************************************/
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extern void stm32_selectnor(struct extmem_save_s *save);
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extern void stm32_selectnor(void);
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/************************************************************************************
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/************************************************************************************
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* Name: stm32_deselectnor
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* Name: stm32_deselectnor
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@ -126,7 +184,7 @@ extern void stm32_selectnor(struct extmem_save_s *save);
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*
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*
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************************************************************************************/
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************************************************************************************/
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extern void stm32_deselectnor(struct extmem_save_s *restore);
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extern void stm32_deselectnor(void);
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/************************************************************************************
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/************************************************************************************
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* Name: stm32_selectsram
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* Name: stm32_selectsram
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@ -136,16 +194,17 @@ extern void stm32_deselectnor(struct extmem_save_s *restore);
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*
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*
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************************************************************************************/
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************************************************************************************/
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extern void stm32_selectsram(struct extmem_save_s *save);
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extern void stm32_selectsram(void);
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/************************************************************************************
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/************************************************************************************
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* Name: stm32_deselectsram
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* Name: stm32_deselectsram
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*
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*
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* Description:
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* Description:
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* Disable NOR FLASH
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* Disable external SRAM
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*
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*
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************************************************************************************/
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************************************************************************************/
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extern void stm32_deselectsram(struct extmem_save_s *restore);
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extern void stm32_deselectsram(void);
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#endif /* CONFIG_STM32_FSMC */
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#endif /* __ASSEMBLY__ */
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_STM3210E_EVAL_SRC_STM3210E_INTERNAL_H */
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#endif /* __CONFIGS_STM3210E_EVAL_SRC_STM3210E_INTERNAL_H */
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96
configs/stm3210e-eval/src/up_deselectnor.c
Normal file
96
configs/stm3210e-eval/src/up_deselectnor.c
Normal file
@ -0,0 +1,96 @@
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/************************************************************************************
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* configs/stm3210e-eval/src/up_deselectnor.c
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* arch/arm/src/board/up_deselectnor.c
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <debug.h>
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#include "up_arch.h"
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#include "stm32_fsmc.h"
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#include "stm3210e-internal.h"
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#ifdef CONFIG_STM32_FSMC
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Private Data
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_deselectnor
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*
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* Description:
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* Disable NOR FLASH
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*
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************************************************************************************/
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void stm32_deselectnor(void)
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{
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/* Restore registers to their power up settings */
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putreg32(0x000030d2, STM32_FSMC_BCR2);
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/* Bank1 NOR/SRAM timing register configuration */
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putreg32(0x0fffffff, STM32_FSMC_BTR2);
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/* Disable AHB clocking to the FSMC */
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stm32_disablefsmc();
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}
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#endif /* CONFIG_STM32_FSMC */
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98
configs/stm3210e-eval/src/up_deselectsram.c
Normal file
98
configs/stm3210e-eval/src/up_deselectsram.c
Normal file
@ -0,0 +1,98 @@
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/************************************************************************************
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* configs/stm3210e-eval/src/up_deselectsram.c
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* arch/arm/src/board/up_deselectsram.c
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <debug.h>
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#include "up_arch.h"
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#include "stm32_fsmc.h"
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#include "stm3210e-internal.h"
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#ifdef CONFIG_STM32_FSMC
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Private Data
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_deselectsram
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*
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* Description:
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* Disable NOR FLASH
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*
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************************************************************************************/
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void stm32_deselectsram(void)
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{
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/* Restore registers to their power up settings */
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putreg32(0x000030d2, STM32_FSMC_BCR3);
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/* Bank1 NOR/SRAM timing register configuration */
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putreg32(0x0fffffff, STM32_FSMC_BTR3);
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/* Disable AHB clocking to the FSMC */
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stm32_disablefsmc();
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}
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#endif /* CONFIG_STM32_FSMC */
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117
configs/stm3210e-eval/src/up_extcontext.c
Normal file
117
configs/stm3210e-eval/src/up_extcontext.c
Normal file
@ -0,0 +1,117 @@
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/************************************************************************************
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* configs/stm3210e-eval/src/up_extcontext.c
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* arch/arm/src/board/up_extcontext.c
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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
|
||||||
|
* are met:
|
||||||
|
*
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||||||
|
* 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
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|
* POSSIBILITY OF SUCH DAMAGE.
