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uboot-mediatek: port patches for FORESEE NAND support
Backport FORESEE NAND chip support from upstream Linux. The newly introduced FORESEE F35SQA001G was found on the Xiaomi AX3000T. Signed-off-by: Erik Servili <serverror@serverror.com> Signed-off-by: Shiji Yang <yangshiji66@qq.com>
This commit is contained in:
Erik Servili
Daniel Golle
parent
4be1bab9ed
commit
302c717aa3
@ -0,0 +1,149 @@
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From 49c8e854869d673df8452f24dfa8989cd0f615a8 Mon Sep 17 00:00:00 2001
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From: Martin Kurbanov <mmkurbanov@salutedevices.com>
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Date: Mon, 2 Oct 2023 17:04:58 +0300
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Subject: [PATCH] mtd: spinand: add support for FORESEE F35SQA002G
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Add support for FORESEE F35SQA002G SPI NAND.
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Datasheet:
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https://www.longsys.com/uploads/LM-00006FORESEEF35SQA002GDatasheet_1650183701.pdf
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Signed-off-by: Martin Kurbanov <mmkurbanov@salutedevices.com>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Link: https://lore.kernel.org/linux-mtd/20231002140458.147605-1-mmkurbanov@salutedevices.com
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---
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drivers/mtd/nand/spi/Makefile | 2 +-
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drivers/mtd/nand/spi/core.c | 1 +
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drivers/mtd/nand/spi/foresee.c | 95 ++++++++++++++++++++++++++++++++++
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include/linux/mtd/spinand.h | 1 +
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4 files changed, 98 insertions(+), 1 deletion(-)
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create mode 100644 drivers/mtd/nand/spi/foresee.c
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--- a/drivers/mtd/nand/spi/Makefile
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+++ b/drivers/mtd/nand/spi/Makefile
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@@ -1,5 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0
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-spinand-objs := core.o esmt.o etron.o gigadevice.o macronix.o micron.o paragon.o
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+spinand-objs := core.o esmt.o foresee.o etron.o gigadevice.o macronix.o micron.o paragon.o
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spinand-objs += toshiba.o winbond.o xtx.o
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obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
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--- a/drivers/mtd/nand/spi/core.c
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+++ b/drivers/mtd/nand/spi/core.c
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@@ -834,6 +834,7 @@ static const struct spinand_manufacturer
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&toshiba_spinand_manufacturer,
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&winbond_spinand_manufacturer,
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&esmt_c8_spinand_manufacturer,
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+ &foresee_spinand_manufacturer,
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&xtx_spinand_manufacturer,
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};
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--- /dev/null
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+++ b/drivers/mtd/nand/spi/foresee.c
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@@ -0,0 +1,97 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
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+ *
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+ * Author: Martin Kurbanov <mmkurbanov@salutedevices.com>
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+ */
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+
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+#ifndef __UBOOT__
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+#include <linux/device.h>
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+#include <linux/kernel.h>
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+#endif
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+#include <linux/mtd/spinand.h>
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+
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+#define SPINAND_MFR_FORESEE 0xCD
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+
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+static SPINAND_OP_VARIANTS(read_cache_variants,
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+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
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+
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+static SPINAND_OP_VARIANTS(write_cache_variants,
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+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
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+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
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+
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+static SPINAND_OP_VARIANTS(update_cache_variants,
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+ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
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+ SPINAND_PROG_LOAD(false, 0, NULL, 0));
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+
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+static int f35sqa002g_ooblayout_ecc(struct mtd_info *mtd, int section,
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+ struct mtd_oob_region *region)
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+{
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+ return -ERANGE;
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+}
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+
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+static int f35sqa002g_ooblayout_free(struct mtd_info *mtd, int section,
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+ struct mtd_oob_region *region)
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+{
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+ if (section)
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+ return -ERANGE;
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+
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+ /* Reserve 2 bytes for the BBM. */
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+ region->offset = 2;
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+ region->length = 62;
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+
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+ return 0;
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+}
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+
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+static const struct mtd_ooblayout_ops f35sqa002g_ooblayout = {
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+ .ecc = f35sqa002g_ooblayout_ecc,
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+ .rfree = f35sqa002g_ooblayout_free,
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+};
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+
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+static int f35sqa002g_ecc_get_status(struct spinand_device *spinand, u8 status)
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+{
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+ struct nand_device *nand = spinand_to_nand(spinand);
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+
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+ switch (status & STATUS_ECC_MASK) {
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+ case STATUS_ECC_NO_BITFLIPS:
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+ return 0;
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+
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+ case STATUS_ECC_HAS_BITFLIPS:
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+ return 1;
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+
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+ default:
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+ break;
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+ }
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+
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+ /* More than 1-bit error was detected in one or more sectors and
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+ * cannot be corrected.
