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path: root/drivers/usb/gadget/imx_udc.c
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Diffstat (limited to 'drivers/usb/gadget/imx_udc.c')
-rw-r--r--drivers/usb/gadget/imx_udc.c625
1 files changed, 624 insertions, 1 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index d0aa5a1..796d783 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -44,7 +44,7 @@
#define mdelay(n) udelay((n)*1000)
-#define EP_TQ_ITEM_SIZE 4
+#define EP_TQ_ITEM_SIZE 16
#define inc_index(x) (x = ((x+1) % EP_TQ_ITEM_SIZE))
@@ -944,3 +944,626 @@ void udc_set_nak(int epid)
void udc_unset_nak(int epid)
{
}
+
+#ifdef CONFIG_FASTBOOT
+
+#include <fastboot.h>
+
+struct EP_QUEUE_HEAD_T {
+ unsigned int config;
+ unsigned int current; /* read-only */
+
+ unsigned int next_queue_item;
+ unsigned int info;
+ unsigned int page0;
+ unsigned int page1;
+ unsigned int page2;
+ unsigned int page3;
+ unsigned int page4;
+ unsigned int reserved_0;
+
+ unsigned char setup_data[8];
+ unsigned int self_buf;
+ unsigned int deal_cnt;
+ unsigned int total_len;
+ unsigned char *deal_buf;
+};
+
+struct EP_DTD_ITEM_T {
+ unsigned int next_item_ptr;
+ unsigned int info;
+ unsigned int page0;
+ unsigned int page1;
+ unsigned int page2;
+ unsigned int page3;
+ unsigned int page4;
+ unsigned int reserved[9];
+};
+
+struct USB_CTRL_T {
+ struct EP_QUEUE_HEAD_T *qh_ptr;
+ struct EP_DTD_ITEM_T *dtd_ptr;
+ EP_HANDLER_P *handler_ptr;
+ u32 configed;
+ u32 max_ep;
+};
+
+struct USB_CTRL_T g_usb_ctrl;
+
+u8 *udc_get_descriptor(u8 type, u8 *plen)
+{
+ if (USB_DESCRIPTOR_TYPE_DEVICE == type) {
+ *plen = ep0_urb->device->device_descriptor->bLength;
+ return (u8 *)(ep0_urb->device->device_descriptor);
+ } else if (USB_DESCRIPTOR_TYPE_CONFIGURATION == type) {
+ *plen = ep0_urb->device->configuration_instance_array->
+ configuration_descriptor->wTotalLength;
+ return (u8 *)(ep0_urb->device->configuration_instance_array->
+ configuration_descriptor);
+ } else {
+ *plen = 0;
+ DBG_ERR("%s, wrong type:%x\n", __func__, type);
+ return NULL;
+ }
+}
+
+void udc_qh_setup(u32 index, u8 ep_type, u32 max_pkt_len, u32 zlt, u8 mult)
+{
+ u32 tmp = max_pkt_len << 16;
+ u32 offset;
+ struct EP_QUEUE_HEAD_T *qh_ptr;
+
+ if (index > EP15_IN_INDEX) {
+ DBG_ERR("%s:%d error, wrong index=%d\n", __func__, __LINE__, index);
+ return;
+ }
+
+ if (index >= EP0_IN_INDEX)
+ offset = (index-EP0_IN_INDEX) * 2 + 1;
+ else
+ offset = index * 2;
+