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|
*
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|
************************************************************************************/
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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 <sys/types.h>
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#include <assert.h>
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#include <debug.h>
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#include "up_arch.h"
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#include "stm32_gpio.h"
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#include "stm3210e-internal.h"
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#ifdef CONFIG_STM32_FSMC
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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#if STM32_NGPIO_PORTS < 6
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# error "Required GPIO ports not enabled"
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#endif
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/************************************************************************************
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* Private Data
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: stm32_extcontextsave
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Save current GPIOs that will used by external memory configurations
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
void stm32_extcontextsave(struct extmem_save_s *save)
|
||||||
|
{
|
||||||
|
DEBUGASSERT(save != NULL);
|
||||||
|
save->gpiod_crl = getreg32(STM32_GPIOE_CRL);
|
||||||
|
save->gpiod_crh = getreg32(STM32_GPIOE_CRH);
|
||||||
|
save->gpioe_crl = getreg32(STM32_GPIOD_CRL);
|
||||||
|
save->gpioe_crh = getreg32(STM32_GPIOD_CRH);
|
||||||
|
save->gpiof_crl = getreg32(STM32_GPIOF_CRL);
|
||||||
|
save->gpiof_crh = getreg32(STM32_GPIOF_CRH);
|
||||||
|
save->gpiog_crl = getreg32(STM32_GPIOG_CRL);
|
||||||
|
save->gpiog_crh = getreg32(STM32_GPIOG_CRH);
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: stm32_extcontextrestore
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Restore GPIOs that were used by external memory configurations
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
void stm32_extcontextrestore(struct extmem_save_s *restore)
|
||||||
|
{
|
||||||
|
DEBUGASSERT(restore != NULL);
|
||||||
|
putreg32(restore->gpiod_crl, STM32_GPIOE_CRL);
|
||||||
|
putreg32(restore->gpiod_crh, STM32_GPIOE_CRH);
|
||||||
|
putreg32(restore->gpioe_crl, STM32_GPIOD_CRL);
|
||||||
|
putreg32(restore->gpioe_crh, STM32_GPIOD_CRH);
|
||||||
|
putreg32(restore->gpiof_crl, STM32_GPIOF_CRL);
|
||||||
|
putreg32(restore->gpiof_crh, STM32_GPIOF_CRH);
|
||||||
|
putreg32(restore->gpiog_crl, STM32_GPIOG_CRL);
|
||||||
|
putreg32(restore->gpiog_crh, STM32_GPIOG_CRH);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_STM32_FSMC */
|
||||||
|
|
||||||
|
|
||||||
@ -66,7 +66,7 @@
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Private Data
|
* Public Data
|
||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
/* 512Kx16 SRAM is connected to bank2 of the FSMC interface and both 8- and 16-bit
|
