diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/adesto.rs | 7 | ||||
| -rw-r--r-- | src/flash/issi.rs | 101 | ||||
| -rw-r--r-- | src/flash/winbond.rs | 92 |
3 files changed, 200 insertions, 0 deletions
diff --git a/src/flash/adesto.rs b/src/flash/adesto.rs new file mode 100644 index 0000000..0c21d8c --- /dev/null +++ b/src/flash/adesto.rs @@ -0,0 +1,7 @@ +//! Adesto serial NOR flash. +//! +//! Looks just like a Winbond flash part. + +pub use super::winbond::Winbond as Adesto; + +pub type At25sf128 = Adesto<{ 128 / 8 * 1024 * 1024 }>; diff --git a/src/flash/issi.rs b/src/flash/issi.rs new file mode 100644 index 0000000..1d36bb0 --- /dev/null +++ b/src/flash/issi.rs @@ -0,0 +1,101 @@ +//! ISSI Serial NOR Flash. + +use super::*; +use crate::{ImxrtFlashAlgorithm, sequences::common as sequences}; + +pub type Is25WP128 = Issi<{ 128 / 8 * 1024 * 1024 }, 15>; + +/// An ISSI serial NOR flash driver. +pub struct Issi<const FLASH_CAPACITY_BYTES: usize, const DUMMY_CYCLES: u8>; + +impl<const FLASH_CAPACITY_BYTES: usize, const DUMMY_CYCLES: u8> ImxrtFlashAlgorithm + for Issi<FLASH_CAPACITY_BYTES, DUMMY_CYCLES> +{ + 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(DUMMY_CYCLES)], + )) + ); + + 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] + )) + ); + + let set_read_params_data = [DUMMY_CYCLES << 3]; + crate::start_ip_cmd(flexspi, SET_READ_PARAMS, 0, &set_read_params_data); + crate::transmit_bytes(flexspi, &set_read_params_data); + crate::wait_for_ip_cmd_done(flexspi); + crate::clear_tx_fifo(flexspi); + crate::wait_for_idle(flexspi); + } +} diff --git a/src/flash/winbond.rs b/src/flash/winbond.rs new file mode 100644 index 0000000..afac605 --- /dev/null +++ b/src/flash/winbond.rs @@ -0,0 +1,92 @@ +//! 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] + )) + ); + } +} |