^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2019 Jeff Kletsky
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Author: Jeff Kletsky <git-commits@allycomm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mtd/spinand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define SPINAND_MFR_PARAGON 0xa1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define PN26G0XA_STATUS_ECC_BITMASK (3 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define PN26G0XA_STATUS_ECC_NONE_DETECTED (0 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define PN26G0XA_STATUS_ECC_1_7_CORRECTED (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define PN26G0XA_STATUS_ECC_ERRORED (2 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define PN26G0XA_STATUS_ECC_8_CORRECTED (3 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static SPINAND_OP_VARIANTS(read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static SPINAND_OP_VARIANTS(write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) SPINAND_PROG_LOAD(true, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static SPINAND_OP_VARIANTS(update_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) SPINAND_PROG_LOAD(false, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int pn26g0xa_ooblayout_ecc(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (section > 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) region->offset = 6 + (15 * section); /* 4 BBM + 2 user bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) region->length = 13;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int pn26g0xa_ooblayout_free(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (section > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (section == 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) region->offset = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) region->length = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) region->offset = 4 + (15 * section);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) region->length = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static int pn26g0xa_ecc_get_status(struct spinand_device *spinand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) u8 status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) switch (status & PN26G0XA_STATUS_ECC_BITMASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) case PN26G0XA_STATUS_ECC_NONE_DETECTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) case PN26G0XA_STATUS_ECC_1_7_CORRECTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return 7; /* Return upper limit by convention */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) case PN26G0XA_STATUS_ECC_8_CORRECTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) case PN26G0XA_STATUS_ECC_ERRORED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return -EBADMSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static const struct mtd_ooblayout_ops pn26g0xa_ooblayout = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .ecc = pn26g0xa_ooblayout_ecc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .free = pn26g0xa_ooblayout_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) };
^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) static const struct spinand_info paragon_spinand_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) SPINAND_INFO("PN26G01A",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xe1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) NAND_MEMORG(1, 2048, 128, 64, 1024, 21, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) NAND_ECCREQ(8, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) SPINAND_ECCINFO(&pn26g0xa_ooblayout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) pn26g0xa_ecc_get_status)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) SPINAND_INFO("PN26G02A",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xe2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) NAND_MEMORG(1, 2048, 128, 64, 2048, 41, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) NAND_ECCREQ(8, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) SPINAND_ECCINFO(&pn26g0xa_ooblayout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) pn26g0xa_ecc_get_status)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static const struct spinand_manufacturer_ops paragon_spinand_manuf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) const struct spinand_manufacturer paragon_spinand_manufacturer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .id = SPINAND_MFR_PARAGON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .name = "Paragon",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .chips = paragon_spinand_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) .nchips = ARRAY_SIZE(paragon_spinand_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .ops = ¶gon_spinand_manuf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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