[PATCH] mtd: spinand: macronix: Add support for serial NAND flash

Jaime Liao jaimeliao.tw at gmail.com
Wed Jun 7 22:21:14 PDT 2023


From: JaimeLiao <jaimeliao.tw at gmail.com>

MX31LF2GE4BC and MX31UF2GE4BC are Macroninx SPI NAND flash
with 8-bit on-die ECC.

Validated via normal(default) and QUAD mode by read ,read back,
on Xilinx Zynq PicoZed FPGA which include Macronix
SPI Host(drivers/spi/spi-mxic.c)

Signed-off-by: JaimeLiao <jaimeliao.tw at gmail.com>
---
 drivers/mtd/nand/spi/macronix.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c
index 722a9738ba37..3dfc7e1e5241 100644
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -299,6 +299,26 @@ static const struct spinand_info macronix_spinand_table[] = {
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
 
+	SPINAND_INFO("MX31LF2GE4BC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x2e),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX3UF2GE4BC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
 };
 
 static const struct spinand_manufacturer_ops macronix_spinand_manuf_ops = {
-- 
2.25.1




More information about the linux-mtd mailing list