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 18 static 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 * Some SD cards lockup while using CMD23 multiblock transfers. 58 */ 59 MMC_FIXUP("AF SD", CID_MANFID_ATP, CID_OEMID_ANY, add_quirk_sd, 60 MMC_QUIRK_BLK_NO_CMD23), 61 MMC_FIXUP("APUSD", CID_MANFID_APACER, 0x5048, add_quirk_sd, 62 MMC_QUIRK_BLK_NO_CMD23), 63 64 /* 65 * Some MMC cards need longer data read timeout than indicated in CSD. 66 */ 67 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc, 68 MMC_QUIRK_LONG_READ_TIME), 69 MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, 70 MMC_QUIRK_LONG_READ_TIME), 71 72 /* 73 * On these Samsung MoviNAND parts, performing secure erase or 74 * secure trim can result in unrecoverable corruption due to a 75 * firmware bug. 76 */ 77 MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 78 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 79 MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 80 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 81 MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 82 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 83 MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 84 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 85 MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 86 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 87 MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 88 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 89 MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 90 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 91 MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, 92 MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), 93 94 /* 95 * On Some Kingston eMMCs, performing trim can result in 96 * unrecoverable data conrruption occasionally due to a firmware bug. 97 */ 98 MMC_FIXUP("V10008", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, 99 MMC_QUIRK_TRIM_BROKEN), 100 MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, 101 MMC_QUIRK_TRIM_BROKEN), 102 103 /* 104 * Some SD cards reports discard support while they don't 105 */ 106 MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd, 107 MMC_QUIRK_BROKEN_SD_DISCARD), 108 109 END_FIXUP 110 }; 111 112 static const struct mmc_fixup __maybe_unused mmc_ext_csd_fixups[] = { 113 /* 114 * Certain Hynix eMMC 4.41 cards might get broken when HPI feature 115 * is used so disable the HPI feature for such buggy cards. 116 */ 117 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_HYNIX, 118 0x014a, add_quirk, MMC_QUIRK_BROKEN_HPI, 5), 119 /* 120 * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI 121 * feature is used so disable the HPI feature for such buggy cards. 122 */ 123 MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_NUMONYX, 124 0x014e, add_quirk, MMC_QUIRK_BROKEN_HPI, 6), 125 126 END_FIXUP 127 }; 128 129 130 static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = { 131 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, 132 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), 133 134 SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, 135 add_quirk, MMC_QUIRK_DISABLE_CD), 136 137 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, 138 add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), 139 140 SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, 141 add_quirk, MMC_QUIRK_DISABLE_CD), 142 143 SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200, 144 add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512), 145 146 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0, 147 add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING), 148 149 SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_F0, 150 add_limit_rate_quirk, 150000000), 151 152 END_FIXUP 153 }; 154 155 static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = { 156 SDIO_FIXUP_COMPATIBLE("ti,wl1251", wl1251_quirk, 0), 157 158 SDIO_FIXUP_COMPATIBLE("silabs,wf200", add_quirk, 159 MMC_QUIRK_BROKEN_BYTE_MODE_512 | 160 MMC_QUIRK_LENIENT_FN0 | 161 MMC_QUIRK_BLKSZ_FOR_BYTE_MODE), 162 163 END_FIXUP 164 }; 165 166 static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card, 167 const char *compatible) 168 { 169 struct device_node *np; 170 171 for_each_child_of_node(mmc_dev(card->host)->of_node, np) { 172 if (of_device_is_compatible(np, compatible)) { 173 of_node_put(np); 174 return true; 175 } 176 } 177 178 return false; 179 } 180 181 static inline void mmc_fixup_device(struct mmc_card *card, 182 const struct mmc_fixup *table) 183 { 184 const struct mmc_fixup *f; 185 u64 rev = cid_rev_card(card); 186 187 for (f = table; f->vendor_fixup; f++) { 188 if (f->manfid != CID_MANFID_ANY && 189 f->manfid != card->cid.manfid) 190 continue; 191 if (f->oemid != CID_OEMID_ANY && 192 f->oemid != card->cid.oemid) 193 continue; 194 if (f->name != CID_NAME_ANY && 195 strncmp(f->name, card->cid.prod_name, 196 sizeof(card->cid.prod_name))) 197 continue; 198 if (f->cis_vendor != (u16)SDIO_ANY_ID && 199 f->cis_vendor != card->cis.vendor) 200 continue; 201 if (f->cis_device != (u16)SDIO_ANY_ID && 202 f->cis_device != card->cis.device) 203 continue; 204 if (f->ext_csd_rev != EXT_CSD_REV_ANY && 205 f->ext_csd_rev != card->ext_csd.rev) 206 continue; 207 if (rev < f->rev_start || rev > f->rev_end) 208 continue; 209 if (f->of_compatible && 210 !mmc_fixup_of_compatible_match(card, f->of_compatible)) 211 continue; 212 213 dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup); 214 f->vendor_fixup(card, f->data); 215 } 216 } 217