Struct mimxrt500_hal::bootrom::FlexSpiMemConfig

#[repr(C)]
pub struct FlexSpiMemConfig {

    pub tag: u32,
    pub version: u32,
    pub reserved0: u32,
    pub read_sample_clk_src: u8,
    pub cs_hold_time: u8,
    pub cs_setup_time: u8,
    pub column_address_width: u8,
    pub device_mode_cfg_enable: u8,
    pub device_mode_type: u8,
    pub wait_time_cfg_commands: u16,
    pub device_mode_seq: FlexSpiLutSeq,
    pub device_mode_arg: u32,
    pub config_cmd_enable: u8,
    pub config_mode_type: [u8; 3],
    pub config_cmd_seqs: [FlexSpiLutSeq; 3],
    pub reserved1: u32,
    pub config_cmd_args: [u32; 3],
    pub reserved2: u32,
    pub controller_misc_option: u32,
    pub device_type: u8,
    pub serial_flash_pad_type: u8,
    pub serial_clk_freq: u8,
    pub lut_custom_seq_enable: u8,
    pub reserved3: [u32; 2],
    pub serial_flash_a1_size: u32,
    pub serial_flash_a2_size: u32,
    pub serial_flash_b1_size: u32,
    pub serial_flash_b2_size: u32,
    pub cs_pad_setting_override: u32,
    pub sclk_pad_setting_override: u32,
    pub data_pad_setting_override: u32,
    pub dqs_pad_setting_override: u32,
    pub timeout_in_ms: u32,
    pub command_interval: u32,
    pub data_valid_time: [FlexSpiDllTime; 2],
    pub busy_offset: u16,
    pub busy_bit_polarity: u16,
    pub lookup_table: [u32; 64],
    pub lut_custom_seq: [FlexSpiLutSeq; 12],
    pub reserved4: [u32; 4],
}

Fields

tag: u32

Tag, fixed value 0x42464346.

version: u32

Version,[31:24] -‘V’, [23:16] - Major, [15:8] - Minor, [7:0] - bugfix.

reserved0: u32

Reserved for future use.

read_sample_clk_src: u8

Read Sample Clock Source, valid value: 0/1/3.

cs_hold_time: u8

CS hold time, default value: 3.

cs_setup_time: u8

CS setup time, default value: 3.

column_address_width: u8

Column Address with, for HyperBus protocol, it is fixed to 3, For Serial NAND, need to refer to datasheet.

device_mode_cfg_enable: u8

Device Mode Configure enable flag, 1 - Enable, 0 - Disable.

device_mode_type: u8

Specify the configuration command type:Quad Enable, DPI/QPI/OPI switch, Generic configuration, etc.

wait_time_cfg_commands: u16

Wait time for all configuration commands, unit: 100us, Used for DPI/QPI/OPI switch or reset command.

device_mode_seq: FlexSpiLutSeq

Device mode sequence info, [7:0] - LUT sequence id, [15:8] - LUt sequence number, [31:16] Reserved.

device_mode_arg: u32

Argument/Parameter for device configuration.

config_cmd_enable: u8

Configure command Enable Flag, 1 - Enable, 0 - Disable.

config_mode_type: [u8; 3]

Configure Mode Type, similar as device_mode_type.

config_cmd_seqs: [FlexSpiLutSeq; 3]

Sequence info for Device Configuration command, similar as device_mode_seq.

reserved1: u32

Reserved for future use.

config_cmd_args: [u32; 3]

Arguments/Parameters for device Configuration commands.

reserved2: u32

Reserved for future use.

controller_misc_option: u32

Controller Misc Options, see Misc feature bit definitions for more details.

device_type: u8

Device Type: See Flash Type Definition for more details.

serial_flash_pad_type: u8

Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal.

serial_clk_freq: u8

Serial Flash Frequencey, device specific definitions, See System Boot Chapter for more details.

lut_custom_seq_enable: u8

LUT customization Enable, it is required if the program/erase cannot be done using 1 LUT sequence, currently, only applicable to HyperFLASH.

reserved3: [u32; 2]

Reserved for future use.

serial_flash_a1_size: u32

Size of Flash connected to A1.

serial_flash_a2_size: u32

Size of Flash connected to A2.

serial_flash_b1_size: u32

Size of Flash connected to B1.

serial_flash_b2_size: u32

Size of Flash connected to B2.

cs_pad_setting_override: u32

CS pad setting override value.

sclk_pad_setting_override: u32

SCLK pad setting override value.

data_pad_setting_override: u32

Data pad setting override value.

dqs_pad_setting_override: u32

DQS pad setting override value.

timeout_in_ms: u32

Timeout threshold for read status command.

command_interval: u32

CS deselect interval between two commands.

data_valid_time: [FlexSpiDllTime; 2]

CLK edge to data valid time for PORT A and PORT B.

busy_offset: u16

Busy offset, valid value: 0-31.

busy_bit_polarity: u16

Busy flag polarity, 0 - busy flag is 1 when flash device is busy, 1 - busy flag is 0 when flash device is busy.

lookup_table: [u32; 64]

Lookup table holds Flash command sequences.

lut_custom_seq: [FlexSpiLutSeq; 12]

Customizable LUT Sequences.

reserved4: [u32; 4]

Reserved for future use.

Implementations

impl FlexSpiMemConfig

pub const TAG: u32 = 1_111_900_998u32

pub const VERSION: u32 = 1_442_907_136u32

Trait Implementations

impl Clone for FlexSpiMemConfig

fn clone(&self) -> FlexSpiMemConfig

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for FlexSpiMemConfig