+ qh_ptr = g_usb_ctrl.qh_ptr + offset;
+
+ switch (ep_type) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ tmp |= (1 << 15);
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ tmp |= (mult << 30);
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ case USB_ENDPOINT_XFER_INT:
+ break;
+ default:
+ DBG_ERR("%s:%d, index=%d, error_type=%d\n",
+ __func__, __LINE__, index, ep_type);
+ return;
+ }
+ if (zlt)
+ tmp |= (1<<29);
+
+ qh_ptr->config = tmp;
+}
+
+void udc_dtd_setup(u32 index, u8 ep_type)
+{
+ u32 epctrl = 0;
+ u8 ep_num, dir;
+
+ if (index > EP15_IN_INDEX) {
+ DBG_ERR("%s:%d error, wrong index=%d", __func__, __LINE__, index);
+ return;
+ }
+
+ if (index >= EP0_IN_INDEX) {
+ ep_num = index - EP0_IN_INDEX;
+ dir = 1;
+ } else {
+ ep_num = index;
+ dir = 0;
+ }
+
+ epctrl = readl(USB_ENDPTCTRL(ep_num));
+ if (dir) {
+ if (ep_num != 0)
+ epctrl |= EPCTRL_TX_DATA_TOGGLE_RST;
+ epctrl |= EPCTRL_TX_ENABLE;
+ epctrl |= ((u32)(ep_type) << EPCTRL_TX_EP_TYPE_SHIFT);
+ } else {
+ if (ep_num != 0)
+ epctrl |= EPCTRL_RX_DATA_TOGGLE_RST;
+ epctrl |= EPCTRL_RX_ENABLE;
+ epctrl |= ((u32)(ep_type) << EPCTRL_RX_EP_TYPE_SHIFT);
+ }
+ writel(epctrl, USB_ENDPTCTRL(ep_num));
+}
+
+
+void udc_qh_dtd_init(u32 index)
+{
+ u32 i, tmp, max_len = 0;
+ u32 offset;
+
+ if (index > EP15_IN_INDEX) {
+ DBG_ERR("%s:%d error, wrong index=%d", __func__, __LINE__, index);
+ return;
+ }
+
+ if (index >= EP0_IN_INDEX)
+ offset = (index-EP0_IN_INDEX) * 2 + 1;
+ else
+ offset = index * 2;
+
+ struct EP_QUEUE_HEAD_T *qh_ptr = g_usb_ctrl.qh_ptr + offset;
+ struct EP_DTD_ITEM_T *dtd_ptr = g_usb_ctrl.dtd_ptr +
+ offset * EP_TQ_ITEM_SIZE;
+
+ if ((index == EP0_IN_INDEX) || (index == EP0_OUT_INDEX))
+ max_len = 64;
+ else
+ max_len = MAX_PAKET_LEN;
+
+ qh_ptr->self_buf = (u32)malloc_dma_buffer(&tmp, max_len,
+ USB_MEM_ALIGN_BYTE);
+ if (!qh_ptr->self_buf) {
+ DBG_ERR("malloc ep data buffer error\n");
+ return;
+ }
+ qh_ptr->next_queue_item = 0x1;
+
+ for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
+ dtd_ptr[i].next_item_ptr = 1;
+ dtd_ptr[i].info = 0x0;
+ }
+}
+
+int udc_recv_data(u32 index, u8 *buf, u32 recvlen, EP_HANDLER_P cb)
+{
+ u32 offset;
+ struct EP_DTD_ITEM_T *dtd_ptr;
+ struct EP_QUEUE_HEAD_T *qh_ptr;
+ u32 max_pkt_len, i;
+ u32 dtd_cnt = 0;
+ u32 len = recvlen;
+
+ if (index >= EP0_IN_INDEX) {
+ DBG_ERR("IN %d is trying to recv data\n", index);
+ return 0;
+ }
+
+ if (index != EP0_OUT_INDEX)
+ max_pkt_len = MAX_PAKET_LEN;
+ else
+ max_pkt_len = 64;
+
