sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

QSPI: Make changes to interface to better work with the SAMV71

Browse Source
This commit is contained in:
Gregory Nutt 2015-08-27 14:16:51 -06:00
parent d06b709652
commit 361e35a7be
3 changed files with 83 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch

@ -1 +1 @@
Subproject commit 131d15e81914f13308331ebe10a8737bade31601
Subproject commit 3a926c8edd68eac7b60d4430ef9d4284215e3372

84
drivers/mtd/st25fl1.c
View File

@ -311,7 +311,7 @@ static inline void st25fl1_unlock(FAR struct qspi_dev_s *qspi);
static int st25fl1_command(FAR struct qspi_dev_s *qspi, uint8_t cmd);
static int st25fl1_command_address(FAR struct qspi_dev_s *qspi, uint8_t cmd,
off_t address);
off_t addr, uint8_t addrlen);
static int st25fl1_command_read(FAR struct qspi_dev_s *qspi, uint8_t cmd,
FAR void *buffer, size_t buflen);
static int st25fl1_command_write(FAR struct qspi_dev_s *qspi, uint8_t cmd,
@ -324,7 +324,6 @@ static void st25fl1_write_disable(FAR struct qspi_dev_s *qspi);
static int st25fl1_readid(FAR struct st25fl1_dev_s *priv);
static void st25fl1_unprotect(FAR struct st25fl1_dev_s *priv);
static uint8_t st25fl1_waitwritecomplete(FAR struct st25fl1_dev_s *priv);
static int st25fl1_erase_sector(FAR struct st25fl1_dev_s *priv, off_t offset);
static int st25fl1_erase_chip(FAR struct st25fl1_dev_s *priv);
static void st25fl1_read_byte(FAR struct st25fl1_dev_s *priv, FAR uint8_t *buffer,
@ -401,10 +400,39 @@ static inline void st25fl1_unlock(FAR struct qspi_dev_s *qspi)
static int st25fl1_command(FAR struct qspi_dev_s *qspi, uint8_t cmd)
{
/* This function just allows us to insert debug output */
struct qspi_xfrinfo_s xfrinfo;
fvdbg("CMD: %02x\n", cmd);
return QSPI_COMMAND(qspi, (uint16_t)cmd);
xfrinfo.flags = 0;
xfrinfo.addrlen = 0;
xfrinfo.cmd = cmd;
xfrinfo.buflen = 0;
xfrinfo.addr = 0;
xfrinfo.buffer = NULL;
return QSPI_COMMAND(qspi, &xfrinfo);
}
/************************************************************************************
* Name: st25fl1_command_address
************************************************************************************/
static int st25fl1_command_address(FAR struct qspi_dev_s *qspi, uint8_t cmd,
off_t addr, uint8_t addrlen)
{
struct qspi_xfrinfo_s xfrinfo;
fvdbg("CMD: %02x Address: %04lx addrlen=%d\n", cmd, (unsigned long)addr, addrlen);
xfrinfo.flags = QSPIXFR_ADDRESS;
xfrinfo.addrlen = addrlen;
xfrinfo.cmd = cmd;
xfrinfo.buflen = 0;
xfrinfo.addr = addr;
xfrinfo.buffer = NULL;
return QSPI_COMMAND(qspi, &xfrinfo);
}
/************************************************************************************
@ -414,10 +442,18 @@ static int st25fl1_command(FAR struct qspi_dev_s *qspi, uint8_t cmd)
static int st25fl1_command_read(FAR struct qspi_dev_s *qspi, uint8_t cmd,
FAR void *buffer, size_t buflen)
{
/* This function just allows us to insert debug output */
struct qspi_xfrinfo_s xfrinfo;
fvdbg("CMD: %02x buflen: %lu\n", cmd, (unsigned long)buflen);
return QSPI_COMMAND_READ(qspi, (uint16_t)cmd, buffer, buflen);
xfrinfo.flags = QSPIXFR_READDATA;
xfrinfo.addrlen = 0;
xfrinfo.cmd = cmd;
xfrinfo.buflen = buflen;
xfrinfo.addr = 0;
xfrinfo.buffer = buffer;
return QSPI_COMMAND(qspi, &xfrinfo);
}
/************************************************************************************
@ -427,10 +463,18 @@ static int st25fl1_command_read(FAR struct qspi_dev_s *qspi, uint8_t cmd,
static int st25fl1_command_write(FAR struct qspi_dev_s *qspi, uint8_t cmd,
FAR const void *buffer, size_t buflen)
{
/* This function just allows us to insert debug output */
struct qspi_xfrinfo_s xfrinfo;
fvdbg("CMD: %02x buflen: %lu\n", cmd, (unsigned long)buflen);
return QSPI_COMMAND_WRITE(qspi, (uint16_t)cmd, buffer, buflen);
xfrinfo.flags = QSPIXFR_WRITEDATA;
xfrinfo.addrlen = 0;
xfrinfo.cmd = cmd;
xfrinfo.buflen = buflen;
xfrinfo.addr = 0;
xfrinfo.buffer = (FAR void *)buffer;
return QSPI_COMMAND(qspi, &xfrinfo);
}
/************************************************************************************
@ -584,31 +628,13 @@ static void st25fl1_unprotect(FAR struct st25fl1_dev_s *priv)
#warning Missing Logic
}
/************************************************************************************
* Name: st25fl1_waitwritecomplete
************************************************************************************/
static uint8_t st25fl1_waitwritecomplete(struct st25fl1_dev_s *priv)
{
uint8_t status;
/* Loop as long as the memory is busy with a write cycle */
do
{
#warning Missing Logic
}
while ((status & STATUS1_BUSY_MASK) == STATUS1_BUSY);
return status;
}
/************************************************************************************
* Name: st25fl1_erase_sector
************************************************************************************/
static int st25fl1_erase_sector(struct st25fl1_dev_s *priv, off_t sector)
{
off_t address;
#ifdef CONFIG_DEBUG
uint8_t status;
#endif
@ -635,8 +661,10 @@ static int st25fl1_erase_sector(struct st25fl1_dev_s *priv, off_t sector)
/* Send the sector erase command */
address = (off_t)sector << priv->sectorshift;
st25fl1_write_enable(priv->qspi);
st25fl1_command_address(priv->qspi, ST25FL1_SECTOR_ERASE, sector);
st25fl1_command_address(priv->qspi, ST25FL1_SECTOR_ERASE, address, 3);
/* Wait for erasure to finish */