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+ */
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+ return -EBADMSG;
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+}
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+
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+static const struct spinand_info foresee_spinand_table[] = {
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+ SPINAND_INFO("F35SQA002G",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72, 0x72),
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+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
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+ NAND_ECCREQ(1, 512),
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+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+ &write_cache_variants,
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+ &update_cache_variants),
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+ SPINAND_HAS_QE_BIT,
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+ SPINAND_ECCINFO(&f35sqa002g_ooblayout,
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+ f35sqa002g_ecc_get_status)),
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+};
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+
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+static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops = {
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+};
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+
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+const struct spinand_manufacturer foresee_spinand_manufacturer = {
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+ .id = SPINAND_MFR_FORESEE,
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+ .name = "FORESEE",
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+ .chips = foresee_spinand_table,
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+ .nchips = ARRAY_SIZE(foresee_spinand_table),
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+ .ops = &foresee_spinand_manuf_ops,
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+};
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--- a/include/linux/mtd/spinand.h
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+++ b/include/linux/mtd/spinand.h
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@@ -252,6 +252,7 @@ extern const struct spinand_manufacturer
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extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
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extern const struct spinand_manufacturer winbond_spinand_manufacturer;
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extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
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+extern const struct spinand_manufacturer foresee_spinand_manufacturer;
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extern const struct spinand_manufacturer xtx_spinand_manufacturer;
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/**
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@ -0,0 +1,38 @@
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From ae461cde5c559675fc4c0ba351c7c31ace705f56 Mon Sep 17 00:00:00 2001
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From: Bohdan Chubuk <chbgdn@gmail.com>
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Date: Sun, 10 Nov 2024 22:50:47 +0200
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Subject: [PATCH] mtd: spinand: add support for FORESEE F35SQA001G
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Add support for FORESEE F35SQA001G SPI NAND.
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Similar to F35SQA002G, but differs in capacity.
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Datasheet:
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- https://cdn.ozdisan.com/ETicaret_Dosya/704795_871495.pdf
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Tested on Xiaomi AX3000T flashed with OpenWRT.
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Signed-off-by: Bohdan Chubuk <chbgdn@gmail.com>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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---
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drivers/mtd/nand/spi/foresee.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/mtd/nand/spi/foresee.c
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+++ b/drivers/mtd/nand/spi/foresee.c
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@@ -83,6 +83,16 @@ static const struct spinand_info foresee
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SPINAND_HAS_QE_BIT,
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SPINAND_ECCINFO(&f35sqa002g_ooblayout,
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f35sqa002g_ecc_get_status)),
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+ SPINAND_INFO("F35SQA001G",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x71, 0x71),
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+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
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+ NAND_ECCREQ(1, 512),
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+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+ &write_cache_variants,
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+ &update_cache_variants),
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+ SPINAND_HAS_QE_BIT,
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+ SPINAND_ECCINFO(&f35sqa002g_ooblayout,
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+ f35sqa002g_ecc_get_status)),
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};
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static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops = {
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