1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * This file contains work-arounds for many known SD/MMC 4 * 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_blk_fixups[] = { 19#define INAND_CMD38_ARG_EXT_CSD 113 20#define INAND_CMD38_ARG_ERASE 0x00 21#define INAND_CMD38_ARG_TRIM 0x01 22#define INAND_CMD38_ARG_SECERASE 0x80 23#define INAND_CMD38_ARG_SECTRIM1 0x81 24#define INAND_CMD38_ARG_SECTRIM2 0x88 25 /* CMD38 argument is passed through EXT_CSD[113] */ 26 MMC_FIXUP("SEM02G", CID_MANFID_SANDISK, 0x100, add_quirk, 27 MMC_QUIRK_INAND_CMD38), 28 MMC_FIXUP("SEM04G", CID_MANFID_SANDISK, 0x100, add_quirk, 29 MMC_QUIRK_INAND_CMD38), 30 MMC_FIXUP("SEM08G", CID_MANFID_SANDISK, 0x100, add_quirk, 31 MMC_QUIRK_INAND_CMD38), 32 MMC_FIXUP("SEM16G", CID_MANFID_SANDISK, 0x100, add_quirk, 33 MMC_QUIRK_INAND_CMD38), 34 MMC_FIXUP("SEM32G", CID_MANFID_SANDISK, 0x100, add_quirk, 35 MMC_QUIRK_INAND_CMD38), 36 37 /* 38 * Some MMC cards experience performance degradation with CMD23 39 * instead of CMD12-bounded multiblock transfers. For now we'll 40 * black list what's bad... 41 * - Certain Toshiba cards. 42 * 43 * N.B. This doesn't affect SD cards. 44 */ 45 MMC_FIXUP("SDMB-32", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc, 46 MMC_QUIRK_BLK_NO_CMD23), 47 MMC_FIXUP("SDM032", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc, 48 MMC_QUIRK_BLK_NO_CMD23), 49 MMC_FIXUP("MMC08G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, 50 MMC_QUIRK_BLK_NO_CMD23), 51 MMC_FIXUP("MMC16G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, 52 MMC_QUIRK_BLK_NO_CMD23), 53 MMC_FIXUP("MMC32G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, 54 MMC_QUIRK_BLK_NO_CMD23), 55 56 /* 57 * Kingston Canvas Go! Plus microSD cards never finish SD cache flush. 58 * This has so far only been observed on cards from 11/2019, while new 59 * cards from 2023/05 do not exhibit this behavior. 60 */ 61 _FIXUP_EXT("SD64G", CID_MANFID_KINGSTON_SD, 0x5449, 2019, 11, 62 0, -1ull, SDIO_ANY_ID, SDIO_ANY_ID, add_quirk_sd, 63 MMC_QUIRK_BROKEN_SD_CACHE, EXT_CSD_REV_ANY), 64 65 /* 66 * Some SD cards lockup while using CMD23 multiblock transfers. 67 */ 68 MMC_FIXUP("AF SD", CID_MANFID_ATP, CID_OEMID_ANY, add_quirk_sd, 69 MMC_QUIRK_BLK_NO_CMD23), 70 MMC_FIXUP("APUSD", CID_MANFID_APACER, 0x5048, add_quirk_sd, 71 MMC_QUIRK_BLK_NO_CMD23), 72 73 /* 74 * Some MMC cards need longer data read timeout than indicated in CSD. 75 */ 76 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc, 77 MMC_QUIRK_LONG_READ_TIME), 78 MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, 79 MMC_QUIRK_LONG_READ_TIME), 80 81 /* 82 * On these Samsung MoviNAND parts, performing secure erase or 83 * secure trim can result in unrecoverable corruption due to a 84 * firmware bug. 85 */ 86 MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 87 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 88 MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 89 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 90 MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 91 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 92 MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 93 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 94 MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 95 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 96 MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 97 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 98 MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 99 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 100 MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 101 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 102 103 /* 104 * On Some Kingston eMMCs, performing trim can result in 105 * unrecoverable data conrruption occasionally due to a firmware bug. 106 */ 107 MMC_FIXUP("V10008", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, 108 MMC_QUIRK_TRIM_BROKEN), 109 MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, 110 MMC_QUIRK_TRIM_BROKEN), 111 112 /* 113 * Micron MTFC4GACAJCN-1M supports TRIM but does not appear to support 114 * WRITE_ZEROES offloading. It also supports caching, but the cache can 115 * only be flushed after a write has occurred. 