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Sun, 29 Jun 2025 20:50:11 -0700 (PDT) Received: from wuteng-VMware-Virtual-Platform.localdomain ([113.84.10.134]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b34e31bea17sm6912262a12.46.2025.06.29.20.50.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Jun 2025 20:50:10 -0700 (PDT) From: gigadevice2025@gmail.com To: miquel.raynal@bootlin.com, richard@nod.at Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Teng Wu Subject: [PATCH] mtd:spinand:gigadevice:Add support for GD5F1GM9 chips Date: Mon, 30 Jun 2025 11:49:31 +0800 Message-ID: <20250630034931.7962-1-gigadevice2025@gmail.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Teng Wu - GD5F1GM9UExxG (ID:c89101 3.3V) - GD5F1GM9RExxG (ID:c88101 1.8V) Both device feature: - 1Gb density (1024 blocks) - 2048-byte page size with 128-byte OOB - 8-bit ECC requirement per 512 bytes - Quad I/O Read support (opcode EBH) - tPROG =E2=89=A4 300us typical page program time Testing environment: - Platform: Raspberry PI-5 (Linux raspberry 6.15.0-rc6-v8) - Operations verified: * Full device read/write/erase cycles on all blocks * Nandspeed: ~ GD5F1GM9UE: 2.75MB/s read, 1.99MB/s write, 41.26MB/s erase ~ GD5F1GM9RE: 1.84MB/s read, 1.45MB/s write, 41.04MS/s erase * Nandbiterrs: Both corredted 8-bit errors per 512 bytes * Stresstest: Both 144k cycles 0 bad block growth Full test log: -U: https://gist.github.com/WT-886/b0f41fb50ddac3adc0020222c1f89b61 -R: https://gist.github.com/WT-886/8784e72f4632d519814928ff49225963 Datasheet: -https://github.com/WT-886/DATASHEET/blob/main/GD5F1GM9-v1.0.pdf Signed-off-by: Teng Wu --- drivers/mtd/nand/spi/gigadevice.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigad= evice.c index d620bb02a..f781d0368 100644 --- a/drivers/mtd/nand/spi/gigadevice.c +++ b/drivers/mtd/nand/spi/gigadevice.c @@ -533,6 +533,26 @@ static const struct spinand_info gigadevice_spinand_ta= ble[] =3D { SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, gd5fxgq4uexxg_ecc_get_status)), + SPINAND_INFO("GD5F1GM9UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x91, 0x01), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq4uexxg_ecc_get_status)), + SPINAND_INFO("GD5F1GM9RExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x81, 0x01), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq4uexxg_ecc_get_status)), }; =20 static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = =3D { --=20 2.48.1