diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/cadence_qspi.c | 2 | ||||
| -rw-r--r-- | drivers/spi/cadence_qspi.h | 2 | ||||
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 7 | ||||
| -rw-r--r-- | drivers/spi/fsl_dspi.c | 30 | ||||
| -rw-r--r-- | drivers/spi/spi-mem.c | 2 | ||||
| -rw-r--r-- | drivers/spi/spi-uclass.c | 4 |
6 files changed, 38 insertions, 9 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 11fce9c4fe..efdb178450 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -256,7 +256,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen, break; case CQSPI_INDIRECT_WRITE: err = cadence_qspi_apb_indirect_write_setup - (plat, priv->cmd_len, cmd_buf); + (plat, priv->cmd_len, dm_plat->mode, cmd_buf); if (!err) { err = cadence_qspi_apb_indirect_write_execute (plat, data_bytes, dout); diff --git a/drivers/spi/cadence_qspi.h b/drivers/spi/cadence_qspi.h index 055900def0..b491407130 100644 --- a/drivers/spi/cadence_qspi.h +++ b/drivers/spi/cadence_qspi.h @@ -60,7 +60,7 @@ int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, int cadence_qspi_apb_indirect_read_execute(struct cadence_spi_platdata *plat, unsigned int rxlen, u8 *rxbuf); int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, - unsigned int cmdlen, const u8 *cmdbuf); + unsigned int cmdlen, unsigned int tx_width, const u8 *cmdbuf); int cadence_qspi_apb_indirect_write_execute(struct cadence_spi_platdata *plat, unsigned int txlen, const u8 *txbuf); diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index a8af352030..55a7501913 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -77,6 +77,7 @@ #define CQSPI_REG_WR_INSTR 0x08 #define CQSPI_REG_WR_INSTR_OPCODE_LSB 0 +#define CQSPI_REG_WR_INSTR_TYPE_DATA_LSB 16 #define CQSPI_REG_DELAY 0x0C #define CQSPI_REG_DELAY_TSLCH_LSB 0 @@ -686,7 +687,7 @@ failrd: /* Opcode + Address (3/4 bytes) */ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, - unsigned int cmdlen, const u8 *cmdbuf) + unsigned int cmdlen, unsigned int tx_width, const u8 *cmdbuf) { unsigned int reg; unsigned int addr_bytes = cmdlen > 4 ? 4 : 3; @@ -702,6 +703,10 @@ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, /* Configure the opcode */ reg = cmdbuf[0] << CQSPI_REG_WR_INSTR_OPCODE_LSB; + + if (tx_width & SPI_TX_QUAD) + reg |= CQSPI_INST_TYPE_QUAD << CQSPI_REG_WR_INSTR_TYPE_DATA_LSB; + writel(reg, plat->regbase + CQSPI_REG_WR_INSTR); /* Setup write address. */ diff --git a/drivers/spi/fsl_dspi.c b/drivers/spi/fsl_dspi.c index 764c94215e..a68a51945e 100644 --- a/drivers/spi/fsl_dspi.c +++ b/drivers/spi/fsl_dspi.c @@ -273,7 +273,18 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, if (len > 1) { int tmp_len = len - 1; while (tmp_len--) { - if (dout != NULL) { + if ((dout != NULL) && (din != NULL)) { + if (priv->charbit == 16) { + dspi_tx(priv, ctrl, *spi_wr16++); + *spi_rd16++ = dspi_rx(priv); + } + else { + dspi_tx(priv, ctrl, *spi_wr++); + *spi_rd++ = dspi_rx(priv); + } + } + + else if (dout != NULL) { if (priv->charbit == 16) dspi_tx(priv, ctrl, *spi_wr16++); else @@ -281,7 +292,7 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, dspi_rx(priv); } - if (din != NULL) { + else if (din != NULL) { dspi_tx(priv, ctrl, DSPI_IDLE_VAL); if (priv->charbit == 16) *spi_rd16++ = dspi_rx(priv); @@ -297,7 +308,18 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, ctrl &= ~DSPI_TFR_CONT; if (len) { - if (dout != NULL) { + if ((dout != NULL) && (din != NULL)) { + if (priv->charbit == 16) { + dspi_tx(priv, ctrl, *spi_wr16++); + *spi_rd16++ = dspi_rx(priv); + } + else { + dspi_tx(priv, ctrl, *spi_wr++); + *spi_rd++ = dspi_rx(priv); + } + } + + else if (dout != NULL) { if (priv->charbit == 16) dspi_tx(priv, ctrl, *spi_wr16); else @@ -305,7 +327,7 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, dspi_rx(priv); } - if (din != NULL) { + else if (din != NULL) { dspi_tx(priv, ctrl, DSPI_IDLE_VAL); if (priv->charbit == 16) *spi_rd16 = dspi_rx(priv); diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index 1bb0987edb..b86eee75bc 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -214,7 +214,7 @@ int spi_mem_exec_op(struct spi_slave *slave, const struct spi_mem_op *op) if (ret < 0) return ret; - if (ops->mem_ops) { + if (ops->mem_ops && ops->mem_ops->exec_op) { #ifndef __UBOOT__ /* * Flush the message queue before executing our SPI memory diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 2bc289a74c..88cb2a1262 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -328,7 +328,9 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, } plat = dev_get_parent_platdata(dev); - if (!speed) { + + /* get speed and mode from platdata when available */ + if (plat->max_hz) { speed = plat->max_hz; mode = plat->mode; } |