aboutsummaryrefslogtreecommitdiff
path: root/src/flash/winbond.rs
blob: afac605ec59e401af48f539394dc4deeca7cc527 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
//! Winbond Serial NOR Flash.

use super::*;
use crate::{ImxrtFlashAlgorithm, sequences::common as sequences};

pub type W25q64 = Winbond<{ 64 / 8 * 1024 * 1024 }>;

/// A Winbond serial NOR flash driver.
pub struct Winbond<const FLASH_CAPACITY_BYTES: usize>;

impl<const FLASH_CAPACITY_BYTES: usize> ImxrtFlashAlgorithm for Winbond<FLASH_CAPACITY_BYTES> {
    const FLASH_CAPACITY_BYTES: usize = FLASH_CAPACITY_BYTES;
    const FLASH_PAGE_SIZE_BYTES: usize = 256;
    const FLASH_SECTOR_SIZE_BYTES: usize = 4096;

    fn initialize(flexspi: imxrt_drivers_flexspi::Instance) {
        defmt::assert_eq!(
            READ,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                READ.seq_id,
                &[sequences::seq_fast_read_quad_io(6)],
            ))
        );

        defmt::assert_eq!(
            SET_READ_PARAMS,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                SET_READ_PARAMS.seq_id,
                &[sequences::SEQ_SET_READ_PARAMS_VOL]
            ))
        );

        defmt::assert_eq!(
            WRITE_ENABLE,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                WRITE_ENABLE.seq_id,
                &[sequences::SEQ_WRITE_ENABLE]
            ))
        );

        defmt::assert_eq!(
            ERASE_SECTOR,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                ERASE_SECTOR.seq_id,
                &[sequences::SEQ_WRITE_ENABLE, sequences::SEQ_ERASE_SECTOR]
            ))
        );

        defmt::assert_eq!(
            READ_STATUS,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                READ_STATUS.seq_id,
                &[sequences::SEQ_READ_STATUS]
            ))
        );

        defmt::assert_eq!(
            PAGE_PROGRAM,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                PAGE_PROGRAM.seq_id,
                &[
                    sequences::SEQ_WRITE_ENABLE,
                    sequences::SEQ_PAGE_PROGRAM_QUAD_INPUT
                ]
            ))
        );

        defmt::assert_eq!(
            CHIP_ERASE,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                CHIP_ERASE.seq_id,
                &[sequences::SEQ_WRITE_ENABLE, sequences::SEQ_ERASE_CHIP]
            ))
        );

        defmt::assert_eq!(
            RESET,
            defmt::unwrap!(crate::install_ip_cmd(
                flexspi,
                RESET.seq_id,
                &[sequences::SEQ_RSTEN, sequences::SEQ_RST]
            ))
        );
    }
}