From 1ad5d5a771d5109a763361454fb724b85ae25fdd Mon Sep 17 00:00:00 2001 From: i509VCB Date: Wed, 9 Jul 2025 23:08:59 -0500 Subject: nxp: Add MIMXRT1011 GPIO and time driver PIT is used for the time driver --- examples/mimxrt1011/src/lib.rs | 75 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 examples/mimxrt1011/src/lib.rs (limited to 'examples/mimxrt1011/src/lib.rs') diff --git a/examples/mimxrt1011/src/lib.rs b/examples/mimxrt1011/src/lib.rs new file mode 100644 index 000000000..f0391ef57 --- /dev/null +++ b/examples/mimxrt1011/src/lib.rs @@ -0,0 +1,75 @@ +//! FlexSPI configuration block (FCB) for iMXRT1011 boards. +//! +//! This is a generic FCB that should work with most QSPI flash. + +#![no_std] + +use imxrt_boot_gen::flexspi; +use imxrt_boot_gen::flexspi::opcodes::sdr::*; +use imxrt_boot_gen::flexspi::{ + ColumnAddressWidth, Command, DeviceModeConfiguration, FlashPadType, Instr, LookupTable, Pads, + ReadSampleClockSource, Sequence, SequenceBuilder, SerialClockFrequency, SerialFlashRegion, + WaitTimeConfigurationCommands, +}; +use imxrt_boot_gen::serial_flash::nor; + +/// While the IMXRT1010-EVK and Makerdiary iMX RT1011 Nano Kit have 128MBit of flash we limit to 64Mbit +/// to allow the Metro M7 boards to use the same FCB configuration. +const DENSITY_BITS: u32 = 64 * 1024 * 1024; +const DENSITY_BYTES: u32 = DENSITY_BITS / 8; + +const SEQ_READ: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0xEB)) + .instr(Instr::new(RADDR, Pads::Four, 0x18)) + .instr(Instr::new(DUMMY, Pads::Four, 0x06)) + .instr(Instr::new(READ, Pads::Four, 0x04)) + .build(); + +const SEQ_READ_STATUS: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x05)) + .instr(Instr::new(READ, Pads::One, 0x01)) + .build(); + +const SEQ_WRITE_ENABLE: Sequence = SequenceBuilder::new().instr(Instr::new(CMD, Pads::One, 0x06)).build(); + +const SEQ_ERASE_SECTOR: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x20)) + .instr(Instr::new(RADDR, Pads::One, 0x18)) + .build(); + +const SEQ_PAGE_PROGRAM: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x02)) + .instr(Instr::new(RADDR, Pads::One, 0x18)) + .instr(Instr::new(WRITE, Pads::One, 0x04)) + .build(); + +const SEQ_CHIP_ERASE: Sequence = SequenceBuilder::new().instr(Instr::new(CMD, Pads::One, 0x60)).build(); + +const LUT: LookupTable = LookupTable::new() + .command(Command::Read, SEQ_READ) + .command(Command::ReadStatus, SEQ_READ_STATUS) + .command(Command::WriteEnable, SEQ_WRITE_ENABLE) + .command(Command::EraseSector, SEQ_ERASE_SECTOR) + .command(Command::PageProgram, SEQ_PAGE_PROGRAM) + .command(Command::ChipErase, SEQ_CHIP_ERASE); + +const COMMON_CONFIGURATION_BLOCK: flexspi::ConfigurationBlock = flexspi::ConfigurationBlock::new(LUT) + .read_sample_clk_src(ReadSampleClockSource::LoopbackFromDQSPad) + .cs_hold_time(0x03) + .cs_setup_time(0x03) + .column_address_width(ColumnAddressWidth::OtherDevices) + .device_mode_configuration(DeviceModeConfiguration::Disabled) + .wait_time_cfg_commands(WaitTimeConfigurationCommands::disable()) + .flash_size(SerialFlashRegion::A1, DENSITY_BYTES) + .serial_clk_freq(SerialClockFrequency::MHz120) + .serial_flash_pad_type(FlashPadType::Quad); + +pub const SERIAL_NOR_CONFIGURATION_BLOCK: nor::ConfigurationBlock = + nor::ConfigurationBlock::new(COMMON_CONFIGURATION_BLOCK) + .page_size(256) + .sector_size(4096) + .ip_cmd_serial_clk_freq(nor::SerialClockFrequency::MHz30); + +#[unsafe(no_mangle)] +#[cfg_attr(all(target_arch = "arm", target_os = "none"), link_section = ".fcb")] +pub static FLEXSPI_CONFIGURATION_BLOCK: nor::ConfigurationBlock = SERIAL_NOR_CONFIGURATION_BLOCK; -- cgit