int stm32_w25initialize(int minor)
{
#ifdef HAVE_W25
FAR struct spi_dev_s *spi;
FAR struct mtd_dev_s *mtd;
#ifdef CONFIG_FS_NXFFS
char devname[12];
#endif
int ret;
/* Get the SPI port */
spi = up_spiinitialize(1);
if (!spi)
{
fdbg("ERROR: Failed to initialize SPI port 2\n");
return -ENODEV;
}
/* Now bind the SPI interface to the W25 SPI FLASH driver */
mtd = w25_initialize(spi);
if (!mtd)
{
fdbg("ERROR: Failed to bind SPI port 2 to the SST 25 FLASH driver\n");
return -ENODEV;
}
#ifndef CONFIG_FS_NXFFS
/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
ret = ftl_initialize(minor, mtd);
if (ret < 0)
{
fdbg("ERROR: Initialize the FTL layer\n");
return ret;
}
#else
/* Initialize to provide NXFFS on the MTD interface */
ret = nxffs_initialize(mtd);
if (ret < 0)
{
fdbg("ERROR: NXFFS initialization failed: %d\n", -ret);
return ret;
}
/* Mount the file system at /mnt/w25 */
snprintf(devname, 12, "/mnt/w25%c", 'a' + minor);
ret = mount(NULL, devname, "nxffs", 0, NULL);
if (ret < 0)
{
fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
return ret;
}
#endif
#endif
return OK;
}
static void
ramtron_attach(void)
{
/* find the right spi */
struct spi_dev_s *spi = up_spiinitialize(2);
/* this resets the spi bus, set correct bus speed again */
SPI_SETFREQUENCY(spi, 10 * 1000 * 1000);
SPI_SETBITS(spi, 8);
SPI_SETMODE(spi, SPIDEV_MODE3);
SPI_SELECT(spi, SPIDEV_FLASH, false);
if (spi == NULL)
errx(1, "failed to locate spi bus");
/* start the RAMTRON driver, attempt 5 times */
for (int i = 0; i < 5; i++) {
// mtd_dev = ramtron_initialize(spi);
mtd_dev = w25_initialize(spi);
if (mtd_dev) {
/* abort on first valid result */
if (i > 0) {
warnx("warning: mtd needed %d attempts to attach", i + 1);
}
break;
}
}
/* if last attempt is still unsuccessful, abort */
if (mtd_dev == NULL)
errx(1, "failed to initialize mtd driver");
int ret = mtd_dev->ioctl(mtd_dev, MTDIOC_SETSPEED, (unsigned long)10*1000*1000);
if (ret != OK)
warnx(1, "failed to set bus speed");
attached = true;
}
static void up_init_smartfs(void)
{
FAR struct mtd_dev_s *mtd;
int minor = 0;
#if defined(CONFIG_MTD_M25P) || defined(CONFIG_MTD_W25) || defined(CONFIG_MTD_SST26)
FAR struct spi_dev_s *spi;
#endif
#ifdef CONFIG_MTD_N25QXXX
FAR struct qspi_dev_s *qspi;
#endif
#ifdef CONFIG_SIM_SPIFLASH
#ifdef CONFIG_MTD_M25P
/* Initialize a simulated SPI FLASH block device m25p MTD driver */
spi = up_spiflashinitialize("m25p");
if (spi != NULL)
{
mtd = m25p_initialize(spi);
/* Now initialize a SMART Flash block device and bind it to the MTD device */
if (mtd != NULL)
{
smart_initialize(minor++, mtd, "_m25p");
}
}
#endif
#ifdef CONFIG_MTD_SST26
/* Initialize a simulated SPI FLASH block device sst26 MTD driver */
spi = up_spiflashinitialize("sst26");
if (spi != NULL)
{
mtd = sst26_initialize_spi(spi);
/* Now initialize a SMART Flash block device and bind it to the MTD device */
if (mtd != NULL)
{
smart_initialize(minor++, mtd, "_sst26");
}
}
#endif
#ifdef CONFIG_MTD_W25
/* Initialize a simulated SPI FLASH block device w25 MTD driver */
spi = up_spiflashinitialize("w25");
if (spi != NULL)
{
mtd = w25_initialize(spi);
/* Now initialize a SMART Flash block device and bind it to the MTD device */
if (mtd != NULL)
{
smart_initialize(minor++, mtd, "_w25");
}
}
#endif
#endif /* CONFIG_SIM_SPIFLASH */
#if defined(CONFIG_MTD_N25QXXX) && defined(CONFIG_SIM_QSPIFLASH)
/* Initialize a simulated SPI FLASH block device n25qxxx MTD driver */
qspi = up_qspiflashinitialize();
if (qspi != NULL)
{
mtd = n25qxxx_initialize(qspi, 0);
/* Now initialize a SMART Flash block device and bind it to the MTD device */
if (mtd != NULL)
{
smart_initialize(minor++, mtd, "_n25q");
}
}
#endif
}
