{"id":2230102,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230102/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260429081319.151702-1-weijie.gao@mediatek.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260429081319.151702-1-weijie.gao@mediatek.com>","date":"2026-04-29T08:13:19","name":"mtd: spinand: add support for FudanMicro FM25S01BI3","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"d30429c26268c4041c1e743f86e2974b11f7d343","submitter":{"id":75269,"url":"http://patchwork.ozlabs.org/api/1.1/people/75269/?format=json","name":"Weijie Gao","email":"weijie.gao@mediatek.com"},"delegate":{"id":17739,"url":"http://patchwork.ozlabs.org/api/1.1/users/17739/?format=json","username":"jagan","first_name":"Jagannadha Sutradharudu","last_name":"Teki","email":"jagannadh.teki@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260429081319.151702-1-weijie.gao@mediatek.com/mbox/","series":[{"id":502014,"url":"http://patchwork.ozlabs.org/api/1.1/series/502014/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=502014","date":"2026-04-29T08:13:19","name":"mtd: spinand: add support for FudanMicro FM25S01BI3","version":1,"mbox":"http://patchwork.ozlabs.org/series/502014/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230102/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230102/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=mediatek.com header.i=@mediatek.com header.a=rsa-sha256\n header.s=dk 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Tianling Shen , Weijie Gao\n ","Subject":"[PATCH] mtd: spinand: add support for FudanMicro FM25S01BI3","Date":"Wed, 29 Apr 2026 16:13:19 +0800","Message-ID":"<20260429081319.151702-1-weijie.gao@mediatek.com>","X-Mailer":"git-send-email 2.17.0","MIME-Version":"1.0","Content-Type":"text/plain","X-MTK":"N","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"Add support for FudanMicro FM25S01BI3 SPI-NAND.\n\nThis driver is ported from linux kernel with fix:\nThis SPI-NAND does not support 1S-4S-4S and 1S-2S-2S modes.\nhttps://lore.kernel.org/linux-mtd/20251127195900.2562-1-csharper2005@gmail.com/\n\nDatasheet link:\nhttps://www.fmsh.com/nvm/FM25S01BI3_ds_eng.pdf\n\nTested on MediaTek's filogic platform reference board.\n\nSigned-off-by: Weijie Gao \n---\n drivers/mtd/nand/spi/fmsh.c | 77 +++++++++++++++++++++++++++++++++++++\n 1 file changed, 77 insertions(+)","diff":"diff --git a/drivers/mtd/nand/spi/fmsh.c b/drivers/mtd/nand/spi/fmsh.c\nindex 80837b7dd42..6740f30689f 100644\n--- a/drivers/mtd/nand/spi/fmsh.c\n+++ b/drivers/mtd/nand/spi/fmsh.c\n@@ -11,6 +11,13 @@\n #endif\n #include \n \n+#define FM25S01BI3_STATUS_ECC_MASK\t\t(7 << 4)\n+\t#define FM25S01BI3_STATUS_ECC_NO_BITFLIPS\t(0 << 4)\n+\t#define FM25S01BI3_STATUS_ECC_1_3_BITFLIPS\t(1 << 4)\n+\t#define FM25S01BI3_STATUS_ECC_UNCOR_ERROR\t(2 << 4)\n+\t#define FM25S01BI3_STATUS_ECC_4_6_BITFLIPS\t(3 << 4)\n+\t#define FM25S01BI3_STATUS_ECC_7_8_BITFLIPS\t(5 << 4)\n+\n #define SPINAND_MFR_FMSH\t\t0xA1\n \n static