116 */ 117 MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc, 118 MMC_QUIRK_TRIM_BROKEN | MMC_QUIRK_BROKEN_CACHE_FLUSH), 119 120 /* 121 * Kingston EMMC04G-M627 advertises TRIM but it does not seems to 122 * support being used to offload WRITE_ZEROES. 123 */ 124 MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc, 125 MMC_QUIRK_TRIM_BROKEN), 126 127 /* 128 * Some SD cards reports discard support while they don't 129 */ 130 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd, 131 MMC_QUIRK_BROKEN_SD_DISCARD), 132 133 END_FIXUP 134}; 135 136static const struct mmc_fixup __maybe_unused mmc_ext_csd_fixups[] = { 137 /* 138 * Certain Hynix eMMC 4.41 cards might get broken when HPI feature 139 * is used so disable the HPI feature for such buggy cards. 140 */ 141 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_HYNIX, 142 0x014a, add_quirk, MMC_QUIRK_BROKEN_HPI, 5), 143 /* 144 * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI 145 * feature is used so disable the HPI feature for such buggy cards. 146 */ 147 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_NUMONYX, 148 0x014e, add_quirk, MMC_QUIRK_BROKEN_HPI, 6), 149 150 END_FIXUP 151}; 152 153 154static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = { 155 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, 156 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), 157 158 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, 159 add_quirk, MMC_QUIRK_DISABLE_CD), 160 161 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, 162 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), 163 164 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, 165 add_quirk, MMC_QUIRK_DISABLE_CD), 166 167 SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200, 168 add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512), 169 170 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0, 171 add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING), 172 173 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_F0, 174 add_limit_rate_quirk, 150000000), 175 176 END_FIXUP 177}; 178 179static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = { 180 SDIO_FIXUP_COMPATIBLE("ti,wl1251", wl1251_quirk, 0), 181 182 SDIO_FIXUP_COMPATIBLE("silabs,wf200", add_quirk, 183 MMC_QUIRK_BROKEN_BYTE_MODE_512 | 184 MMC_QUIRK_LENIENT_FN0 | 185 MMC_QUIRK_BLKSZ_FOR_BYTE_MODE), 186 187 END_FIXUP 188}; 189 190static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card, 191 const char *compatible) 192{ 193 struct device_node *np; 194 195 for_each_child_of_node(mmc_dev(card->host)->of_node, np) { 196 if (of_device_is_compatible(np, compatible)) { 197 of_node_put(np); 198 return true; 199 } 200 } 201 202 return false; 203} 204 205static inline void mmc_fixup_device(struct mmc_card *card, 206 const struct mmc_fixup *table) 207{ 208 const struct mmc_fixup *f; 209 u64 rev = cid_rev_card(card); 210 211 for (f = table; f->vendor_fixup; f++) { 212 if (f->manfid != CID_MANFID_ANY && 213 f->manfid != card->cid.manfid) 214 continue; 215 if (f->oemid != CID_OEMID_ANY && 216 f->oemid != card->cid.oemid) 217 continue; 218 if (f->name != CID_NAME_ANY && 219 strncmp(f->name, card->cid.prod_name, 220 sizeof(card->cid.prod_name))) 221 continue; 222 if (f->cis_vendor != (u16)SDIO_ANY_ID && 223 f->cis_vendor != card->cis.vendor) 224 continue; 225 if (f->cis_device != (u16)SDIO_ANY_ID && 226 f->cis_device != card->cis.device) 227 continue; 228 if (f->ext_csd_rev != EXT_CSD_REV_ANY && 229 f->ext_csd_rev != card->ext_csd.rev) 230 continue; 231 if (rev < f->rev_start || rev > f->rev_end) 232 continue; 233 if (f->of_compatible && 234 !mmc_fixup_of_compatible_match(card, f->of_compatible)) 235 continue; 236 if (f->year != CID_YEAR_ANY && f->year != card->cid.year) 237 continue; 238 if (f->month != CID_MONTH_ANY && f->month != card->cid.month) 239 continue; 240 241 dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup); 242 f->vendor_fixup(card, f->data); 243 } 244} 245