+ if ((len > max_pkt_len) && (!buf)) {
+ DBG_ERR("RecvData, wrong param\n");
+ return 0;
+ }
+
+ offset = index * 2;
+
+ dtd_ptr = g_usb_ctrl.dtd_ptr + offset*EP_TQ_ITEM_SIZE;
+ qh_ptr = g_usb_ctrl.qh_ptr + offset;
+ if (!buf)
+ buf = (u8 *)(qh_ptr->self_buf);
+
+ DBG_INFO("\n\n\n\nRecvData, index=%d, qh_ptr=0x%p, recvlen=0x%x, "
+ "recvbuf=0x%p\n", index, qh_ptr, len, buf);
+ for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
+ if (dtd_ptr[i].info & 0x80) {
+ DBG_ERR("We got index=%d dtd%u error[0x%08x]\n",
+ index, i, dtd_ptr[i].info);
+ }
+ }
+
+ if (qh_ptr->total_len == 0) {
+ qh_ptr->total_len = recvlen;
+ qh_ptr->deal_buf = buf;
+ qh_ptr->deal_cnt = 0;
+ g_usb_ctrl.handler_ptr[index] = cb;
+ }
+
+ while (dtd_cnt < EP_TQ_ITEM_SIZE) {
+ u32 remain = 0x1000 - (((u32)buf)&0xfff);
+ dtd_ptr[dtd_cnt].page0 = (u32)buf;
+ dtd_ptr[dtd_cnt].page1 = (dtd_ptr[dtd_cnt].page0&0xfffff000) + 0x1000;
+ dtd_ptr[dtd_cnt].page2 = dtd_ptr[dtd_cnt].page1 + 0x1000;
+ dtd_ptr[dtd_cnt].page3 = dtd_ptr[dtd_cnt].page2 + 0x1000;
+ dtd_ptr[dtd_cnt].page4 = dtd_ptr[dtd_cnt].page3 + 0x1000;
+
+ if (len > (remain+16*1024)) { /*we need another dtd*/
+ len -= (remain+16*1024);
+ buf += (remain+16*1024);
+ /*no interrupt here*/
+ dtd_ptr[dtd_cnt].info = (((remain+16*1024)<<16) | (1<<7));
+ if (dtd_cnt < (EP_TQ_ITEM_SIZE-1)) { /*we have another dtd*/
+ /*get dtd linked*/
+ dtd_ptr[dtd_cnt].next_item_ptr = (u32)(dtd_ptr+dtd_cnt+1);
+ DBG_INFO("we have another dtd, cnt=%u, remain=0x%x\n",
+ dtd_cnt, remain);
+ dtd_cnt++;
+ continue;
+ } else { /*there is no more dtd, so we need to recv the dtd chain*/
+ dtd_ptr[dtd_cnt].next_item_ptr = 0x1; /*dtd terminate*/
+ /*interrupt when transfer done*/
+ dtd_ptr[dtd_cnt].info |= (1<<15);
+ DBG_INFO("we have none dtd, cnt=%u, remain=%u, "
+ "len_left=0x%x\n", dtd_cnt, remain, len);
+ break;
+ }
+ } else { /*we could recv all data in this dtd*/
+ /*interrupt when transfer done*/
+ dtd_ptr[dtd_cnt].info = ((len<<16) | (1<<15) | (1<<7));
+ dtd_ptr[dtd_cnt].next_item_ptr = 0x1; /*dtd terminate*/
+ len = 0;
+ DBG_INFO("we could done in this dtd, cnt=%u, remain=%u, "
+ "len_left=0x%x\n", dtd_cnt, remain, len);
+ break;
+ }
+ }
+
+ for (i = dtd_cnt+1; i < EP_TQ_ITEM_SIZE; i++)
+ dtd_ptr[i].info = 0;
+
+ qh_ptr->next_queue_item = (u32)dtd_ptr;
+ qh_ptr->deal_cnt += (recvlen - len);
+ writel(1 << index, USB_ENDPTPRIME);
+ return qh_ptr->deal_cnt;
+}
+
+int udc_send_data(u32 index, u8 *buf, u32 sendlen, EP_HANDLER_P cb)
+{
