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spi: intel: Use ->replacement_op in intel_spi_hw_cycle() 

This way we do not need the SPI-NOR opcode -> Intel controller opcode
mapping in the function anymore.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20221025064623.22808-2-mika.westerberg@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mika Westerberg 2022-10-25 09:46:20 +03:00 committed by Mark Brown
parent 5cd4d38867
commit f73f6bd200
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 23 additions and 29 deletions
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52
drivers/spi/spi-intel.c
View File

@ -352,34 +352,25 @@ static int intel_spi_opcode_index(struct intel_spi *ispi, u8 opcode, int optype)
return 0;
}
static int intel_spi_hw_cycle(struct intel_spi *ispi, u8 opcode, size_t len)
static int intel_spi_hw_cycle(struct intel_spi *ispi,
const struct intel_spi_mem_op *iop, size_t len)
{
u32 val, status;
int ret;
if (!iop->replacement_op)
return -EINVAL;
val = readl(ispi->base + HSFSTS_CTL);
val &= ~(HSFSTS_CTL_FCYCLE_MASK | HSFSTS_CTL_FDBC_MASK);
switch (opcode) {
case SPINOR_OP_RDID:
val |= HSFSTS_CTL_FCYCLE_RDID;
break;
case SPINOR_OP_WRSR:
val |= HSFSTS_CTL_FCYCLE_WRSR;
break;
case SPINOR_OP_RDSR:
val |= HSFSTS_CTL_FCYCLE_RDSR;
break;
default:
return -EINVAL;
}
if (len > INTEL_SPI_FIFO_SZ)
return -EINVAL;
val |= (len - 1) << HSFSTS_CTL_FDBC_SHIFT;
val |= HSFSTS_CTL_FCERR | HSFSTS_CTL_FDONE;
val |= HSFSTS_CTL_FGO;
val |= iop->replacement_op;
writel(val, ispi->base + HSFSTS_CTL);
ret = intel_spi_wait_hw_busy(ispi);
@ -483,7 +474,7 @@ static int intel_spi_read_reg(struct intel_spi *ispi, const struct spi_mem *mem,
ret = intel_spi_sw_cycle(ispi, opcode, nbytes,
OPTYPE_READ_NO_ADDR);
else
ret = intel_spi_hw_cycle(ispi, opcode, nbytes);
ret = intel_spi_hw_cycle(ispi, iop, nbytes);
if (ret)
return ret;
@ -548,7 +539,7 @@ static int intel_spi_write_reg(struct intel_spi *ispi, const struct spi_mem *mem
if (ispi->swseq_reg)
return intel_spi_sw_cycle(ispi, opcode, nbytes,
OPTYPE_WRITE_NO_ADDR);
return intel_spi_hw_cycle(ispi, opcode, nbytes);
return intel_spi_hw_cycle(ispi, iop, nbytes);
}
static int intel_spi_read(struct intel_spi *ispi, const struct spi_mem *mem,
@ -912,18 +903,21 @@ static const struct spi_controller_mem_ops intel_spi_mem_ops = {
*/
#define INTEL_SPI_GENERIC_OPS \
/* Status register operations */ \
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_IN(1), \
intel_spi_read_reg), \
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_IN(1), \
intel_spi_read_reg), \
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_OUT(1), \
intel_spi_write_reg), \
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_IN(1), \
intel_spi_read_reg, \
HSFSTS_CTL_FCYCLE_RDID), \
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_IN(1), \
intel_spi_read_reg, \
HSFSTS_CTL_FCYCLE_RDSR), \
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \
SPI_MEM_OP_NO_ADDR, \
INTEL_SPI_OP_DATA_OUT(1), \
intel_spi_write_reg, \
HSFSTS_CTL_FCYCLE_WRSR), \
/* Normal read */ \
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_READ, 1), \
INTEL_SPI_OP_ADDR(3), \