/* 512Kx16 SRAM is connected to bank2 of the FSMC interface and both 8- and 16-bit
|
||||||
@ -95,7 +95,7 @@
|
|||||||
|
|
||||||
/* GPIO configurations common to SRAM and NOR Flash */
|
/* GPIO configurations common to SRAM and NOR Flash */
|
||||||
|
|
||||||
static const uint16 g_commonconfig[] =
|
const uint16 g_commonconfig[NCOMMON_CONFIG] =
|
||||||
{
|
{
|
||||||
/* A0... A18 */
|
/* A0... A18 */
|
||||||
|
|
||||||
@ -116,7 +116,10 @@ static const uint16 g_commonconfig[] =
|
|||||||
|
|
||||||
GPIO_NPS_NOE, GPIO_NPS_NWE
|
GPIO_NPS_NOE, GPIO_NPS_NWE
|
||||||
};
|
};
|
||||||
#define NCOMMON_CONFIG (sizeof(g_commonconfig)/sizeof(uint16))
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
/* GPIO configurations unique to SRAM */
|
/* GPIO configurations unique to SRAM */
|
||||||
|
|
||||||
@ -128,24 +131,14 @@ static const uint16 g_sramconfig[] =
|
|||||||
};
|
};
|
||||||
#define NSRAM_CONFIG (sizeof(g_sramconfig)/sizeof(uint16))
|
#define NSRAM_CONFIG (sizeof(g_sramconfig)/sizeof(uint16))
|
||||||
|
|
||||||
/* GPIO configurations unique to NOR Flash */
|
|
||||||
|
|
||||||
static const uint16 g_norconfig[] =
|
|
||||||
{
|
|
||||||
/* A19... A22 */
|
|
||||||
|
|
||||||
GPIO_NPS_A19, GPIO_NPS_A20, GPIO_NPS_A21, GPIO_NPS_A22,
|
|
||||||
|
|
||||||
/* NE2 */
|
|
||||||
|
|
||||||
GPIO_NPS_NE2
|
|
||||||
};
|
|
||||||
#define NNOR_CONFIG (sizeof(g_norconfig)/sizeof(uint16))
|
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Private Functions
|
* Private Functions
|
||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Name: stm32_extmemgpios
|
* Name: stm32_extmemgpios
|
||||||
*
|
*
|
||||||
@ -154,7 +147,7 @@ static const uint16 g_norconfig[] =
|
|||||||
*
|
*
|
||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
static void stm32_extmemgpios(const uint16 *gpios, int ngpios)
|
void stm32_extmemgpios(const uint16 *gpios, int ngpios)
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
@ -167,56 +160,14 @@ static void stm32_extmemgpios(const uint16 *gpios, int ngpios)
|
|||||||
}
|
}
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Name: stm32_savegpios
|
* Name: stm32_enablefsmc
|
||||||
*
|
|
||||||
* Description:
|
|
||||||
* Save current GPIOs that will used by external memory configurations
|
|
||||||
*
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
static void stm32_savegpios(struct extmem_save_s *save)
|
|
||||||
{
|
|
||||||
DEBUGASSERT(save != NULL);
|
|
||||||
save->gpiod_crl = getreg32(STM32_GPIOE_CRL);
|
|
||||||
save->gpiod_crh = getreg32(STM32_GPIOE_CRH);
|
|
||||||
save->gpioe_crl = getreg32(STM32_GPIOD_CRL);
|
|
||||||
save->gpioe_crh = getreg32(STM32_GPIOD_CRH);
|
|
||||||
save->gpiof_crl = getreg32(STM32_GPIOF_CRL);
|
|
||||||
save->gpiof_crh = getreg32(STM32_GPIOF_CRH);
|
|
||||||
save->gpiog_crl = getreg32(STM32_GPIOG_CRL);
|
|
||||||
save->gpiog_crh = getreg32(STM32_GPIOG_CRH);
|
|
||||||
}
|
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Name: stm32_restoregpios
|
|
||||||
*
|
|
||||||
* Description:
|
|
||||||
* Restore GPIOs that were used by external memory configurations
|
|
||||||
*
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
static void stm32_restoregpios(struct extmem_save_s *restore)
|
|
||||||
{
|
|
||||||
DEBUGASSERT(restore != NULL);
|
|
||||||
putreg32(restore->gpiod_crl, STM32_GPIOE_CRL);
