1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* 2 /*
3 * Copyright © 2000-2010 David Woodhouse <dwm 3 * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
4 * Steven J. Hill <sjhil 4 * Steven J. Hill <sjhill@realitydiluted.com>
5 * Thomas Gleixner <tglx 5 * Thomas Gleixner <tglx@linutronix.de>
6 * 6 *
7 * Contains all JEDEC related definitions 7 * Contains all JEDEC related definitions
8 */ 8 */
9 9
10 #ifndef __LINUX_MTD_JEDEC_H 10 #ifndef __LINUX_MTD_JEDEC_H
11 #define __LINUX_MTD_JEDEC_H 11 #define __LINUX_MTD_JEDEC_H
12 12
13 struct jedec_ecc_info { 13 struct jedec_ecc_info {
14 u8 ecc_bits; 14 u8 ecc_bits;
15 u8 codeword_size; 15 u8 codeword_size;
16 __le16 bb_per_lun; 16 __le16 bb_per_lun;
17 __le16 block_endurance; 17 __le16 block_endurance;
18 u8 reserved[2]; 18 u8 reserved[2];
19 } __packed; 19 } __packed;
20 20
21 /* JEDEC features */ 21 /* JEDEC features */
22 #define JEDEC_FEATURE_16_BIT_BUS (1 << 22 #define JEDEC_FEATURE_16_BIT_BUS (1 << 0)
23 23
24 /* JEDEC Optional Commands */ <<
25 #define JEDEC_OPT_CMD_READ_CACHE BIT(1) <<
26 <<
27 struct nand_jedec_params { 24 struct nand_jedec_params {
28 /* rev info and features block */ 25 /* rev info and features block */
29 /* 'J' 'E' 'S' 'D' */ 26 /* 'J' 'E' 'S' 'D' */
30 u8 sig[4]; 27 u8 sig[4];
31 __le16 revision; 28 __le16 revision;
32 __le16 features; 29 __le16 features;
33 u8 opt_cmd[3]; 30 u8 opt_cmd[3];
34 __le16 sec_cmd; 31 __le16 sec_cmd;
35 u8 num_of_param_pages; 32 u8 num_of_param_pages;
36 u8 reserved0[18]; 33 u8 reserved0[18];
37 34
38 /* manufacturer information block */ 35 /* manufacturer information block */
39 char manufacturer[12]; 36 char manufacturer[12];
40 char model[20]; 37 char model[20];
41 u8 jedec_id[6]; 38 u8 jedec_id[6];
42 u8 reserved1[10]; 39 u8 reserved1[10];
43 40
44 /* memory organization block */ 41 /* memory organization block */
45 __le32 byte_per_page; 42 __le32 byte_per_page;
46 __le16 spare_bytes_per_page; 43 __le16 spare_bytes_per_page;
47 u8 reserved2[6]; 44 u8 reserved2[6];
48 __le32 pages_per_block; 45 __le32 pages_per_block;
49 __le32 blocks_per_lun; 46 __le32 blocks_per_lun;
50 u8 lun_count; 47 u8 lun_count;
51 u8 addr_cycles; 48 u8 addr_cycles;
52 u8 bits_per_cell; 49 u8 bits_per_cell;
53 u8 programs_per_page; 50 u8 programs_per_page;
54 u8 multi_plane_addr; 51 u8 multi_plane_addr;
55 u8 multi_plane_op_attr; 52 u8 multi_plane_op_attr;
56 u8 reserved3[38]; 53 u8 reserved3[38];
57 54
58 /* electrical parameter block */ 55 /* electrical parameter block */
59 __le16 async_sdr_speed_grade; 56 __le16 async_sdr_speed_grade;
60 __le16 toggle_ddr_speed_grade; 57 __le16 toggle_ddr_speed_grade;
61 __le16 sync_ddr_speed_grade; 58 __le16 sync_ddr_speed_grade;
62 u8 async_sdr_features; 59 u8 async_sdr_features;
63 u8 toggle_ddr_features; 60 u8 toggle_ddr_features;
64 u8 sync_ddr_features; 61 u8 sync_ddr_features;
65 __le16 t_prog; 62 __le16 t_prog;
66 __le16 t_bers; 63 __le16 t_bers;
67 __le16 t_r; 64 __le16 t_r;
68 __le16 t_r_multi_plane; 65 __le16 t_r_multi_plane;
69 __le16 t_ccs; 66 __le16 t_ccs;
70 __le16 io_pin_capacitance_typ; 67 __le16 io_pin_capacitance_typ;
71 __le16 input_pin_capacitance_typ; 68 __le16 input_pin_capacitance_typ;
72 __le16 clk_pin_capacitance_typ; 69 __le16 clk_pin_capacitance_typ;
73 u8 driver_strength_support; 70 u8 driver_strength_support;
74 __le16 t_adl; 71 __le16 t_adl;
75 u8 reserved4[36]; 72 u8 reserved4[36];
76 73
77 /* ECC and endurance block */ 74 /* ECC and endurance block */
78 u8 guaranteed_good_blocks; 75 u8 guaranteed_good_blocks;
79 __le16 guaranteed_block_endurance; 76 __le16 guaranteed_block_endurance;
80 struct jedec_ecc_info ecc_info[4]; 77 struct jedec_ecc_info ecc_info[4];
81 u8 reserved5[29]; 78 u8 reserved5[29];
82 79
83 /* reserved */ 80 /* reserved */
84 u8 reserved6[148]; 81 u8 reserved6[148];
85 82
86 /* vendor */ 83 /* vendor */
87 __le16 vendor_rev_num; 84 __le16 vendor_rev_num;
88 u8 reserved7[88]; 85 u8 reserved7[88];
89 86
90 /* CRC for Parameter Page */ 87 /* CRC for Parameter Page */
91 __le16 crc; 88 __le16 crc;
92 } __packed; 89 } __packed;
93 90
94 #endif /* __LINUX_MTD_JEDEC_H */ 91 #endif /* __LINUX_MTD_JEDEC_H */
95 92
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