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ohci: Toggle frameinterval bit on update

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Ryzee119 2022-06-04 14:09:21 +09:30 committed by Ryan Wendland
parent d5e6d02817
commit 2063ee5f15
1 changed files with 1 additions and 0 deletions
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src/portable/ohci/ohci.c
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@ -212,6 +212,7 @@ bool hcd_init(uint8_t rhport)
OHCI_CONTROL_LIST_BULK_ENABLE_MASK | OHCI_CONTROL_LIST_PERIODIC_ENABLE_MASK; // TODO Isochronous
OHCI_REG->frame_interval = (OHCI_FMINTERVAL_FSMPS << 16) | OHCI_FMINTERVAL_FI;
OHCI_REG->frame_interval ^= (1 << 31); //Must toggle when frame_interval is updated.
OHCI_REG->periodic_start = (OHCI_FMINTERVAL_FI * 9) / 10; // Periodic start is 90% of frame interval
OHCI_REG->control_bit.hc_functional_state = OHCI_CONTROL_FUNCSTATE_OPERATIONAL; // make HC's state to operational state TODO use this to suspend (save power)