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Merge pull request #541 from j4cbo/internal-phy 

Allow use of internal FS PHY on OTG_HS interface
This commit is contained in:
Ha Thach 2020-10-25 13:51:11 +07:00 committed by GitHub
parent 43cb5fabfd 229be75a98
commit 566a623038
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 3 deletions
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9
src/portable/st/synopsys/dcd_synopsys.c
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@ -416,7 +416,7 @@ void dcd_init (uint8_t rhport)
if ( rhport == 1 )
{
// On selected MCUs HS port1 can be used with external PHY via ULPI interface
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HIGH_SPEED
// deactivate internal PHY
usb_otg->GCCFG &= ~USB_OTG_GCCFG_PWRDWN;
@ -425,6 +425,9 @@ void dcd_init (uint8_t rhport)
// Select default internal VBUS Indicator and Drive for ULPI
usb_otg->GUSBCFG &= ~(USB_OTG_GUSBCFG_ULPIEVBUSD | USB_OTG_GUSBCFG_ULPIEVBUSI);
#else
usb_otg->GUSBCFG |= USB_OTG_GUSBCFG_PHYSEL;
#endif
#if defined(USB_HS_PHYC)
// Highspeed with embedded UTMI PHYC
@ -467,8 +470,8 @@ void dcd_init (uint8_t rhport)
set_speed(rhport, TUD_OPT_HIGH_SPEED ? TUSB_SPEED_HIGH : TUSB_SPEED_FULL);
// Enable internal USB transceiver.
if ( rhport == 0 ) usb_otg->GCCFG |= USB_OTG_GCCFG_PWRDWN;
// Enable internal USB transceiver, unless using HS core (port 1) with external PHY.
if (!(rhport == 1 && (CFG_TUSB_RHPORT1_MODE & OPT_MODE_HIGH_SPEED))) usb_otg->GCCFG |= USB_OTG_GCCFG_PWRDWN;
usb_otg->GINTMSK |= USB_OTG_GINTMSK_USBRST | USB_OTG_GINTMSK_ENUMDNEM |
USB_OTG_GINTMSK_USBSUSPM | USB_OTG_GINTMSK_WUIM |