First commit

1 files changed, 50 insertions, 0 deletions

diff --git a/imxrt1040/src/lib.rs b/imxrt1040/src/lib.rs
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--- /dev/null
+++ b/imxrt1040/src/lib.rs
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+//! Interface package for writing flash algorithms for 1040 MCUs.
+#![no_std]
+
+use core::num::NonZero;
+
+pub use imxrt_flash_algos::*;
+use imxrt1040::{ccm, dcdc, instances};
+
+const AHB_CONFIG: ccm::AbhConfiguration = ccm::AbhConfiguration {
+    div_sel: 100,
+    arm_divider: 2,
+    ahb_divider: 1,
+};
+const _: () = assert!(AHB_CONFIG.ahb_frequency() == 600_000_000);
+
+fn configure_clocks(ccm: ccm::CCM, ccm_analog: ccm::CCM_ANALOG, dcdc: dcdc::Instance) {
+    dcdc::set_target_vdd_soc(dcdc, 1250);
+    ccm::configure_ahb(ccm, ccm_analog, &AHB_CONFIG);
+
+    ccm::clock_gate::set(ccm, ccm::gates::FLEXSPI1, false.into());
+
+    ccm::pll2::restart(ccm_analog);
+    ral_registers::modify_reg!(ccm::ral::ccm_analog, ccm_analog, PFD_528, PFD2_FRAC: PFD2_FRAC.get());
+
+    ccm::flexspi1_clk::set_divider(ccm, 3);
+    ccm::flexspi1_clk::set_selection(ccm, ccm::flexspi1_clk::Selection::Pll2Pfd2);
+
+    ccm::clock_gate::set(ccm, ccm::gates::FLEXSPI1, true.into());
+}
+
+const PFD2_FRAC: NonZero<u32> = ccm::pll2::pll_pfd_divider(396_000_000).unwrap();
+
+pub struct Imxrt1040;
+impl imxrt10xx::Imxrt10xx for Imxrt1040 {
+    const FLEXSPI1_INSTANCE: imxrt1040::flexspi::Instance = unsafe { instances::flexspi1() };
+
+    const CCM_INSTANCE: ccm::CCM = unsafe { instances::ccm() };
+
+    const CCM_ANALOG_INSTANCE: ccm::CCM_ANALOG = unsafe { instances::ccm_analog() };
+
+    const DCDC_INSTANCE: dcdc::Instance = unsafe { instances::dcdc() };
+
+    const FLEXSPI_FIFO_CAPACITY_BYTES: usize = 128;
+
+    fn configure_clocks(ccm: ccm::CCM, ccm_analog: ccm::CCM_ANALOG, dcdc: dcdc::Instance) {
+        self::configure_clocks(ccm, ccm_analog, dcdc);
+    }
+}
+
+pub type Algorithm<F> = imxrt10xx::Algorithm<Imxrt1040, F>;