18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de) 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#include <linux/sizes.h> 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#include "internals.h" 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#define LP_OPTIONS 0 118c2ecf20Sopenharmony_ci#define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16) 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#define SP_OPTIONS NAND_NEED_READRDY 148c2ecf20Sopenharmony_ci#define SP_OPTIONS16 (SP_OPTIONS | NAND_BUSWIDTH_16) 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/* 178c2ecf20Sopenharmony_ci * The chip ID list: 188c2ecf20Sopenharmony_ci * name, device ID, page size, chip size in MiB, eraseblock size, options 198c2ecf20Sopenharmony_ci * 208c2ecf20Sopenharmony_ci * If page size and eraseblock size are 0, the sizes are taken from the 218c2ecf20Sopenharmony_ci * extended chip ID. 228c2ecf20Sopenharmony_ci */ 238c2ecf20Sopenharmony_cistruct nand_flash_dev nand_flash_ids[] = { 248c2ecf20Sopenharmony_ci /* 258c2ecf20Sopenharmony_ci * Some incompatible NAND chips share device ID's and so must be 268c2ecf20Sopenharmony_ci * listed by full ID. We list them first so that we can easily identify 278c2ecf20Sopenharmony_ci * the most specific match. 288c2ecf20Sopenharmony_ci */ 298c2ecf20Sopenharmony_ci {"TC58NVG0S3E 1G 3.3V 8-bit", 308c2ecf20Sopenharmony_ci { .id = {0x98, 0xd1, 0x90, 0x15, 0x76, 0x14, 0x01, 0x00} }, 318c2ecf20Sopenharmony_ci SZ_2K, SZ_128, SZ_128K, 0, 8, 64, NAND_ECC_INFO(1, SZ_512), }, 328c2ecf20Sopenharmony_ci {"TC58NVG2S0F 4G 3.3V 8-bit", 338c2ecf20Sopenharmony_ci { .id = {0x98, 0xdc, 0x90, 0x26, 0x76, 0x15, 0x01, 0x08} }, 348c2ecf20Sopenharmony_ci SZ_4K, SZ_512, SZ_256K, 0, 8, 224, NAND_ECC_INFO(4, SZ_512) }, 358c2ecf20Sopenharmony_ci {"TC58NVG2S0H 4G 3.3V 8-bit", 368c2ecf20Sopenharmony_ci { .id = {0x98, 0xdc, 0x90, 0x26, 0x76, 0x16, 0x08, 0x00} }, 378c2ecf20Sopenharmony_ci SZ_4K, SZ_512, SZ_256K, 0, 8, 256, NAND_ECC_INFO(8, SZ_512) }, 388c2ecf20Sopenharmony_ci {"TC58NVG3S0F 8G 3.3V 8-bit", 398c2ecf20Sopenharmony_ci { .id = {0x98, 0xd3, 0x90, 0x26, 0x76, 0x15, 0x02, 0x08} }, 408c2ecf20Sopenharmony_ci SZ_4K, SZ_1K, SZ_256K, 0, 8, 232, NAND_ECC_INFO(4, SZ_512) }, 418c2ecf20Sopenharmony_ci {"TC58NVG5D2 32G 3.3V 8-bit", 428c2ecf20Sopenharmony_ci { .id = {0x98, 0xd7, 0x94, 0x32, 0x76, 0x56, 0x09, 0x00} }, 438c2ecf20Sopenharmony_ci SZ_8K, SZ_4K, SZ_1M, 0, 8, 640, NAND_ECC_INFO(40, SZ_1K) }, 448c2ecf20Sopenharmony_ci {"TC58NVG6D2 64G 3.3V 8-bit", 458c2ecf20Sopenharmony_ci { .id = {0x98, 0xde, 0x94, 0x82, 0x76, 0x56, 0x04, 0x20} }, 468c2ecf20Sopenharmony_ci SZ_8K, SZ_8K, SZ_2M, 0, 8, 640, NAND_ECC_INFO(40, SZ_1K) }, 478c2ecf20Sopenharmony_ci {"SDTNRGAMA 64G 3.3V 8-bit", 488c2ecf20Sopenharmony_ci { .id = {0x45, 0xde, 0x94, 0x93, 0x76, 0x50} }, 498c2ecf20Sopenharmony_ci SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) }, 508c2ecf20Sopenharmony_ci {"H27UCG8T2ATR-BC 64G 3.3V 8-bit", 518c2ecf20Sopenharmony_ci { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} }, 528c2ecf20Sopenharmony_ci SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640, 538c2ecf20Sopenharmony_ci NAND_ECC_INFO(40, SZ_1K) }, 548c2ecf20Sopenharmony_ci {"TH58NVG2S3HBAI4 4G 3.3V 8-bit", 558c2ecf20Sopenharmony_ci { .id = {0x98, 0xdc, 0x91, 0x15, 0x76} }, 568c2ecf20Sopenharmony_ci SZ_2K, SZ_512, SZ_128K, 0, 5, 128, NAND_ECC_INFO(8, SZ_512) }, 578c2ecf20Sopenharmony_ci 588c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS), 598c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS), 608c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE5, 4, SZ_8K, SP_OPTIONS), 618c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 