79
include/nuttx/spi/qspi.h
View File

@ -131,67 +131,29 @@
* Name: QSPI_COMMAND
*
* Description:
* Send a command to the QSPI device
* Perform one QSPI command transfer
*
* Input Parameters:
* dev - Device-specific state data
* cmd - The command to send. the size of the data is determined by the
* number of bits selected for the QSPI interface.
* xfrinfo - Describes the command transfer to be performed.
*
* Returned Value:
* Zero (OK) on SUCCESS, a negated errno on value of failure
*
****************************************************************************/
#define QSPI_COMMAND(d,c) ((d)->ops->command(d,(uint16_t)c))
#define QSPI_COMMAND(d,x) (d)->ops->command(d,x)
/****************************************************************************
* Name: QSPI_COMMAND_WRITE
*
* Description:
* Send a command then send a block of data.
*
* Input Parameters:
* dev - Device-specific state data
* cmd - The command to send. the size of the data is determined by
* the number of bits selected for the QSPI interface.
* buffer - A pointer to the buffer of data to be sent
* buflen - the length of data to send from the buffer in number of words.
* The wordsize is determined by the number of bits-per-word
* selected for the QSPI interface. If nbits <= 8, the data is
* packed into uint8_t's; if nbits >8, the data is packed into
* uint16_t's
*
* Returned Value:
* Zero (OK) on SUCCESS, a negated errno on value of failure
*
****************************************************************************/
/* QSPI Transfer Flags */
#define QSPI_COMMAND_WRITE(d,c,b,l) ((d)->ops->command_write(d,c,b,l))
#define QSPIXFR_ADDRESS (1 << 0) /* Enable address transfer */
#define QSPIXFR_READDATA (1 << 1) /* Enable read data transfer */
#define QSPIXFR_WRITEDATA (1 << 2) /* Enable write data transfer */
/****************************************************************************
* Name: QSPI_COMMAND_READ
*
* Description:
* Receive a block of data from QSPI. Required.
*
* Input Parameters:
* dev - Device-specific state data
* cmd - The command to send. the size of the data is determined by
* the number of bits selected for the QSPI interface.
* buffer - A pointer to the buffer in which to receive data
* buflen - the length of data that can be received in the buffer in number
* of words. The wordsize is determined by the number of bits-
* per-word selected for the QSPI interface. If nbits <= 8, the
* data is packed into uint8_t's; if nbits >8, the data is packed
* into uint16_t's
*
* Returned Value:
* Zero (OK) on SUCCESS, a negated errno on value of failure
*
****************************************************************************/
#define QSPI_COMMAND_READ(d,c,b,l) ((d)->ops->command_read(d,c,b,l))
#define QSPIXFR_ISADDRESS(f) (((f) & QSPIXFR_ADDRESS) != 0)
#define QSPIXFR_ISDATA(f) (((f) & (QSPIXFR_READDATA | QSPIXFR_WRITEDATA)) != 0)
#define QSPIXFR_ISREAD(f) (((f) & QSPIXFR_READDATA) != 0)
#define QSPIXFR_ISWRITE(f) (((f) & QSPIXFR_WRITEDATA) != 0)
/****************************************************************************
* Public Types
@ -207,6 +169,18 @@ enum qspi_mode_e
QSPIDEV_MODE3 /* CPOL=1 CHPHA=1 */
};
/* This structure describes one transfer */
struct qspi_xfrinfo_s
{
uint8_t flags; /* See QSPIXFR_* definitions */
uint8_t addrlen; /* Address length in bytes (if QSPIXFR_ADDRESS) */
uint16_t cmd; /* Command */
uint16_t buflen; /* Data buffer length in bytes (if QSPIXFR_DATA) */
uint32_t addr; /* Address (if QSPIXFR_ADDRESS) */
FAR void *buffer; /* Data buffer (if QSPIXFR_DATA) */
};
/* The QSPI vtable */
struct qspi_dev_s;
@ -216,11 +190,8 @@ struct qspi_ops_s
CODE uint32_t (*setfrequency)(FAR struct qspi_dev_s *dev, uint32_t frequency);
CODE void (*setmode)(FAR struct qspi_dev_s *dev, enum qspi_mode_e mode);
CODE void (*setbits)(FAR struct qspi_dev_s *dev, int nbits);
CODE int (*command)(FAR struct qspi_dev_s *dev, uint16_t command);
CODE int (*command_write)(FAR struct qspi_dev_s *dev, uint16_t cmd,
FAR const void *buffer, size_t buflen);
CODE int (*command_read)(FAR struct qspi_dev_s *dev, uint16_t cmd,
FAR void *buffer, size_t buflen);
CODE int (*command)(FAR struct qspi_dev_s *dev,
FAR struct qspi_xfrinfo_s *xfrinfo);
};
/* QSPI private data. This structure only defines the initial fields of the