From: "Lokanathan, Raaj" <raaj.lokanat...@intel.com>
Add support for reading data/images from this ISSI QSPI flash.
Signed-off-by: Lokanathan, Raaj <raaj.lokanat...@intel.com>
---
drivers/mtd/spi/spi-nor-tiny.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c
index 68152ce3b4..6a5da38cb1 100644
--- a/drivers/mtd/spi/spi-nor-tiny.c
+++ b/drivers/mtd/spi/spi-nor-tiny.c
@@ -219,6 +219,7 @@ static inline int set_4byte(struct spi_nor *nor, const
struct flash_info *info,
case SNOR_MFR_MICRON:
/* Some Micron need WREN command; all will accept it */
need_wren = true;
+ case SNOR_MFR_ISSI:
case SNOR_MFR_MACRONIX:
case SNOR_MFR_WINBOND:
if (need_wren)
@@ -432,7 +433,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to,
size_t len,
return -ENOTSUPP;
}
-#ifdef CONFIG_SPI_FLASH_MACRONIX
+#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_ISSI)
/**
* macronix_quad_enable() - set QE bit in Status Register.
* @nor: pointer to a 'struct spi_nor'
@@ -661,8 +662,9 @@ static int spi_nor_setup(struct spi_nor *nor, const struct
flash_info *info,
/* Enable Quad I/O if needed. */
if (spi_nor_get_protocol_width(nor->read_proto) == 4) {
switch (JEDEC_MFR(info)) {
-#ifdef CONFIG_SPI_FLASH_MACRONIX
+#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_ISSI)
case SNOR_MFR_MACRONIX:
+ case SNOR_MFR_ISSI:
err = macronix_quad_enable(nor);
break;
#endif
--
2.25.1
