diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/cf_spi.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/spi/cf_spi.c b/drivers/spi/cf_spi.c index 722aafc..a883da9 100644 --- a/drivers/spi/cf_spi.c +++ b/drivers/spi/cf_spi.c @@ -49,6 +49,14 @@ extern void cfspi_release_bus(uint bus, uint cs); DECLARE_GLOBAL_DATA_PTR; +#ifndef CONFIG_SPI_IDLE_VAL +#if defined(CONFIG_SPI_MMC) +#define CONFIG_SPI_IDLE_VAL 0xFFFF +#else +#define CONFIG_SPI_IDLE_VAL 0x0 +#endif +#endif + #if defined(CONFIG_CF_DSPI) /* DSPI specific mode */ #define SPI_MODE_MOD 0x00200000 @@ -145,7 +153,7 @@ int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, } if (din != NULL) { - cfspi_tx(ctrl, 0); + cfspi_tx(ctrl, CONFIG_SPI_IDLE_VAL); if (cfslave->charbit == 16) *spi_rd16++ = cfspi_rx(); else @@ -169,7 +177,7 @@ int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, } if (din != NULL) { - cfspi_tx(ctrl, 0); + cfspi_tx(ctrl, CONFIG_SPI_IDLE_VAL); if (cfslave->charbit == 16) *spi_rd16 = cfspi_rx(); else @@ -177,7 +185,7 @@ int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, } } else { /* dummy read */ - cfspi_tx(ctrl, 0); + cfspi_tx(ctrl, CONFIG_SPI_IDLE_VAL); cfspi_rx(); } |