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Merge pull request #2518 from msrd0/issue-2445

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Fix incorrect D1CPRE max for STM32H7 RM0468
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Dario Nieuwenhuis 2024-03-09 11:02:58 +00:00 committed by GitHub
commit 1366c278b3
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1 changed files with 8 additions and 1 deletions
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9
embassy-stm32/src/rcc/h.rs
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@ -455,7 +455,14 @@ pub(crate) unsafe fn init(config: Config) {
}; };
#[cfg(pwr_h7rm0468)] #[cfg(pwr_h7rm0468)]
let (d1cpre_clk_max, hclk_max, pclk_max) = match config.voltage_scale { let (d1cpre_clk_max, hclk_max, pclk_max) = match config.voltage_scale {
VoltageScale::Scale0 => (Hertz(520_000_000), Hertz(275_000_000), Hertz(137_500_000)), VoltageScale::Scale0 => {
let d1cpre_clk_max = if pac::SYSCFG.ur18().read().cpu_freq_boost() {
550_000_000
} else {
520_000_000
};
(Hertz(d1cpre_clk_max), Hertz(275_000_000), Hertz(137_500_000))
}
VoltageScale::Scale1 => (Hertz(400_000_000), Hertz(200_000_000), Hertz(100_000_000)), VoltageScale::Scale1 => (Hertz(400_000_000), Hertz(200_000_000), Hertz(100_000_000)),
VoltageScale::Scale2 => (Hertz(300_000_000), Hertz(150_000_000), Hertz(75_000_000)), VoltageScale::Scale2 => (Hertz(300_000_000), Hertz(150_000_000), Hertz(75_000_000)),
VoltageScale::Scale3 => (Hertz(170_000_000), Hertz(85_000_000), Hertz(42_500_000)), VoltageScale::Scale3 => (Hertz(170_000_000), Hertz(85_000_000), Hertz(42_500_000)),