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| author | Andrew Tridgell <tridge@samba.org> | 2014-01-16 17:00:25 +1100 |
|---|---|---|
| committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-01-16 07:57:32 +0100 |
| commit | ff59aa9a0f856826682eb5099b1ec2525c5f7ba6 (patch) | |
| tree | 90d5581b2c9afdb94493918ab8898e3a4711a0e9 /src/systemcmds | |
| parent | 352dea675435794d90f75d4a3c013d2afc439933 (diff) | |
| download | px4-firmware-ff59aa9a0f856826682eb5099b1ec2525c5f7ba6.tar.gz px4-firmware-ff59aa9a0f856826682eb5099b1ec2525c5f7ba6.tar.bz2 px4-firmware-ff59aa9a0f856826682eb5099b1ec2525c5f7ba6.zip | |
mtd: use new MTDIOC_SETSPEED ioctl
set SPI speed to 10MHz
Diffstat (limited to 'src/systemcmds')
| -rw-r--r-- | src/systemcmds/mtd/mtd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/systemcmds/mtd/mtd.c b/src/systemcmds/mtd/mtd.c index 5525a8f33..8bc18b3c2 100644 --- a/src/systemcmds/mtd/mtd.c +++ b/src/systemcmds/mtd/mtd.c @@ -144,7 +144,7 @@ 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, 40 * 1000 * 1000); + SPI_SETFREQUENCY(spi, 10 * 1000 * 1000); SPI_SETBITS(spi, 8); SPI_SETMODE(spi, SPIDEV_MODE3); SPI_SELECT(spi, SPIDEV_FLASH, false); @@ -170,6 +170,10 @@ ramtron_attach(void) 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; } #else |