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Reset core 1 when initializing flash algo #27

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Reset core 1 when initializing flash algo #27

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12 changes: 12 additions & 0 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -157,9 +157,21 @@ const BLOCK_SIZE: u32 = 65536;
const SECTOR_SIZE: u32 = 4096;
const BLOCK_ERASE_CMD: u8 = 0xd8;

fn reset_core_1() {
const PSM_BASE: u32 = 0x4001_0000;
const PSM_FRCE_OFF: u32 = PSM_BASE + 0x4;

unsafe {
core::ptr::write_volatile(PSM_FRCE_OFF as *mut u32, 1 << 16);
while core::ptr::read_volatile(PSM_FRCE_OFF as *mut u32) & 1 << 16 == 0 {}
core::ptr::write_volatile(PSM_FRCE_OFF as *mut u32, 0);
}
}

impl FlashAlgorithm for RP2Algo {
fn new(_address: u32, _clock: u32, _function: Function) -> Result<Self, ErrorCode> {
let funcs = ROMFuncs::load()?;
reset_core_1();
(funcs.connect_internal_flash)();
(funcs.flash_exit_xip)();
Ok(Self { funcs })
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