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retry RTIO PLL lock

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This commit is contained in:
Sebastien Bourdeauducq 2020-07-25 11:15:33 +08:00
parent 0ce45b145e
commit 26874030fc
1 changed files with 15 additions and 16 deletions
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19
src/runtime/src/main.rs
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@ -112,22 +112,21 @@ fn init_rtio(timer: &mut GlobalTimer, cfg: &config::Config) {
0
};
loop {
unsafe {
pl::csr::rtio_crg::pll_reset_write(1);
pl::csr::rtio_crg::clock_sel_write(clock_sel);
}
timer.delay_ms(2);
unsafe {
pl::csr::rtio_crg::pll_reset_write(0);
}
timer.delay_ms(2);
timer.delay_ms(1);
let locked = unsafe { pl::csr::rtio_crg::pll_locked_read() != 0 };
if !locked {
panic!("RTIO PLL failed to lock");
if locked {
info!("RTIO PLL locked");
break;
} else {
warn!("RTIO PLL failed to lock, retrying...");
timer.delay_ms(500);
}
}
unsafe {