diff options
Diffstat (limited to 'drivers/spi/spi-nxp-fspi.c')
| -rw-r--r-- | drivers/spi/spi-nxp-fspi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index a1c9ad033796..bd61f951d6be 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -559,12 +559,21 @@ static void nxp_fspi_prepare_lut(struct nxp_fspi *f, u32 target_lut_reg; /* cmd */ - lutval[0] |= LUT_DEF(0, LUT_CMD, LUT_PAD(op->cmd.buswidth), - op->cmd.opcode); + if (op->cmd.dtr) { + lutval[0] |= LUT_DEF(0, LUT_CMD_DDR, LUT_PAD(op->cmd.buswidth), + op->cmd.opcode >> 8); + lutval[lutidx / 2] |= LUT_DEF(lutidx, LUT_CMD_DDR, + LUT_PAD(op->cmd.buswidth), + op->cmd.opcode & 0xFF); + lutidx++; + } else { + lutval[0] |= LUT_DEF(0, LUT_CMD, LUT_PAD(op->cmd.buswidth), + op->cmd.opcode); + } /* addr bytes */ if (op->addr.nbytes) { - lutval[lutidx / 2] |= LUT_DEF(lutidx, LUT_ADDR, + lutval[lutidx / 2] |= LUT_DEF(lutidx, op->addr.dtr ? LUT_ADDR_DDR : LUT_ADDR, LUT_PAD(op->addr.buswidth), op->addr.nbytes * 8); lutidx++; @@ -572,7 +581,7 @@ static void nxp_fspi_prepare_lut(struct nxp_fspi *f, /* dummy bytes, if needed */ if (op->dummy.nbytes) { - lutval[lutidx / 2] |= LUT_DEF(lutidx, LUT_DUMMY, + lutval[lutidx / 2] |= LUT_DEF(lutidx, op->dummy.dtr ? LUT_DUMMY_DDR : LUT_DUMMY, /* * Due to FlexSPI controller limitation number of PAD for dummy * buswidth needs to be programmed as equal to data buswidth. @@ -587,7 +596,8 @@ static void nxp_fspi_prepare_lut(struct nxp_fspi *f, if (op->data.nbytes) { lutval[lutidx / 2] |= LUT_DEF(lutidx, op->data.dir == SPI_MEM_DATA_IN ? - LUT_NXP_READ : LUT_NXP_WRITE, + (op->data.dtr ? LUT_READ_DDR : LUT_NXP_READ) : + (op->data.dtr ? LUT_WRITE_DDR : LUT_NXP_WRITE), LUT_PAD(op->data.buswidth), 0); lutidx++; |