Orange Pi5 kernel

^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) 2020 Grandstream Networks, Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *	Carl <xjxia@grandstream.cn>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/mtd/spinand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define SPINAND_MFR_ESMT		0xC8
^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 f50lxx41x_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) + 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	region->length = 8;
^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 f50lxx41x_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 = 6;
^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 f50lxx41x_ooblayout = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	.ecc = f50lxx41x_ooblayout_ecc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.free = f50lxx41x_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 const struct spinand_info esmt_spinand_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	SPINAND_INFO("F50L1G41LB",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x01),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		     NAND_ECCREQ(1, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 					      &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 					      &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 		     0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 		     SPINAND_ECCINFO(&f50lxx41x_ooblayout, NULL)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static const struct spinand_manufacturer_ops esmt_spinand_manuf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) const struct spinand_manufacturer esmt_spinand_manufacturer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	.id = SPINAND_MFR_ESMT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 	.name = "esmt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	.chips = esmt_spinand_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	.nchips = ARRAY_SIZE(esmt_spinand_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 	.ops = &esmt_spinand_manuf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };