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dwc2/host: HFIR: Fix timing off-by-one

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Maxime Vincent
2025-04-11 12:15:56 +02:00
parent 865e3488f9
commit 72357cdb20
1 changed files with 2 additions and 2 deletions
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4
src/portable/synopsys/dwc2/hcd_dwc2.c
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@@ -1242,9 +1242,9 @@ static void port0_enable(dwc2_regs_t* dwc2, tusb_speed_t speed) {
uint32_t hfir = dwc2->hfir & ~HFIR_FRIVL_Msk; uint32_t hfir = dwc2->hfir & ~HFIR_FRIVL_Msk;
if (speed == TUSB_SPEED_HIGH) { if (speed == TUSB_SPEED_HIGH) {
hfir |= 125*phy_clock; hfir |= 125*phy_clock - 1; // The "- 1" is the correct value. The Synopsys databook was corrected in 3.30a
} else { } else {
hfir |= 1000*phy_clock; hfir |= 1000*phy_clock - 1;
} }
dwc2->hfir = hfir; dwc2->hfir = hfir;