| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * This file contains work-arounds for many known SD/MMC |
| * and SDIO hardware bugs. |
| * |
| * Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com> |
| * Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com> |
| * Inspired from pci fixup code: |
| * Copyright (c) 1999 Martin Mares <mj@ucw.cz> |
| * |
| */ |
| |
| #include <linux/of.h> |
| #include <linux/mmc/sdio_ids.h> |
| |
| #include "card.h" |
| |
| static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = { |
| #define INAND_CMD38_ARG_EXT_CSD 113 |
| #define INAND_CMD38_ARG_ERASE 0x00 |
| #define INAND_CMD38_ARG_TRIM 0x01 |
| #define INAND_CMD38_ARG_SECERASE 0x80 |
| #define INAND_CMD38_ARG_SECTRIM1 0x81 |
| #define INAND_CMD38_ARG_SECTRIM2 0x88 |
| /* CMD38 argument is passed through EXT_CSD[113] */ |
| MMC_FIXUP("SEM02G", CID_MANFID_SANDISK, 0x100, add_quirk, |
| MMC_QUIRK_INAND_CMD38), |
| MMC_FIXUP("SEM04G", CID_MANFID_SANDISK, 0x100, add_quirk, |
| MMC_QUIRK_INAND_CMD38), |
| MMC_FIXUP("SEM08G", CID_MANFID_SANDISK, 0x100, add_quirk, |
| MMC_QUIRK_INAND_CMD38), |
| MMC_FIXUP("SEM16G", CID_MANFID_SANDISK, 0x100, add_quirk, |
| MMC_QUIRK_INAND_CMD38), |
| MMC_FIXUP("SEM32G", CID_MANFID_SANDISK, 0x100, add_quirk, |
| MMC_QUIRK_INAND_CMD38), |
| |
| /* |
| * Some MMC cards experience performance degradation with CMD23 |
| * instead of CMD12-bounded multiblock transfers. For now we'll |
| * black list what's bad... |
| * - Certain Toshiba cards. |
| * |
| * N.B. This doesn't affect SD cards. |
| */ |
| MMC_FIXUP("SDMB-32", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_BLK_NO_CMD23), |
| MMC_FIXUP("SDM032", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_BLK_NO_CMD23), |
| MMC_FIXUP("MMC08G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_BLK_NO_CMD23), |
| MMC_FIXUP("MMC16G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_BLK_NO_CMD23), |
| MMC_FIXUP("MMC32G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_BLK_NO_CMD23), |
| |
| /* |
| * Kingston Canvas Go! Plus microSD cards never finish SD cache flush. |
| * This has so far only been observed on cards from 11/2019, while new |
| * cards from 2023/05 do not exhibit this behavior. |
| */ |
| _FIXUP_EXT("SD64G", CID_MANFID_KINGSTON_SD, 0x5449, 2019, 11, |
| 0, -1ull, SDIO_ANY_ID, SDIO_ANY_ID, add_quirk_sd, |
| MMC_QUIRK_BROKEN_SD_CACHE, EXT_CSD_REV_ANY), |
| |
| /* |
| * Some SD cards lockup while using CMD23 multiblock transfers. |
| */ |
| MMC_FIXUP("AF SD", CID_MANFID_ATP, CID_OEMID_ANY, add_quirk_sd, |
| MMC_QUIRK_BLK_NO_CMD23), |
| MMC_FIXUP("APUSD", CID_MANFID_APACER, 0x5048, add_quirk_sd, |
| MMC_QUIRK_BLK_NO_CMD23), |
| |
| /* |
| * Some MMC cards need longer data read timeout than indicated in CSD. |
| */ |
| MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc, |
| MMC_QUIRK_LONG_READ_TIME), |
| MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_LONG_READ_TIME), |
| |
| /* |
| * On these Samsung MoviNAND parts, performing secure erase or |
| * secure trim can result in unrecoverable corruption due to a |
| * firmware bug. |
| */ |
| MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), |
| |
| /* |
| * On Some Kingston eMMCs, performing trim can result in |
| * unrecoverable data conrruption occasionally due to a firmware bug. |
| */ |
| MMC_FIXUP("V10008", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_TRIM_BROKEN), |
| MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, |
| MMC_QUIRK_TRIM_BROKEN), |
| |
| /* |
| * Micron MTFC4GACAJCN-1M supports TRIM but does not appear to support |
| * WRITE_ZEROES offloading. It also supports caching, but the cache can |
| * only be flushed after a write has occurred. |
