[PATCH v7 14/14] mtd: spi-nor-tiny: Add fixups for Cypress s25hl-t/s25hs-t
tkuw584924 at gmail.com
tkuw584924 at gmail.com
Tue Apr 27 04:24:19 CEST 2021
From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
Fixes mode clocks for SPINOR_OP_READ_FAST_4B in tiny.
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
---
Changes in v7:
- No change
Changes in v6:
- Remove spansion_quad_enable_volatile() per comment in
https://patchwork.ozlabs.org/project/uboot/patch/a5c3cf1353d9a621379e2fcfefc51fb44c9680c5.1611729896.git.Takahiro.Kuwano@infineon.com/
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) {
--
2.25.1
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