^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/mtd/spinand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define SPINAND_MFR_BIWIN 0xBC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define BIWIN_CFG_BUF_READ BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define BIWIN_STATUS_ECC_HAS_BITFLIPS_T (3 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static SPINAND_OP_VARIANTS(read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static SPINAND_OP_VARIANTS(write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) SPINAND_PROG_LOAD(true, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static SPINAND_OP_VARIANTS(update_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) SPINAND_PROG_LOAD(false, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static int bwjx08k_ooblayout_ecc(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) if (section > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) region->offset = (16 * section) + 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) region->length = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static int bwjx08k_ooblayout_free(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (section > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) region->offset = (16 * section) + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) region->length = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static const struct mtd_ooblayout_ops bwjx08k_ooblayout = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .ecc = bwjx08k_ooblayout_ecc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .free = bwjx08k_ooblayout_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static int bwjx08k_ecc_get_status(struct spinand_device *spinand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) u8 status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct nand_device *nand = spinand_to_nand(spinand);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) switch (status & STATUS_ECC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) case STATUS_ECC_NO_BITFLIPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) case STATUS_ECC_UNCOR_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return -EBADMSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) case STATUS_ECC_HAS_BITFLIPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return nanddev_get_ecc_requirements(nand)->strength;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* Another set for the same id[2] devices in one series */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static const struct spinand_info biwin_spinand_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) SPINAND_INFO("BWJX08K",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) NAND_ECCREQ(8, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) SPINAND_HAS_QE_BIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) SPINAND_ECCINFO(&bwjx08k_ooblayout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) bwjx08k_ecc_get_status)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static const struct spinand_manufacturer_ops biwin_spinand_manuf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) const struct spinand_manufacturer biwin_spinand_manufacturer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .id = SPINAND_MFR_BIWIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .name = "BIWIN",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .chips = biwin_spinand_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .nchips = ARRAY_SIZE(biwin_spinand_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .ops = &biwin_spinand_manuf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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