| */ |
| MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc, |
| MMC_QUIRK_TRIM_BROKEN | MMC_QUIRK_BROKEN_CACHE_FLUSH), |
| |
| /* |
| * Kingston EMMC04G-M627 advertises TRIM but it does not seems to |
| * support being used to offload WRITE_ZEROES. |
| */ |
| MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc, |
| MMC_QUIRK_TRIM_BROKEN), |
| |
| /* |
| * Some SD cards reports discard support while they don't |
| */ |
| MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd, |
| MMC_QUIRK_BROKEN_SD_DISCARD), |
| |
| END_FIXUP |
| }; |
| |
| static const struct mmc_fixup __maybe_unused mmc_ext_csd_fixups[] = { |
| /* |
| * Certain Hynix eMMC 4.41 cards might get broken when HPI feature |
| * is used so disable the HPI feature for such buggy cards. |
| */ |
| MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_HYNIX, |
| 0x014a, add_quirk, MMC_QUIRK_BROKEN_HPI, 5), |
| /* |
| * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI |
| * feature is used so disable the HPI feature for such buggy cards. |
| */ |
| MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_NUMONYX, |
| 0x014e, add_quirk, MMC_QUIRK_BROKEN_HPI, 6), |
| |
| END_FIXUP |
| }; |
| |
| |
| static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = { |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, |
| add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI_WL1251, SDIO_DEVICE_ID_TI_WL1251, |
| add_quirk, MMC_QUIRK_DISABLE_CD), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| add_quirk, MMC_QUIRK_DISABLE_CD), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200, |
| add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0, |
| add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_F0, |
| add_limit_rate_quirk, 150000000), |
| |
| END_FIXUP |
| }; |
| |
| static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = { |
| SDIO_FIXUP_COMPATIBLE("ti,wl1251", wl1251_quirk, 0), |
| |
| SDIO_FIXUP_COMPATIBLE("silabs,wf200", add_quirk, |
| MMC_QUIRK_BROKEN_BYTE_MODE_512 | |
| MMC_QUIRK_LENIENT_FN0 | |
| MMC_QUIRK_BLKSZ_FOR_BYTE_MODE), |
| |
| END_FIXUP |
| }; |
| |
| static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card, |
| const char *compatible) |
| { |
| struct device_node *np; |
| |
| for_each_child_of_node(mmc_dev(card->host)->of_node, np) { |
| if (of_device_is_compatible(np, compatible)) { |
| of_node_put(np); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| static inline void mmc_fixup_device(struct mmc_card *card, |
| const struct mmc_fixup *table) |
| { |
| const struct mmc_fixup *f; |
| u64 rev = cid_rev_card(card); |
| |
| for (f = table; f->vendor_fixup; f++) { |
| if (f->manfid != CID_MANFID_ANY && |
| f->manfid != card->cid.manfid) |
| continue; |
| if (f->oemid != CID_OEMID_ANY && |
| f->oemid != card->cid.oemid) |
| continue; |
| if (f->name != CID_NAME_ANY && |
| strncmp(f->name, card->cid.prod_name, |
| sizeof(card->cid.prod_name))) |
| continue; |
| if (f->cis_vendor != (u16)SDIO_ANY_ID && |
| f->cis_vendor != card->cis.vendor) |
| continue; |
| if (f->cis_device != (u16)SDIO_ANY_ID && |
| f->cis_device != card->cis.device) |
| continue; |
| if (f->ext_csd_rev != EXT_CSD_REV_ANY && |
| f->ext_csd_rev != card->ext_csd.rev) |
| continue; |
| if (rev < f->rev_start || rev > f->rev_end) |
| continue; |
| if (f->of_compatible && |
| !mmc_fixup_of_compatible_match(card, f->of_compatible)) |
| continue; |
| if (f->year != CID_YEAR_ANY && f->year != card->cid.year) |
| continue; |
| if (f->month != CID_MONTH_ANY && f->month != card->cid.month) |
| continue; |
| |
| dev_dbg(&card->dev, "calling %ps\n", f->vendor_fixup); |
| f->vendor_fixup(card, f->data); |
| } |
| } |