+ u32 offset;
+ struct EP_DTD_ITEM_T *dtd_ptr;
+ struct EP_QUEUE_HEAD_T *qh_ptr;
+ u32 max_pkt_len, i;
+ u32 dtd_cnt = 0;
+ u32 len = sendlen;
+
+ if (index < EP0_IN_INDEX) {
+ DBG_ERR("OUT %d is trying to send data\n", index);
+ return 0;
+ }
+
+ if (index != EP0_IN_INDEX)
+ max_pkt_len = MAX_PAKET_LEN;
+ else
+ max_pkt_len = 64;
+
+ if ((len > max_pkt_len) && (!buf)) {
+ DBG_ERR("SendData, wrong param\n");
+ return 0;
+ }
+
+ offset = (index - EP0_IN_INDEX) * 2 + 1;
+
+ dtd_ptr = g_usb_ctrl.dtd_ptr + offset*EP_TQ_ITEM_SIZE;
+ qh_ptr = g_usb_ctrl.qh_ptr + offset;
+ if (!buf)
+ buf = (u8 *)(qh_ptr->self_buf);
+
+ DBG_INFO("\n\n\n\nSendData, index=%d, qh_ptr=0x%p, sendlen=0x%x, "
+ "sendbuf=0x%p\n", index, qh_ptr, len, buf);
+ for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
+ if (dtd_ptr[i].info & 0x80) {
+ DBG_ERR("We got index=%d dtd%u error[0x%08x]\n",
+ index, i, dtd_ptr[i].info);
+ }
+ }
+
+ if (qh_ptr->total_len == 0) {
+ qh_ptr->total_len = sendlen;
+ qh_ptr->deal_buf = buf;
+ qh_ptr->deal_cnt = 0;
+ g_usb_ctrl.handler_ptr[index] = cb;
+ }
+
+ while (dtd_cnt < EP_TQ_ITEM_SIZE) {
+ u32 remain = 0x1000 - (((u32)buf)&0xfff);
+ dtd_ptr[dtd_cnt].page0 = (u32)buf;
+ dtd_ptr[dtd_cnt].page1 = (dtd_ptr[dtd_cnt].page0&0xfffff000) + 0x1000;
+ dtd_ptr[dtd_cnt].page2 = dtd_ptr[dtd_cnt].page1 + 0x1000;
+ dtd_ptr[dtd_cnt].page3 = dtd_ptr[dtd_cnt].page2 + 0x1000;
+ dtd_ptr[dtd_cnt].page4 = dtd_ptr[dtd_cnt].page3 + 0x1000;
+
+ if (len > (remain+16*1024)) { /*we need another dtd*/
+ len -= (remain+16*1024);
+ buf += (remain+16*1024);
+ /*no interrupt here*/
+ dtd_ptr[dtd_cnt].info = (((remain+16*1024)<<16) | (1<<7));
+ if (dtd_cnt < (EP_TQ_ITEM_SIZE-1)) { /*we have another dtd*/
+ /*get dtd linked*/
+ dtd_ptr[dtd_cnt].next_item_ptr = (u32)(dtd_ptr+dtd_cnt+1);
+ DBG_INFO("we have another dtd, cnt=%u, remain=0x%x\n",
+ dtd_cnt, remain);
+ dtd_cnt++;
+ continue;
+ } else { /*there is no more dtd, so we need to recv the dtd chain*/
+ dtd_ptr[dtd_cnt].next_item_ptr = 0x1; /*dtd terminate*/
+ /*interrupt when transfer done*/
+ dtd_ptr[dtd_cnt].info |= (1<<15);
+ DBG_INFO("we have none dtd, cnt=%u, remain=%u, "
+ "len_left=0x%x\n", dtd_cnt, remain, len);
+ break;
+ }
+ } else { /* we could recv all data in this dtd */
+ /*interrupt when transfer done*/
+ dtd_ptr[dtd_cnt].info = ((len<<16) | (1<<15) | (1<<7));
+ dtd_ptr[dtd_cnt].next_item_ptr = 0x1; /*dtd terminate*/
+ len = 0;
+ DBG_INFO("we could done in this dtd, cnt=%u, remain=%u, "