|
|
||||||
putreg32(restore->gpiod_crh, STM32_GPIOE_CRH);
|
|
||||||
putreg32(restore->gpioe_crl, STM32_GPIOD_CRL);
|
|
||||||
putreg32(restore->gpioe_crh, STM32_GPIOD_CRH);
|
|
||||||
putreg32(restore->gpiof_crl, STM32_GPIOF_CRL);
|
|
||||||
putreg32(restore->gpiof_crh, STM32_GPIOF_CRH);
|
|
||||||
putreg32(restore->gpiog_crl, STM32_GPIOG_CRL);
|
|
||||||
putreg32(restore->gpiog_crh, STM32_GPIOG_CRH);
|
|
||||||
}
|
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Name: stm32_enableclocks
|
|
||||||
*
|
*
|
||||||
* Description:
|
* Description:
|
||||||
* enable clocking to the FSMC module
|
* enable clocking to the FSMC module
|
||||||
*
|
*
|
||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
static void stm32_enableclocks(void)
|
void stm32_enablefsmc(void)
|
||||||
{
|
{
|
||||||
uint32 regval;
|
uint32 regval;
|
||||||
|
|
||||||
@ -228,14 +179,14 @@ static void stm32_enableclocks(void)
|
|||||||
}
|
}
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Name: stm32_disableclocks
|
* Name: stm32_disablefsmc
|
||||||
*
|
*
|
||||||
* Description:
|
* Description:
|
||||||
* enable clocking to the FSMC module
|
* enable clocking to the FSMC module
|
||||||
*
|
*
|
||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
static void stm32_disableclocks(void)
|
void stm32_disablefsmc(void)
|
||||||
{
|
{
|
||||||
uint32 regval;
|
uint32 regval;
|
||||||
|
|
||||||
@ -246,115 +197,6 @@ static void stm32_disableclocks(void)
|
|||||||
putreg32(regval, STM32_RCC_AHBENR);
|
putreg32(regval, STM32_RCC_AHBENR);
|
||||||
}
|
}
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Public Functions
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Name: stm32_selectnor
|
|
||||||
*
|
|
||||||
* Description:
|
|
||||||
* Initialize to access NOR flash
|
|
||||||
*
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
void stm32_selectnor(struct extmem_save_s *save)
|
|
||||||
{
|
|
||||||
/* Save current GPIO state */
|
|
||||||
|
|
||||||
stm32_savegpios(save);
|
|
||||||
|
|
||||||
/* Configure new GPIO state */
|
|
||||||
|
|
||||||
stm32_extmemgpios(g_commonconfig, NCOMMON_CONFIG);
|
|
||||||
stm32_extmemgpios(g_sramconfig, NNOR_CONFIG);
|
|
||||||
|
|
||||||
/* Enable AHB clocking to the FSMC */
|
|
||||||
|
|
||||||
stm32_enableclocks();
|
|
||||||
|
|
||||||
/* Bank1 NOR/SRAM control register configuration */
|
|
||||||
|
|
||||||
putreg32(FSMC_BCR_NOR|FSMC_BCR_FACCEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR2);
|
|
||||||
|
|
||||||
/* Bank1 NOR/SRAM timing register configuration */
|
|
||||||
|
|
||||||
putreg32(FSMC_BTR_ADDSET(3)|FSMC_BTR_ADDHLD(1)|FSMC_BTR_DATAST(6)|FSMC_BTR_BUSTRUN(1)|
|
|
||||||
FSMC_BTR_CLKDIV(1)|FSMC_BTR_DATLAT(2)|FSMC_BTR_ACCMODB, STM32_FSMC_BTR2);
|
|
||||||
|
|
||||||
putreg32(0x0fffffff, STM32_FSMC_BCR3);
|
|
||||||
|
|
||||||
/* Enable the bank */
|
|
||||||
|
|
||||||
putreg32(FSMC_BCR_MBKEN|FSMC_BCR_NOR|FSMC_BCR_FACCEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR2);
|
|
||||||
}
|
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Name: stm32_deselectnor
|
|
||||||
*
|
|
||||||
* Description:
|
|
||||||
* Disable NOR FLASH
|
|
||||||
*
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
void stm32_deselectnor(struct extmem_save_s *restore)
|
|
