diff options
| author | Michael Brown | 2007-07-28 17:05:41 +0200 |
|---|---|---|
| committer | Michael Brown | 2007-07-28 17:05:41 +0200 |
| commit | ca41159f577ba787d52005af850380259690f933 (patch) | |
| tree | 8d46a1543c1aacfb41506cc26215cd925d97b223 /src/drivers/bitbash | |
| parent | Prepare for iBFT merge when possible. iscsiboot.c contains a really, (diff) | |
| download | ipxe-ca41159f577ba787d52005af850380259690f933.tar.gz ipxe-ca41159f577ba787d52005af850380259690f933.tar.xz ipxe-ca41159f577ba787d52005af850380259690f933.zip | |
Ensure clock line is in the idle state before asserting chip select.
Diffstat (limited to 'src/drivers/bitbash')
| -rw-r--r-- | src/drivers/bitbash/spi_bit.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/drivers/bitbash/spi_bit.c b/src/drivers/bitbash/spi_bit.c index e2175d60..a4e7136f 100644 --- a/src/drivers/bitbash/spi_bit.c +++ b/src/drivers/bitbash/spi_bit.c @@ -153,6 +153,10 @@ static int spi_bit_rw ( struct spi_bus *bus, struct spi_device *device, = container_of ( bus, struct spi_bit_basher, bus ); uint32_t tmp; + /* Set clock line to idle state */ + write_bit ( &spibit->basher, SPI_BIT_SCLK, + ( bus->mode & SPI_MODE_CPOL ) ); + /* Assert chip select on specified slave */ spi_bit_set_slave_select ( spibit, device->slave, SELECT_SLAVE ); |