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Add a driver for the SST30VF NOR FLASH parts

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5640 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2013-02-11 21:44:00 +00:00
parent bd08bbfc25
commit 69fd9e1415
9 changed files with 207 additions and 50 deletions
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drivers/mtd/Kconfig
+42 -21
View File
@@ -7,55 +7,60 @@ config MTD_AT24XX
default n
select I2C
if MTD_AT24XX
config AT24XX_SIZE
int "at24xx size(kByte)"
default 64
depends on MTD_AT24XX
config AT24XX_ADDR
hex "at24xx i2c address"
default 0x50
depends on MTD_AT24XX
endif
config MTD_AT45DB
bool "SPI-based AT45DB flash"
default n
select SPI
if MTD_AT45DB
config AT45DB_FREQUENCY
int "at45db frequency"
default 1000000
depends on MTD_AT45DB
config AT45DB_PREWAIT
bool "enables higher performance write logic"
default y
depends on MTD_AT45DB
config AT45DB_PWRSAVE
bool "enables power save"
default n
depends on MTD_AT45DB
endif
config MTD_MP25P
bool "SPI-based M25P FLASH"
default n
select SPI
if MTD_MP25P
config MP25P_SPIMODE
int "MP25P SPI mode"
default 0
depends on MTD_MP25P
config MP25P_MANUFACTURER
hex "MP25P manufacturers ID"
default 0x20
depends on MTD_MP25P
---help---
Various manufacturers may have produced the parts. 0x20 is the manufacturer ID
for the STMicro MP25x serial FLASH. If, for example, you are using the a Macronix
International MX25 serial FLASH, the correct manufacturer ID would be 0xc2.
endif
config MTD_RAMTRON
bool "SPI-based RAMTRON NVRAM Devices FM25V10"
default n
@@ -72,62 +77,78 @@ config MTD_SST25
default n
select SPI
if MTD_SST25
config SST25_SPIMODE
int "SST25 SPI Mode"
default 0
depends on MTD_SST25
config SST25_SPIFREQUENCY
int "SST25 SPI Frequency"
default 20000000
depends on MTD_SST25
config SST25_READONLY
bool "SST25 Read-Only FLASH"
default n
depends on MTD_SST25
config SST25_SECTOR512
bool "Simulate 512 byte Erase Blocks"
default n
depends on MTD_SST25
config SST25_SLOWWRITE
bool
default y
depends on MTD_SST25
config SST25_SLOWREAD
bool
default n
depends on MTD_SST25
endif
config MTD_SST39FV
bool "SST39FV NOR FLASH"
default n
---help---
Selects 16-bit SST NOR FLASH. This includes support for:
SST39FV1601/SST39FV1602: 2Mb
SST39FV3201/SST39FV3202: 4Mb
if MTD_SST39FV
config SST39VF_BASE_ADDRESS
hex "SST39FV bass address"
default 0x00000000
---help---
This is the address where the SST29VF FLASH can be found in memory.
endif
config MTD_W25
bool "SPI-based W25 FLASH"
default n
select SPI
if MTD_W25
config W25_SPIMODE
int "W25 SPI Mode"
default 0
depends on MTD_W25
config W25_SPIFREQUENCY
int "W25 SPI Frequency"
default 20000000
depends on MTD_W25
config W25_READONLY
bool "W25 Read-Only FLASH"
default n
depends on MTD_W25
config W25_SECTOR512
bool "Simulate 512 byte Erase Blocks"
default n
depends on MTD_W25
config W25_SLOWREAD
bool
default n
depends on MTD_W25
endif
drivers/mtd/Make.defs
+4
View File
@@ -49,6 +49,10 @@ ifeq ($(CONFIG_MTD_SST25),y)
CSRCS += sst25.c
endif
ifeq ($(CONFIG_MTD_SST39FV),y)
CSRCS += sst39vf.c
endif
ifeq ($(CONFIG_MTD_W25),y)
CSRCS += w25.c
endif
drivers/mtd/skeleton.c
+25 -7
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* drivers/mtd/skeleton.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -84,11 +84,12 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg);
/****************************************************************************
* Private Data
****************************************************************************/
/* This structure holds the state of the MTD driver */
static struct skel_dev_s g_skeldev =
{
{ skel_erase, skel_rbead, skel_bwrite, skel_read, skel_ioctl },
/* Initialization of any other implemenation specific data goes here */
/* Initialization of any other implementation specific data goes here */
};
/****************************************************************************
@@ -97,9 +98,14 @@ static struct skel_dev_s g_skeldev =
/****************************************************************************
* Name: skel_erase
*
* Description:
* Erase several blocks, each of the size previously reported.
*
****************************************************************************/
static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks)
static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock,
size_t nblocks)
{
FAR struct skel_dev_s *priv = (FAR struct skel_dev_s *)dev;
@@ -115,6 +121,10 @@ static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblock
/****************************************************************************
* Name: skel_bread
*
* Description:
* Read the specified number of blocks into the user provided buffer.
*
****************************************************************************/
static ssize_t skel_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
@@ -136,6 +146,10 @@ static ssize_t skel_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nb
/****************************************************************************
* Name: skel_bwrite
*
* Description:
* Write the specified number of blocks from the user provided buffer.
*
****************************************************************************/
static ssize_t skel_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
@@ -157,6 +171,10 @@ static ssize_t skel_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t n
/****************************************************************************
* Name: skel_read
*
* Description:
* Read the specified number of bytes to the user provided buffer.
*
****************************************************************************/
static ssize_t skel_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes,
@@ -197,7 +215,7 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
{
case MTDIOC_GEOMETRY:
{
FAR struct mtd_geometry_s *geo = (FARstruct mtd_geometry_s *)arg;
FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *)arg;
if (geo)
{
/* Populate the geometry structure with information need to know
@@ -236,9 +254,9 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
case MTDIOC_BULKERASE:
{
/* Erase the entire device */
/* Erase the entire device */
ret = OK;
ret = OK;
}
break;
@@ -265,7 +283,7 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
*
****************************************************************************/
void skel_initialize(void)
FAR struct mtd_dev_s *skel_initialize(void)
{
/* Perform initialization as necessary */