8MiB 3,3V 8-bit", 0xD6, 8, SZ_8K, SP_OPTIONS), 628c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 8MiB 3,3V 8-bit", 0xE6, 8, SZ_8K, SP_OPTIONS), 638c2ecf20Sopenharmony_ci 648c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 16MiB 1,8V 8-bit", 0x33, 16, SZ_16K, SP_OPTIONS), 658c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 16MiB 3,3V 8-bit", 0x73, 16, SZ_16K, SP_OPTIONS), 668c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 16MiB 1,8V 16-bit", 0x43, 16, SZ_16K, SP_OPTIONS16), 678c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 16MiB 3,3V 16-bit", 0x53, 16, SZ_16K, SP_OPTIONS16), 688c2ecf20Sopenharmony_ci 698c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 32MiB 1,8V 8-bit", 0x35, 32, SZ_16K, SP_OPTIONS), 708c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 32MiB 3,3V 8-bit", 0x75, 32, SZ_16K, SP_OPTIONS), 718c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 32MiB 1,8V 16-bit", 0x45, 32, SZ_16K, SP_OPTIONS16), 728c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 32MiB 3,3V 16-bit", 0x55, 32, SZ_16K, SP_OPTIONS16), 738c2ecf20Sopenharmony_ci 748c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 64MiB 1,8V 8-bit", 0x36, 64, SZ_16K, SP_OPTIONS), 758c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 64MiB 3,3V 8-bit", 0x76, 64, SZ_16K, SP_OPTIONS), 768c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 64MiB 1,8V 16-bit", 0x46, 64, SZ_16K, SP_OPTIONS16), 778c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 64MiB 3,3V 16-bit", 0x56, 64, SZ_16K, SP_OPTIONS16), 788c2ecf20Sopenharmony_ci 798c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 1,8V 8-bit", 0x78, 128, SZ_16K, SP_OPTIONS), 808c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 1,8V 8-bit", 0x39, 128, SZ_16K, SP_OPTIONS), 818c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 3,3V 8-bit", 0x79, 128, SZ_16K, SP_OPTIONS), 828c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 1,8V 16-bit", 0x72, 128, SZ_16K, SP_OPTIONS16), 838c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 1,8V 16-bit", 0x49, 128, SZ_16K, SP_OPTIONS16), 848c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 3,3V 16-bit", 0x74, 128, SZ_16K, SP_OPTIONS16), 858c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 128MiB 3,3V 16-bit", 0x59, 128, SZ_16K, SP_OPTIONS16), 868c2ecf20Sopenharmony_ci 878c2ecf20Sopenharmony_ci LEGACY_ID_NAND("NAND 256MiB 3,3V 8-bit", 0x71, 256, SZ_16K, SP_OPTIONS), 888c2ecf20Sopenharmony_ci 898c2ecf20Sopenharmony_ci /* 908c2ecf20Sopenharmony_ci * These are the new chips with large page size. Their page size and 918c2ecf20Sopenharmony_ci * eraseblock size are determined from the extended ID bytes. 928c2ecf20Sopenharmony_ci */ 938c2ecf20Sopenharmony_ci 948c2ecf20Sopenharmony_ci /* 512 Megabit */ 958c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 1,8V 8-bit", 0xA2, 64, LP_OPTIONS), 968c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 1,8V 8-bit", 0xA0, 64, LP_OPTIONS), 978c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 3,3V 8-bit", 0xF2, 64, LP_OPTIONS), 988c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 3,3V 8-bit", 0xD0, 64, LP_OPTIONS), 998c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 3,3V 8-bit", 0xF0, 64, LP_OPTIONS), 1008c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 1,8V 16-bit", 0xB2, 64, LP_OPTIONS16), 1018c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 1,8V 16-bit", 0xB0, 64, LP_OPTIONS16), 1028c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 3,3V 16-bit", 0xC2, 64, LP_OPTIONS16), 1038c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64MiB 3,3V 16-bit", 0xC0, 64, LP_OPTIONS16), 1048c2ecf20Sopenharmony_ci 