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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * This file contains work-arounds for many known SD/MMC4 * and SDIO hardware bugs.5 *6 * Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com>7 * Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com>8 * Inspired from pci fixup code:9 * Copyright (c) 1999 Martin Mares <mj@ucw.cz>10 *11 */12 13#include <linux/of.h>14#include <linux/mmc/sdio_ids.h>15 16#include "card.h"17 18static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {19 /*20 * Kingston Canvas Go! Plus microSD cards never finish SD cache flush.21 * This has so far only been observed on cards from 11/2019, while new22 * cards from 2023/05 do not exhibit this behavior.23 */24 _FIXUP_EXT("SD64G", CID_MANFID_KINGSTON_SD, 0x5449, 2019, 11,25 0, -1ull, SDIO_ANY_ID, SDIO_ANY_ID, add_quirk_sd,26 MMC_QUIRK_BROKEN_SD_CACHE, EXT_CSD_REV_ANY),27 28 END_FIXUP29};30 31static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {32#define INAND_CMD38_ARG_EXT_CSD 11333#define INAND_CMD38_ARG_ERASE 0x0034#define INAND_CMD38_ARG_TRIM 0x0135#define INAND_CMD38_ARG_SECERASE 0x8036#define INAND_CMD38_ARG_SECTRIM1 0x8137#define INAND_CMD38_ARG_SECTRIM2 0x8838 /* CMD38 argument is passed through EXT_CSD[113] */39 MMC_FIXUP("SEM02G", CID_MANFID_SANDISK, 0x100, add_quirk,40 MMC_QUIRK_INAND_CMD38),41 MMC_FIXUP("SEM04G", CID_MANFID_SANDISK, 0x100, add_quirk,42 MMC_QUIRK_INAND_CMD38),43 MMC_FIXUP("SEM08G", CID_MANFID_SANDISK, 0x100, add_quirk,44 MMC_QUIRK_INAND_CMD38),45 MMC_FIXUP("SEM16G", CID_MANFID_SANDISK, 0x100, add_quirk,46 MMC_QUIRK_INAND_CMD38),47 MMC_FIXUP("SEM32G", CID_MANFID_SANDISK, 0x100, add_quirk,48 MMC_QUIRK_INAND_CMD38),49 50 /*51 * Some MMC cards experience performance degradation with CMD2352 * instead of CMD12-bounded multiblock transfers. For now we'll53 * black list what's bad...54 * - Certain Toshiba cards.55 *56 * N.B. This doesn't affect SD cards.57 */58 MMC_FIXUP("SDMB-32", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc,59 MMC_QUIRK_BLK_NO_CMD23),60 MMC_FIXUP("SDM032", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc,61 MMC_QUIRK_BLK_NO_CMD23),62 MMC_FIXUP("MMC08G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,63 MMC_QUIRK_BLK_NO_CMD23),64 MMC_FIXUP("MMC16G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,65 MMC_QUIRK_BLK_NO_CMD23),66 MMC_FIXUP("MMC32G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,67 MMC_QUIRK_BLK_NO_CMD23),68 69 /*70 * Some SD cards lockup while using CMD23 multiblock transfers.71 */72 MMC_FIXUP("AF SD", CID_MANFID_ATP, CID_OEMID_ANY, add_quirk_sd,73 MMC_QUIRK_BLK_NO_CMD23),74 MMC_FIXUP("APUSD", CID_MANFID_APACER, 0x5048, add_quirk_sd,75 MMC_QUIRK_BLK_NO_CMD23),76 77 /*78 * Some MMC cards need longer data read timeout than indicated in CSD.79 */80 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc,81 MMC_QUIRK_LONG_READ_TIME),82 MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,83 MMC_QUIRK_LONG_READ_TIME),84 85 /*86 * On these Samsung MoviNAND parts, performing secure erase or87 * secure trim can result in unrecoverable corruption due to a88 * firmware bug.89 */90 MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,91 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),92 MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,93 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),94 MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,95 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),96 MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,97 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),98 MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,99 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),100 MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,101 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),102 MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,103 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),104 MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,105 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),106 107 /*108 * On Some Kingston eMMCs, performing trim can result in109 * unrecoverable data conrruption occasionally due to a firmware bug.110 */111 