/*FUNCTION*-------------------------------------------------------------------
*
* Function Name : _bsp_usb_host_init
* Returned Value : 0 for success, -1 for failure
* Comments :
* This function performs BSP-specific initialization related to USB
*
*END*----------------------------------------------------------------------*/
_mqx_int _bsp_usb_host_init(struct usb_host_if_struct *usb_if)
{
_mqx_int result;
if (usb_if == NULL) {
return IO_ERROR;
}
result = _bsp_usb_host_io_init(usb_if);
if (result != MQX_OK)
return result;
if (usb_if->HOST_INIT_PARAM == &_khci0_host_init_param) {
/* Do not configure enable USB regulator for host */
// SIM_SOPT1CFG_REG(SIM_BASE_PTR) |= SIM_SOPT1CFG_URWE_MASK;
// SIM_SOPT1_REG(SIM_BASE_PTR) |= SIM_SOPT1_USBREGEN_MASK;
/* Reset USB peripheral */
USB_USBTRC0_REG(USB0_BASE_PTR) |= USB_USBTRC0_USBRESET_MASK;
/* Wait while resetting */
while (USB_USBTRC0_REG(USB0_BASE_PTR) & USB_USBTRC0_USBRESET_MASK)
{}
/* reset USB CTRL register */
USB_USBCTRL_REG(USB0_BASE_PTR) = 0;
/* setup interrupt */
_bsp_int_init(INT_USB0, BSP_USB_INT_LEVEL, 0, TRUE);
}
else if (usb_if->HOST_INIT_PARAM == &_ehci0_host_init_param) {
USBHS_USBCMD |= USBHS_USBCMD_RST_MASK;
while (USBHS_USBCMD & USBHS_USBCMD_RST_MASK)
{ /* delay while resetting USB controller */ }
USBHS_USBMODE = USBHS_USBMODE_CM_HOST_MASK;
USBHS_USBCMD = USBHS_USBCMD_ASP(3) | USBHS_USBCMD_ITC(0);
/* setup interrupt */
_bsp_int_init(INT_USBHS, BSP_USB_INT_LEVEL, 0, TRUE);
}
else {
/* unknown controller */
result = IO_ERROR;
}
return result;
}
/*FUNCTION*-------------------------------------------------------------------
*
* Function Name : _bsp_usb_host_init
* Returned Value : 0 for success, -1 for failure
* Comments :
* This function performs BSP-specific initialization related to USB
*
*END*----------------------------------------------------------------------*/
_mqx_int _bsp_usb_host_init(struct usb_host_if_struct *usb_if)
{
_mqx_int result = _bsp_usb_host_io_init(usb_if);
if (result != MQX_OK) return result;
/* Do not configure enable USB regulator for host */
/* SIM_SOPT1_REG(SIM_BASE_PTR) |= SIM_SOPT1_USBREGEN_MASK; */
/* reset USB CTRL register */
USB_USBCTRL_REG(USB0_BASE_PTR) = 0;
/* setup interrupt */
_bsp_int_init(INT_USB0, BSP_USB_INT_LEVEL, 0, TRUE);
return MQX_OK;
}
/*FUNCTION*-------------------------------------------------------------------
*
* Function Name : _bsp_usb_host_init
* Returned Value : 0 for success, -1 for failure
* Comments :
* This function performs BSP-specific initialization related to USB
*
*END*----------------------------------------------------------------------*/
_mqx_int _bsp_usb_host_init(struct usb_host_if_struct *usb_if)
{
USB_MemMapPtr usb_ptr;
USB_EHCI_HOST_INIT_STRUCT_PTR usb_init;
_mqx_int result;
if (usb_if == NULL) {
return USBBSP_ERROR;
}
if (usb_if->HOST_INIT_PARAM == &_ehci0_host_init_param) {
usb_ptr = USB0_BASE_PTR;
}
else if (usb_if->HOST_INIT_PARAM == &_ehci1_host_init_param) {
usb_ptr = USB1_BASE_PTR;
}
else {
return USBBSP_ERROR; /* unknown controller */
}
result = _bsp_usb_host_io_init(usb_if);
if (result != MQX_OK)
return result;
USB_USBCMD_REG(usb_ptr) &= ~USB_USBCMD_RS_MASK;
while (USB_USBCMD_REG(usb_ptr) & USB_USBCMD_RS_MASK);
{ /* delay while resetting USB controller */
}
USB_USBCMD_REG(usb_ptr) |= USB_USBCMD_RST_MASK;
while (USB_USBCMD_REG(usb_ptr) & USB_USBCMD_RST_MASK)
{ /* delay while resetting USB controller */
}
USB_USBMODE_REG(usb_ptr) = USB_USBMODE_CM_MASK;
USB_USBCMD_REG(usb_ptr) = USB_USBCMD_ASP(3) | USB_USBCMD_ITC(0);
/* setup interrupt */
usb_init = (USB_EHCI_HOST_INIT_STRUCT_PTR)usb_if->HOST_INIT_PARAM;
result = _bsp_int_init(usb_init->VECTOR, BSP_USB_INT_LEVEL, 0, TRUE);
return result;
}
