diff options
Diffstat (limited to 'src/soc/imgtec/pistachio/spi.c')
| -rw-r--r-- | src/soc/imgtec/pistachio/spi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/imgtec/pistachio/spi.c b/src/soc/imgtec/pistachio/spi.c index 69682d0456..5522f2408e 100644 --- a/src/soc/imgtec/pistachio/spi.c +++ b/src/soc/imgtec/pistachio/spi.c @@ -25,6 +25,9 @@ #error "Unsupported SPI driver API" #endif +/* Imgtec controller uses 16 bit packet length. */ +#define IMGTEC_SPI_MAX_TRANSFER_SIZE ((1 << 16) - 1) + struct img_spi_slave { struct spi_slave slave; /* SPIM instance device parameters */ @@ -441,6 +444,8 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) slave->bus = bus; slave->cs = cs; slave->rw = SPI_READ_FLAG | SPI_WRITE_FLAG; + slave->max_transfer_size = IMGTEC_SPI_MAX_TRANSFER_SIZE; + device_parameters->bitrate = 64; device_parameters->cs_setup = 0; device_parameters->cs_hold = 0; |