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mtd: spinand: Add support for XTX SPINAND
Add support for XTX XT26G0xA and XT26xxxD. The driver is ported from linux-6.7.1. This driver is tested on Banana BPI-R3 with XT26G01A and XT26G12D. Link: https://lore.kernel.org/all/20240312014314.15454-1-bruce_suen@163.com Signed-off-by: Bruce Suen <bruce_suen@163.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
This commit is contained in:
Bruce Suen
Dario Binacchi
parent
8f9a445c15
commit
cd6d71a2e9
4 changed files with 269 additions and 1 deletions
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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 gigadevice.o macronix.o micron.o paragon.o
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spinand-objs += toshiba.o winbond.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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@ -829,6 +829,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = {
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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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&xtx_spinand_manufacturer,
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};
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static int spinand_manufacturer_match(struct spinand_device *spinand,
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266
drivers/mtd/nand/spi/xtx.c
Normal file
266
drivers/mtd/nand/spi/xtx.c
Normal file
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@ -0,0 +1,266 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Author:
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* Felix Matouschek <felix@matouschek.org>
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*/
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#include <linux/bitfield.h>
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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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#define SPINAND_MFR_XTX 0x0B
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#define XT26G0XA_STATUS_ECC_MASK GENMASK(5, 2)
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#define XT26G0XA_STATUS_ECC_NO_DETECTED (0 << 2)
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#define XT26G0XA_STATUS_ECC_8_CORRECTED (3 << 4)
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#define XT26G0XA_STATUS_ECC_UNCOR_ERROR (2 << 4)
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#define XT26XXXD_STATUS_ECC3_ECC2_MASK GENMASK(7, 6)
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#define XT26XXXD_STATUS_ECC_NO_DETECTED (0)
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#define XT26XXXD_STATUS_ECC_1_7_CORRECTED (1)
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#define XT26XXXD_STATUS_ECC_8_CORRECTED (3)
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#define XT26XXXD_STATUS_ECC_UNCOR_ERROR (2)
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static SPINAND_OP_VARIANTS(read_cache_variants,
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SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
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SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
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SPINAND_PAGE_READ_FROM_CACHE_DUALIO_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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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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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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static int xt26g0xa_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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if (section)
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return -ERANGE;
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region->offset = 48;
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region->length = 16;
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return 0;
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}
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static int xt26g0xa_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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region->offset = 1;
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region->length = 47;
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return 0;
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}
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static const struct mtd_ooblayout_ops xt26g0xa_ooblayout = {
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.ecc = xt26g0xa_ooblayout_ecc,
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.rfree = xt26g0xa_ooblayout_free,
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};
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static int xt26g0xa_ecc_get_status(struct spinand_device *spinand,
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u8 status)
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{
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status = status & XT26G0XA_STATUS_ECC_MASK;
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switch (status) {
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case XT26G0XA_STATUS_ECC_NO_DETECTED:
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return 0;
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case XT26G0XA_STATUS_ECC_8_CORRECTED:
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return 8;
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case XT26G0XA_STATUS_ECC_UNCOR_ERROR:
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return -EBADMSG;
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default:
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break;
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}
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/* At this point values greater than (2 << 4) are invalid */
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if (status > XT26G0XA_STATUS_ECC_UNCOR_ERROR)
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return -EINVAL;
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/* (1 << 2) through (7 << 2) are 1-7 corrected errors */
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return status >> 2;
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}
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static int xt26xxxd_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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if (section)
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return -ERANGE;
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region->offset = mtd->oobsize / 2;
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region->length = mtd->oobsize / 2;
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return 0;
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}
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static int xt26xxxd_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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region->offset = 2;
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region->length = mtd->oobsize / 2 - 2;
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return 0;
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}
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static const struct mtd_ooblayout_ops xt26xxxd_ooblayout = {
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.ecc = xt26xxxd_ooblayout_ecc,
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.rfree = xt26xxxd_ooblayout_free,
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};
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static int xt26xxxd_ecc_get_status(struct spinand_device *spinand,
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u8 status)
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{
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switch (FIELD_GET(STATUS_ECC_MASK, status)) {
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case XT26XXXD_STATUS_ECC_NO_DETECTED:
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return 0;
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case XT26XXXD_STATUS_ECC_UNCOR_ERROR:
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return -EBADMSG;
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case XT26XXXD_STATUS_ECC_1_7_CORRECTED:
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return 4 + FIELD_GET(XT26XXXD_STATUS_ECC3_ECC2_MASK, status);
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case XT26XXXD_STATUS_ECC_8_CORRECTED:
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return 8;
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default:
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break;
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}
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return -EINVAL;
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}
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static const struct spinand_info xtx_spinand_table[] = {
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SPINAND_INFO("XT26G01A",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xE1),
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NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(8, 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(&xt26g0xa_ooblayout,
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xt26g0xa_ecc_get_status)),
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SPINAND_INFO("XT26G02A",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xE2),
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NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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(&xt26g0xa_ooblayout,
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xt26g0xa_ecc_get_status)),
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SPINAND_INFO("XT26G04A",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xE3),
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NAND_MEMORG(1, 2048, 64, 128, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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(&xt26g0xa_ooblayout,
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xt26g0xa_ecc_get_status)),
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SPINAND_INFO("XT26G01D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x31),
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NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26G11D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x34),
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NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26Q01D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x51),
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NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26G02D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x32),
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NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26G12D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x35),
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NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26Q02D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x52),
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NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26G04D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x33),
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NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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SPINAND_INFO("XT26Q04D",
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x53),
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NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
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NAND_ECCREQ(8, 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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0,
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SPINAND_ECCINFO(&xt26xxxd_ooblayout,
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xt26xxxd_ecc_get_status)),
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};
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static const struct spinand_manufacturer_ops xtx_spinand_manuf_ops = {
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};
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const struct spinand_manufacturer xtx_spinand_manufacturer = {
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.id = SPINAND_MFR_XTX,
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.name = "XTX",
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.chips = xtx_spinand_table,
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.nchips = ARRAY_SIZE(xtx_spinand_table),
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.ops = &xtx_spinand_manuf_ops,
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};
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@ -251,6 +251,7 @@ extern const struct spinand_manufacturer paragon_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 xtx_spinand_manufacturer;
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/**
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* struct spinand_op_variants - SPI NAND operation variants
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