SPINAND_OP_VARIANTS(read_cache_variants,\n@@ -21,6 +28,12 @@ static SPINAND_OP_VARIANTS(read_cache_variants,\n \t\tSPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),\n \t\tSPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 0));\n \n+static SPINAND_OP_VARIANTS(fm25s01bi3_read_cache_variants,\n+\t\tSPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),\n+\t\tSPINAND_PAGE_READ_FROM_CACHE_1S_1S_2S_OP(0, 1, NULL, 0, 0),\n+\t\tSPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),\n+\t\tSPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 0));\n+\n static SPINAND_OP_VARIANTS(write_cache_variants,\n \t\tSPINAND_PROG_LOAD_1S_1S_4S_OP(true, 0, NULL, 0),\n \t\tSPINAND_PROG_LOAD_1S_1S_1S_OP(true, 0, NULL, 0));\n@@ -47,11 +60,65 @@ static int fm25s01a_ooblayout_free(struct mtd_info *mtd, int section,\n \treturn 0;\n }\n \n+static int fm25s01bi3_ecc_get_status(struct spinand_device *spinand, u8 status)\n+{\n+\tswitch (status & FM25S01BI3_STATUS_ECC_MASK) {\n+\tcase FM25S01BI3_STATUS_ECC_NO_BITFLIPS:\n+\t\treturn 0;\n+\n+\tcase FM25S01BI3_STATUS_ECC_UNCOR_ERROR:\n+\t\treturn -EBADMSG;\n+\n+\tcase FM25S01BI3_STATUS_ECC_1_3_BITFLIPS:\n+\t\treturn 3;\n+\n+\tcase FM25S01BI3_STATUS_ECC_4_6_BITFLIPS:\n+\t\treturn 6;\n+\n+\tcase FM25S01BI3_STATUS_ECC_7_8_BITFLIPS:\n+\t\treturn 8;\n+\n+\tdefault:\n+\t\tbreak;\n+\t}\n+\n+\treturn -EINVAL;\n+}\n+\n+static int fm25s01bi3_ooblayout_ecc(struct mtd_info *mtd, int section,\n+\t\t\t\t struct mtd_oob_region *region)\n+{\n+\tif (section)\n+\t\treturn -ERANGE;\n+\n+\tregion->offset = 64;\n+\tregion->length = 64;\n+\n+\treturn 0;\n+}\n+\n+static int fm25s01bi3_ooblayout_free(struct mtd_info *mtd, int section,\n+\t\t\t\t struct mtd_oob_region *region)\n+{\n+\tif (section > 3)\n+\t\treturn -ERANGE;\n+\n+\tregion->offset = (16 * section) + 4;\n+\tregion->length = 12;\n+\n+\treturn 0;\n+}\n+\n static const struct mtd_ooblayout_ops fm25s01a_ooblayout = {\n \t.ecc = fm25s01a_ooblayout_ecc,\n \t.rfree = fm25s01a_ooblayout_free,\n };\n \n+static const struct mtd_ooblayout_ops fm25s01bi3_ooblayout = {\n+\t.ecc = fm25s01bi3_ooblayout_ecc,\n+\t.rfree = fm25s01bi3_ooblayout_free,\n+};\n+\n static const struct spinand_info fmsh_spinand_table[] = {\n \tSPINAND_INFO(\"FM25S01A\",\n \t\t SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),\n@@ -62,6 +129,16 @@ static const struct spinand_info fmsh_spinand_table[] = {\n \t\t\t\t\t &update_cache_variants),\n \t\t 0,\n \t\t SPINAND_ECCINFO(&fm25s01a_ooblayout, NULL)),\n+\tSPINAND_INFO(\"FM25S01BI3\",\n+\t\t SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),\n+\t\t NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),\n+\t\t NAND_ECCREQ(8, 512),\n+\t\t SPINAND_INFO_OP_VARIANTS(&fm25s01bi3_read_cache_variants,\n+\t\t\t\t\t &write_cache_variants,\n+\t\t\t\t\t &update_cache_variants),\n+\t\t SPINAND_HAS_QE_BIT,\n+\t\t SPINAND_ECCINFO(&fm25s01bi3_ooblayout,\n+\t\t\t\t fm25s01bi3_ecc_get_status)),\n };\n \n static const struct spinand_manufacturer_ops fmsh_spinand_manuf_ops = {\n","prefixes":[]}