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
mmc_fixup_of_compatible_match(struct mmc_card * card,const char * compatible)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
mmc_fixup_device(struct mmc_card * card,const struct mmc_fixup * table)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
