From: Jagan Teki jteki@openedev.com
Make rx mode flags as generic to spi, earlier mode_rx is maintained separately because of some flash specific code.
Cc: Simon Glass sjg@chromium.org Cc: Bin Meng bmeng.cn@gmail.com Cc: Michal Simek michal.simek@xilinx.com Cc: Siva Durga Prasad Paladugu sivadur@xilinx.com Cc: Vignesh R vigneshr@ti.com Cc: Mugunthan V N mugunthanvnm@ti.com Signed-off-by: Jagan Teki jteki@openedev.com --- drivers/mtd/spi/spi_flash.c | 6 +++--- drivers/spi/cadence_qspi.c | 2 +- drivers/spi/ich.c | 6 ++---- drivers/spi/spi-uclass.c | 11 ++++------- drivers/spi/ti_qspi.c | 6 +++--- include/spi.h | 14 ++++---------- 6 files changed, 17 insertions(+), 28 deletions(-)
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 5fd408c..041b64f 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -1172,11 +1172,11 @@ int spi_flash_scan(struct spi_flash *flash)
/* Look for read commands */ flash->read_cmd = CMD_READ_ARRAY_FAST; - if (spi->mode_rx & SPI_RX_SLOW) + if (spi->mode & SPI_RX_SLOW) flash->read_cmd = CMD_READ_ARRAY_SLOW; - else if (spi->mode_rx & SPI_RX_QUAD && params->flags & RD_QUAD) + else if (spi->mode & SPI_RX_QUAD && params->flags & RD_QUAD) flash->read_cmd = CMD_READ_QUAD_OUTPUT_FAST; - else if (spi->mode_rx & SPI_RX_DUAL && params->flags & RD_DUAL) + else if (spi->mode & SPI_RX_DUAL && params->flags & RD_DUAL) flash->read_cmd = CMD_READ_DUAL_OUTPUT_FAST;
/* Look for write commands */ diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index a5244ff..1d50f13 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -251,7 +251,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen, break; case CQSPI_INDIRECT_READ: err = cadence_qspi_apb_indirect_read_setup(plat, - priv->cmd_len, dm_plat->mode_rx, cmd_buf); + priv->cmd_len, dm_plat->mode, cmd_buf); if (!err) { err = cadence_qspi_apb_indirect_read_execute (plat, data_bytes, din); diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index 00b2fed..caf0103 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -649,10 +649,8 @@ static int ich_spi_child_pre_probe(struct udevice *dev) * ICH 7 SPI controller only supports array read command * and byte program command for SST flash */ - if (plat->ich_version == ICHV_7) { - slave->mode_rx = SPI_RX_SLOW; - slave->mode = SPI_TX_BYTE; - } + if (plat->ich_version == ICHV_7) + slave->mode = SPI_RX_SLOW | SPI_TX_BYTE;
return 0; } diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 247abfa..d9c49e4 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -164,7 +164,6 @@ static int spi_child_pre_probe(struct udevice *dev)
slave->max_hz = plat->max_hz; slave->mode = plat->mode; - slave->mode_rx = plat->mode_rx; slave->wordlen = SPI_DEFAULT_WORDLEN;
return 0; @@ -381,7 +380,7 @@ void spi_free_slave(struct spi_slave *slave) int spi_slave_ofdata_to_platdata(const void *blob, int node, struct dm_spi_slave_platdata *plat) { - int mode = 0, mode_rx = 0; + int mode = 0; int value;
plat->cs = fdtdec_get_int(blob, node, "reg", -1); @@ -413,24 +412,22 @@ int spi_slave_ofdata_to_platdata(const void *blob, int node, break; }