1058c2ecf20Sopenharmony_ci /* 1 Gigabit */ 1068c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 1,8V 8-bit", 0xA1, 128, LP_OPTIONS), 1078c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 3,3V 8-bit", 0xF1, 128, LP_OPTIONS), 1088c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 3,3V 8-bit", 0xD1, 128, LP_OPTIONS), 1098c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 1,8V 16-bit", 0xB1, 128, LP_OPTIONS16), 1108c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 3,3V 16-bit", 0xC1, 128, LP_OPTIONS16), 1118c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 128MiB 1,8V 16-bit", 0xAD, 128, LP_OPTIONS16), 1128c2ecf20Sopenharmony_ci 1138c2ecf20Sopenharmony_ci /* 2 Gigabit */ 1148c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 256MiB 1,8V 8-bit", 0xAA, 256, LP_OPTIONS), 1158c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 256MiB 3,3V 8-bit", 0xDA, 256, LP_OPTIONS), 1168c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 256MiB 1,8V 16-bit", 0xBA, 256, LP_OPTIONS16), 1178c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 256MiB 3,3V 16-bit", 0xCA, 256, LP_OPTIONS16), 1188c2ecf20Sopenharmony_ci 1198c2ecf20Sopenharmony_ci /* 4 Gigabit */ 1208c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 512MiB 1,8V 8-bit", 0xAC, 512, LP_OPTIONS), 1218c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 512MiB 3,3V 8-bit", 0xDC, 512, LP_OPTIONS), 1228c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 512MiB 1,8V 16-bit", 0xBC, 512, LP_OPTIONS16), 1238c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 512MiB 3,3V 16-bit", 0xCC, 512, LP_OPTIONS16), 1248c2ecf20Sopenharmony_ci 1258c2ecf20Sopenharmony_ci /* 8 Gigabit */ 1268c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 1GiB 1,8V 8-bit", 0xA3, 1024, LP_OPTIONS), 1278c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 1GiB 3,3V 8-bit", 0xD3, 1024, LP_OPTIONS), 1288c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 1GiB 1,8V 16-bit", 0xB3, 1024, LP_OPTIONS16), 1298c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 1GiB 3,3V 16-bit", 0xC3, 1024, LP_OPTIONS16), 1308c2ecf20Sopenharmony_ci 1318c2ecf20Sopenharmony_ci /* 16 Gigabit */ 1328c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 2GiB 1,8V 8-bit", 0xA5, 2048, LP_OPTIONS), 1338c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 2GiB 3,3V 8-bit", 0xD5, 2048, LP_OPTIONS), 1348c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 2GiB 1,8V 16-bit", 0xB5, 2048, LP_OPTIONS16), 1358c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 2GiB 3,3V 16-bit", 0xC5, 2048, LP_OPTIONS16), 1368c2ecf20Sopenharmony_ci 1378c2ecf20Sopenharmony_ci /* 32 Gigabit */ 1388c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 4GiB 1,8V 8-bit", 0xA7, 4096, LP_OPTIONS), 1398c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 4GiB 3,3V 8-bit", 0xD7, 4096, LP_OPTIONS), 1408c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 4GiB 1,8V 16-bit", 0xB7, 4096, LP_OPTIONS16), 1418c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 4GiB 3,3V 16-bit", 0xC7, 4096, LP_OPTIONS16), 1428c2ecf20Sopenharmony_ci 1438c2ecf20Sopenharmony_ci /* 64 Gigabit */ 1448c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 8GiB 1,8V 8-bit", 0xAE, 8192, LP_OPTIONS), 1458c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 8GiB 3,3V 8-bit", 0xDE, 8192, LP_OPTIONS), 1468c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 8GiB 1,8V 16-bit", 0xBE, 8192, LP_OPTIONS16), 1478c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 8GiB 3,3V 16-bit", 0xCE, 8192, LP_OPTIONS16), 1488c2ecf20Sopenharmony_ci 1498c2ecf20Sopenharmony_ci /* 128 Gigabit */ 1508c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 