MMC_FIXUP("V10008", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,112 MMC_QUIRK_TRIM_BROKEN),113 MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,114 MMC_QUIRK_TRIM_BROKEN),115 116 /*117 * Micron MTFC4GACAJCN-1M supports TRIM but does not appear to support118 * WRITE_ZEROES offloading. It also supports caching, but the cache can119 * only be flushed after a write has occurred.120 */121 MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc,122 MMC_QUIRK_TRIM_BROKEN | MMC_QUIRK_BROKEN_CACHE_FLUSH),123 124 /*125 * Kingston EMMC04G-M627 advertises TRIM but it does not seems to126 * support being used to offload WRITE_ZEROES.127 */128 MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,129 MMC_QUIRK_TRIM_BROKEN),130 131 /*132 * Some SD cards reports discard support while they don't133 */134 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,135 MMC_QUIRK_BROKEN_SD_DISCARD),136 137 END_FIXUP138};139 140static const struct mmc_fixup __maybe_unused mmc_ext_csd_fixups[] = {141 /*142 * Certain Hynix eMMC 4.41 cards might get broken when HPI feature143 * is used so disable the HPI feature for such buggy cards.144 */145 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_HYNIX,146 0x014a, add_quirk, MMC_QUIRK_BROKEN_HPI, 5),147 /*148 * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI149 * feature is used so disable the HPI feature for such buggy cards.150 */151 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_NUMONYX,152 0x014e, add_quirk, MMC_QUIRK_BROKEN_HPI, 6),153 154 END_FIXUP155};156 157 158static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = {159 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251,160 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF),161 162 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251,163 add_quirk, MMC_QUIRK_DISABLE_CD),164 165 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,166 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF),167 168 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,169 add_quirk, MMC_QUIRK_DISABLE_CD),170 171 SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200,172 add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512),173 174 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,175 add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),176 177 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_F0,178 add_limit_rate_quirk, 150000000),179 180 END_FIXUP181};182 183static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = {184 SDIO_FIXUP_COMPATIBLE("ti,wl1251", wl1251_quirk, 0),185 186 SDIO_FIXUP_COMPATIBLE("silabs,wf200", add_quirk,187 MMC_QUIRK_BROKEN_BYTE_MODE_512 |188 MMC_QUIRK_LENIENT_FN0 |189 MMC_QUIRK_BLKSZ_FOR_BYTE_MODE),190 191 END_FIXUP192};193 194static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card,195 const char *compatible)196{197 struct device_node *np;198 199 for_each_child_of_node(mmc_dev(card->host)->of_node, np) {200 if (of_device_is_compatible(np, compatible)) {201 of_node_put(np);202 return true;203 }204 }205 206 return false;207}208 209static inline void mmc_fixup_device(struct mmc_card *card,210 const struct mmc_fixup *table)211{212 const struct mmc_fixup *f;213 u64 rev = cid_rev_card(card);214 215 for (f = table; f->vendor_fixup; f++) {216 if (f->manfid != CID_MANFID_ANY &&217 f->manfid != card->cid.manfid)218 continue;219 if (f->oemid != CID_OEMID_ANY &&220 f->oemid != card->cid.oemid)221 continue;222 if (f->name != CID_NAME_ANY &&223 strncmp(f->name, card->cid.prod_name,224 sizeof(card->cid.prod_name)))225 continue;226 if (f->cis_vendor != (u16)SDIO_ANY_ID &&227 f->cis_vendor != card->cis.vendor)228 continue;229 if (f->cis_device != (u16)SDIO_ANY_ID &&230 f->cis_device != card->cis.device)231 continue;232 if (f->ext_csd_rev != EXT_CSD_REV_ANY &&233 f->ext_csd_rev != card->ext_csd.rev)234 continue;235 if (rev < f->rev_start || rev > f->rev_end)236 continue;237 if (f->of_compatible &&238 !mmc_fixup_of_compatible_match(card, f->of_compatible))239 continue;240 if (f->year != CID_YEAR_ANY && f->year != card->cid.year)241 continue;242 if (f->month != CID_MONTH_ANY && f->month != card->cid.month)243 continue;244 245 dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup);246 f->vendor_fixup(card, f->data);247 }248}249