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