USB:gadget:designware Support high speed

This patch adds the support for usb device high speed for designware peripheral.

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>

drivers/usb/gadget/designware_udc.c

@@ -566,8 +566,13 @@ int udc_init(void)
 	writel(~0x0, &udc_regs_p->dev_int_mask);
 	writel(~0x0, &udc_regs_p->endp_int_mask);
 
+#ifndef CONFIG_USBD_HS
 	writel(DEV_CONF_FS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
 	       DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#else
+	writel(DEV_CONF_HS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
+			DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#endif
 
 	writel(DEV_CNTL_SOFTDISCONNECT, &udc_regs_p->dev_cntl);
 
@@ -577,6 +582,11 @@ int udc_init(void)
 	return 0;
 }
 
+int is_usbd_high_speed(void)
+{
+	return (readl(&udc_regs_p->dev_stat) & DEV_STAT_ENUM) ? 0 : 1;
+}
+
 /*
  * udc_setup_ep - setup endpoint
  * Associate a physical endpoint with endpoint_instance

include/usb/designware_udc.h

@@ -197,6 +197,7 @@ struct udcfifo_regs {
 #define  UDC_INT_PACKET_SIZE		64
 #define  UDC_OUT_ENDPOINT		2
 #define  UDC_BULK_PACKET_SIZE		64
+#define  UDC_BULK_HS_PACKET_SIZE	512
 #define  UDC_IN_ENDPOINT		3
 #define  UDC_OUT_PACKET_SIZE		64
 #define  UDC_IN_PACKET_SIZE		64