diff options
Diffstat (limited to 'drivers/mtd/spi/spi-nor-core.c')
| -rw-r--r-- | drivers/mtd/spi/spi-nor-core.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 99e2f16349a..d5d905fa5a1 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -2604,18 +2604,28 @@ static int spi_nor_init_params(struct spi_nor *nor, params->size = info->sector_size * info->n_sectors; params->page_size = info->page_size; + if (!(info->flags & SPI_NOR_NO_FR)) { + /* Default to Fast Read for DT and non-DT platform devices. */ + params->hwcaps.mask |= SNOR_HWCAPS_READ_FAST; + + /* Mask out Fast Read if not requested at DT instantiation. */ +#if CONFIG_IS_ENABLED(DM_SPI) + if (!ofnode_read_bool(dev_ofnode(nor->spi->dev), + "m25p,fast-read")) + params->hwcaps.mask &= ~SNOR_HWCAPS_READ_FAST; +#endif + } + /* (Fast) Read settings. */ params->hwcaps.mask |= SNOR_HWCAPS_READ; spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ], 0, 0, SPINOR_OP_READ, SNOR_PROTO_1_1_1); - if (!(info->flags & SPI_NOR_NO_FR)) { - params->hwcaps.mask |= SNOR_HWCAPS_READ_FAST; + if (params->hwcaps.mask & SNOR_HWCAPS_READ_FAST) spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_FAST], 0, 8, SPINOR_OP_READ_FAST, SNOR_PROTO_1_1_1); - } if (info->flags & SPI_NOR_DUAL_READ) { params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_2; @@ -2858,10 +2868,11 @@ spi_nor_adjust_hwcaps(struct spi_nor *nor, unsigned int cap; /* - * Enable all caps by default. We will mask them after checking what's - * really supported using spi_mem_supports_op(). + * Start by assuming the controller supports every capability. + * We will mask them after checking what's really supported + * using spi_mem_supports_op(). */ - *hwcaps = SNOR_HWCAPS_ALL; + *hwcaps = SNOR_HWCAPS_ALL & params->hwcaps.mask; /* X-X-X modes are not supported yet, mask them all. */ *hwcaps &= ~SNOR_HWCAPS_X_X_X; |