||||||
{
|
|
||||||
/* Restore registers to their power up settings */
|
|
||||||
|
|
||||||
putreg32(0x000030d2, STM32_FSMC_BCR2);
|
|
||||||
|
|
||||||
/* Bank1 NOR/SRAM timing register configuration */
|
|
||||||
|
|
||||||
putreg32(0x0fffffff, STM32_FSMC_BTR2);
|
|
||||||
|
|
||||||
/* Disable AHB clocking to the FSMC */
|
|
||||||
|
|
||||||
stm32_disableclocks();
|
|
||||||
|
|
||||||
/* Restore GPIOs */
|
|
||||||
|
|
||||||
stm32_restoregpios(restore);
|
|
||||||
}
|
|
||||||
|
|
||||||
/************************************************************************************
|
|
||||||
* Name: stm32_selectsram
|
|
||||||
*
|
|
||||||
* Description:
|
|
||||||
* Initialize to access external SRAM
|
|
||||||
*
|
|
||||||
************************************************************************************/
|
|
||||||
|
|
||||||
void stm32_selectsram(struct extmem_save_s *save)
|
|
||||||
{
|
|
||||||
/* Save current GPIO state */
|
|
||||||
|
|
||||||
stm32_savegpios(save);
|
|
||||||
|
|
||||||
/* Configure new GPIO state */
|
|
||||||
|
|
||||||
stm32_extmemgpios(g_commonconfig, NCOMMON_CONFIG);
|
|
||||||
stm32_extmemgpios(g_norconfig, NSRAM_CONFIG);
|
|
||||||
|
|
||||||
/* Enable AHB clocking to the FSMC */
|
|
||||||
|
|
||||||
stm32_enableclocks();
|
|
||||||
|
|
||||||
/* Bank1 NOR/SRAM control register configuration */
|
|
||||||
|
|
||||||
putreg32(FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR3);
|
|
||||||
|
|
||||||
/* Bank1 NOR/SRAM timing register configuration */
|
|
||||||
|
|
||||||
putreg32(FSMC_BTR_ADDSET(1)|FSMC_BTR_ADDHLD(1)|FSMC_BTR_DATAST(3)|FSMC_BTR_BUSTRUN(1)|
|
|
||||||
FSMC_BTR_CLKDIV(1)|FSMC_BTR_DATLAT(2)|FSMC_BTR_ACCMODA, STM32_FSMC_BTR3);
|
|
||||||
|
|
||||||
putreg32(0xffffffff, STM32_FSMC_BCR3);
|
|
||||||
|
|
||||||
/* Enable the bank */
|
|
||||||
|
|
||||||
putreg32(FSMC_BCR_MBKEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR3);
|
|
||||||
}
|
|
||||||
|
|
||||||
/************************************************************************************
|
/************************************************************************************
|
||||||
* Name: stm32_deselectsram
|
* Name: stm32_deselectsram
|
||||||
*
|
*
|
||||||
|
|||||||
137
configs/stm3210e-eval/src/up_selectnor.c
Normal file
137
configs/stm3210e-eval/src/up_selectnor.c
Normal file
@ -0,0 +1,137 @@
|
|||||||
|
/************************************************************************************
|
||||||
|
* configs/stm3210e-eval/src/up_selectnor.c
|
||||||
|
* arch/arm/src/board/up_selectnor.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
||||||
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||||
|
*
|
||||||
|
* 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 <sys/types.h>
|
||||||
|
#include <debug.h>
|
||||||
|
|
||||||
|
#include "up_arch.h"
|
||||||
|
#include "stm32_fsmc.h"
|
||||||
|
#include "stm32_gpio.h"
|
||||||
|
#include "stm3210e-internal.h"
|
||||||
|
|
||||||
|
#ifdef CONFIG_STM32_FSMC
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#if STM32_NGPIO_PORTS < 6
|
||||||
|
# error "Required GPIO ports not enabled"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/* Pin Usage (per schematic)
|
||||||
|
* FLASH SRAM NAND
|
||||||
|
* D[0..15] [0..15] [0..15] [0..7]
|
