[PATCH v2 1/2] mtd: spi-nor: Add support for SNOR_ID3 macro

Biju Das biju.das.jz at bp.renesas.com
Fri Jul 15 03:57:15 PDT 2022


Add SNOR_ID3 macro to get chip info by parsing sfdp.

Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
---
v2:
 * New patch
---
 drivers/mtd/spi-nor/core.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index 61886868cd02..153c1a0b2eda 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -548,6 +548,15 @@ struct flash_info {
 		.n_sectors = (_n_sectors),				\
 		.page_size = 256,					\
 
+#define SNOR_ID3(_jedec_id)						\
+	.id = {								\
+		((_jedec_id) >> 16) & 0xff,				\
+		((_jedec_id) >> 8) & 0xff,				\
+		(_jedec_id) & 0xff,					\
+	},								\
+	.id_len = 3,							\
+	.parse_sfdp = true,						\
+
 #define CAT25_INFO(_sector_size, _n_sectors, _page_size, _addr_width)	\
 		.sector_size = (_sector_size),				\
 		.n_sectors = (_n_sectors),				\
-- 
2.25.1




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