Add a driver for SST 25 FLASH
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4868 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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@ -163,6 +163,14 @@ CONFIG_PIC32MX_IOPORTA=y
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CONFIG_PIC32MX_IOPORTB=y
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CONFIG_PIC32MX_IOPORTC=y
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#
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# Mirtoo Board Settings
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#
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CONFIG_MTD_SST25=n
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#CONFIG_SST25_SPIMODE
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#CONFIG_SST25_SPIFREQUENCY
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CONFIG_SST25_SECTOR512=n
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#
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# PIC32MX Configuration Settings
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#
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@ -346,6 +354,8 @@ CONFIG_DEBUG=n
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CONFIG_DEBUG_VERBOSE=n
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CONFIG_DEBUG_SYMBOLS=n
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CONFIG_DEBUG_SCHED=n
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CONFIG_DEBUG_FS=n
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CONFIG_DEBUG_SPI=n
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CONFIG_HAVE_CXX=n
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CONFIG_HAVE_CXXINITIALIZE=n
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@ -44,6 +44,10 @@ ifeq ($(CONFIG_PIC32MX_SPI2),y)
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CSRCS += up_spi2.c
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endif
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ifeq ($(CONFIG_NSH_ARCHINIT),y)
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CSRCS += up_nsh.c
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endif
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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COBJS = $(CSRCS:.c=$(OBJEXT))
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@ -53,8 +57,8 @@ OBJS = $(AOBJS) $(COBJS)
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ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
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ifeq ($(WINTOOL),y)
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CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
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-I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
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-I "${shell cygpath -w $(ARCH_SRCDIR)/mips32}"
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-I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
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-I "${shell cygpath -w $(ARCH_SRCDIR)/mips32}"
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else
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CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/mips32
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endif
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126
configs/mirtoo/src/up_nsh.c
Normal file
126
configs/mirtoo/src/up_nsh.c
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@ -0,0 +1,126 @@
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/****************************************************************************
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* config/mirtoo/src/up_nsh.c
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* arch/arm/src/board/up_nsh.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 <stdbool.h>
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#include <stdio.h>
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#include <errno.h>
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#include <debug.h>
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#ifdef CONFIG_PIC32MX_SPI2
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# include <nuttx/spi.h>
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# include <nuttx/mtd.h>
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#endif
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#include "pic32mx-internal.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Can't support the SST25 device if it SPI2 or SST25 support is not enabled */
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#define HAVE_SST25 1
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#if !defined(CONFIG_PIC32MX_SPI2) || !defined(CONFIG_MTD_SST25)
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# undef HAVE_SST25
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#endif
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/* Can't support SST25 features if mountpoints are disabled */
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#if defined(CONFIG_DISABLE_MOUNTPOINT)
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# undef HAVE_SST25
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#endif
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/* Use minor device number 0 is not is provided */
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#ifndef CONFIG_NSH_SST25MINOR
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# define CONFIG_NSH_SST25MINOR 0
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nsh_archinitialize
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*
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* Description:
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* Perform architecture specific initialization
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*
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****************************************************************************/
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int nsh_archinitialize(void)
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{
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#ifdef HAVE_SST25
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FAR struct spi_dev_s *spi;
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FAR struct mtd_dev_s *mtd;
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int ret;
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/* Get the SPI port */
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spi = up_spiinitialize(2);
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if (!spi)
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{
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fdbg("ERROR: Failed to initialize SPI port 2\n");
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return -ENODEV;
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}
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/* Now bind the SPI interface to the SST 25 SPI FLASH driver */
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mtd = sst25_initialize(spi);
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if (!mtd)
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{
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fdbg("ERROR: Failed to bind SPI port 2 to the SST 25 FLASH driver\n");
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return -ENODEV;
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}
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/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
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ret = ftl_initialize(CONFIG_NSH_SST25MINOR, mtd);
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if (ret < 0)
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{
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fdbg("ERROR: Initialize the FTL layer\n");
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return -ENODEV;
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}
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#endif
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return OK;
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}
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@ -51,7 +51,7 @@
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#include "chip.h"
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#include "pic32mx-internal.h"
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#include "pic32mx-pps.h"
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#include "mirtoo_internal.h"
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#include "mirtoo-internal.h"
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#ifdef CONFIG_PIC32MX_SPI2
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@ -119,8 +119,6 @@
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void weak_function pic32mx_spi2initialize(void)
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{
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uint32_t regval;
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/* Make sure that TRIS pins are set correctly. Configure the SPI pins as digital
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* inputs and outputs first.
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*/
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@ -171,7 +169,7 @@ void weak_function pic32mx_spi2initialize(void)
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struct spi_dev_s;
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enum spi_dev_e;
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void pic31mx_spi2select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
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void pic32mx_spi2select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
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{
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spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
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@ -185,13 +183,13 @@ void pic31mx_spi2select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool s
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}
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}
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uint8_t pic31mx_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
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uint8_t pic32mx_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
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{
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return 0;
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}
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#ifdef CONFIG_SPI_CMDDATA
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int pic31mx_spi2cmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd)
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int pic32mx_spi2cmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd)
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{
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return 0;
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}
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