||||||
|
* A[0..23] [0..22] [0..18] [16,17]
|
||||||
|
* PSMC_NE3 PG10 OUT ~CE --- ---
|
||||||
|
* PSMC_NBL0 PE0 OUT ~BLE --- ---
|
||||||
|
* PSMC_NBL1 PE1 OUT ~BHE --- ---
|
||||||
|
* PSMC_NE2 PG9 OUT --- ~E ---
|
||||||
|
* PSMC_NWE PD5 OUT ~WE ~W ~W
|
||||||
|
* PSMC_NOE PD4 OUT ~OE ~G ~R
|
||||||
|
* PSMC_NWAIT PD6 IN --- R~B ---
|
||||||
|
* PSMC_INT2 PG6* IN --- --- R~B
|
||||||
|
*
|
||||||
|
* *JP7 will switch to PD6
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* GPIO configurations unique to NOR Flash */
|
||||||
|
|
||||||
|
static const uint16 g_norconfig[] =
|
||||||
|
{
|
||||||
|
/* A19... A22 */
|
||||||
|
|
||||||
|
GPIO_NPS_A19, GPIO_NPS_A20, GPIO_NPS_A21, GPIO_NPS_A22,
|
||||||
|
|
||||||
|
/* NE2 */
|
||||||
|
|
||||||
|
GPIO_NPS_NE2
|
||||||
|
};
|
||||||
|
#define NNOR_CONFIG (sizeof(g_norconfig)/sizeof(uint16))
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: stm32_selectnor
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Initialize to access NOR flash
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
void stm32_selectnor(void)
|
||||||
|
{
|
||||||
|
/* Configure new GPIO state */
|
||||||
|
|
||||||
|
stm32_extmemgpios(g_commonconfig, NCOMMON_CONFIG);
|
||||||
|
stm32_extmemgpios(g_norconfig, NNOR_CONFIG);
|
||||||
|
|
||||||
|
/* Enable AHB clocking to the FSMC */
|
||||||
|
|
||||||
|
stm32_enablefsmc();
|
||||||
|
|
||||||
|
/* Bank1 NOR/SRAM control register configuration */
|
||||||
|
|
||||||
|
putreg32(FSMC_BCR_NOR|FSMC_BCR_FACCEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR2);
|
||||||
|
|
||||||
|
/* Bank1 NOR/SRAM timing register configuration */
|
||||||
|
|
||||||
|
putreg32(FSMC_BTR_ADDSET(3)|FSMC_BTR_ADDHLD(1)|FSMC_BTR_DATAST(6)|FSMC_BTR_BUSTRUN(1)|
|
||||||
|
FSMC_BTR_CLKDIV(1)|FSMC_BTR_DATLAT(2)|FSMC_BTR_ACCMODB, STM32_FSMC_BTR2);
|
||||||
|
|
||||||
|
putreg32(0x0fffffff, STM32_FSMC_BCR3);
|
||||||
|
|
||||||
|
/* Enable the bank */
|
||||||
|
|
||||||
|
putreg32(FSMC_BCR_MBKEN|FSMC_BCR_NOR|FSMC_BCR_FACCEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR2);
|
||||||
|
}
|
||||||
|
#endif /* CONFIG_STM32_FSMC */
|
||||||
144
configs/stm3210e-eval/src/up_selectsram.c
Normal file
144
configs/stm3210e-eval/src/up_selectsram.c
Normal file
@ -0,0 +1,144 @@
|
|||||||
|
/************************************************************************************
|
||||||
|
* configs/stm3210e-eval/src/up_selectsram.c
|
||||||
|
* arch/arm/src/board/up_selectsram.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
||||||
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||||
|
*
|
||||||
|
* 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 <sys/types.h>
|
||||||
|
#include <debug.h>
|
||||||
|
|
||||||
|
#include "up_arch.h"
|
||||||
|
#include "stm32_fsmc.h"
|
||||||
|
#include "stm32_gpio.h"
|
||||||
|
#include "stm3210e-internal.h"
|
||||||
|
|
||||||
|
#ifdef CONFIG_STM32_FSMC
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#if STM32_NGPIO_PORTS < 6
|
||||||
|
# error "Required GPIO ports not enabled"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/* 512Kx16 SRAM is connected to bank2 of the FSMC interface and both 8- and 16-bit
|
||||||
|
* accesses are allowed by BLN0 and BLN1 connected to BLE and BHE of SRAM,
|
||||||
|
* respectively.
