Thomas Gleixner | c942fdd | 2019-05-27 08:55:06 +0200 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Boris Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2017 Free Electrons |
| 4 | * Copyright (C) 2017 NextThing Co |
| 5 | * |
| 6 | * Author: Boris Brezillon <boris.brezillon@free-electrons.com> |
Boris Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 7 | */ |
| 8 | |
Boris Brezillon | 348d56a | 2018-09-07 00:38:48 +0200 | [diff] [blame] | 9 | #include "internals.h" |
Boris Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 10 | |
Mason Yang | fe3dd97 | 2018-06-20 11:46:30 +0200 | [diff] [blame] | 11 | /* |
| 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 | */ |
| 16 | static 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 Yang | acc9d62 | 2018-10-25 14:44:31 +0800 | [diff] [blame] | 27 | "MX30UF1G18AC", |
| 28 | "MX30UF1G16AC", |
| 29 | "MX30UF2G18AC", |
| 30 | "MX30UF2G16AC", |
| 31 | "MX30UF4G18AC", |
| 32 | "MX30UF4G16AC", |
| 33 | "MX30UF4G28AC", |
Mason Yang | fe3dd97 | 2018-06-20 11:46:30 +0200 | [diff] [blame] | 34 | }; |
| 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 Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 53 | static int macronix_nand_init(struct nand_chip *chip) |
| 54 | { |
| 55 | if (nand_is_slc(chip)) |
Frieder Schrempf | bb59254 | 2019-04-17 12:36:36 +0000 | [diff] [blame] | 56 | chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; |
Boris Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 57 | |
Mason Yang | fe3dd97 | 2018-06-20 11:46:30 +0200 | [diff] [blame] | 58 | macronix_nand_fix_broken_get_timings(chip); |
Miquel Raynal | 34c5c01 | 2018-03-19 14:47:29 +0100 | [diff] [blame] | 59 | |
Boris Brezillon | 3b5206f | 2016-06-08 10:43:26 +0200 | [diff] [blame] | 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | const struct nand_manufacturer_ops macronix_nand_manuf_ops = { |
| 64 | .init = macronix_nand_init, |
| 65 | }; |