^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_ETRON 0xD5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static SPINAND_OP_VARIANTS(read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static SPINAND_OP_VARIANTS(write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) SPINAND_PROG_LOAD(true, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static SPINAND_OP_VARIANTS(update_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) SPINAND_PROG_LOAD(false, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int em73c044vcf_oh_ooblayout_ecc(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) if (section > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) region->offset = (16 * section) + 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) region->length = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int em73c044vcf_oh_ooblayout_free(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (section > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) region->offset = (16 * section) + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) region->length = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static const struct mtd_ooblayout_ops em73c044vcf_oh_ooblayout = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .ecc = em73c044vcf_oh_ooblayout_ecc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .free = em73c044vcf_oh_ooblayout_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static int em73c044vcf_oh_ecc_get_status(struct spinand_device *spinand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u8 status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct nand_device *nand = spinand_to_nand(spinand);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) switch (status & STATUS_ECC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) case STATUS_ECC_NO_BITFLIPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) case STATUS_ECC_UNCOR_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return -EBADMSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) case STATUS_ECC_HAS_BITFLIPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return nanddev_get_ecc_requirements(nand)->strength;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return -EINVAL;
^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) static const struct spinand_info etron_spinand_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) SPINAND_INFO("EM73C044VCF-0H",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x36),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) NAND_ECCREQ(4, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) SPINAND_HAS_QE_BIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) SPINAND_ECCINFO(&em73c044vcf_oh_ooblayout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) em73c044vcf_oh_ecc_get_status)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static const struct spinand_manufacturer_ops etron_spinand_manuf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) const struct spinand_manufacturer etron_spinand_manufacturer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .id = SPINAND_MFR_ETRON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .name = "Etron",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .chips = etron_spinand_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .nchips = ARRAY_SIZE(etron_spinand_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .ops = &etron_spinand_manuf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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