SAMA5: Add logic to auto-mount a file system on AT25 SPI FLASH for NSH
This commit is contained in:
Gregory Nutt
parent
906506c61c
commit
cbe8c5ed56
@ -5286,4 +5286,8 @@
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and a register access debug option (2013-8-4).
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* configs/sama5d3x-ek/src/sam_spi.c: At board support for the
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AT25 serial flash (2013-8-4).
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* configs/sama5d3x-ek/nsh/defconfig: FAT file system support is
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now enabled by default (2013-8-5)
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* confgis/sama5d3x-ek/src/sam_nsh.c: Automatically mount AT25
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file system for NSH if so configured (2013-8-5).
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@ -411,7 +411,7 @@ static inline void spi_putreg(struct sam_spidev_s *spi, uint32_t value,
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****************************************************************************/
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#if defined(CONFIG_DEBUG_SPI) && defined(CONFIG_DEBUG_VERBOSE)
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static void spi_dumpregs(const struct sam_spidev_s *spi, const char *msg)
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static void spi_dumpregs(struct sam_spidev_s *spi, const char *msg)
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{
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spivdbg("%s:\n", msg);
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spivdbg(" MR:%08x SR:%08x IMR:%08x\n",
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@ -42,4 +42,33 @@ config SAMA5_NOR_START
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option: If SAMA5_NOR_START is defined, then it will not wait but
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will, instead, immediately start the program in NOR FLASH.
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config SAMA5_AT25_AUTOMOUNT
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bool "AT25 auto-mount"
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default n
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depends on NSH_ARCHINIT && SAMA5_SPI0 && MTD_AT25
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---help---
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Automatically initialize the AT25 SPI FLASH driver when NSH starts.
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choice
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prompt "AT25 configuration"
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default SAMA5_AT25_FTL
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depends on SAMA5_AT25_AUTOMOUNT
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config SAMA5_AT25_FTL
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bool "Create AT25 block driver"
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---help---
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Create the MTD driver for the AT25 and "wrap" the AT25 is a standard
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block driver that could then, for example, be mounted using FAT or
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any other file system. Any file system may be used, but there will
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be no wear-leveling.
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config SAMA5_AT25_NXFFS
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bool "Create AT25 NXFFS file system"
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depends on FS_NXFFS
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---help---
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Create the MTD driver for the AT25 and and mount the AT25 device as
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a wear-leveling, NuttX FLASH file system (NXFFS). The downside of
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NXFFS is that it can be very slow.
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endchoice
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endif
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@ -857,7 +857,11 @@ Configurations
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4. This configuration has support for NSH built-in applications enabled.
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However, no built-in applications are selected in the base configuration.
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5. SDRAM support can be enabled by adding the following to your NuttX
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5. This configuration has support for the FAT file system built in. However,
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by default, there are no block drivers intialized. The FAT file system can
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still be used to create RAM disks.
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6. SDRAM support can be enabled by adding the following to your NuttX
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configuration file:
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System Type->ATSAMA5 Peripheral Support
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@ -881,7 +885,7 @@ Configurations
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Another thing you could do is to enable the RAM test built-in
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application:
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6. You can enable the NuttX RAM test that may be used to verify the
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7. You can enable the NuttX RAM test that may be used to verify the
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external SDAM. To do this, keep the SDRAM out of the heap so that
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it can be tested without crashing programs using the memory:
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@ -921,15 +925,7 @@ Configurations
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RAMTest: Pattern test: 20000000 268435456 33333333 cccccccc
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RAMTest: Address-in-address test: 20000000 268435456
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STATUS:
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2013-7-19: This configuration (as do the others) run at 396MHz.
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The SAMA5D3 can run at 536MHz. I still need to figure out the
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PLL settings to get that speed.
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If the CPU speed changes, then so must the NOR and SDRAM
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initialization!
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7. The Embest or Ronetix CPU module includes an Atmel AT25DF321A,
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8. The Embest or Ronetix CPU module includes an Atmel AT25DF321A,
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32-megabit, 2.7-volt SPI serial flash. Support for that serial
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FLASH can be enabled by modifying the NuttX configuration as
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follows:
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@ -947,6 +943,24 @@ Configurations
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CONFIG_AT25_SPIMODE=0 : Use SPI mode 0
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CONFIG_AT25_SPIFREQUENCY=20000000 : Use SPI frequency 20MHz
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Application Configuration -> NSH Library
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CONFIG_NSH_ARCHINIT=y : NSH board-initialization
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Board Selection
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CONFIG_SAMA5_AT25_AUTOMOUNT=y : Mounts AT25 for NSH
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CONFIG_SAMA5_AT25_FTL=y : Create block driver for FAT
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NOTE that you must close JP1 on the Embest/Ronetix board in
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order to enable the AT25 FLASH chip select.