+ "len_left=0x%x\n", dtd_cnt, remain, len);
+ break;
+ }
+ }
+
+ for (i = dtd_cnt+1; i < EP_TQ_ITEM_SIZE; i++)
+ dtd_ptr[i].info = 0;
+
+ qh_ptr->next_queue_item = (u32)dtd_ptr;
+ qh_ptr->deal_cnt += (sendlen - len);
+ writel(1 << index, USB_ENDPTPRIME);
+ return qh_ptr->deal_cnt;
+}
+
+static void udc_get_setup(void *s)
+{
+ u32 temp;
+ temp = readl(USB_ENDPTSETUPSTAT);
+ writel(temp, USB_ENDPTSETUPSTAT);
+ DBG_INFO("setup stat %x\n", temp);
+ do {
+ temp = readl(USB_USBCMD);
+ temp |= USB_CMD_SUTW;
+ writel(temp, USB_USBCMD);
+ memcpy((void *)s, (void *)g_usb_ctrl.qh_ptr[0].setup_data, 8);
+ } while (!(readl(USB_USBCMD) & USB_CMD_SUTW));
+
+ temp = readl(USB_USBCMD);
+ temp &= ~USB_CMD_SUTW;
+ writel(temp, USB_ENDPTSETUPSTAT);
+}
+
+static void ep_out_handler(u32 index)
+{
+ u32 offset = index*2;
+ struct EP_DTD_ITEM_T *dtd_ptr = g_usb_ctrl.dtd_ptr +
+ offset * EP_TQ_ITEM_SIZE;
+ struct EP_QUEUE_HEAD_T *qh_ptr = g_usb_ctrl.qh_ptr + offset;
+
+ u32 i, len = 0;
+
+ for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
+ len += (dtd_ptr[i].info >> 16 & 0x7fff);
+ dtd_ptr[i].info = 0;
+ }
+
+ DBG_INFO("%s, index=%d, qh_ptr=0x%p\n", __func__, index, qh_ptr);
+ DBG_DEBUG("%s, index=%d, dealbuf=0x%p, len_cnt=0x%x, total_len=0x%x\n",
+ __func__, index, qh_ptr->deal_buf, qh_ptr->deal_cnt, qh_ptr->total_len);
+
+ if (qh_ptr->total_len < qh_ptr->deal_cnt)
+ DBG_ERR("index %d recv error, total=0x%x, cnt=0x%x\n",
+ index, qh_ptr->total_len, qh_ptr->deal_cnt);
+ if (qh_ptr->total_len != qh_ptr->deal_cnt) {
+ u32 nowcnt, precnt = qh_ptr->deal_cnt;
+ nowcnt = udc_recv_data(index, (u8 *)(qh_ptr->deal_buf+qh_ptr->deal_cnt),
+ qh_ptr->total_len - qh_ptr->deal_cnt,
+ g_usb_ctrl.handler_ptr[index]);
+ if (nowcnt > qh_ptr->total_len)
+ DBG_ERR("index %d recv error, total=0x%x, cnt=0x%x\n",
+ index, qh_ptr->total_len, qh_ptr->deal_cnt);
+ else if (nowcnt == qh_ptr->total_len)
+ DBG_ALWS("\rreceive 100%\n");
+ else
+ DBG_ALWS("\rreceive %d%", precnt/(qh_ptr->total_len/100));
+ } else {
+ qh_ptr->total_len = 0;
+ if (g_usb_ctrl.handler_ptr[index]) {
+ g_usb_ctrl.handler_ptr[index](qh_ptr->deal_cnt-len,
+ (u8 *)(qh_ptr->deal_buf));
+ }
+ }
+}
+
+static void ep_in_handler(u32 index)
+{
+ u32 offset = (index-EP0_IN_INDEX) * 2 + 1;
+ struct EP_DTD_ITEM_T *dtd_ptr = g_usb_ctrl.dtd_ptr +
+ offset * EP_TQ_ITEM_SIZE;
+ struct EP_QUEUE_HEAD_T *qh_ptr = g_usb_ctrl.qh_ptr + offset;
+
+ u32 i, len = 0;
+ for (i = 0; i < EP_TQ_ITEM_SIZE; i++) {
