From fdfb040d0bc5963b7f107cc0711a62cd6ed1682c Mon Sep 17 00:00:00 2001 From: Teng Wu Date: Mon, 30 Jun 2025 11:49:31 +0800 Subject: [PATCH] mtd: spinand: gigadevice: Add support for GD5F1GM9 chips MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit - 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 ≤ 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 Signed-off-by: Miquel Raynal --- 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/gigadevice.c index cb1d316fc4d83..b4087767fe508 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_table[] = { 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)), }; static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = { -- 2.47.2