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STATUS:
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2013-7-19: This configuration (as do the others) run at 396MHz.
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The SAMA5D3 can run at 536MHz. I still need to figure out the
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PLL settings to get that speed.
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If the CPU speed changes, then so must the NOR and SDRAM
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initialization!
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2013-7-31: I have been unable to execute this configuration from NOR
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FLASH by closing the BMS jumper (J9). As far as I can tell, this
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jumper does nothing on my board??? I have been using the norboot
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@ -164,6 +164,10 @@ CONFIG_SAMA5_USART1=y
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# CONFIG_SAMA5_MPDDRC is not set
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# CONFIG_PIO_IRQ is not set
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#
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# SPI device driver options
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#
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#
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# External Memory Configuration
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#
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@ -392,8 +396,17 @@ CONFIG_USART1_2STOP=0
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#
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# File system configuration
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#
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CONFIG_DISABLE_MOUNTPOINT=y
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# CONFIG_DISABLE_MOUNTPOINT is not set
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# CONFIG_FS_RAMMAP is not set
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CONFIG_FS_FAT=y
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CONFIG_FAT_LCNAMES=y
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CONFIG_FAT_LFN=y
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CONFIG_FAT_MAXFNAME=32
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# CONFIG_FS_FATTIME is not set
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# CONFIG_FAT_DMAMEMORY is not set
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# CONFIG_FS_NXFFS is not set
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# CONFIG_FS_ROMFS is not set
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# CONFIG_FS_SMARTFS is not set
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# CONFIG_FS_BINFS is not set
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#
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@ -66,6 +66,10 @@ ifeq ($(CONFIG_SAMA5_NOR_MAIN),y)
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CSRCS += nor_main.c
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endif
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ifeq ($(CONFIG_NSH_ARCHINIT),y)
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CSRCS += sam_nsh.c
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endif
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ifeq ($(CONFIG_ARCH_LEDS),y)
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CSRCS += sam_autoleds.c
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else
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169
configs/sama5d3x-ek/src/sam_nsh.c
Normal file
169
configs/sama5d3x-ek/src/sam_nsh.c
Normal file
@ -0,0 +1,169 @@
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/****************************************************************************
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* config/sama5d3x-ek/src/sam_nsh.c
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*
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* Copyright (C) 2013 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 <sys/mount.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_SAMA5_SPI0
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# include <nuttx/spi/spi.h>
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# include <nuttx/mtd.h>
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# include <nuttx/fs/nxffs.h>
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# include "sam_spi.h"
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#endif
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#include "sama5d3x-ek.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 AT25 device if it SPI0 or AT25 support are not enabled */
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#define HAVE_AT25 1
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#if !defined(CONFIG_SAMA5_SPI0) || !defined(CONFIG_MTD_AT25)
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# undef HAVE_AT25
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#endif
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/* Can't support AT25 features if mountpoints are disabled or if we were not
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* asked to mount the AT25 part
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*/
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#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5_AT25_AUTOMOUNT)
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# undef HAVE_AT25
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#endif
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/* If we are going to mount the AT25, then they user must also have told
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* us what to do with it by setting one of these.
