| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> | |
| * Steven J. Hill <sjhill@realitydiluted.com> | |
| * Thomas Gleixner <tglx@linutronix.de> | |
| * | |
| * Contains all JEDEC related definitions | |
| */ | |
| #ifndef __LINUX_MTD_JEDEC_H | |
| #define __LINUX_MTD_JEDEC_H | |
| struct jedec_ecc_info { | |
| u8 ecc_bits; | |
| u8 codeword_size; | |
| __le16 bb_per_lun; | |
| __le16 block_endurance; | |
| u8 reserved[2]; | |
| } __packed; | |
| /* JEDEC features */ | |
| #define JEDEC_FEATURE_16_BIT_BUS (1 << 0) | |
| struct nand_jedec_params { | |
| /* rev info and features block */ | |
| /* 'J' 'E' 'S' 'D' */ | |
| u8 sig[4]; | |
| __le16 revision; | |
| __le16 features; | |
| u8 opt_cmd[3]; | |
| __le16 sec_cmd; | |
| u8 num_of_param_pages; | |
| u8 reserved0[18]; | |
| /* manufacturer information block */ | |
| char manufacturer[12]; | |
| char model[20]; | |
| u8 jedec_id[6]; | |
| u8 reserved1[10]; | |
| /* memory organization block */ | |
| __le32 byte_per_page; | |
| __le16 spare_bytes_per_page; | |
| u8 reserved2[6]; | |
| __le32 pages_per_block; | |
| __le32 blocks_per_lun; | |
| u8 lun_count; | |
| u8 addr_cycles; | |
| u8 bits_per_cell; | |
| u8 programs_per_page; | |
| u8 multi_plane_addr; | |
| u8 multi_plane_op_attr; | |
| u8 reserved3[38]; | |
| /* electrical parameter block */ | |
| __le16 async_sdr_speed_grade; | |
| __le16 toggle_ddr_speed_grade; | |
| __le16 sync_ddr_speed_grade; | |
| u8 async_sdr_features; | |
| u8 toggle_ddr_features; | |
| u8 sync_ddr_features; | |
| __le16 t_prog; | |
| __le16 t_bers; | |
| __le16 t_r; | |
| __le16 t_r_multi_plane; | |
| __le16 t_ccs; | |
| __le16 io_pin_capacitance_typ; | |
| __le16 input_pin_capacitance_typ; | |
| __le16 clk_pin_capacitance_typ; | |
| u8 driver_strength_support; | |
| __le16 t_adl; | |
| u8 reserved4[36]; | |
| /* ECC and endurance block */ | |
| u8 guaranteed_good_blocks; | |
| __le16 guaranteed_block_endurance; | |
| struct jedec_ecc_info ecc_info[4]; | |
| u8 reserved5[29]; | |
| /* reserved */ | |
| u8 reserved6[148]; | |
| /* vendor */ | |
| __le16 vendor_rev_num; | |
| u8 reserved7[88]; | |
| /* CRC for Parameter Page */ | |
| __le16 crc; | |
| } __packed; | |
| #endif /* __LINUX_MTD_JEDEC_H */ |