+ len += (dtd_ptr[i].info >> 16 & 0x7fff);
+ dtd_ptr[i].info = 0;
+ }
+
+ DBG_INFO("%s, index=%d, qh_ptr=0x%p\n", __func__, index, qh_ptr);
+ DBG_DEBUG("%s, index=%d, dealbuf=0x%p, len_cnt=0x%x, total_len=0x%x\n",
+ __func__, index, qh_ptr->deal_buf, qh_ptr->deal_cnt, qh_ptr->total_len);
+
+ if (qh_ptr->total_len < qh_ptr->deal_cnt)
+ DBG_ERR("index %d send error, total=0x%x, cnt=0x%x\n",
+ index, qh_ptr->total_len, qh_ptr->deal_cnt);
+ if (qh_ptr->total_len != qh_ptr->deal_cnt) {
+ u32 nowcnt, precnt = qh_ptr->deal_cnt;
+ nowcnt = udc_send_data(index, (u8 *)(qh_ptr->deal_buf+qh_ptr->deal_cnt),
+ qh_ptr->total_len - qh_ptr->deal_cnt,
+ g_usb_ctrl.handler_ptr[index]);
+ if (nowcnt > (qh_ptr->total_len))
+ DBG_ERR("index %d recv error, total=0x%x, cnt=0x%x\n",
+ index, qh_ptr->total_len, qh_ptr->deal_cnt);
+ else if (nowcnt == qh_ptr->total_len)
+ DBG_ALWS("\rreceive 100%\n");
+ else
+ DBG_ALWS("\rreceive %d%", precnt/(qh_ptr->total_len/100));
+ } else {
+ qh_ptr->total_len = 0;
+ if (g_usb_ctrl.handler_ptr[index]) {
+ g_usb_ctrl.handler_ptr[index](qh_ptr->deal_cnt-len,
+ (u8 *)(qh_ptr->deal_buf));
+ }
+ }
+}
+
+static void setup_handler(void)
+{
+ u32 setup[2];
+ udc_get_setup(setup);
+ ep0_parse_setup(setup);
+}
+
+int udc_irq_handler(void)
+{
+ u32 irq_src = readl(USB_USBSTS) & readl(USB_USBINTR);
+ writel(irq_src, USB_USBSTS);
+
+ if (!(readl(USB_OTGSC) & OTGSC_B_SESSION_VALID)) {
+ DBG_ALWS("USB disconnect\n");
+ return -1;
+ }
+
+ if (irq_src == 0)
+ return g_usb_ctrl.configed;
+
+ DBG_DEBUG("\nGet USB irq: 0x%x\n", irq_src);
+
+ if (irq_src & USB_STS_INT) {
+ u32 complete, i;
+ if (readl(USB_ENDPTSETUPSTAT)) {
+ DBG_INFO("recv setup packet\n");
+ if (g_usb_ctrl.handler_ptr)
+ setup_handler();
+ }
+
+ complete = readl(USB_ENDPTCOMPLETE);
+ writel(complete, USB_ENDPTCOMPLETE);
+ if (complete) {
+ DBG_INFO("Dtd complete irq, 0x%x\n", complete);
+ for (i = 0; i < g_usb_ctrl.max_ep; i++) {
+ if (complete & (1<<i))
+ ep_out_handler(i);
+
+ if (complete & (1<<(i+EP0_IN_INDEX)))
+ ep_in_handler(i+EP0_IN_INDEX);
+ }
+ }
+ }
+
+ if (irq_src & USB_STS_RESET) {
+ u32 temp;
+ temp = readl(USB_DEVICEADDR);
+ temp &= ~0xfe000000;
+ writel(temp, USB_DEVICEADDR);
+ writel(readl(USB_ENDPTSETUPSTAT), USB_ENDPTSETUPSTAT);
+ writel(readl(USB_ENDPTCOMPLETE), USB_ENDPTCOMPLETE);
+ while (readl(USB_ENDPTPRIME))
+ ;
+ writel(0xffffffff, USB_ENDPTFLUSH);
+ DBG_DEBUG("USB_RESET, PORTSC = 0x%x\n", readl(USB_PORTSC1));
+ }
+
+ if (irq_src & USB_STS_PORT_CHANGE) {
