From: Takahiro Kuwano Takahiro.Kuwano@infineon.com
Fixes mode clocks for SPINOR_OP_READ_FAST_4B in tiny.
Signed-off-by: Takahiro Kuwano Takahiro.Kuwano@infineon.com --- Changes in v6: - Remove spansion_quad_enable_volatile() per comment in https://patchwork.ozlabs.org/project/uboot/patch/a5c3cf1353d9a621379e2fcfefc...
Changes in v5: - Add a comment about Flash models and respective IDs
drivers/mtd/spi/spi-nor-tiny.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 5cc2b7d996..aa2df75c60 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -583,6 +583,12 @@ static int spi_nor_init_params(struct spi_nor *nor, spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_FAST], 0, 8, SPINOR_OP_READ_FAST, SNOR_PROTO_1_1_1); +#ifdef CONFIG_SPI_FLASH_SPANSION + if (JEDEC_MFR(info) == SNOR_MFR_CYPRESS && + (info->id[1] == 0x2a || info->id[1] == 0x2b)) + /* 0x2a: S25HL (QSPI, 3.3V), 0x2b: S25HS (QSPI, 1.8V) */ + params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; +#endif }
if (info->flags & SPI_NOR_QUAD_READ) {