blob: fad57c378dd2a2086c66de5f3c03d073f31e2b4a [file] [log] [blame]
Thomas Gleixnerc942fdd2019-05-27 08:55:06 +02001// SPDX-License-Identifier: GPL-2.0-or-later
Boris Brezillon3b5206f2016-06-08 10:43:26 +02002/*
3 * Copyright (C) 2017 Free Electrons
4 * Copyright (C) 2017 NextThing Co
5 *
6 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon3b5206f2016-06-08 10:43:26 +02007 */
8
Boris Brezillon348d56a2018-09-07 00:38:48 +02009#include "internals.h"
Boris Brezillon3b5206f2016-06-08 10:43:26 +020010
Mason Yangfe3dd972018-06-20 11:46:30 +020011/*
12 * Macronix AC series does not support using SET/GET_FEATURES to change
13 * the timings unlike what is declared in the parameter page. Unflag
14 * this feature to avoid unnecessary downturns.
15 */
16static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
17{
18 unsigned int i;
19 static const char * const broken_get_timings[] = {
20 "MX30LF1G18AC",
21 "MX30LF1G28AC",
22 "MX30LF2G18AC",
23 "MX30LF2G28AC",
24 "MX30LF4G18AC",
25 "MX30LF4G28AC",
26 "MX60LF8G18AC",
Mason Yangacc9d622018-10-25 14:44:31 +080027 "MX30UF1G18AC",
28 "MX30UF1G16AC",
29 "MX30UF2G18AC",
30 "MX30UF2G16AC",
31 "MX30UF4G18AC",
32 "MX30UF4G16AC",
33 "MX30UF4G28AC",
Mason Yangfe3dd972018-06-20 11:46:30 +020034 };
35
36 if (!chip->parameters.supports_set_get_features)
37 return;
38
39 for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
40 if (!strcmp(broken_get_timings[i], chip->parameters.model))
41 break;
42 }
43
44 if (i == ARRAY_SIZE(broken_get_timings))
45 return;
46
47 bitmap_clear(chip->parameters.get_feature_list,
48 ONFI_FEATURE_ADDR_TIMING_MODE, 1);
49 bitmap_clear(chip->parameters.set_feature_list,
50 ONFI_FEATURE_ADDR_TIMING_MODE, 1);
51}
52
Boris Brezillon3b5206f2016-06-08 10:43:26 +020053static int macronix_nand_init(struct nand_chip *chip)
54{
55 if (nand_is_slc(chip))
Frieder Schrempfbb592542019-04-17 12:36:36 +000056 chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE;
Boris Brezillon3b5206f2016-06-08 10:43:26 +020057
Mason Yangfe3dd972018-06-20 11:46:30 +020058 macronix_nand_fix_broken_get_timings(chip);
Miquel Raynal34c5c012018-03-19 14:47:29 +010059
Boris Brezillon3b5206f2016-06-08 10:43:26 +020060 return 0;
61}
62
63const struct nand_manufacturer_ops macronix_nand_manuf_ops = {
64 .init = macronix_nand_init,
65};