162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> 462306a36Sopenharmony_ci * Steven J. Hill <sjhill@realitydiluted.com> 562306a36Sopenharmony_ci * Thomas Gleixner <tglx@linutronix.de> 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Contains all JEDEC related definitions 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#ifndef __LINUX_MTD_JEDEC_H 1162306a36Sopenharmony_ci#define __LINUX_MTD_JEDEC_H 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cistruct jedec_ecc_info { 1462306a36Sopenharmony_ci u8 ecc_bits; 1562306a36Sopenharmony_ci u8 codeword_size; 1662306a36Sopenharmony_ci __le16 bb_per_lun; 1762306a36Sopenharmony_ci __le16 block_endurance; 1862306a36Sopenharmony_ci u8 reserved[2]; 1962306a36Sopenharmony_ci} __packed; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci/* JEDEC features */ 2262306a36Sopenharmony_ci#define JEDEC_FEATURE_16_BIT_BUS (1 << 0) 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci/* JEDEC Optional Commands */ 2562306a36Sopenharmony_ci#define JEDEC_OPT_CMD_READ_CACHE BIT(1) 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistruct nand_jedec_params { 2862306a36Sopenharmony_ci /* rev info and features block */ 2962306a36Sopenharmony_ci /* 'J' 'E' 'S' 'D' */ 3062306a36Sopenharmony_ci u8 sig[4]; 3162306a36Sopenharmony_ci __le16 revision; 3262306a36Sopenharmony_ci __le16 features; 3362306a36Sopenharmony_ci u8 opt_cmd[3]; 3462306a36Sopenharmony_ci __le16 sec_cmd; 3562306a36Sopenharmony_ci u8 num_of_param_pages; 3662306a36Sopenharmony_ci u8 reserved0[18]; 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci /* manufacturer information block */ 3962306a36Sopenharmony_ci char manufacturer[12]; 4062306a36Sopenharmony_ci char model[20]; 4162306a36Sopenharmony_ci u8 jedec_id[6]; 4262306a36Sopenharmony_ci u8 reserved1[10]; 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci /* memory organization block */ 4562306a36Sopenharmony_ci __le32 byte_per_page; 4662306a36Sopenharmony_ci __le16 spare_bytes_per_page; 4762306a36Sopenharmony_ci u8 reserved2[6]; 4862306a36Sopenharmony_ci __le32 pages_per_block; 4962306a36Sopenharmony_ci __le32 blocks_per_lun; 5062306a36Sopenharmony_ci u8 lun_count; 5162306a36Sopenharmony_ci u8 addr_cycles; 5262306a36Sopenharmony_ci u8 bits_per_cell; 5362306a36Sopenharmony_ci u8 programs_per_page; 5462306a36Sopenharmony_ci u8 multi_plane_addr; 5562306a36Sopenharmony_ci u8 multi_plane_op_attr; 5662306a36Sopenharmony_ci u8 reserved3[38]; 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci /* electrical parameter block */ 5962306a36Sopenharmony_ci __le16 async_sdr_speed_grade; 6062306a36Sopenharmony_ci __le16 toggle_ddr_speed_grade; 6162306a36Sopenharmony_ci __le16 sync_ddr_speed_grade; 6262306a36Sopenharmony_ci u8 async_sdr_features; 6362306a36Sopenharmony_ci u8 toggle_ddr_features; 6462306a36Sopenharmony_ci u8 sync_ddr_features; 6562306a36Sopenharmony_ci __le16 t_prog; 6662306a36Sopenharmony_ci __le16 t_bers; 6762306a36Sopenharmony_ci __le16 t_r; 6862306a36Sopenharmony_ci __le16 t_r_multi_plane; 6962306a36Sopenharmony_ci __le16 t_ccs; 7062306a36Sopenharmony_ci __le16 io_pin_capacitance_typ; 7162306a36Sopenharmony_ci __le16 input_pin_capacitance_typ; 7262306a36Sopenharmony_ci __le16 clk_pin_capacitance_typ; 7362306a36Sopenharmony_ci u8 driver_strength_support; 7462306a36Sopenharmony_ci __le16 t_adl; 7562306a36Sopenharmony_ci u8 reserved4[36]; 7662306a36Sopenharmony_ci 7762306a36Sopenharmony_ci /* ECC and endurance block */ 7862306a36Sopenharmony_ci u8 guaranteed_good_blocks; 7962306a36Sopenharmony_ci __le16 guaranteed_block_endurance; 8062306a36Sopenharmony_ci struct jedec_ecc_info ecc_info[4]; 8162306a36Sopenharmony_ci u8 reserved5[29]; 8262306a36Sopenharmony_ci 8362306a36Sopenharmony_ci /* reserved */ 8462306a36Sopenharmony_ci u8 reserved6[148]; 8562306a36Sopenharmony_ci 8662306a36Sopenharmony_ci /* vendor */ 8762306a36Sopenharmony_ci __le16 vendor_rev_num; 8862306a36Sopenharmony_ci u8 reserved7[88]; 8962306a36Sopenharmony_ci 9062306a36Sopenharmony_ci /* CRC for Parameter Page */ 9162306a36Sopenharmony_ci __le16 crc; 9262306a36Sopenharmony_ci} __packed; 9362306a36Sopenharmony_ci 9462306a36Sopenharmony_ci#endif /* __LINUX_MTD_JEDEC_H */ 95