16GiB 1,8V 8-bit", 0x1A, 16384, LP_OPTIONS), 1518c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 16GiB 3,3V 8-bit", 0x3A, 16384, LP_OPTIONS), 1528c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 16GiB 1,8V 16-bit", 0x2A, 16384, LP_OPTIONS16), 1538c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 16GiB 3,3V 16-bit", 0x4A, 16384, LP_OPTIONS16), 1548c2ecf20Sopenharmony_ci 1558c2ecf20Sopenharmony_ci /* 256 Gigabit */ 1568c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 32GiB 1,8V 8-bit", 0x1C, 32768, LP_OPTIONS), 1578c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 32GiB 3,3V 8-bit", 0x3C, 32768, LP_OPTIONS), 1588c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 32GiB 1,8V 16-bit", 0x2C, 32768, LP_OPTIONS16), 1598c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 32GiB 3,3V 16-bit", 0x4C, 32768, LP_OPTIONS16), 1608c2ecf20Sopenharmony_ci 1618c2ecf20Sopenharmony_ci /* 512 Gigabit */ 1628c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64GiB 1,8V 8-bit", 0x1E, 65536, LP_OPTIONS), 1638c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64GiB 3,3V 8-bit", 0x3E, 65536, LP_OPTIONS), 1648c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64GiB 1,8V 16-bit", 0x2E, 65536, LP_OPTIONS16), 1658c2ecf20Sopenharmony_ci EXTENDED_ID_NAND("NAND 64GiB 3,3V 16-bit", 0x4E, 65536, LP_OPTIONS16), 1668c2ecf20Sopenharmony_ci 1678c2ecf20Sopenharmony_ci {NULL} 1688c2ecf20Sopenharmony_ci}; 1698c2ecf20Sopenharmony_ci 1708c2ecf20Sopenharmony_ci/* Manufacturer IDs */ 1718c2ecf20Sopenharmony_cistatic const struct nand_manufacturer_desc nand_manufacturer_descs[] = { 1728c2ecf20Sopenharmony_ci {NAND_MFR_AMD, "AMD/Spansion", &amd_nand_manuf_ops}, 1738c2ecf20Sopenharmony_ci {NAND_MFR_ATO, "ATO"}, 1748c2ecf20Sopenharmony_ci {NAND_MFR_EON, "Eon"}, 1758c2ecf20Sopenharmony_ci {NAND_MFR_ESMT, "ESMT", &esmt_nand_manuf_ops}, 1768c2ecf20Sopenharmony_ci {NAND_MFR_FUJITSU, "Fujitsu"}, 1778c2ecf20Sopenharmony_ci {NAND_MFR_HYNIX, "Hynix", &hynix_nand_manuf_ops}, 1788c2ecf20Sopenharmony_ci {NAND_MFR_INTEL, "Intel"}, 1798c2ecf20Sopenharmony_ci {NAND_MFR_MACRONIX, "Macronix", ¯onix_nand_manuf_ops}, 1808c2ecf20Sopenharmony_ci {NAND_MFR_MICRON, "Micron", µn_nand_manuf_ops}, 1818c2ecf20Sopenharmony_ci {NAND_MFR_NATIONAL, "National"}, 1828c2ecf20Sopenharmony_ci {NAND_MFR_RENESAS, "Renesas"}, 1838c2ecf20Sopenharmony_ci {NAND_MFR_SAMSUNG, "Samsung", &samsung_nand_manuf_ops}, 1848c2ecf20Sopenharmony_ci {NAND_MFR_SANDISK, "SanDisk"}, 1858c2ecf20Sopenharmony_ci {NAND_MFR_STMICRO, "ST Micro"}, 1868c2ecf20Sopenharmony_ci {NAND_MFR_TOSHIBA, "Toshiba", &toshiba_nand_manuf_ops}, 1878c2ecf20Sopenharmony_ci {NAND_MFR_WINBOND, "Winbond"}, 1888c2ecf20Sopenharmony_ci}; 1898c2ecf20Sopenharmony_ci 1908c2ecf20Sopenharmony_ci/** 1918c2ecf20Sopenharmony_ci * nand_get_manufacturer_desc - Get manufacturer information from the 1928c2ecf20Sopenharmony_ci * manufacturer ID 1938c2ecf20Sopenharmony_ci * @id: manufacturer ID 1948c2ecf20Sopenharmony_ci * 1958c2ecf20Sopenharmony_ci * Returns a nand_manufacturer_desc object if the manufacturer is defined 1968c2ecf20Sopenharmony_ci * in the NAND manufacturers database, NULL otherwise. 1978c2ecf20Sopenharmony_ci */ 1988c2ecf20Sopenharmony_ciconst struct nand_manufacturer_desc *nand_get_manufacturer_desc(u8 id) 1998c2ecf20Sopenharmony_ci{ 2008c2ecf20Sopenharmony_ci int i; 2018c2ecf20Sopenharmony_ci 2028c2ecf20Sopenharmony_ci for (i = 0; i < ARRAY_SIZE(nand_manufacturer_descs); i++) 2038c2ecf20Sopenharmony_ci if (nand_manufacturer_descs[i].id == id) 2048c2ecf20Sopenharmony_ci return &nand_manufacturer_descs[i]; 2058c2ecf20Sopenharmony_ci 2068c2ecf20Sopenharmony_ci return NULL; 2078c2ecf20Sopenharmony_ci} 208