|
||||||
|
*
|
||||||
|
* Pin Usage (per schematic)
|
||||||
|
* FLASH SRAM NAND
|
||||||
|
* D[0..15] [0..15] [0..15] [0..7]
|
||||||
|
* A[0..23] [0..22] [0..18] [16,17]
|
||||||
|
* PSMC_NE3 PG10 OUT ~CE --- ---
|
||||||
|
* PSMC_NBL0 PE0 OUT ~BLE --- ---
|
||||||
|
* PSMC_NBL1 PE1 OUT ~BHE --- ---
|
||||||
|
* PSMC_NE2 PG9 OUT --- ~E ---
|
||||||
|
* PSMC_NWE PD5 OUT ~WE ~W ~W
|
||||||
|
* PSMC_NOE PD4 OUT ~OE ~G ~R
|
||||||
|
* PSMC_NWAIT PD6 IN --- R~B ---
|
||||||
|
* PSMC_INT2 PG6* IN --- --- R~B
|
||||||
|
*
|
||||||
|
* *JP7 will switch to PD6
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* GPIO configurations unique to SRAM */
|
||||||
|
|
||||||
|
static const uint16 g_sramconfig[] =
|
||||||
|
{
|
||||||
|
/* NE3, NBL0, NBL1, */
|
||||||
|
|
||||||
|
GPIO_NPS_NE3, GPIO_NPS_NBL0, GPIO_NPS_NBL1
|
||||||
|
};
|
||||||
|
#define NSRAM_CONFIG (sizeof(g_sramconfig)/sizeof(uint16))
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: stm32_selectsram
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Initialize to access external SRAM
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
void stm32_selectsram(void)
|
||||||
|
{
|
||||||
|
/* Configure new GPIO state */
|
||||||
|
|
||||||
|
stm32_extmemgpios(g_commonconfig, NCOMMON_CONFIG);
|
||||||
|
stm32_extmemgpios(g_sramconfig, NSRAM_CONFIG);
|
||||||
|
|
||||||
|
/* Enable AHB clocking to the FSMC */
|
||||||
|
|
||||||
|
stm32_enablefsmc();
|
||||||
|
|
||||||
|
/* Bank1 NOR/SRAM control register configuration */
|
||||||
|
|
||||||
|
putreg32(FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR3);
|
||||||
|
|
||||||
|
/* Bank1 NOR/SRAM timing register configuration */
|
||||||
|
|
||||||
|
putreg32(FSMC_BTR_ADDSET(1)|FSMC_BTR_ADDHLD(1)|FSMC_BTR_DATAST(3)|FSMC_BTR_BUSTRUN(1)|
|
||||||
|
FSMC_BTR_CLKDIV(1)|FSMC_BTR_DATLAT(2)|FSMC_BTR_ACCMODA, STM32_FSMC_BTR3);
|
||||||
|
|
||||||
|
putreg32(0xffffffff, STM32_FSMC_BCR3);
|
||||||
|
|
||||||
|
/* Enable the bank */
|
||||||
|
|
||||||
|
putreg32(FSMC_BCR_MBKEN|FSMC_BCR_MWID16|FSMC_BCR_WREN, STM32_FSMC_BCR3);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_STM32_FSMC */
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user