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GET /api/1.1/patches/2230102/?format=api
{ "id": 2230102, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230102/?format=api", "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=api", "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=api", "name": "Weijie Gao", "email": "weijie.gao@mediatek.com" }, "delegate": { "id": 17739, "url": "http://patchwork.ozlabs.org/api/1.1/users/17739/?format=api", "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=api", "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": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit 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"From": "Weijie Gao <weijie.gao@mediatek.com>", "To": "<u-boot@lists.denx.de>", "CC": "GSS_MTK_Uboot_upstream <GSS_MTK_Uboot_upstream@mediatek.com>, Tom Rini\n <trini@konsulko.com>, Dario Binacchi <dario.binacchi@amarulasolutions.com>,\n Michael Trimarchi <michael@amarulasolutions.com>, Frieder Schrempf\n <frieder.schrempf@kontron.de>, Mikhail Kshevetskiy\n <mikhail.kshevetskiy@iopsys.eu>, Tianling Shen <cnsztl@gmail.com>, Weijie Gao\n <weijie.gao@mediatek.com>", "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 <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "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 <weijie.gao@mediatek.com>\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 <linux/mtd/spinand.h>\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": [] }