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| author | Vignesh Raghavendra <vigneshr@ti.com> | 2019-12-05 15:46:06 +0530 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2020-01-27 22:27:22 +0530 |
| commit | 0f247848b63bb263026ce965088241ec06aeabff (patch) | |
| tree | d9dffa758830b13393d0180c6dd76a94c3c2cba7 /drivers/spi/cadence_qspi_apb.c | |
| parent | 658df8bd946493e7fa7b0048a3a9bd658a1f4518 (diff) | |
| download | u-boot-0f247848b63bb263026ce965088241ec06aeabff.zip u-boot-0f247848b63bb263026ce965088241ec06aeabff.tar.gz u-boot-0f247848b63bb263026ce965088241ec06aeabff.tar.bz2 | |
spi: cadence-qspi: Add support for Cadence Octal SPI controller
Cadence OSPI is similar to QSPI IP except that it supports Octal IO
(8 IO lines) flashes. Add support for Cadence OSPI IP with existing
driver using new compatible
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/spi/cadence_qspi_apb.c')
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index a0e14f9..0a5af05 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -43,6 +43,7 @@ #define CQSPI_INST_TYPE_SINGLE 0 #define CQSPI_INST_TYPE_DUAL 1 #define CQSPI_INST_TYPE_QUAD 2 +#define CQSPI_INST_TYPE_OCTAL 3 #define CQSPI_STIG_DATA_LEN_MAX 8 @@ -537,7 +538,10 @@ int cadence_qspi_apb_read_setup(struct cadence_spi_platdata *plat, /* Configure the opcode */ rd_reg = op->cmd.opcode << CQSPI_REG_RD_INSTR_OPCODE_LSB; - if (op->data.buswidth == 4) + if (op->data.buswidth == 8) + /* Instruction and address at DQ0, data at DQ0-7. */ + rd_reg |= CQSPI_INST_TYPE_OCTAL << CQSPI_REG_RD_INSTR_TYPE_DATA_LSB; + else if (op->data.buswidth == 4) /* Instruction and address at DQ0, data at DQ0-3. */ rd_reg |= CQSPI_INST_TYPE_QUAD << CQSPI_REG_RD_INSTR_TYPE_DATA_LSB; @@ -653,7 +657,7 @@ failrd: int cadence_qspi_apb_read_execute(struct cadence_spi_platdata *plat, const struct spi_mem_op *op) { - u32 from = op->addr.val; + u64 from = op->addr.val; void *buf = op->data.buf.in; size_t len = op->data.nbytes; |