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atsam: Don't enable USB FS clock on SAM3 

This clock is only needed for low-power operation mode,
and wasn't correctly configured anyway (should be 48MHz).

Signed-off-by: Alex Maclean <monkeh@monkeh.net>
This commit is contained in:
Alex Maclean 2021-11-18 19:06:18 +00:00 committed by KevinOConnor
parent c55a94001f
commit 01a223393e
1 changed files with 0 additions and 2 deletions
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2
src/atsam/sam3_usb.c
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@ -214,8 +214,6 @@ usbserial_init(void)
PMC->CKGR_UCKR = CKGR_UCKR_UPLLCOUNT(3) | CKGR_UCKR_UPLLEN;
while (!(PMC->PMC_SR & PMC_SR_LOCKU))
;
PMC->PMC_USB = PMC_USB_USBS | PMC_USB_USBDIV(0);
PMC->PMC_SCER = PMC_SCER_UOTGCLK;
// Enable USB
UOTGHS->UOTGHS_CTRL = (UOTGHS_CTRL_UIMOD | UOTGHS_CTRL_OTGPADE