- plat->mode = mode; - value = fdtdec_get_uint(blob, node, "spi-rx-bus-width", 1); switch (value) { case 1: break; case 2: - mode_rx |= SPI_RX_DUAL; + mode |= SPI_RX_DUAL; break; case 4: - mode_rx |= SPI_RX_QUAD; + mode |= SPI_RX_QUAD; break; default: error("spi-rx-bus-width %d not supported\n", value); break; }
- plat->mode_rx = mode_rx; + plat->mode = mode;
return 0; } diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index bb72cb0..e51cbd0 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -336,7 +336,7 @@ static void ti_spi_setup_spi_register(struct ti_qspi_priv *priv) QSPI_SETUP0_NUM_D_BYTES_8_BITS | QSPI_SETUP0_READ_QUAD | QSPI_CMD_WRITE | QSPI_NUM_DUMMY_BITS); - slave->mode_rx = SPI_RX_QUAD; + slave->mode |= SPI_RX_QUAD; #else memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES | QSPI_SETUP0_NUM_D_BYTES_NO_BITS | @@ -422,7 +422,7 @@ static void __ti_qspi_setup_memorymap(struct ti_qspi_priv *priv, bool enable) { u32 memval; - u32 mode = slave->mode_rx & (SPI_RX_QUAD | SPI_RX_DUAL); + u32 mode = slave->mode & (SPI_RX_QUAD | SPI_RX_DUAL);
if (!enable) { writel(0, &priv->base->setup0); @@ -436,7 +436,7 @@ static void __ti_qspi_setup_memorymap(struct ti_qspi_priv *priv, memval |= QSPI_CMD_READ_QUAD; memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS; memval |= QSPI_SETUP0_READ_QUAD; - slave->mode_rx = SPI_RX_QUAD; + slave->mode |= SPI_RX_QUAD; break; case SPI_RX_DUAL: memval |= QSPI_CMD_READ_DUAL; diff --git a/include/spi.h b/include/spi.h index ca96fa4..b262e06 100644 --- a/include/spi.h +++ b/include/spi.h @@ -26,12 +26,10 @@ #define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */ #define SPI_TX_DUAL BIT(9) /* transmit with 2 wires */ #define SPI_TX_QUAD BIT(10) /* transmit with 4 wires */ - -/* SPI mode_rx flags */ -#define SPI_RX_SLOW BIT(0) /* receive with 1 wire slow */ -#define SPI_RX_FAST BIT(1) /* receive with 1 wire fast */ -#define SPI_RX_DUAL BIT(2) /* receive with 2 wires */ -#define SPI_RX_QUAD BIT(3) /* receive with 4 wires */ +#define SPI_RX_SLOW BIT(11) /* receive with 1 wire slow */ +#define SPI_RX_FAST BIT(12) /* receive with 1 wire fast */ +#define SPI_RX_DUAL BIT(13) /* receive with 2 wires */ +#define SPI_RX_QUAD BIT(14) /* receive with 4 wires */
/* SPI bus connection options - see enum spi_dual_flash */ #define SPI_CONN_DUAL_SHARED (1 << 0) @@ -61,13 +59,11 @@ struct dm_spi_bus { * @cs: Chip select number (0..n-1) * @max_hz: Maximum bus speed that this slave can tolerate * @mode: SPI mode to use for this device (see SPI mode flags) - * @mode_rx: SPI RX mode to use for this slave (see SPI mode_rx flags) */ struct dm_spi_slave_platdata { unsigned int cs; uint max_hz; uint mode; - u8 mode_rx; };
#endif /* CONFIG_DM_SPI */ @@ -94,7 +90,6 @@ struct dm_spi_slave_platdata { * bus (bus->seq) so does not need to be stored * @cs: ID of the chip select connected to the slave. * @mode: SPI mode to use for this slave (see SPI mode flags) - * @mode_rx: SPI RX mode to use for this slave (see SPI mode_rx flags) * @wordlen: Size of SPI word in number of bits * @max_write_size: If non-zero, the maximum number of bytes which can * be written at once, excluding command bytes. @@ -112,7 +107,6 @@ struct spi_slave { unsigned int cs; #endif uint mode; - u8 mode_rx; unsigned int wordlen; unsigned int max_write_size; void *memory_map;