/*******************************************************************************
* Function Name : OTGD_FS_CoreInit
* Description : Initialize the USB_OTG controller registers and prepares the core
for device mode or host mode operation.
* Input : None
* Output : None
* Return : Status
*******************************************************************************/
USB_OTG_Status OTGD_FS_CoreInit(void)
{
USB_OTG_Status status = USB_OTG_OK;
USB_OTG_usb_cfg_data usbcfg;
usbcfg.d32 = 0;
/* Reset the Controller */
OTGD_FS_CoreReset();
usbcfg.d32 = READ_REG32(&core_regs.common_regs->usb_cfg);
usbcfg.b.physel = 1;
WRITE_REG32 (&core_regs.common_regs->usb_cfg, usbcfg.d32);
/* init and configure the phy */
OTGD_FS_PhyInit();
/* Reset after a PHY select and set Host mode */
OTGD_FS_CoreReset();
/* Set Host or Device Mode */
SetID();
return status;
}
/*******************************************************************************
* Function Name : OTGD_FS_CoreInit
* Description : Initialize the USB_OTG controller registers and prepares the core
for device mode or host mode operation.
* Input : None
* Output : None
* Return : Status
*******************************************************************************/
USB_OTG_Status OTGD_FS_CoreInit(void)
{
USB_OTG_Status status = USB_OTG_OK;
USB_OTG_GUSBCFG_TypeDef usbcfg;
USB_OTG_GCCFG_TypeDef gccfg;
usbcfg.d32 = 0;
gccfg.d32 = 0;
usbcfg.d32 = USB_OTG_READ_REG32(&USB_OTG_FS_regs.GREGS->GUSBCFG);
usbcfg.b.physel = 1;
USB_OTG_WRITE_REG32 (&USB_OTG_FS_regs.GREGS->GUSBCFG, usbcfg.d32);
/* init and configure the phy */
gccfg.d32 = 0;
gccfg.b.vbussensingB = 1;
gccfg.b.pwdn = 1;
USB_OTG_WRITE_REG32 (&USB_OTG_FS_regs.GREGS->GCCFG, gccfg.d32);
mDELAY(50);
/* Reset after a PHY select and set Host mode */
OTGD_FS_CoreReset();
/* Set Device Mode */
OTGD_FS_SetDeviceMode();
return status;
}
