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-rw-r--r--src/flash/issi.rs124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/flash/issi.rs b/src/flash/issi.rs
deleted file mode 100644
index 6b517af..0000000
--- a/src/flash/issi.rs
+++ /dev/null
@@ -1,124 +0,0 @@
-//! ISSI Serial NOR Flash.
-//!
-//! The same algorithm will query the flash part to differentiate
-//! the 3.3V part ("LP") from the 1.8V part ("WP"). Sequences and
-//! configurations vary by part. Replace the W and L with 'x'.
-
-use super::*;
-use crate::{ImxrtFlashAlgorithm, sequences::common as sequences};
-
-pub type Is25xP128 = Issi<{ 128 / 8 * 1024 * 1024 }>;
-
-/// An ISSI serial NOR flash driver.
-pub struct Issi<const FLASH_CAPACITY_BYTES: usize>;
-
-const ISSI_WP_MEM_TYPE: u8 = 0x70;
-const ISSI_LP_MEM_TYPE: u8 = 0x60;
-
-impl<const FLASH_CAPACITY_BYTES: usize> ImxrtFlashAlgorithm for Issi<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_ID_JEDEC_ID,
- defmt::unwrap!(crate::install_ip_cmd(
- flexspi,
- READ_ID_JEDEC_ID.seq_id,
- &[sequences::SEQ_READ_ID_JEDEC_ID]
- ))
- );
-
- let jedec_id = super::read_jedec_id(flexspi);
- defmt::assert_eq!(jedec_id.mnf_id, 0x9D);
-
- let (dummy_cycles, set_read_params_data) = match jedec_id.mem_type {
- ISSI_WP_MEM_TYPE => (15, 15 << 3),
- ISSI_LP_MEM_TYPE => (10, (0b111 << 5) | (0b11) << 3),
- _ => defmt::panic!("{=u8:#X}", jedec_id.mem_type),
- };
-
- 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 = [set_read_params_data];
- 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);
- }
-}