static void ep0_setup(void)
{
mxc_ep_qh_setup(0, USB_RECV, USB_ENDPOINT_XFER_CONTROL,
USB_MAX_CTRL_PAYLOAD, 0, 0);
mxc_ep_qh_setup(0, USB_SEND, USB_ENDPOINT_XFER_CONTROL,
USB_MAX_CTRL_PAYLOAD, 0, 0);
mxc_ep_setup(0, USB_RECV, USB_ENDPOINT_XFER_CONTROL);
mxc_ep_setup(0, USB_SEND, USB_ENDPOINT_XFER_CONTROL);
mxc_init_ep_dtd(0 * 2 + USB_RECV);
mxc_init_ep_dtd(0 * 2 + USB_SEND);
}
void udc_setup_ep(struct usb_device_instance *device, u32 index,
struct usb_endpoint_instance *epi)
{
u8 dir, epnum, zlt, mult;
u8 ep_type;
u32 max_pkt_size;
int ep_addr;
struct mxc_ep_t *ep;
if (epi) {
zlt = 1;
mult = 0;
ep_addr = epi->endpoint_address;
epnum = ep_addr & USB_ENDPOINT_NUMBER_MASK;
DBG("setup ep %d\n", epnum);
if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
dir = USB_SEND;
ep_type = epi->tx_attributes;
max_pkt_size = epi->tx_packetSize;
} else {
dir = USB_RECV;
ep_type = epi->rcv_attributes;
max_pkt_size = epi->rcv_packetSize;
}
if (ep_type == USB_ENDPOINT_XFER_ISOC) {
mult = (u32)(1 + ((max_pkt_size >> 11) & 0x03));
max_pkt_size = max_pkt_size & 0x7ff;
DBG("mult = %d\n", mult);
}
ep = mxc_udc.mxc_ep + (epnum * 2 + dir);
ep->epi = epi;
if (epnum) {
struct ep_queue_item *tqi;
int i;
mxc_ep_qh_setup(epnum, dir, ep_type,
max_pkt_size, zlt, mult);
mxc_ep_setup(epnum, dir, ep_type);
mxc_init_ep_dtd(epnum * 2 + dir);
/* malloc endpoint's dtd's data buffer*/
ep->max_pkt_size = max_pkt_size;
for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
tqi = ep->ep_dtd[i];
tqi->page_vir = (u32)malloc_aligned_buffer(
&tqi->page_unaligned, max_pkt_size,
USB_MEM_ALIGN_BYTE);
if ((void *)tqi->page_vir == NULL) {
printf("malloc dtd bufer failure\n");
return;
}
mxc_tqi_init_page(tqi);
flush_dcache_range((unsigned long)tqi,
CACHE_ALIGNED_END(tqi, sizeof(struct ep_queue_item)));
}
}
}