+ u32 speed;
+ while (readl(USB_PORTSC1) & PORTSCX_PORT_RESET)
+ ;
+ speed = readl(USB_PORTSC1) & PORTSCX_PORT_SPEED_MASK;
+ DBG_DEBUG("USB port changed, speed = 0x%x\n", speed);
+ }
+
+ if (irq_src & USB_STS_SUSPEND)
+ DBG_DEBUG("USB_SUSPEND\n");
+
+ if (irq_src & USB_STS_ERR)
+ DBG_ERR("USB_ERR\n");
+
+ return g_usb_ctrl.configed;
+}
+
+void udc_set_addr(u8 addr)
+{
+ writel((addr << 25) | (1<<24), USB_DEVICEADDR);
+}
+
+void udc_set_configure(u8 config)
+{
+ g_usb_ctrl.configed = config;
+}
+
+void udc_run(void)
+{
+ unsigned int reg;
+ /* Set controller to Run */
+ reg = readl(USB_USBCMD);
+ reg |= USB_CMD_RUN_STOP;
+ writel(reg, USB_USBCMD);
+}
+
+
+void udc_wait_connect(void)
+{
+ unsigned int reg;
+ do {
+ udelay(50);
+ reg = readl(USB_OTGSC);
+ if (reg & (OTGSC_B_SESSION_VALID))
+ break;
+ } while (1);
+}
+
+
+void udc_hal_data_init(void)
+{
+ u32 size, tmp;
+
+ g_usb_ctrl.max_ep = (readl(USB_DCCPARAMS) & DCCPARAMS_DEN_MASK);
+ udc_set_configure(0);
+ size = g_usb_ctrl.max_ep * 2 * sizeof(struct EP_QUEUE_HEAD_T);
+ if (g_usb_ctrl.qh_ptr == NULL)
+ g_usb_ctrl.qh_ptr = malloc_dma_buffer(&tmp, size, USB_MEM_ALIGN_BYTE);
+ if (g_usb_ctrl.qh_ptr == NULL) {
+ DBG_ERR("malloc ep qh error\n");
+ return;
+ }
+ memset(g_usb_ctrl.qh_ptr, 0, size);
+ writel(((u32)(g_usb_ctrl.qh_ptr)) & 0xfffff800, USB_ENDPOINTLISTADDR);
+
+ size = g_usb_ctrl.max_ep * 2
+ * sizeof(struct EP_DTD_ITEM_T) * EP_TQ_ITEM_SIZE;
+ if (g_usb_ctrl.dtd_ptr == NULL)
+ g_usb_ctrl.dtd_ptr = malloc_dma_buffer(&tmp, size, USB_MEM_ALIGN_BYTE);
+ if (g_usb_ctrl.dtd_ptr == NULL) {
+ DBG_ERR("malloc ep dtd error\n");
+ return;
+ }
+ memset(g_usb_ctrl.dtd_ptr, 0, size);
+
+ size = (EP15_IN_INDEX + 1) * sizeof(EP_HANDLER_P);
+ if (g_usb_ctrl.handler_ptr == NULL)
+ g_usb_ctrl.handler_ptr = malloc_dma_buffer(&tmp, size, 4);
+
+ if (g_usb_ctrl.handler_ptr == NULL) {
+ DBG_ERR("malloc ep dtd error\n");
+ return;
+ }
+ memset(g_usb_ctrl.handler_ptr, 0, size);
+
+ DBG_INFO("USB max ep = %d, qh_addr = 0x%p, dtd_addr = 0x%p\n",
+ g_usb_ctrl.max_ep, g_usb_ctrl.qh_ptr, g_usb_ctrl.dtd_ptr);
+
+ udc_qh_dtd_init(EP0_OUT_INDEX);
+ udc_qh_dtd_init(EP0_IN_INDEX);
+
+ udc_qh_setup(EP0_OUT_INDEX, USB_ENDPOINT_XFER_CONTROL,
+ USB_MAX_CTRL_PAYLOAD, 0, 0);
+ udc_qh_setup(EP0_IN_INDEX, USB_ENDPOINT_XFER_CONTROL,
+ USB_MAX_CTRL_PAYLOAD, 0, 0);
+
+ udc_dtd_setup(EP0_OUT_INDEX, USB_ENDPOINT_XFER_CONTROL);
+ udc_dtd_setup(EP0_IN_INDEX, USB_ENDPOINT_XFER_CONTROL);
+}
+
+#endif /* CONFIG_FASTBOOT */