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*/
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#if !defined(CONFIG_SAMA5_AT25_FTL) && !defined(CONFIG_SAMA5_AT25_NXFFS)
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# undef HAVE_AT25
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#endif
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#if defined(CONFIG_SAMA5_AT25_FTL) && defined(CONFIG_SAMA5_AT25_NXFFS)
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# warning Both CONFIG_SAMA5_AT25_FTL and CONFIG_SAMA5_AT25_NXFFS are set
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# warning Ignoring CONFIG_SAMA5_AT25_NXFFS
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# undef CONFIG_SAMA5_AT25_NXFFS
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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_MMCSDMINOR
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# define CONFIG_NSH_MMCSDMINOR 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_AT25
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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 driver */
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spi = up_spiinitialize(AT25_PORT);
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if (!spi)
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{
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fdbg("ERROR: Failed to initialize SPI port %d\n", AT25_PORT);
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return -ENODEV;
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}
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/* Now bind the SPI interface to the AT25 SPI FLASH driver */
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mtd = at25_initialize(spi);
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if (!mtd)
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{
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fdbg("ERROR: Failed to bind SPI port %d to the AT25 FLASH driver\n");
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return -ENODEV;
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}
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#if defined(CONFIG_SAMA5_AT25_FTL)
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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_MMCSDMINOR, 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 ret;
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}
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#elif defined(CONFIG_SAMA5_AT25_NXFFS)
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/* Initialize to provide NXFFS on the MTD interface */
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ret = nxffs_initialize(mtd);
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if (ret < 0)
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{
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fdbg("ERROR: NXFFS initialization failed: %d\n", -ret);
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return ret;
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}
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/* Mount the file system at /mnt/at25 */
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ret = mount(NULL, "/mnt/at25", "nxffs", 0, NULL);
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if (ret < 0)
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{
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fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
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return ret;
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}
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#endif
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#endif
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return OK;
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}
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@ -114,7 +114,7 @@
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#define GPIO_AT25_NPCS0 (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
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GPIO_PORT_PIOD | GPIO_PIN13)
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#define AT25_CSNUM 0
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#define AT25_PORT SPI0_CS0
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/************************************************************************************
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* Public Types
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@ -101,14 +101,6 @@ config AT25_SPIFREQUENCY
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int "AT25 SPI Frequency"
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default 20000000
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config AT25_READONLY
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bool "AT25 Read-Only FLASH"
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default n
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config AT25_SECTOR512
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bool "Simulate 512 byte Erase Blocks"
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default n
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endif
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config MTD_AT45DB
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@ -57,11 +57,16 @@
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Configuration ********************************************************************/
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#ifndef CONFIG_AT25_SPIMODE
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# define CONFIG_AT25_SPIMODE SPIDEV_MODE0
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#endif
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#ifndef CONFIG_AT25_SPIFREQUENCY
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# define CONFIG_AT25_SPIFREQUENCY 20000000
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#endif
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/* AT25 Registers *******************************************************************/
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/* Indentification register values */
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@ -180,7 +185,7 @@ static void at25_lock(FAR struct spi_dev_s *dev)
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SPI_SETMODE(dev, CONFIG_AT25_SPIMODE);
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SPI_SETBITS(dev, 8);
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(void)SPI_SETFREQUENCY(dev, 20000000);
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(void)SPI_SETFREQUENCY(dev, CONFIG_AT25_SPIFREQUENCY);
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}
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/************************************************************************************
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@ -162,6 +162,8 @@ extern "C"
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* Public Function Prototypes
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****************************************************************************/
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/* MTD Support **************************************************************/
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/****************************************************************************
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* Name: mtd_partition
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*
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@ -198,6 +200,17 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd,
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int ftl_initialize(int minor, FAR struct mtd_dev_s *mtd);
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/****************************************************************************
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* Name: flash_eraseall
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*
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* Description:
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* Call a block driver with the MDIOC_BULKERASE ioctl command. This will
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* cause the MTD driver to erase all of the flash.
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*
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****************************************************************************/
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int flash_eraseall(FAR const char *driver);
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/****************************************************************************
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* Name: smart_initialize
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*
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@ -217,16 +230,54 @@ int ftl_initialize(int minor, FAR struct mtd_dev_s *mtd);
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int smart_initialize(int minor, FAR struct mtd_dev_s *mtd,
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FAR const char *partname);
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/* MTD Driver Initialization ************************************************/
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/* Create an initialized MTD device instance for a particular memory device.
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* MTD devices are not registered in the file system as are other device
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* driver but, but are created as instances that can be bound to other
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* functions (such as a block or character driver front end).
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*/
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/****************************************************************************
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* Name: flash_eraseall
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* Name: at45db_initialize
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*
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* Description:
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* Call a block driver with the MDIOC_BULKERASE ioctl command. This will
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* cause the MTD driver to erase all of the flash.
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* Initializes the driver for SPI-based AT45DB161D (16Mbit).
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*
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****************************************************************************/
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int flash_eraseall(FAR const char *driver);
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FAR struct mtd_dev_s *at45db_initialize(FAR struct spi_dev_s *dev);
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/****************************************************************************
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* Name: at24c_initialize
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*
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* Description:
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* Initializes the driver for I2C-based at24cxx EEPROM(AT24C32, AT24C64,
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* AT24C128, AT24C256)
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*
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****************************************************************************/
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FAR struct mtd_dev_s *at24c_initialize(FAR struct i2c_dev_s *dev);
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/****************************************************************************
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* Name: at25_initialize
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*
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* Description:
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* Initializes the driver for SPI-based AT25DF321 (32Mbit) flash.
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*
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****************************************************************************/
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FAR struct mtd_dev_s *at25_initialize(FAR struct spi_dev_s *dev);
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/****************************************************************************
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* Name: m25p_initialize
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*
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* Description:
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* Initializes the for SPI-based M25P1 (128Kbit), M25P64 (32Mbit), M25P64
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* (64Mbit), and M25P128 (128Mbit) FLASH (and compatible).
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*
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****************************************************************************/
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FAR struct mtd_dev_s *m25p_initialize(FAR struct spi_dev_s *dev);
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/****************************************************************************
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* Name: rammtd_initialize
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@ -242,49 +293,14 @@ int flash_eraseall(FAR const char *driver);
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FAR struct mtd_dev_s *rammtd_initialize(FAR uint8_t *start, size_t size);
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/****************************************************************************
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* Name: m25p_initialize
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*
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* Description:
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* Create an initialized MTD device instance. MTD devices are not registered
|
||||
* in the file system, but are created as instances that can be bound to
|
||||
* other functions (such as a block or character driver front end).
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct mtd_dev_s *m25p_initialize(FAR struct spi_dev_s *dev);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: at45db_initialize
|
||||
*
|
||||
* Description:
|
||||
* Create an initialized MTD device instance. MTD devices are not registered
|
||||
* in the file system, but are created as instances that can be bound to
|
||||
* other functions (such as a block or character driver front end).
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct mtd_dev_s *at45db_initialize(FAR struct spi_dev_s *dev);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: at24c_initialize
|
||||
*
|
||||
* Description:
|
||||
* Create an initialized MTD device instance. MTD devices are not registered
|
||||
* in the file system, but are created as instances that can be bound to
|
||||
* other functions (such as a block or character driver front end).
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct mtd_dev_s *at24c_initialize(FAR struct i2c_dev_s *dev);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sst25_initialize
|
||||
*
|
||||
* Description:
|
||||
* Create an initialized MTD device instance. MTD devices are not registered
|
||||
* in the file system, but are created as instances that can be bound to
|
||||
* other functions (such as a block or character driver front end).
|
||||
* Initializes the drvier for SPI-based SST25 FLASH
|
||||
*
|
||||
* Supports SST25VF512, SST25VF010, SST25VF520, SST25VF540, SST25VF080,
|
||||
* and SST25VF016
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
@ -295,10 +311,9 @@ FAR struct mtd_dev_s *sst25_initialize(FAR struct spi_dev_s *dev);
|
||||
*
|
||||
* Description:
|
||||
* Create and initialize an MTD device instance assuming an SST39VF NOR
|
||||
* FLASH device at the configured address in memory. MTD devices are not
|
||||
* registered in the file system, but are created as instances that can
|
||||
* be bound to other functions (such as a block or character driver front
|
||||
* end).
|
||||
* FLASH device at the configured address in memory.
|
||||
*
|
||||
* Supports SST39VF1601, SST39VF1602, SST39VF3201, SST39VF3202.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
@ -308,16 +323,13 @@ FAR struct mtd_dev_s *sst39vf_initialize(void);
|
||||
* Name: w25_initialize
|
||||
*
|
||||
* Description:
|
||||
* Create an initialized MTD device instance. MTD devices are not registered
|
||||
* in the file system, but are created as instances that can be bound to
|
||||
* other functions (such as a block or character driver front end).
|
||||
* Initializes the driver for SPI-based W25x16, x32, and x64 and W25q16,
|
||||
* q32, q64, and q128 FLASH
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct mtd_dev_s *w25_initialize(FAR struct spi_dev_s *dev);
|
||||
|
||||
FAR struct mtd_dev_s *at25_initialize(FAR struct spi_dev_s *dev);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_flashinitialize
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user